Add LPC17xx MAC driver and LWIP demo for LPC1769 LPCXpresso.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6738 35acf78f-673a-0410-8e92-d51de3d6d3f4
master
theshed 2014-03-01 21:28:04 +00:00
parent 3565edd4cd
commit c0aab7fd96
16 changed files with 5037 additions and 14 deletions

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@ -32,6 +32,26 @@ const PALConfig pal_default_config = {
};
#endif
/*
* Board Ethernet pins configuration.
* ENET_REF_CLK pin must be set before macInit().
*/
static void board_eth_pin_config(void) {
/* Ethernet pin config */
LPC_PINCON->PINSEL2 |= (1UL << 30) | (1UL << 28) | (1UL << 20) | (1UL << 18) \
| (1UL << 16) | (1UL << 8) | (1UL << 2) | (1UL << 0); /* Set Ethernet ENET_REF_CLK P1.15, ENET_RX_ER P1.14,
ENET_RXD1 P1.10, ENET_RXD0 P1.9, ENET_CRS P1.8, ENET_TX_EN P1.4,
ENET_TXD1 P1.1, ENET_TXD0 P1.0 pins. */
LPC_PINCON->PINMODE2 |= (2UL << 30) | (2UL << 28) | (2UL << 20) | (2UL << 18) \
| (2UL << 16) | (2UL << 8) | (2UL << 2) | (2UL << 0); /* Disable pull-up on ENET_REF_CLK P1.15, ENET_RX_ER P1.14,
ENET_RXD1 P1.10, ENET_RXD0 P1.9, ENET_CRS P1.8, ENET_TX_EN P1.4,
ENET_TXD1 P1.1, ENET_TXD0 P1.0 pins. */
LPC_PINCON->PINSEL3 |= (1UL << 2) | (1UL << 0); /* Set ENET_MDIO P1.17, ENET_MDC P1.16 */
LPC_PINCON->PINMODE3 |= (2UL << 2) | (2UL << 0); /* Disable pull-up on ENET_MDIO P1.17, ENET_MDC P1.16 */
}
/*
* Early initialization code.
* This initialization must be performed just after stack setup and before
@ -40,6 +60,9 @@ const PALConfig pal_default_config = {
void __early_init(void) {
LPC17xx_clock_init();
#if HAL_USE_MAC
board_eth_pin_config();
#endif
}
/*
@ -50,19 +73,19 @@ void boardInit(void) {
/*
* Extra, board-specific, initializations.
*/
/* UART0 pin config */
LPC_PINCON->PINSEL0 |= (1UL << 4) | (1UL << 6); /* Set UART0 TXD0 P0.2 and RXD0 P0.3 pins.*/
LPC_PINCON->PINMODE0 |= (2UL << 4) | (2UL << 6); /* Disable pull-up on UART0 TXD0 and RXD0 pins.*/
LPC_PINCON->PINSEL3 |= (1UL << 22); /* Set CLKOUT P1.27 pin.*/
LPC_PINCON->PINMODE3 |= (2UL << 22); /* Disable pull-up on CLKOUT pin. */
/* CLKOUT pin config */
/* LPC_PINCON->PINSEL3 |= (1UL << 22); */ /* Set CLKOUT P1.27 pin.*/
/* LPC_PINCON->PINMODE3 |= (2UL << 22); */ /* Disable pull-up on CLKOUT pin. */
/* I2C1 config */
/* I2C1 pin config */
LPC_PINCON->PINSEL1 |= (3UL << 8) | (3UL << 6); /* Set I2C1 SCL1 P0.20, SDA1 P0.19 pins. */
LPC_PINCON->PINMODE1 |= (2UL << 8) | (2UL << 6); /* Disable pull-up on I2C1 SCL1 P0.20, SDA1 P0.19 pins. */
LPC_PINCON->PINMODE_OD0 |= (1UL << 20) | (1UL << 19); /* Set I2C1 SCL1 P0.20, SDA1 P0.19 as open drain pins. */
/* ADC config */
LPC_PINCON->PINMODE1 |= (2UL << 16) | (2UL << 14); /* Disable pull-up on AD0.1 P0.24 and AD0.0 P0.23 pins.*/
LPC_PINCON->PINSEL1 |= (1UL << 16) | (1UL << 14); /* Set AD0.1 P0.24 and AD0.0 P0.23 pins.*/
/* DAC pin config */
/* DAC pin set in dac_lld_start() */
}

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@ -76,7 +76,7 @@
*/
#define GPIO0_LED2_RED 22
#define GPIO2_SW_TO_GND 12
#define GPIO2_PIN12_TO_GND 12
#if !defined(_FROM_ASM_)
#ifdef __cplusplus

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@ -0,0 +1,198 @@
##############################################################################
# Build global options
# NOTE: Can be overridden externally.
#
# Compiler options here.
ifeq ($(USE_OPT),)
USE_OPT = -O2 -ggdb -fomit-frame-pointer
endif
# C specific options here (added to USE_OPT).
ifeq ($(USE_COPT),)
USE_COPT =
endif
# C++ specific options here (added to USE_OPT).
ifeq ($(USE_CPPOPT),)
USE_CPPOPT = -fno-rtti
endif
# Enable this if you want the linker to remove unused code and data
ifeq ($(USE_LINK_GC),)
USE_LINK_GC = yes
endif
# If enabled, this option allows to compile the application in THUMB mode.
ifeq ($(USE_THUMB),)
USE_THUMB = yes
endif
# Enable this if you want to see the full log while compiling.
ifeq ($(USE_VERBOSE_COMPILE),)
USE_VERBOSE_COMPILE = no
endif
#
# Build global options
##############################################################################
##############################################################################
# Architecture or project specific options
#
#
# Architecture or project specific options
##############################################################################
##############################################################################
# Project, sources and paths
#
# Define project name here
PROJECT = ch
# Imported source files and paths
CHIBIOS = ../..
include $(CHIBIOS)/boards/EA_LPCXPRESSO_LPC1769/board.mk
include $(CHIBIOS)/os/hal/platforms/LPC17xx/platform.mk
include $(CHIBIOS)/os/hal/hal.mk
include $(CHIBIOS)/os/ports/GCC/ARMCMx/LPC17xx/port.mk
include $(CHIBIOS)/os/kernel/kernel.mk
include $(CHIBIOS)/os/various/lwip_bindings/lwip.mk
include $(CHIBIOS)/test/test.mk
# Define linker script file here
LDSCRIPT= $(PORTLD)/LPC1769.ld
# C sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
CSRC = $(PORTSRC) \
$(KERNSRC) \
$(TESTSRC) \
$(HALSRC) \
$(PLATFORMSRC) \
$(BOARDSRC) \
$(LWSRC) \
$(CHIBIOS)/os/various/evtimer.c \
web/web.c main.c
# C++ sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
CPPSRC =
# C sources to be compiled in ARM mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
# option that results in lower performance and larger code size.
ACSRC =
# C++ sources to be compiled in ARM mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
# option that results in lower performance and larger code size.
ACPPSRC =
# C sources to be compiled in THUMB mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
# option that results in lower performance and larger code size.
TCSRC =
# C sources to be compiled in THUMB mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
# option that results in lower performance and larger code size.
TCPPSRC =
# List ASM source files here
ASMSRC = $(PORTASM)
INCDIR = $(PORTINC) $(KERNINC) $(TESTINC) \
$(HALINC) $(PLATFORMINC) $(BOARDINC) $(LWINC) \
$(CHIBIOS)/os/various
#
# Project, sources and paths
##############################################################################
##############################################################################
# Compiler settings
#
MCU = cortex-m3
#TRGT = arm-elf-
TRGT = arm-none-eabi-
CC = $(TRGT)gcc
CPPC = $(TRGT)g++
# Enable loading with g++ only if you need C++ runtime support.
# NOTE: You can use C++ even without C++ support if you are careful. C++
# runtime support makes code size explode.
LD = $(TRGT)gcc
#LD = $(TRGT)g++
CP = $(TRGT)objcopy
AS = $(TRGT)gcc -x assembler-with-cpp
OD = $(TRGT)objdump
HEX = $(CP) -O ihex
BIN = $(CP) -O binary
# ARM-specific options here
AOPT =
# THUMB-specific options here
TOPT = -mthumb -DTHUMB
# Define C warning options here
CWARN = -Wall -Wextra -Wstrict-prototypes
# Define C++ warning options here
CPPWARN = -Wall -Wextra
#
# Compiler settings
##############################################################################
##############################################################################
# Start of default section
#
# List all default C defines here, like -D_DEBUG=1
DDEFS = -DLPC17XX -D__NEWLIB__
# List all default ASM defines here, like -D_DEBUG=1
DADEFS =
# List all default directories to look for include files here
DINCDIR =
# List the default directory to look for the libraries here
DLIBDIR =
# List all default libraries here
DLIBS =
#
# End of default section
##############################################################################
##############################################################################
# Start of user section
#
# List all user C define here, like -D_DEBUG=1
UDEFS =
# Define ASM defines here
UADEFS =
# List all user directories here
UINCDIR =
# List the user directory to look for the libraries here
ULIBDIR =
# List all user libraries here
ULIBS =
#
# End of user defines
##############################################################################
include $(CHIBIOS)/os/ports/GCC/ARMCMx/rules.mk

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@ -0,0 +1,531 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file templates/chconf.h
* @brief Configuration file template.
* @details A copy of this file must be placed in each project directory, it
* contains the application specific kernel settings.
*
* @addtogroup config
* @details Kernel related settings and hooks.
* @{
*/
#ifndef _CHCONF_H_
#define _CHCONF_H_
/*===========================================================================*/
/**
* @name Kernel parameters and options
* @{
*/
/*===========================================================================*/
/**
* @brief System tick frequency.
* @details Frequency of the system timer that drives the system ticks. This
* setting also defines the system tick time unit.
*/
#if !defined(CH_FREQUENCY) || defined(__DOXYGEN__)
#define CH_FREQUENCY 1000
#endif
/**
* @brief Round robin interval.
* @details This constant is the number of system ticks allowed for the
* threads before preemption occurs. Setting this value to zero
* disables the preemption for threads with equal priority and the
* round robin becomes cooperative. Note that higher priority
* threads can still preempt, the kernel is always preemptive.
*
* @note Disabling the round robin preemption makes the kernel more compact
* and generally faster.
*/
#if !defined(CH_TIME_QUANTUM) || defined(__DOXYGEN__)
#define CH_TIME_QUANTUM 20
#endif
/**
* @brief Managed RAM size.
* @details Size of the RAM area to be managed by the OS. If set to zero
* then the whole available RAM is used. The core memory is made
* available to the heap allocator and/or can be used directly through
* the simplified core memory allocator.
*
* @note In order to let the OS manage the whole RAM the linker script must
* provide the @p __heap_base__ and @p __heap_end__ symbols.
* @note Requires @p CH_USE_MEMCORE.
*/
#if !defined(CH_MEMCORE_SIZE) || defined(__DOXYGEN__)
#define CH_MEMCORE_SIZE 0
#endif
/**
* @brief Idle thread automatic spawn suppression.
* @details When this option is activated the function @p chSysInit()
* does not spawn the idle thread automatically. The application has
* then the responsibility to do one of the following:
* - Spawn a custom idle thread at priority @p IDLEPRIO.
* - Change the main() thread priority to @p IDLEPRIO then enter
* an endless loop. In this scenario the @p main() thread acts as
* the idle thread.
* .
* @note Unless an idle thread is spawned the @p main() thread must not
* enter a sleep state.
*/
#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
#define CH_NO_IDLE_THREAD FALSE
#endif
/** @} */
/*===========================================================================*/
/**
* @name Performance options
* @{
*/
/*===========================================================================*/
/**
* @brief OS optimization.
* @details If enabled then time efficient rather than space efficient code
* is used when two possible implementations exist.
*
* @note This is not related to the compiler optimization options.
* @note The default is @p TRUE.
*/
#if !defined(CH_OPTIMIZE_SPEED) || defined(__DOXYGEN__)
#define CH_OPTIMIZE_SPEED TRUE
#endif
/** @} */
/*===========================================================================*/
/**
* @name Subsystem options
* @{
*/
/*===========================================================================*/
/**
* @brief Threads registry APIs.
* @details If enabled then the registry APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_REGISTRY) || defined(__DOXYGEN__)
#define CH_USE_REGISTRY TRUE
#endif
/**
* @brief Threads synchronization APIs.
* @details If enabled then the @p chThdWait() function is included in
* the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_WAITEXIT) || defined(__DOXYGEN__)
#define CH_USE_WAITEXIT TRUE
#endif
/**
* @brief Semaphores APIs.
* @details If enabled then the Semaphores APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_SEMAPHORES) || defined(__DOXYGEN__)
#define CH_USE_SEMAPHORES TRUE
#endif
/**
* @brief Semaphores queuing mode.
* @details If enabled then the threads are enqueued on semaphores by
* priority rather than in FIFO order.
*
* @note The default is @p FALSE. Enable this if you have special requirements.
* @note Requires @p CH_USE_SEMAPHORES.
*/
#if !defined(CH_USE_SEMAPHORES_PRIORITY) || defined(__DOXYGEN__)
#define CH_USE_SEMAPHORES_PRIORITY FALSE
#endif
/**
* @brief Atomic semaphore API.
* @details If enabled then the semaphores the @p chSemSignalWait() API
* is included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_USE_SEMAPHORES.
*/
#if !defined(CH_USE_SEMSW) || defined(__DOXYGEN__)
#define CH_USE_SEMSW TRUE
#endif
/**
* @brief Mutexes APIs.
* @details If enabled then the mutexes APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_MUTEXES) || defined(__DOXYGEN__)
#define CH_USE_MUTEXES TRUE
#endif
/**
* @brief Conditional Variables APIs.
* @details If enabled then the conditional variables APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_USE_MUTEXES.
*/
#if !defined(CH_USE_CONDVARS) || defined(__DOXYGEN__)
#define CH_USE_CONDVARS TRUE
#endif
/**
* @brief Conditional Variables APIs with timeout.
* @details If enabled then the conditional variables APIs with timeout
* specification are included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_USE_CONDVARS.
*/
#if !defined(CH_USE_CONDVARS_TIMEOUT) || defined(__DOXYGEN__)
#define CH_USE_CONDVARS_TIMEOUT TRUE
#endif
/**
* @brief Events Flags APIs.
* @details If enabled then the event flags APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_EVENTS) || defined(__DOXYGEN__)
#define CH_USE_EVENTS TRUE
#endif
/**
* @brief Events Flags APIs with timeout.
* @details If enabled then the events APIs with timeout specification
* are included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_USE_EVENTS.
*/
#if !defined(CH_USE_EVENTS_TIMEOUT) || defined(__DOXYGEN__)
#define CH_USE_EVENTS_TIMEOUT TRUE
#endif
/**
* @brief Synchronous Messages APIs.
* @details If enabled then the synchronous messages APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_MESSAGES) || defined(__DOXYGEN__)
#define CH_USE_MESSAGES TRUE
#endif
/**
* @brief Synchronous Messages queuing mode.
* @details If enabled then messages are served by priority rather than in
* FIFO order.
*
* @note The default is @p FALSE. Enable this if you have special requirements.
* @note Requires @p CH_USE_MESSAGES.
*/
#if !defined(CH_USE_MESSAGES_PRIORITY) || defined(__DOXYGEN__)
#define CH_USE_MESSAGES_PRIORITY FALSE
#endif
/**
* @brief Mailboxes APIs.
* @details If enabled then the asynchronous messages (mailboxes) APIs are
* included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_USE_SEMAPHORES.
*/
#if !defined(CH_USE_MAILBOXES) || defined(__DOXYGEN__)
#define CH_USE_MAILBOXES TRUE
#endif
/**
* @brief I/O Queues APIs.
* @details If enabled then the I/O queues APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_QUEUES) || defined(__DOXYGEN__)
#define CH_USE_QUEUES TRUE
#endif
/**
* @brief Core Memory Manager APIs.
* @details If enabled then the core memory manager APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_MEMCORE) || defined(__DOXYGEN__)
#define CH_USE_MEMCORE TRUE
#endif
/**
* @brief Heap Allocator APIs.
* @details If enabled then the memory heap allocator APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_USE_MEMCORE and either @p CH_USE_MUTEXES or
* @p CH_USE_SEMAPHORES.
* @note Mutexes are recommended.
*/
#if !defined(CH_USE_HEAP) || defined(__DOXYGEN__)
#define CH_USE_HEAP TRUE
#endif
/**
* @brief C-runtime allocator.
* @details If enabled the the heap allocator APIs just wrap the C-runtime
* @p malloc() and @p free() functions.
*
* @note The default is @p FALSE.
* @note Requires @p CH_USE_HEAP.
* @note The C-runtime may or may not require @p CH_USE_MEMCORE, see the
* appropriate documentation.
*/
#if !defined(CH_USE_MALLOC_HEAP) || defined(__DOXYGEN__)
#define CH_USE_MALLOC_HEAP FALSE
#endif
/**
* @brief Memory Pools Allocator APIs.
* @details If enabled then the memory pools allocator APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
#if !defined(CH_USE_MEMPOOLS) || defined(__DOXYGEN__)
#define CH_USE_MEMPOOLS TRUE
#endif
/**
* @brief Dynamic Threads APIs.
* @details If enabled then the dynamic threads creation APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_USE_WAITEXIT.
* @note Requires @p CH_USE_HEAP and/or @p CH_USE_MEMPOOLS.
*/
#if !defined(CH_USE_DYNAMIC) || defined(__DOXYGEN__)
#define CH_USE_DYNAMIC TRUE
#endif
/** @} */
/*===========================================================================*/
/**
* @name Debug options
* @{
*/
/*===========================================================================*/
/**
* @brief Debug option, system state check.
* @details If enabled the correct call protocol for system APIs is checked
* at runtime.
*
* @note The default is @p FALSE.
*/
#if !defined(CH_DBG_SYSTEM_STATE_CHECK) || defined(__DOXYGEN__)
#define CH_DBG_SYSTEM_STATE_CHECK FALSE
#endif
/**
* @brief Debug option, parameters checks.
* @details If enabled then the checks on the API functions input
* parameters are activated.
*
* @note The default is @p FALSE.
*/
#if !defined(CH_DBG_ENABLE_CHECKS) || defined(__DOXYGEN__)
#define CH_DBG_ENABLE_CHECKS FALSE
#endif
/**
* @brief Debug option, consistency checks.
* @details If enabled then all the assertions in the kernel code are
* activated. This includes consistency checks inside the kernel,
* runtime anomalies and port-defined checks.
*
* @note The default is @p FALSE.
*/
#if !defined(CH_DBG_ENABLE_ASSERTS) || defined(__DOXYGEN__)
#define CH_DBG_ENABLE_ASSERTS FALSE
#endif
/**
* @brief Debug option, trace buffer.
* @details If enabled then the context switch circular trace buffer is
* activated.
*
* @note The default is @p FALSE.
*/
#if !defined(CH_DBG_ENABLE_TRACE) || defined(__DOXYGEN__)
#define CH_DBG_ENABLE_TRACE FALSE
#endif
/**
* @brief Debug option, stack checks.
* @details If enabled then a runtime stack check is performed.
*
* @note The default is @p FALSE.
* @note The stack check is performed in a architecture/port dependent way.
* It may not be implemented or some ports.
* @note The default failure mode is to halt the system with the global
* @p panic_msg variable set to @p NULL.
*/
#if !defined(CH_DBG_ENABLE_STACK_CHECK) || defined(__DOXYGEN__)
#define CH_DBG_ENABLE_STACK_CHECK FALSE
#endif
/**
* @brief Debug option, stacks initialization.
* @details If enabled then the threads working area is filled with a byte
* value when a thread is created. This can be useful for the
* runtime measurement of the used stack.
*
* @note The default is @p FALSE.
*/
#if !defined(CH_DBG_FILL_THREADS) || defined(__DOXYGEN__)
#define CH_DBG_FILL_THREADS FALSE
#endif
/**
* @brief Debug option, threads profiling.
* @details If enabled then a field is added to the @p Thread structure that
* counts the system ticks occurred while executing the thread.
*
* @note The default is @p TRUE.
* @note This debug option is defaulted to TRUE because it is required by
* some test cases into the test suite.
*/
#if !defined(CH_DBG_THREADS_PROFILING) || defined(__DOXYGEN__)
#define CH_DBG_THREADS_PROFILING TRUE
#endif
/** @} */
/*===========================================================================*/
/**
* @name Kernel hooks
* @{
*/
/*===========================================================================*/
/**
* @brief Threads descriptor structure extension.
* @details User fields added to the end of the @p Thread structure.
*/
#if !defined(THREAD_EXT_FIELDS) || defined(__DOXYGEN__)
#define THREAD_EXT_FIELDS \
/* Add threads custom fields here.*/
#endif
/**
* @brief Threads initialization hook.
* @details User initialization code added to the @p chThdInit() API.
*
* @note It is invoked from within @p chThdInit() and implicitly from all
* the threads creation APIs.
*/
#if !defined(THREAD_EXT_INIT_HOOK) || defined(__DOXYGEN__)
#define THREAD_EXT_INIT_HOOK(tp) { \
/* Add threads initialization code here.*/ \
}
#endif
/**
* @brief Threads finalization hook.
* @details User finalization code added to the @p chThdExit() API.
*
* @note It is inserted into lock zone.
* @note It is also invoked when the threads simply return in order to
* terminate.
*/
#if !defined(THREAD_EXT_EXIT_HOOK) || defined(__DOXYGEN__)
#define THREAD_EXT_EXIT_HOOK(tp) { \
/* Add threads finalization code here.*/ \
}
#endif
/**
* @brief Context switch hook.
* @details This hook is invoked just before switching between threads.
*/
#if !defined(THREAD_CONTEXT_SWITCH_HOOK) || defined(__DOXYGEN__)
#define THREAD_CONTEXT_SWITCH_HOOK(ntp, otp) { \
/* System halt code here.*/ \
}
#endif
/**
* @brief Idle Loop hook.
* @details This hook is continuously invoked by the idle thread loop.
*/
#if !defined(IDLE_LOOP_HOOK) || defined(__DOXYGEN__)
#define IDLE_LOOP_HOOK() { \
/* Idle loop code here.*/ \
}
#endif
/**
* @brief System tick event hook.
* @details This hook is invoked in the system tick handler immediately
* after processing the virtual timers queue.
*/
#if !defined(SYSTEM_TICK_EVENT_HOOK) || defined(__DOXYGEN__)
#define SYSTEM_TICK_EVENT_HOOK() { \
/* System tick event code here.*/ \
}
#endif
/**
* @brief System halt hook.
* @details This hook is invoked in case to a system halting error before
* the system is halted.
*/
#if !defined(SYSTEM_HALT_HOOK) || defined(__DOXYGEN__)
#define SYSTEM_HALT_HOOK() { \
/* System halt code here.*/ \
}
#endif
/** @} */
/*===========================================================================*/
/* Port-specific settings (override port settings defaulted in chcore.h). */
/*===========================================================================*/
#endif /* _CHCONF_H_ */
/** @} */

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@ -0,0 +1,312 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file templates/halconf.h
* @brief HAL configuration header.
* @details HAL configuration file, this file allows to enable or disable the
* various device drivers from your application. You may also use
* this file in order to override the device drivers default settings.
*
* @addtogroup HAL_CONF
* @{
*/
#ifndef _HALCONF_H_
#define _HALCONF_H_
#include "mcuconf.h"
/**
* @brief Enables the TM subsystem.
*/
#if !defined(HAL_USE_TM) || defined(__DOXYGEN__)
#define HAL_USE_TM TRUE
#endif
/**
* @brief Enables the PAL subsystem.
*/
#if !defined(HAL_USE_PAL) || defined(__DOXYGEN__)
#define HAL_USE_PAL TRUE
#endif
/**
* @brief Enables the ADC subsystem.
*/
#if !defined(HAL_USE_ADC) || defined(__DOXYGEN__)
#define HAL_USE_ADC FALSE
#endif
/**
* @brief Enables the CAN subsystem.
*/
#if !defined(HAL_USE_CAN) || defined(__DOXYGEN__)
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the EXT subsystem.
*/
#if !defined(HAL_USE_EXT) || defined(__DOXYGEN__)
#define HAL_USE_EXT FALSE
#endif
/**
* @brief Enables the GPT subsystem.
*/
#if !defined(HAL_USE_GPT) || defined(__DOXYGEN__)
#define HAL_USE_GPT FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the ICU subsystem.
*/
#if !defined(HAL_USE_ICU) || defined(__DOXYGEN__)
#define HAL_USE_ICU FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/
#if !defined(HAL_USE_MAC) || defined(__DOXYGEN__)
#define HAL_USE_MAC TRUE
#endif
/**
* @brief Enables the MMC_SPI subsystem.
*/
#if !defined(HAL_USE_MMC_SPI) || defined(__DOXYGEN__)
#define HAL_USE_MMC_SPI FALSE
#endif
/**
* @brief Enables the PWM subsystem.
*/
#if !defined(HAL_USE_PWM) || defined(__DOXYGEN__)
#define HAL_USE_PWM FALSE
#endif
/**
* @brief Enables the RTC subsystem.
*/
#if !defined(HAL_USE_RTC) || defined(__DOXYGEN__)
#define HAL_USE_RTC FALSE
#endif
/**
* @brief Enables the SDC subsystem.
*/
#if !defined(HAL_USE_SDC) || defined(__DOXYGEN__)
#define HAL_USE_SDC FALSE
#endif
/**
* @brief Enables the SERIAL subsystem.
*/
#if !defined(HAL_USE_SERIAL) || defined(__DOXYGEN__)
#define HAL_USE_SERIAL TRUE
#endif
/**
* @brief Enables the SERIAL over USB subsystem.
*/
#if !defined(HAL_USE_SERIAL_USB) || defined(__DOXYGEN__)
#define HAL_USE_SERIAL_USB FALSE
#endif
/**
* @brief Enables the SPI subsystem.
*/
#if !defined(HAL_USE_SPI) || defined(__DOXYGEN__)
#define HAL_USE_SPI FALSE
#endif
/**
* @brief Enables the UART subsystem.
*/
#if !defined(HAL_USE_UART) || defined(__DOXYGEN__)
#define HAL_USE_UART FALSE
#endif
/**
* @brief Enables the USB subsystem.
*/
#if !defined(HAL_USE_USB) || defined(__DOXYGEN__)
#define HAL_USE_USB FALSE
#endif
/*===========================================================================*/
/* ADC driver related settings. */
/*===========================================================================*/
/**
* @brief Enables synchronous APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(ADC_USE_WAIT) || defined(__DOXYGEN__)
#define ADC_USE_WAIT TRUE
#endif
/**
* @brief Enables the @p adcAcquireBus() and @p adcReleaseBus() APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(ADC_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define ADC_USE_MUTUAL_EXCLUSION TRUE
#endif
/*===========================================================================*/
/* CAN driver related settings. */
/*===========================================================================*/
/**
* @brief Sleep mode related APIs inclusion switch.
*/
#if !defined(CAN_USE_SLEEP_MODE) || defined(__DOXYGEN__)
#define CAN_USE_SLEEP_MODE TRUE
#endif
/*===========================================================================*/
/* I2C driver related settings. */
/*===========================================================================*/
/**
* @brief Enables the mutual exclusion APIs on the I2C bus.
*/
#if !defined(I2C_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define I2C_USE_MUTUAL_EXCLUSION TRUE
#endif
/*===========================================================================*/
/* MAC driver related settings. */
/*===========================================================================*/
/**
* @brief Enables an event sources for incoming packets.
*/
#if !defined(MAC_USE_ZERO_COPY) || defined(__DOXYGEN__)
#define MAC_USE_ZERO_COPY FALSE
#endif
/**
* @brief Enables an event sources for incoming packets.
*/
#if !defined(MAC_USE_EVENTS) || defined(__DOXYGEN__)
#define MAC_USE_EVENTS TRUE
#endif
/*===========================================================================*/
/* MMC_SPI driver related settings. */
/*===========================================================================*/
/**
* @brief Delays insertions.
* @details If enabled this options inserts delays into the MMC waiting
* routines releasing some extra CPU time for the threads with
* lower priority, this may slow down the driver a bit however.
* This option is recommended also if the SPI driver does not
* use a DMA channel and heavily loads the CPU.
*/
#if !defined(MMC_NICE_WAITING) || defined(__DOXYGEN__)
#define MMC_NICE_WAITING TRUE
#endif
/*===========================================================================*/
/* SDC driver related settings. */
/*===========================================================================*/
/**
* @brief Number of initialization attempts before rejecting the card.
* @note Attempts are performed at 10mS intervals.
*/
#if !defined(SDC_INIT_RETRY) || defined(__DOXYGEN__)
#define SDC_INIT_RETRY 100
#endif
/**
* @brief Include support for MMC cards.
* @note MMC support is not yet implemented so this option must be kept
* at @p FALSE.
*/
#if !defined(SDC_MMC_SUPPORT) || defined(__DOXYGEN__)
#define SDC_MMC_SUPPORT FALSE
#endif
/**
* @brief Delays insertions.
* @details If enabled this options inserts delays into the MMC waiting
* routines releasing some extra CPU time for the threads with
* lower priority, this may slow down the driver a bit however.
*/
#if !defined(SDC_NICE_WAITING) || defined(__DOXYGEN__)
#define SDC_NICE_WAITING TRUE
#endif
/*===========================================================================*/
/* SERIAL driver related settings. */
/*===========================================================================*/
/**
* @brief Default bit rate.
* @details Configuration parameter, this is the baud rate selected for the
* default configuration.
*/
#if !defined(SERIAL_DEFAULT_BITRATE) || defined(__DOXYGEN__)
#define SERIAL_DEFAULT_BITRATE 38400
#endif
/**
* @brief Serial buffers size.
* @details Configuration parameter, you can change the depth of the queue
* buffers depending on the requirements of your application.
* @note The default is 64 bytes for both the transmission and receive
* buffers.
*/
#if !defined(SERIAL_BUFFERS_SIZE) || defined(__DOXYGEN__)
#define SERIAL_BUFFERS_SIZE 16
#endif
/*===========================================================================*/
/* SPI driver related settings. */
/*===========================================================================*/
/**
* @brief Enables synchronous APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(SPI_USE_WAIT) || defined(__DOXYGEN__)
#define SPI_USE_WAIT TRUE
#endif
/**
* @brief Enables the @p spiAcquireBus() and @p spiReleaseBus() APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(SPI_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define SPI_USE_MUTUAL_EXCLUSION TRUE
#endif
#endif /* _HALCONF_H_ */
/** @} */

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@ -0,0 +1,87 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "ch.h"
#include "hal.h"
#include "test.h"
#include "lwipthread.h"
#include "web/web.h"
/*
* Green LED blinker thread, times are in milliseconds.
*/
static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {
(void)arg;
chRegSetThreadName("blinker");
while (TRUE) {
palClearPad(GPIO0, GPIO0_LED2_RED);
chThdSleepMilliseconds(500);
palSetPad(GPIO0, GPIO0_LED2_RED);
chThdSleepMilliseconds(500);
}
}
/*
* Application entry point.
*/
int main(void) {
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
chSysInit();
/*
* Activates the serial driver 6 using the driver default configuration.
*/
sdStart(&SD1, NULL);
/*
* Creates the blinker thread.
*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
/*
* Creates the LWIP threads (it changes priority internally).
*/
chThdCreateStatic(wa_lwip_thread, LWIP_THREAD_STACK_SIZE, NORMALPRIO + 1,
lwip_thread, NULL);
/*
* Creates the HTTP thread (it changes priority internally).
*/
chThdCreateStatic(wa_http_server, sizeof(wa_http_server), NORMALPRIO + 1,
http_server, NULL);
/*
* Normal main() thread activity, in this demo it does nothing except
* sleeping in a loop and check the button state.
*/
while (TRUE) {
if (palReadPad(GPIO2, GPIO2_PIN12_TO_GND) == 0)
TestThread(&SD1);
chThdSleepMilliseconds(500);
}
}

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@ -0,0 +1,110 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
* LPC17xx drivers configuration.
* The following settings override the default settings present in
* the various device driver implementation headers.
* Note that the settings for each driver only have effect if the driver
* is enabled in halconf.h.
*
* IRQ priorities:
* 7...0 Lowest...highest.
*/
/*
* HAL driver system settings.
*/
#define LPC17xx_MAINOSC_ENABLE TRUE
#define LPC17xx_SYSCLK_SELECT CLKSRCSEL_MAINOSC
#define LPC17xx_MAINPLL_ENABLE TRUE
#define LPC17xx_MAINPLL_MUL 30
#define LPC17xx_MAINPLL_PREDIV 1
#define LPC17xx_USBPLL_ENABLE FALSE
#define LPC17xx_USBPLL_MUL 4
#define LPC17xx_USBPLL_DIV 4
#define LPC17xx_CCLK_DIV 3
#define LPC17xx_PCLK_SELECT PCLKSEL_CCLK
#define LPC17xx_CLKOUT_ENABLE FALSE
#define LPC17xx_CLKOUT_DIV 4
#define LPC17xx_CLKOUT_SELECT CLKOUTSEL_CCLK
/*
* GPT driver system settings.
*/
#define LPC17xx_GPT_USE_TIM0 TRUE
#define LPC17xx_GPT_USE_TIM1 TRUE
#define LPC17xx_GPT_USE_TIM2 TRUE
#define LPC17xx_GPT_USE_TIM3 TRUE
#define LPC17xx_GPT_TIM0_IRQ_PRIORITY 2
#define LPC17xx_GPT_TIM1_IRQ_PRIORITY 6
#define LPC17xx_GPT_TIM2_IRQ_PRIORITY 2
#define LPC17xx_GPT_TIM3_IRQ_PRIORITY 2
/*
* SERIAL driver system settings.
*/
#define LPC17xx_SERIAL_USE_UART0 TRUE
#define LPC17xx_SERIAL_USE_UART1 FALSE
#define LPC17xx_SERIAL_USE_UART2 FALSE
#define LPC17xx_SERIAL_USE_UART3 FALSE
#define LPC17xx_SERIAL_FIFO_PRELOAD 16
#define LPC17xx_SERIAL_UART0_IRQ_PRIORITY 3
#define LPC17xx_SERIAL_UART1_IRQ_PRIORITY 3
#define LPC17xx_SERIAL_UART2_IRQ_PRIORITY 3
#define LPC17xx_SERIAL_UART3_IRQ_PRIORITY 3
/*
* I2C driver system settings.
*/
#define LPC17xx_I2C_USE_I2C0 FALSE
#define LPC17xx_I2C_USE_I2C1 FALSE
#define LPC17xx_I2C_USE_I2C2 FALSE
#define LPC17xx_I2C_I2C0_IRQ_PRIORITY 3
#define LPC17xx_I2C_I2C1_IRQ_PRIORITY 3
#define LPC17xx_I2C_I2C2_IRQ_PRIORITY 3
/*
* SPI driver system settings.
*/
#define LPC17xx_SPI_USE_SSP0 TRUE
#define LPC17xx_SPI_USE_SSP1 FALSE
#define LPC17xx_SPI_SSP0CLKDIV 1
#define LPC17xx_SPI_SSP1CLKDIV 1
#define LPC17xx_SPI_SSP0_IRQ_PRIORITY 5
#define LPC17xx_SPI_SSP1_IRQ_PRIORITY 5
/*
* RTC driver system settings.
*/
#define LPC17xx_RTC_IS_CALENDAR TRUE
#define LPC17xx_RTC_USE_ALARM TRUE
#define LPC17xx_RTC_IRQ_PRIORITY 3
/*
* DAC driver system settings.
*/
#define LPC17xx_DAC_DMA_CHANNEL DMA_CHANNEL5
/*
* MAC driver system settings.
*/
#define LPC17xx_MAC_TRANSMIT_BUFFERS 2
#define LPC17xx_MAC_RECEIVE_BUFFERS 4
#define LPC17xx_MAC_BUFFERS_SIZE 1522
#define LPC17xx_MAC_PHY_TIMEOUT 100
#define LPC17xx_MAC_ETH_IRQ_PRIORITY 13
#define LPC17xx_MAC_RESET_DELAY 100

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@ -0,0 +1,121 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
* This file is a modified version of the lwIP web server demo. The original
* author is unknown because the file didn't contain any license information.
*/
/**
* @file web.c
* @brief HTTP server wrapper thread code.
* @addtogroup WEB_THREAD
* @{
*/
#include "ch.h"
#include "lwip/opt.h"
#include "lwip/arch.h"
#include "lwip/api.h"
#include "web.h"
#if LWIP_NETCONN
static const char http_html_hdr[] = "HTTP/1.1 200 OK\r\nContent-type: text/html\r\n\r\n";
static const char http_index_html[] = "<html><head><title>Congrats!</title></head><body><h1>Welcome to our lwIP HTTP server!</h1><p>This is a small test page.</body></html>";
static void http_server_serve(struct netconn *conn) {
struct netbuf *inbuf;
char *buf;
u16_t buflen;
err_t err;
/* Read the data from the port, blocking if nothing yet there.
We assume the request (the part we care about) is in one netbuf */
err = netconn_recv(conn, &inbuf);
if (err == ERR_OK) {
netbuf_data(inbuf, (void **)&buf, &buflen);
/* Is this an HTTP GET command? (only check the first 5 chars, since
there are other formats for GET, and we're keeping it very simple )*/
if (buflen>=5 &&
buf[0]=='G' &&
buf[1]=='E' &&
buf[2]=='T' &&
buf[3]==' ' &&
buf[4]=='/' ) {
/* Send the HTML header
* subtract 1 from the size, since we dont send the \0 in the string
* NETCONN_NOCOPY: our data is const static, so no need to copy it
*/
netconn_write(conn, http_html_hdr, sizeof(http_html_hdr)-1, NETCONN_NOCOPY);
/* Send our HTML page */
netconn_write(conn, http_index_html, sizeof(http_index_html)-1, NETCONN_NOCOPY);
}
}
/* Close the connection (server closes in HTTP) */
netconn_close(conn);
/* Delete the buffer (netconn_recv gives us ownership,
so we have to make sure to deallocate the buffer) */
netbuf_delete(inbuf);
}
/**
* Stack area for the http thread.
*/
WORKING_AREA(wa_http_server, WEB_THREAD_STACK_SIZE);
/**
* HTTP server thread.
*/
msg_t http_server(void *p) {
struct netconn *conn, *newconn;
err_t err;
(void)p;
/* Create a new TCP connection handle */
conn = netconn_new(NETCONN_TCP);
LWIP_ERROR("http_server: invalid conn", (conn != NULL), return RDY_RESET;);
/* Bind to port 80 (HTTP) with default IP address */
netconn_bind(conn, NULL, WEB_THREAD_PORT);
/* Put the connection into LISTEN state */
netconn_listen(conn);
/* Goes to the final priority after initialization.*/
chThdSetPriority(WEB_THREAD_PRIORITY);
while(1) {
err = netconn_accept(conn, &newconn);
if (err != ERR_OK)
continue;
http_server_serve(newconn);
netconn_delete(newconn);
}
return RDY_OK;
}
#endif /* LWIP_NETCONN */
/** @} */

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@ -0,0 +1,51 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file web.h
* @brief HTTP server wrapper thread macros and structures.
* @addtogroup WEB_THREAD
* @{
*/
#ifndef _WEB_H_
#define _WEB_H_
#ifndef WEB_THREAD_STACK_SIZE
#define WEB_THREAD_STACK_SIZE 1024
#endif
#ifndef WEB_THREAD_PORT
#define WEB_THREAD_PORT 80
#endif
#ifndef WEB_THREAD_PRIORITY
#define WEB_THREAD_PRIORITY (LOWPRIO + 2)
#endif
extern WORKING_AREA(wa_http_server, WEB_THREAD_STACK_SIZE);
#ifdef __cplusplus
extern "C" {
#endif
msg_t http_server(void *p);
#ifdef __cplusplus
}
#endif
#endif /* _WEB_H_ */
/** @} */

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@ -65,9 +65,8 @@ int main(void) {
*/
while (TRUE) {
if (!palReadPad(GPIO2, GPIO2_SW_TO_GND))
if (!palReadPad(GPIO2, GPIO2_PIN12_TO_GND))
TestThread(&SD1);
}
chThdSleepMilliseconds(100);
}

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@ -0,0 +1,784 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
This file has been contributed by:
Marcin Jokel.
*/
/**
* @file LPC17xx/mac_lld.c
* @brief LPC17xx low level MAC driver code.
*
* @addtogroup MAC
* @{
*/
#include <string.h>
#include "ch.h"
#include "hal.h"
#include "mii.h"
#if HAL_USE_MAC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#define BUFFER_SIZE ((((LPC17xx_MAC_BUFFERS_SIZE - 1) | 3) + 1) / 4)
/* MII divider optimal value.*/
#if (LPC17xx_CCLK <= 50000000)
#define MAC_MII_MCFG_CLK_SEL EMAC_MCFG_CLK_DIV_20
#elif (LPC17xx_CCLK <= 70000000)
#define MAC_MII_MCFG_CLK_SEL EMAC_MCFG_CLK_DIV_28
#elif (LPC17xx_CCLK <= 80000000)
#define MAC_MII_MCFG_CLK_SEL EMAC_MCFG_CLK_DIV_36
#elif (LPC17xx_CCLK <= 90000000)
#define MAC_MII_MCFG_CLK_SEL EMAC_MCFG_CLK_DIV_40
#elif (LPC17xx_CCLK <= 100000000)
#define MAC_MII_MCFG_CLK_SEL EMAC_MCFG_CLK_DIV_44
#elif (LPC17xx_CCLK <= 120000000)
#define MAC_MII_MCFG_CLK_SEL EMAC_MCFG_CLK_DIV_48
#else
#error "LPC17xx_CCLK over maximum frequency for ETH operations (120MHz)"
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief Ethernet driver 1.
*/
MACDriver ETHD1;
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
static const uint8_t default_mac_address[] = {0xAA, 0x55, 0x13,
0x37, 0x01, 0x10};
static lpc17xx_eth_rx_descriptor_t rd[LPC17xx_MAC_RECEIVE_BUFFERS]
__attribute__((aligned(4))) __attribute__((section(".eth_ram")));
static lpc17xx_eth_tx_descriptor_t td[LPC17xx_MAC_TRANSMIT_BUFFERS]
__attribute__((aligned(4))) __attribute__((section(".eth_ram")));
static lpc17xx_eth_tx_descriptor_t td_tmp[LPC17xx_MAC_TRANSMIT_BUFFERS]
__attribute__((aligned(4))) __attribute__((section(".eth_ram")));
static lpc17xx_eth_rx_status_t rd_stat[LPC17xx_MAC_RECEIVE_BUFFERS]
__attribute__((aligned(8))) __attribute__((section(".eth_ram")));
static lpc17xx_eth_tx_status_t td_stat[LPC17xx_MAC_TRANSMIT_BUFFERS]
__attribute__((aligned(4))) __attribute__((section(".eth_ram")));
static uint32_t rb[LPC17xx_MAC_RECEIVE_BUFFERS][BUFFER_SIZE]
__attribute__((aligned(4))) __attribute__((section(".eth_ram")));
static uint32_t tb[LPC17xx_MAC_TRANSMIT_BUFFERS][BUFFER_SIZE]
__attribute__((aligned(4))) __attribute__((section(".eth_ram")));
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/**
* @brief Writes a PHY register.
*
* @param[in] macp pointer to the @p MACDriver object
* @param[in] reg register number
* @param[in] value new register value
*/
void mii_write(MACDriver *macp, uint32_t reg, uint32_t value) {
LPC_EMAC->MCMD = 0;
LPC_EMAC->MADR = macp->phyaddr | reg; /* Write PHY address and register address */
LPC_EMAC->MWTD = value; /* Write data */
while((LPC_EMAC->MIND & EMAC_MIND_BUSY) != 0)
; /* Wait for busy bit to be cleared in MIND */
}
/**
* @brief Reads a PHY register.
*
* @param[in] macp pointer to the @p MACDriver object
* @param[in] reg register number
*
* @return The PHY register content.
*/
uint32_t mii_read(MACDriver *macp, uint32_t reg) {
LPC_EMAC->MCMD = 1;
LPC_EMAC->MADR = macp->phyaddr | reg; /* Write PHY address and register address */
while((LPC_EMAC->MIND & EMAC_MIND_BUSY) != 0)
; /* Wait for busy bit to be cleared in MIND */
LPC_EMAC->MCMD = 0;
return LPC_EMAC->MRDD;
}
#if !defined(BOARD_PHY_ADDRESS)
/**
* @brief PHY address detection.
*
* @param[in] macp pointer to the @p MACDriver object
*/
void mii_find_phy(MACDriver *macp) {
uint32_t i;
#if LPC17xx_MAC_PHY_TIMEOUT > 0
halrtcnt_t start = halGetCounterValue();
halrtcnt_t timeout = start + MS2RTT(LPC17xx_MAC_PHY_TIMEOUT);
while (halIsCounterWithin(start, timeout)) {
#endif
for (i = 0; i < 31; i++) {
macp->phyaddr = i << 8;
if ((mii_read(macp, MII_PHYSID1) == (BOARD_PHY_ID >> 16)) &&
((mii_read(macp, MII_PHYSID2) & 0xFFF0) == (BOARD_PHY_ID & 0xFFF0))) {
return;
}
}
#if LPC17xx_MAC_PHY_TIMEOUT > 0
}
#endif
/* Wrong or defective board.*/
chSysHalt();
}
#endif
/**
* @brief MAC address setup.
*
* @param[in] p pointer to a six bytes buffer containing the MAC
* address
*/
static void mac_lld_set_address(const uint8_t *p) {
/* MAC address configuration, only a single address comparator is used,
hash table not used.*/
LPC_EMAC->SA0 = ((uint32_t)p[5] << 8) |
((uint32_t)p[4] << 0);
LPC_EMAC->SA1 = ((uint32_t)p[3] << 8) |
((uint32_t)p[2] << 0);
LPC_EMAC->SA2 = ((uint32_t)p[1] << 8) |
((uint32_t)p[0] << 0);
LPC_EMAC->HashFilterL = 0;
LPC_EMAC->HashFilterH = 0;
LPC_EMAC->RxFilterCtrl = EMAC_RXFILCTRL_PERFECT_EN | EMAC_RXFILCTRL_BROADCAST_EN;
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
CH_IRQ_HANDLER(VectorB0) {
uint32_t intstatus;
uint32_t consume_index;
uint32_t txdescn;
CH_IRQ_PROLOGUE();
intstatus = LPC_EMAC->IntStatus;
LPC_EMAC->IntClear = intstatus;
if (intstatus & EMAC_INTSTAT_RX_OVERRUN) {
/* Reset receive logic. */
LPC_EMAC->MAC1 |= EMAC_MAC1_RESET_RX | EMAC_MAC1_RESET_MCS_RX;
__NOP();
LPC_EMAC->MAC1 &= ~(EMAC_MAC1_RESET_RX | EMAC_MAC1_RESET_MCS_RX);
}
if (intstatus & EMAC_INTSTAT_TX_UNDERRUN) {
/* Reset transmit logic. */
LPC_EMAC->MAC1 |= EMAC_MAC1_RESET_TX | EMAC_MAC1_RESET_MCS_TX;
__NOP();
LPC_EMAC->MAC1 &= ~(EMAC_MAC1_RESET_TX | EMAC_MAC1_RESET_MCS_TX);
}
if (intstatus & EMAC_INTSTAT_RX_DONE) {
/* Data Received.*/
chSysLockFromIsr();
chSemResetI(&ETHD1.rdsem, 0);
#if MAC_USE_EVENTS
chEvtBroadcastI(&ETHD1.rdevent);
#endif
chSysUnlockFromIsr();
}
if (intstatus & EMAC_INTSTAT_TX_DONE) {
/* Data Transmitted.*/
consume_index = LPC_EMAC->TxConsumeIndex;
if (consume_index == 0)
consume_index = LPC17xx_MAC_TRANSMIT_BUFFERS - 1;
else
consume_index--;
txdescn = (td[consume_index].control >> 12) & 0x000000FF;
td_tmp[txdescn].control = 0; /* Unlock temporary descriptor. */
chSysLockFromIsr();
chSemResetI(&ETHD1.tdsem, 0);
chSysUnlockFromIsr();
}
CH_IRQ_EPILOGUE();
}
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level MAC initialization.
*
* @notapi
*/
void mac_lld_init(void) {
unsigned i;
macObjectInit(&ETHD1);
ETHD1.link_up = FALSE;
LPC_SC->PCONP |= (1 << 30); /* Power up MAC */
/* Rx desciptor and Rx status tables are initialized. */
for (i = 0; i < LPC17xx_MAC_RECEIVE_BUFFERS; i++) {
rd[i].packet = (uint32_t) &rb[i];
rd[i].control = EMAC_RXSTATUS_CTRL_INT | (LPC17xx_MAC_BUFFERS_SIZE - 1);
rd_stat[i].info = 0;
rd_stat[i].hashcrc = 0;
}
/* Tx desciptor and Tx status tables are cleared. They are set up every time
when transmission starts. */
for (i = 0; i < LPC17xx_MAC_TRANSMIT_BUFFERS; i++) {
td[i].packet = 0;
td[i].control = 0;
td_stat[i] = 0;
td_tmp[i].packet = (uint32_t) &tb[i];
td_tmp[i].control = 0;
}
/* Reset all EMAC internal modules. */
LPC_EMAC->MAC1 = EMAC_MAC1_RESET_TX | EMAC_MAC1_RESET_MCS_TX | EMAC_MAC1_RESET_RX |
EMAC_MAC1_RESET_MCS_RX | EMAC_MAC1_SIM_RESET | EMAC_MAC1_SOFT_RESET;
LPC_EMAC->Command = EMAC_COMMAND_REG_RESET | EMAC_COMMAND_TX_RESET | EMAC_COMMAND_RX_RESET;
LPC_EMAC->MCFG = EMAC_MCFG_RESET_MII_MGMT; /* Reset MII Managment hardware. */
halPolledDelay(LPC17XX_MAC_RESET_DELAY);
LPC_EMAC->MAC1 = 0; /* MAC reset de-asserted. */
/* Selection of the RMII or MII mode based on info exported by board.h.*/
#if defined(BOARD_PHY_RMII)
LPC_EMAC->Command = EMAC_COMMAND_RMII | EMAC_COMMAND_PASS_RUN_FRAME;
#else
LPC_EMAC->Command = EMAC_COMMAND_PASS_RUN_FRAME;
#endif
LPC_EMAC->MCFG = MAC_MII_MCFG_CLK_SEL; /* Set MII clock divider. */
/* PHY address setup.*/
#if defined(BOARD_PHY_ADDRESS)
ETHD1.phyaddr = BOARD_PHY_ADDRESS << 11;
#else
mii_find_phy(&ETHD1);
#endif
#if defined(BOARD_PHY_RESET)
/* PHY board-specific reset procedure.*/
BOARD_PHY_RESET();
#else
/* PHY soft reset procedure.*/
mii_write(&ETHD1, MII_BMCR, BMCR_RESET);
#if defined(BOARD_PHY_RESET_DELAY)
halPolledDelay(BOARD_PHY_RESET_DELAY);
#endif
while (mii_read(&ETHD1, MII_BMCR) & BMCR_RESET)
;
#endif
}
/**
* @brief Configures and activates the MAC peripheral.
*
* @param[in] macp pointer to the @p MACDriver object
*
* @notapi
*/
void mac_lld_start(MACDriver *macp) {
/* PHY in power up mode.*/
mii_write(macp, MII_BMCR, mii_read(macp, MII_BMCR) & ~BMCR_PDOWN);
/* MAC registers configuration.*/
LPC_EMAC->MAC1 = EMAC_MAC1_PASS_ALL_REC;
LPC_EMAC->MAC2 = EMAC_MAC2_CRC_EN | EMAC_MAC2_PAD_CRC_EN;
LPC_EMAC->MAXF = LPC17XX_MAC_MAX_FLEN;
LPC_EMAC->CLRT = LPC17XX_MAC_CLRT_DEF;
LPC_EMAC->IPGR = LPC17XX_MAC_IPGR_DEF;
/* MAC descriptor registers configuration. */
macp->rxsoftindex = 0;
LPC_EMAC->RxDescriptor = (uint32_t) &rd[0];
LPC_EMAC->RxDescriptorNumber = LPC17xx_MAC_RECEIVE_BUFFERS - 1;
LPC_EMAC->RxConsumeIndex = 0;
LPC_EMAC->RxStatus = (uint32_t) &rd_stat[0];
macp->txsoftindex = 0;
LPC_EMAC->TxDescriptor = (uint32_t) &td[0];
LPC_EMAC->TxDescriptorNumber = LPC17xx_MAC_TRANSMIT_BUFFERS - 1;
LPC_EMAC->TxProduceIndex = 0;
LPC_EMAC->TxStatus = (uint32_t) &td_stat[0];
/* MAC address setup.*/
if (macp->config->mac_address == NULL)
mac_lld_set_address(default_mac_address);
else
mac_lld_set_address(macp->config->mac_address);
/* Enable EMAC interrupts. */
LPC_EMAC->IntEnable = EMAC_INTEN_TX_DONE | EMAC_INTEN_RX_DONE |
EMAC_INTEN_RX_OVERRUN | EMAC_INTEN_TX_UNDERRUN;
/* Reset all interrupts. */
LPC_EMAC->IntClear = 0xFFFF;
/* ISR vector enabled.*/
nvicEnableVector(ENET_IRQn, CORTEX_PRIORITY_MASK(LPC17xx_MAC_ETH_IRQ_PRIORITY));
/* Enable receive and transmit mode. */
LPC_EMAC->Command |= EMAC_COMMAND_TX_ENABLE | EMAC_COMMAND_RX_ENABLE;
LPC_EMAC->MAC1 |= EMAC_MAC1_RECEIVE_EN;
}
/**
* @brief Deactivates the MAC peripheral.
*
* @param[in] macp pointer to the @p MACDriver object
*
* @notapi
*/
void mac_lld_stop(MACDriver *macp) {
if (macp->state != MAC_STOP) {
/* MAC and DMA stopped.*/
LPC_EMAC->MAC1 = 0;
LPC_EMAC->Command = 0;
LPC_EMAC->IntEnable = 0;
/* PHY in power down mode until the driver will be restarted.*/
mii_write(macp, MII_BMCR, mii_read(macp, MII_BMCR) | BMCR_PDOWN);
/* ISR vector disabled.*/
nvicDisableVector(ENET_IRQn);
}
}
/**
* @brief Returns a transmission descriptor.
* @details One of the available transmission descriptors is locked and
* returned.
*
* @param[in] macp pointer to the @p MACDriver object
* @param[out] tdp pointer to a @p MACTransmitDescriptor structure
* @return The operation status.
* @retval RDY_OK the descriptor has been obtained.
* @retval RDY_TIMEOUT descriptor not available.
*
* @notapi
*/
msg_t mac_lld_get_transmit_descriptor(MACDriver *macp,
MACTransmitDescriptor *tdp) {
uint32_t produce_index;
uint32_t produce_index_next;
if (!macp->link_up)
return RDY_TIMEOUT;
chSysLock();
/* Get Current TX descriptor.*/
produce_index = macp->txsoftindex;
produce_index_next = (produce_index + 1) % LPC17xx_MAC_TRANSMIT_BUFFERS;
if (produce_index_next == LPC_EMAC->TxConsumeIndex) {
/* Full */
chSysUnlock();
return RDY_TIMEOUT;
}
/* Ensure that descriptor isn't locked by the Ethernet DMA or
another thread.*/
if (td_tmp[produce_index].control == EMAC_TXSTATUS_CTRL_LOCK) {
chSysUnlock();
return RDY_TIMEOUT;
}
/* Marks the current descriptor as locked using a reserved bit.*/
td_tmp[produce_index].control = EMAC_TXSTATUS_CTRL_LOCK;
/* Next TX descriptor to use.*/
macp->txsoftindex = produce_index_next;
chSysUnlock();
/* Set the buffer size and configuration.*/
tdp->offset = 0;
tdp->size = LPC17xx_MAC_BUFFERS_SIZE;
tdp->txdescn = produce_index;
return RDY_OK;
}
/**
* @brief Releases a transmit descriptor and starts the transmission of the
* enqueued data as a single frame.
*
* @param[in] tdp the pointer to the @p MACTransmitDescriptor structure
*
* @notapi
*/
void mac_lld_release_transmit_descriptor(MACTransmitDescriptor *tdp) {
uint32_t produce_index;
uint32_t descn;
chSysLock();
produce_index = LPC_EMAC->TxProduceIndex;
descn = tdp->txdescn;
/* Set control bits and save temporary descriptor number. */
td[produce_index].control = EMAC_TXSTATUS_CTRL_INT | EMAC_TXSTATUS_CTRL_LAST | (descn << 12) |
(tdp->offset - 1);
td[produce_index].packet = td_tmp[descn].packet;
LPC_EMAC->TxProduceIndex = (LPC_EMAC->TxProduceIndex + 1) % LPC17xx_MAC_TRANSMIT_BUFFERS;
chSysUnlock();
}
/**
* @brief Returns a receive descriptor.
*
* @param[in] macp pointer to the @p MACDriver object
* @param[out] rdp pointer to a @p MACReceiveDescriptor structure
* @return The operation status.
* @retval RDY_OK the descriptor has been obtained.
* @retval RDY_TIMEOUT descriptor not available.
*
* @notapi
*/
msg_t mac_lld_get_receive_descriptor(MACDriver *macp,
MACReceiveDescriptor *rdp) {
uint32_t consume_index;
uint32_t status;
chSysLock();
/* Get current rx descriptor number.*/
consume_index = macp->rxsoftindex;
if (LPC_EMAC->RxProduceIndex != consume_index) {
status = rd_stat[consume_index].info;
if (status != EMAC_RXSTATUS_INFO_ERROR) {
/* Found a valid one.*/
rdp->offset = 0;
rdp->size = (status & EMAC_RXSTATUS_INFO_SIZE_MASK) + 1;
rdp->rxdescn = consume_index;
macp->rxsoftindex = (consume_index + 1) % LPC17xx_MAC_RECEIVE_BUFFERS;
chSysUnlock();
return RDY_OK;
}
else {
/* Invalid frame found. */
if (LPC_EMAC->RxConsumeIndex == consume_index) {
consume_index = (consume_index + 1) % LPC17xx_MAC_RECEIVE_BUFFERS;
LPC_EMAC->RxConsumeIndex = consume_index;
}
else {
rd[consume_index].control |= EMAC_RXSTATUS_CTRL_READY;
consume_index = (consume_index + 1) % LPC17xx_MAC_RECEIVE_BUFFERS;
}
macp->rxsoftindex = consume_index;
}
}
chSysUnlock();
return RDY_TIMEOUT;
}
/**
* @brief Releases a receive descriptor.
* @details The descriptor and its buffer are made available for more incoming
* frames.
*
* @param[in] rdp the pointer to the @p MACReceiveDescriptor structure
*
* @notapi
*/
void mac_lld_release_receive_descriptor(MACReceiveDescriptor *rdp) {
uint32_t consume_index;
chSysLock();
/* Only descriptor with number match RxConsumeIndex can release receive descriptors. */
consume_index = LPC_EMAC->RxConsumeIndex;
if (rdp->rxdescn == consume_index) {
consume_index = (consume_index + 1) % LPC17xx_MAC_RECEIVE_BUFFERS;
while (LPC_EMAC->RxProduceIndex != consume_index) {
if (rd[consume_index].control & EMAC_RXSTATUS_CTRL_READY) {
rd[consume_index].control &= ~EMAC_RXSTATUS_CTRL_READY;
consume_index = (consume_index + 1) % LPC17xx_MAC_RECEIVE_BUFFERS;
}
else {
break;
}
}
LPC_EMAC->RxConsumeIndex = consume_index;
}
else {
rd[rdp->rxdescn].control |= EMAC_RXSTATUS_CTRL_READY;
}
chSysUnlock();
}
/**
* @brief Updates and returns the link status.
*
* @param[in] macp pointer to the @p MACDriver object
* @return The link status.
* @retval TRUE if the link is active.
* @retval FALSE if the link is down.
*
* @notapi
*/
bool_t mac_lld_poll_link_status(MACDriver *macp) {
uint32_t mac2, cmd, ipgt, supp, bmsr, bmcr;
mac2 = LPC_EMAC->MAC2;
cmd = LPC_EMAC->Command;
/* PHY CR and SR registers read.*/
(void)mii_read(macp, MII_BMSR);
bmsr = mii_read(macp, MII_BMSR);
bmcr = mii_read(macp, MII_BMCR);
/* Check on auto-negotiation mode.*/
if (bmcr & BMCR_ANENABLE) {
uint32_t lpa;
/* Auto-negotiation must be finished without faults and link established.*/
if ((bmsr & (BMSR_LSTATUS | BMSR_RFAULT | BMSR_ANEGCOMPLETE)) !=
(BMSR_LSTATUS | BMSR_ANEGCOMPLETE))
return macp->link_up = FALSE;
/* Auto-negotiation enabled, checks the LPA register.*/
lpa = mii_read(macp, MII_LPA);
/* Check on link speed.*/
if (lpa & (LPA_100HALF | LPA_100FULL | LPA_100BASE4))
supp = EMAC_SUPP_SPEED;
else
supp = 0;
/* Check on link mode.*/
if (lpa & (LPA_10FULL | LPA_100FULL)) {
mac2 |= EMAC_MAC2_FULL_DUPLEX;
cmd |= EMAC_COMMAND_FULL_DUPLEX;
ipgt = LPC17XX_MAC_IPGT_FULL_DUPLEX_DEF;
}
else {
mac2 &= ~EMAC_MAC2_FULL_DUPLEX;
cmd &= ~EMAC_COMMAND_FULL_DUPLEX;
ipgt = LPC17XX_MAC_IPGT_HALF_DUPLEX_DEF;
}
}
else {
/* Link must be established.*/
if (!(bmsr & BMSR_LSTATUS))
return macp->link_up = FALSE;
/* Check on link speed.*/
if (bmcr & BMCR_SPEED100)
supp = EMAC_SUPP_SPEED;
else
supp = 0;
/* Check on link mode.*/
if (bmcr & BMCR_FULLDPLX) {
mac2 |= EMAC_MAC2_FULL_DUPLEX;
cmd |= EMAC_COMMAND_FULL_DUPLEX;
ipgt = LPC17XX_MAC_IPGT_FULL_DUPLEX_DEF;
}
else {
mac2 &= ~EMAC_MAC2_FULL_DUPLEX;
cmd &= ~EMAC_COMMAND_FULL_DUPLEX;
ipgt = LPC17XX_MAC_IPGT_HALF_DUPLEX_DEF;
}
}
LPC_EMAC->MAC2 = mac2;
LPC_EMAC->SUPP = supp;
LPC_EMAC->Command = cmd;
LPC_EMAC->IPGT = ipgt;
/* Returns the link status.*/
return macp->link_up = TRUE;
}
/**
* @brief Writes to a transmit descriptor's stream.
*
* @param[in] tdp pointer to a @p MACTransmitDescriptor structure
* @param[in] buf pointer to the buffer containing the data to be
* written
* @param[in] size number of bytes to be written
* @return The number of bytes written into the descriptor's
* stream, this value can be less than the amount
* specified in the parameter @p size if the maximum
* frame size is reached.
*
* @notapi
*/
size_t mac_lld_write_transmit_descriptor(MACTransmitDescriptor *tdp,
uint8_t *buf,
size_t size) {
if (size > tdp->size - tdp->offset)
size = tdp->size - tdp->offset;
if (size > 0) {
memcpy((uint8_t *)td_tmp[tdp->txdescn].packet + tdp->offset, buf, size);
tdp->offset += size;
}
return size;
}
/**
* @brief Reads from a receive descriptor's stream.
*
* @param[in] rdp pointer to a @p MACReceiveDescriptor structure
* @param[in] buf pointer to the buffer that will receive the read data
* @param[in] size number of bytes to be read
* @return The number of bytes read from the descriptor's
* stream, this value can be less than the amount
* specified in the parameter @p size if there are
* no more bytes to read.
*
* @notapi
*/
size_t mac_lld_read_receive_descriptor(MACReceiveDescriptor *rdp,
uint8_t *buf,
size_t size) {
if (size > rdp->size - rdp->offset)
size = rdp->size - rdp->offset;
if (size > 0) {
memcpy(buf, (uint8_t *)rd[rdp->rxdescn].packet + rdp->offset, size);
rdp->offset += size;
}
return size;
}
#if MAC_USE_ZERO_COPY || defined(__DOXYGEN__)
/**
* @brief Returns a pointer to the next transmit buffer in the descriptor
* chain.
* @note The API guarantees that enough buffers can be requested to fill
* a whole frame.
*
* @param[in] tdp pointer to a @p MACTransmitDescriptor structure
* @param[in] size size of the requested buffer. Specify the frame size
* on the first call then scale the value down subtracting
* the amount of data already copied into the previous
* buffers.
* @param[out] sizep pointer to variable receiving the buffer size, it is
* zero when the last buffer has already been returned.
* Note that a returned size lower than the amount
* requested means that more buffers must be requested
* in order to fill the frame data entirely.
* @return Pointer to the returned buffer.
* @retval NULL if the buffer chain has been entirely scanned.
*
* @notapi
*/
uint8_t *mac_lld_get_next_transmit_buffer(MACTransmitDescriptor *tdp,
size_t size,
size_t *sizep) {
if (tdp->offset == 0) {
*sizep = tdp->size;
tdp->offset = size;
return (uint8_t *)td_tmp[tdp->txdescn].packet;
}
*sizep = 0;
return NULL;
}
/**
* @brief Returns a pointer to the next receive buffer in the descriptor
* chain.
* @note The API guarantees that the descriptor chain contains a whole
* frame.
*
* @param[in] rdp pointer to a @p MACReceiveDescriptor structure
* @param[out] sizep pointer to variable receiving the buffer size, it is
* zero when the last buffer has already been returned.
* @return Pointer to the returned buffer.
* @retval NULL if the buffer chain has been entirely scanned.
*
* @notapi
*/
const uint8_t *mac_lld_get_next_receive_buffer(MACReceiveDescriptor *rdp,
size_t *sizep) {
if (rdp->size > 0) {
*sizep = rdp->size;
rdp->offset = rdp->size;
rdp->size = 0;
return (uint8_t *)rd[rdp->rxdescn].packet;
}
*sizep = 0;
return NULL;
}
#endif /* MAC_USE_ZERO_COPY */
#endif /* HAL_USE_MAC */
/** @} */

View File

@ -0,0 +1,661 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
This file has been contributed by:
Marcin Jokel.
*/
/**
* @file LPC17xx/mac_lld.h
* @brief LPC17xx low level MAC driver header.
*
* @addtogroup MAC
* @{
*/
#ifndef _MAC_LLD_H_
#define _MAC_LLD_H_
#if HAL_USE_MAC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief This implementation supports the zero-copy mode API.
*/
#define MAC_SUPPORTS_ZERO_COPY TRUE
/**
* @name MAC Configuration Register 1 bits
* @{
*/
#define EMAC_MAC1_RECEIVE_EN (1UL << 0)
#define EMAC_MAC1_PASS_ALL_REC (1UL << 1)
#define EMAC_MAC1_RX_FLOW_CTRL (1UL << 2)
#define EMAC_MAC1_TX_FLOW_CTRL (1UL << 3)
#define EMAC_MAC1_LOOPBACK (1UL << 4)
#define EMAC_MAC1_RESET_TX (1UL << 8)
#define EMAC_MAC1_RESET_MCS_TX (1UL << 9)
#define EMAC_MAC1_RESET_RX (1UL << 10)
#define EMAC_MAC1_RESET_MCS_RX (1UL << 11)
#define EMAC_MAC1_SIM_RESET (1UL << 14)
#define EMAC_MAC1_SOFT_RESET (1UL << 15)
/**
* @name MAC Configuration Register 2 bits
* @{
*/
#define EMAC_MAC2_FULL_DUPLEX (1UL << 0)
#define EMAC_MAC2_FRAME_LEN_CHECK (1UL << 1)
#define EMAC_MAC2_HUGE_FRAME_EN (1UL << 2)
#define EMAC_MAC2_DELAYED_CRC (1UL << 3)
#define EMAC_MAC2_CRC_EN (1UL << 4)
#define EMAC_MAC2_PAD_CRC_EN (1UL << 5)
#define EMAC_MAC2_VLAN_PAN_EN (1UL << 6)
#define EMAC_MAC2_AUTO_DET_PAD_EN (1UL << 7)
#define EMAC_MAC2_PURE_PREA_ENF (1UL << 8)
#define EMAC_MAC2_LONG_PRE_ENF (1UL << 9)
#define EMAC_MAC2_NO_BACKOFF (1UL << 12)
#define EMAC_MAC2_BACK_PRESSURE (1UL << 13)
#define EMAC_MAC2_EXCESS_DEFFER (1UL << 14)
/** @} */
/**
* @name PHY Support Register bits
* @{
*/
#define EMAC_SUPP_SPEED (1UL << 8)
/** @} */
/**
* @name Test Register bits
* @{
*/
#define EMAC_TEST_SHORTCUT_PAUSE_QUANTA (1UL << 0)
#define EMAC_TEST_PAUSE (1UL << 1)
#define EMAC_TEST_BACKPRESSURE (1UL << 2)
/** @} */
/**
* @name Test Register bits
* @{
*/
#define EMAC_TEST_SHORTCUT_PAUSE_QUANTA (1UL << 0)
#define EMAC_TEST_PAUSE (1UL << 1)
#define EMAC_TEST_BACKPRESSURE (1UL << 2)
/** @} */
/**
* @name MII Mgmt Configuration Register bits
* @{
*/
#define EMAC_MCFG_SCAN_INCR (1UL << 0)
#define EMAC_MCFG_SUPPRESS_PREAMBLE (1UL << 1)
#define EMAC_MCFG_CLK_DIV_4 (1UL << 2)
#define EMAC_MCFG_CLK_DIV_6 (2UL << 2)
#define EMAC_MCFG_CLK_DIV_8 (3UL << 2)
#define EMAC_MCFG_CLK_DIV_10 (4UL << 2)
#define EMAC_MCFG_CLK_DIV_14 (5UL << 2)
#define EMAC_MCFG_CLK_DIV_20 (6UL << 2)
#define EMAC_MCFG_CLK_DIV_28 (7UL << 2)
#define EMAC_MCFG_CLK_DIV_36 (8UL << 2)
#define EMAC_MCFG_CLK_DIV_40 (9UL << 2)
#define EMAC_MCFG_CLK_DIV_44 (10UL << 2)
#define EMAC_MCFG_CLK_DIV_48 (11UL << 2)
#define EMAC_MCFG_CLK_DIV_52 (12UL << 2)
#define EMAC_MCFG_CLK_DIV_56 (13UL << 2)
#define EMAC_MCFG_CLK_DIV_60 (14UL << 2)
#define EMAC_MCFG_CLK_DIV_64 (15UL << 2)
#define EMAC_MCFG_RESET_MII_MGMT (1UL << 15)
/** @} */
/**
* @name MII Mgmt Command Register bits
* @{
*/
#define EMAC_MCMD_READ (1UL << 0)
#define EMAC_MCMD_SCAN (1UL << 1)
/** @} */
/**
* @name MIND MII Mgmt Indicators Register bits
* @{
*/
#define EMAC_MIND_BUSY (1UL << 0)
#define EMAC_MIND_SCANNING (1UL << 1)
#define EMAC_MIND_NOT_VALID (1UL << 2)
#define EMAC_MIND_LINK_FAIL (1UL << 3)
/** @} */
/**
* @name Command Register bits
* @{
*/
#define EMAC_COMMAND_RX_ENABLE (1UL << 0)
#define EMAC_COMMAND_TX_ENABLE (1UL << 1)
#define EMAC_COMMAND_REG_RESET (1UL << 3)
#define EMAC_COMMAND_TX_RESET (1UL << 4)
#define EMAC_COMMAND_RX_RESET (1UL << 5)
#define EMAC_COMMAND_PASS_RUN_FRAME (1UL << 6)
#define EMAC_COMMAND_PASS_RX_FILTER (1UL << 7)
#define EMAC_COMMAND_PASS_TX_FLOW_CTRL (1UL << 8)
#define EMAC_COMMAND_RMII (1UL << 9)
#define EMAC_COMMAND_FULL_DUPLEX (1UL << 10)
/** @} */
/**
* @name Status Register bits
* @{
*/
#define EMAC_STATUS_RX (1UL << 0)
#define EMAC_STATUS_TX (1UL << 1)
/** @} */
/**
* @name Transmit Status Vector 0 Register bits
* @{
*/
#define EMAC_TSV0_CRC_ERROR (1UL << 0)
#define EMAC_TSV0_LEN_CHECK_ERROR (1UL << 1)
#define EMAC_TSV0_LEN_OUT_OF_RANGE (1UL << 2)
#define EMAC_TSV0_DONE (1UL << 3)
#define EMAC_TSV0_MULTICAST (1UL << 4)
#define EMAC_TSV0_BROADCAST (1UL << 5)
#define EMAC_TSV0_PACKET_DEFER (1UL << 6)
#define EMAC_TSV0_EXCESSIVE_DEFER (1UL << 7)
#define EMAC_TSV0_EXCESSIVE_COLLISION (1UL << 8)
#define EMAC_TSV0_LATE_COLLISION (1UL << 9)
#define EMAC_TSV0_GIANT (1UL << 10)
#define EMAC_TSV0_UNDERRUN (1UL << 11)
#define EMAC_TSV0_CONTROL_FRAME (1UL << 28)
#define EMAC_TSV0_PAUSE (1UL << 29)
#define EMAC_TSV0_BACKPRESSURE (1UL << 30)
#define EMAC_TSV0_VLAN (1UL << 31)
/** @} */
/**
* @name Receive Status Vector Register bits
* @{
*/
#define EMAC_RSV_PACKET_PREV_IGN (1UL << 16)
#define EMAC_RSV_RXDV_EVENT (1UL << 17)
#define EMAC_RSV_CARRIER_EVENT (1UL << 18)
#define EMAC_RSV_RECEIVE_CODE (1UL << 19)
#define EMAC_RSV_CRC_ERROR (1UL << 20)
#define EMAC_RSV_LEN_CHECK_ERROR (1UL << 21)
#define EMAC_RSV_LEN_OUT_OF_RANGE (1UL << 22)
#define EMAC_RSV_RECEIVE_OK (1UL << 23)
#define EMAC_RSV_MULTICAST (1UL << 24)
#define EMAC_RSV_BROADCAST (1UL << 25)
#define EMAC_RSV_DRIBBLE_NIBBLE (1UL << 26)
#define EMAC_RSV_CTRL_FRAME (1UL << 27)
#define EMAC_RSV_PAUSE (1UL << 28)
#define EMAC_RSV_UNSUPPORTED_OPCODE (1UL << 29)
#define EMAC_RSV_VLAN (1UL << 30)
/** @} */
/**
* @name Receive Filter Control Register bits
* @{
*/
#define EMAC_RXFILCTRL_UNICAST_EN (1UL << 0)
#define EMAC_RXFILCTRL_BROADCAST_EN (1UL << 1)
#define EMAC_RXFILCTRL_MULTICAST_EN (1UL << 2)
#define EMAC_RXFILCTRL_UNICAST_HASH_EN (1UL << 3)
#define EMAC_RXFILCTRL_MULTICAST_HASH_EN (1UL << 4)
#define EMAC_RXFILCTRL_PERFECT_EN (1UL << 5)
#define EMAC_RXFILCTRL_MAGIC_PACKET_EN (1UL << 12)
#define EMAC_RXFILCTRL_RX_FILTER_EN (1UL << 13)
/** @} */
/**
* @name Receive Filter WoL Status bits
* @{
*/
#define EMAC_RXFILWOLSTAT_UNICAST (1UL << 0)
#define EMAC_RXFILWOLSTAT_BROADCAST (1UL << 1)
#define EMAC_RXFILWOLSTAT_MULTICAST (1UL << 2)
#define EMAC_RXFILWOLSTAT_UNICAST_HASH (1UL << 3)
#define EMAC_RXFILWOLSTAT_MULTICAST_HASH (1UL << 4)
#define EMAC_RXFILWOLSTAT_PERFECT (1UL << 5)
#define EMAC_RXFILWOLSTAT_RX_FILTER (1UL << 7)
#define EMAC_RXFILWOLSTAT_MAGIC_PACKET (1UL << 8)
/** @} */
/**
* @name Receive Filter WoL Clear bits
* @{
*/
#define EMAC_RXFILWOLCLR_UNICAST (1UL << 0)
#define EMAC_RXFILWOLCLR_BROADCAST (1UL << 1)
#define EMAC_RXFILWOLCLR_MULTICAST (1UL << 2)
#define EMAC_RXFILWOLCLR_UNICAST_HASH (1UL << 3)
#define EMAC_RXFILWOLCLR_MULTICAST_HASH (1UL << 4)
#define EMAC_RXFILWOLCLR_PERFECT (1UL << 5)
#define EMAC_RXFILWOLCLR_RX_FILTER (1UL << 7)
#define EMAC_RXFILWOLCLR_MAGIC_PACKET (1UL << 8)
/** @} */
/**
* @name Interrupt Status Register bits
* @{
*/
#define EMAC_INTSTAT_RX_OVERRUN (1UL << 0)
#define EMAC_INTSTAT_RX_ERROR (1UL << 1)
#define EMAC_INTSTAT_RX_FINISHED (1UL << 2)
#define EMAC_INTSTAT_RX_DONE (1UL << 3)
#define EMAC_INTSTAT_TX_UNDERRUN (1UL << 4)
#define EMAC_INTSTAT_TX_ERROR (1UL << 5)
#define EMAC_INTSTAT_TX_FINISHED (1UL << 6)
#define EMAC_INTSTAT_TX_DONE (1UL << 7)
#define EMAC_INTSTAT_SOFT (1UL << 12)
#define EMAC_INTSTAT_WAKEUP (1UL << 13)
/** @} */
/**
* @name Interrupt Enable Register bits
* @{
*/
#define EMAC_INTEN_RX_OVERRUN (1UL << 0)
#define EMAC_INTEN_RX_ERROR (1UL << 1)
#define EMAC_INTEN_RX_FINISHED (1UL << 2)
#define EMAC_INTEN_RX_DONE (1UL << 3)
#define EMAC_INTEN_TX_UNDERRUN (1UL << 4)
#define EMAC_INTEN_TX_ERROR (1UL << 5)
#define EMAC_INTEN_TX_FINISHED (1UL << 6)
#define EMAC_INTEN_TX_DONE (1UL << 7)
#define EMAC_INTEN_SOFT (1UL << 12)
#define EMAC_INTEN_WAKEUP (1UL << 13)
/** @} */
/**
* @name Interrupt Clear Register bits
* @{
*/
#define EMAC_INTCLR_RX_OVERRUN (1UL << 0)
#define EMAC_INTCLR_RX_ERROR (1UL << 1)
#define EMAC_INTCLR_RX_FINISHED (1UL << 2)
#define EMAC_INTCLR_RX_DONE (1UL << 3)
#define EMAC_INTCLR_TX_UNDERRUN (1UL << 4)
#define EMAC_INTCLR_TX_ERROR (1UL << 5)
#define EMAC_INTCLR_TX_FINISHED (1UL << 6)
#define EMAC_INTCLR_TX_DONE (1UL << 7)
#define EMAC_INTCLR_SOFT (1UL << 12)
#define EMAC_INTCLR_WAKEUP (1UL << 13)
/** @} */
/**
* @name Interrupt Set Register bits
* @{
*/
#define EMAC_INTSET_RX_OVERRUN (1UL << 0)
#define EMAC_INTSET_RX_ERROR (1UL << 1)
#define EMAC_INTSET_RX_FINISHED (1UL << 2)
#define EMAC_INTSET_RX_DONE (1UL << 3)
#define EMAC_INTSET_TX_UNDERRUN (1UL << 4)
#define EMAC_INTSET_TX_ERROR (1UL << 5)
#define EMAC_INTSET_TX_FINISHED (1UL << 6)
#define EMAC_INTSET_TX_DONE (1UL << 7)
#define EMAC_INTSET_SOFT (1UL << 12)
#define EMAC_INTSET_WAKEUP (1UL << 13)
/** @} */
/**
* @name Power-Down Register bits
* @{
*/
#define EMAC_PWRDOWN_MAC_AHB (1UL << 31)
/** @} */
/**
* @name Receive Descriptor Control bits
* @{
*/
#define EMAC_RXSTATUS_CTRL_SIZE_MASK 0x000007FF
#define EMAC_RXSTATUS_CTRL_LOCK (1UL << 11)
#define EMAC_RXSTATUS_CTRL_READY (1UL << 12)
#define EMAC_RXSTATUS_RELEASE (1UL << 12)
#define EMAC_RXSTATUS_CTRL_INT (1UL << 31)
/** @} */
/**
* @name Receive Descriptor Status bits
* @{
*/
#define EMAC_RXSTATUS_INFO_SIZE_MASK 0x000007FF
#define EMAC_RXSTATUS_INFO_CTRL_FRAME (1UL << 18)
#define EMAC_RXSTATUS_INFO_VLAN (1UL << 19)
#define EMAC_RXSTATUS_INFO_FAIL_FILTER (1UL << 20)
#define EMAC_RXSTATUS_INFO_MULTICAST (1UL << 21)
#define EMAC_RXSTATUS_INFO_BROADCAST (1UL << 22)
#define EMAC_RXSTATUS_INFO_CRC_ERROR (1UL << 23)
#define EMAC_RXSTATUS_INFO_SYMBOL_ERROR (1UL << 24)
#define EMAC_RXSTATUS_INFO_LENGTH_ERROR (1UL << 25)
#define EMAC_RXSTATUS_INFO_RANGE_ERROR (1UL << 26)
#define EMAC_RXSTATUS_INFO_ALLIG_ERROR (1UL << 27)
#define EMAC_RXSTATUS_INFO_OVERRUN (1UL << 28)
#define EMAC_RXSTATUS_INFO_NO_DESCRIPTOR (1UL << 29)
#define EMAC_RXSTATUS_INFO_LAST_FLAG (1UL << 30)
#define EMAC_RXSTATUS_INFO_ERROR (1UL << 31)
/** @} */
/**
* @name Transmit Descriptor Control bits
* @{
*/
#define EMAC_TXSTATUS_CTRL_SIZE_MASK 0x000007FF
#define EMAC_TXSTATUS_CTRL_LOCK (1UL << 11)
#define EMAC_TXSTATUS_CTRL_OVERRIDE (1UL << 26)
#define EMAC_TXSTATUS_CTRL_HUGE (1UL << 27)
#define EMAC_TXSTATUS_CTRL_PAD (1UL << 28)
#define EMAC_TXSTATUS_CTRL_CRC (1UL << 29)
#define EMAC_TXSTATUS_CTRL_LAST (1UL << 30)
#define EMAC_TXSTATUS_CTRL_INT (1UL << 31)
/** @} */
/**
* @name Transmit Descriptor Status bits
* @{
*/
#define EMAC_RXSTATUS_INFO_COL_COUNT_MASK (0x0FUL << 21)
#define EMAC_RXSTATUS_INFO_DEFER (1UL << 25)
#define EMAC_RXSTATUS_INFO_EXC_DEFER (1UL << 26)
#define EMAC_RXSTATUS_INFO_EXC_COL (1UL << 27)
#define EMAC_RXSTATUS_INFO_LATE_COL (1UL << 28)
#define EMAC_RXSTATUS_INFO_UNDERRUN (1UL << 29)
#define EMAC_RXSTATUS_INFO_NO_DESC (1UL << 30)
#define EMAC_RXSTATUS_INFO_ERROR (1UL << 31)
/** @} */
/**
* @brief Collision Window / Retry register default value
*/
#define LPC17XX_MAC_CLRT_DEF 0x0000370F
/**
* @brief Non Back-to-Back Inter-Packet-Gap register default value
*/
#define LPC17XX_MAC_IPGR_DEF 0x00000015
/**
* @brief Back-to-Back Inter-Packet-Gap register default value
*/
#define LPC17XX_MAC_IPGT_FULL_DUPLEX_DEF 0x00000015
#define LPC17XX_MAC_IPGT_HALF_DUPLEX_DEF 0x00000012
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name Configuration options
* @{
*/
/**
* @brief Number of available transmit buffers.
*/
#if !defined(LPC17xx_MAC_TRANSMIT_BUFFERS) || defined(__DOXYGEN__)
#define LPC17xx_MAC_TRANSMIT_BUFFERS 2
#endif
/**
* @brief Number of available receive buffers.
*/
#if !defined(LPC17xx_MAC_RECEIVE_BUFFERS) || defined(__DOXYGEN__)
#define LPC17xx_MAC_RECEIVE_BUFFERS 4
#endif
/**
* @brief Maximum supported frame size.
*/
#if !defined(LPC17xx_MAC_BUFFERS_SIZE) || defined(__DOXYGEN__)
#define LPC17xx_MAC_BUFFERS_SIZE 1522
#endif
/**
* @brief PHY detection timeout.
* @details Timeout, in milliseconds, for PHY address detection, if a PHY
* is not detected within the timeout then the driver halts during
* initialization. This setting applies only if the PHY address is
* not explicitly set in the board header file using
* @p BOARD_PHY_ADDRESS. A zero value disables the timeout and a
* single search path is performed.
*/
#if !defined(LPC17xx_MAC_PHY_TIMEOUT) || defined(__DOXYGEN__)
#define LPC17xx_MAC_PHY_TIMEOUT 100
#endif
/**
* @brief Change the PHY power state inside the driver.
*/
#if !defined(LPC17xx_MAC_ETH1_CHANGE_PHY_STATE) || defined(__DOXYGEN__)
#define LPC17xx_MAC_ETH1_CHANGE_PHY_STATE TRUE
#endif
/**
* @brief ETHD1 interrupt priority level setting.
*/
#if !defined(LPC17xx_MAC_ETH_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define LPC17xx_MAC_ETH_IRQ_PRIORITY 13
#endif
/**
* @brief MAC number of ticks of delay after reset.
*/
#if !defined(LPC17XX_MAC_RESET_DELAY) || defined(__DOXYGEN__)
#define LPC17XX_MAC_RESET_DELAY 100
#endif
/**
* @brief MAC maximum frame length.
*/
#if !defined(LPC17XX_MAC_MAX_FLEN) || defined(__DOXYGEN__)
#define LPC17XX_MAC_MAX_FLEN 1536
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
#if (LPC17xx_MAC_PHY_TIMEOUT > 0) && !HAL_IMPLEMENTS_COUNTERS
#error "LPC17xx_MAC_PHY_TIMEOUT requires the realtime counter service"
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of an LPC17xx Ethernet receive descriptor.
*/
typedef struct {
volatile uint32_t packet;
volatile uint32_t control;
} lpc17xx_eth_rx_descriptor_t;
/**
* @brief Type of an LPC17xx Ethernet transmit descriptor.
*/
typedef struct {
volatile uint32_t packet;
volatile uint32_t control;
} lpc17xx_eth_tx_descriptor_t;
/**
* @brief Type of an LPC17xx Ethernet receive status.
*/
typedef struct {
volatile uint32_t info;
volatile uint32_t hashcrc;
} lpc17xx_eth_rx_status_t;
/**
* @brief Type of an LPC17xx Ethernet transmit status.
*/
typedef volatile uint32_t lpc17xx_eth_tx_status_t;
/**
* @brief Driver configuration structure.
*/
typedef struct {
/**
* @brief MAC address.
*/
uint8_t *mac_address;
/* End of the mandatory fields.*/
} MACConfig;
/**
* @brief Structure representing a MAC driver.
*/
struct MACDriver {
/**
* @brief Driver state.
*/
macstate_t state;
/**
* @brief Current configuration data.
*/
const MACConfig *config;
/**
* @brief Transmit semaphore.
*/
Semaphore tdsem;
/**
* @brief Receive semaphore.
*/
Semaphore rdsem;
#if MAC_USE_EVENTS || defined(__DOXYGEN__)
/**
* @brief Receive event.
*/
EventSource rdevent;
#endif
/* End of the mandatory fields.*/
/**
* @brief Link status flag.
*/
bool_t link_up;
/**
* @brief PHY address (pre shifted).
*/
uint32_t phyaddr;
/**
* @brief Software receive descriptor number.
*/
uint32_t rxsoftindex;
/**
* @brief Software transmit descriptor number.
*/
uint32_t txsoftindex;
};
/**
* @brief Structure representing a transmit descriptor.
*/
typedef struct {
/**
* @brief Current write offset.
*/
size_t offset;
/**
* @brief Available space size.
*/
size_t size;
/* End of the mandatory fields.*/
/**
* @brief Physical descriptor number.
*/
uint32_t txdescn;
} MACTransmitDescriptor;
/**
* @brief Structure representing a receive descriptor.
*/
typedef struct {
/**
* @brief Current read offset.
*/
size_t offset;
/**
* @brief Available data size.
*/
size_t size;
/* End of the mandatory fields.*/
/**
* @brief Physical descriptor number.
*/
uint32_t rxdescn;
} MACReceiveDescriptor;
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if !defined(__DOXYGEN__)
extern MACDriver ETHD1;
#endif
#ifdef __cplusplus
extern "C" {
#endif
void mac_lld_init(void);
void mac_lld_start(MACDriver *macp);
void mac_lld_stop(MACDriver *macp);
msg_t mac_lld_get_transmit_descriptor(MACDriver *macp,
MACTransmitDescriptor *tdp);
void mac_lld_release_transmit_descriptor(MACTransmitDescriptor *tdp);
msg_t mac_lld_get_receive_descriptor(MACDriver *macp,
MACReceiveDescriptor *rdp);
void mac_lld_release_receive_descriptor(MACReceiveDescriptor *rdp);
bool_t mac_lld_poll_link_status(MACDriver *macp);
size_t mac_lld_write_transmit_descriptor(MACTransmitDescriptor *tdp,
uint8_t *buf,
size_t size);
size_t mac_lld_read_receive_descriptor(MACReceiveDescriptor *rdp,
uint8_t *buf,
size_t size);
uint32_t mii_read(MACDriver *macp, uint32_t reg);
void mii_write(MACDriver *macp, uint32_t reg, uint32_t value);
void mii_find_phy(MACDriver *macp);
#if MAC_USE_ZERO_COPY
uint8_t *mac_lld_get_next_transmit_buffer(MACTransmitDescriptor *tdp,
size_t size,
size_t *sizep);
const uint8_t *mac_lld_get_next_receive_buffer(MACReceiveDescriptor *rdp,
size_t *sizep);
#endif /* MAC_USE_ZERO_COPY */
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_MAC */
#endif /* _MAC_LLD_H_ */
/** @} */

View File

@ -8,7 +8,8 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/LPC17xx/hal_lld.c \
${CHIBIOS}/os/hal/platforms/LPC17xx/rtc_lld.c \
${CHIBIOS}/os/hal/platforms/LPC17xx/i2c_lld.c \
${CHIBIOS}/os/hal/platforms/LPC17xx/spi_lld.c \
${CHIBIOS}/os/hal/platforms/LPC17xx/dac_lld.c
${CHIBIOS}/os/hal/platforms/LPC17xx/dac_lld.c \
${CHIBIOS}/os/hal/platforms/LPC17xx/mac_lld.c
# Required include directories

View File

@ -104,6 +104,15 @@ SECTIONS
_etext = .;
_textdata = _etext;
.eth_ram (NOLOAD) :
{
. = ALIGN(4);
PROVIDE(_eth_ram_start = .);
*(.eth_ram)
. = ALIGN(4);
PROVIDE(_eth_ram_end = .);
} > ramahb
.stacks :
{
. = ALIGN(8);

View File

@ -19,7 +19,7 @@
*/
/*
* LPC1766 memory setup.
* LPC1769 memory setup.
*/
__main_stack_size__ = 0x0200;
__process_stack_size__ = 0x0200;
@ -104,6 +104,15 @@ SECTIONS
_etext = .;
_textdata = _etext;
.eth_ram (NOLOAD) :
{
. = ALIGN(4);
PROVIDE(_eth_ram_start = .);
*(.eth_ram)
. = ALIGN(4);
PROVIDE(_eth_ram_end = .);
} > ramahb
.stacks :
{
. = ALIGN(8);