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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4712 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2012-09-21 14:55:10 +00:00
parent cc73a2f3d9
commit 12af666276
4 changed files with 451 additions and 0 deletions
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25
boards/GENERIC_SPC560P/board.c
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@ -21,6 +21,31 @@
#include "ch.h"
#include "hal.h"
#if HAL_USE_PAL || defined(__DOXYGEN__)
/* List of the PCR values to be setup initially, the list is terminated by a
{0, 0}.*/
static const spc560p_pcr_init_t spc560p_pcrs_init[] = {
{0, 0}
};
/* Initialization array for the PSMI registers.*/
static const uint8_t spc560p_padsels_init[36] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0
};
/**
* @brief PAL setup.
*/
const PALConfig pal_default_config =
{
PAL_MODE_UNCONNECTED,
spc560p_pcrs_init,
spc560p_padsels_init
};
#endif
/*
* Early initialization code.
* This initialization must be performed just after stack setup and before

2
os/hal/platforms/SPC560Pxx/platform.mk
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@ -1,7 +1,9 @@
# List of all the SPC560Pxx platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/SPC560Pxx/hal_lld.c \
${CHIBIOS}/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c \
${CHIBIOS}/os/hal/platforms/SPC5xx/LINFlex_v1/serial_lld.c
# Required include directories
PLATFORMINC = ${CHIBIOS}/os/hal/platforms/SPC560Pxx \
${CHIBIOS}/os/hal/platforms/SPC5xx/SIUL_v1 \
${CHIBIOS}/os/hal/platforms/SPC5xx/LINFlex_v1

104
os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c Normal file
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@ -0,0 +1,104 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file SPC5xx/SIUL_v1/pal_lld.c
* @brief SPC5xx SIUL low level driver code.
*
* @addtogroup PAL
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_PAL || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief SPC5xx I/O ports configuration.
*
* @param[in] config the STM32 ports configuration
*
* @notapi
*/
void _pal_lld_init(const PALConfig *config) {
unsigned i;
/* TODO: Replace 107 with a platform-specific constant.*/
for (i = 0; i <= 107; i++)
SIU.PCR[i].R = config->default_mode;
i = 0;
while (config->pcrs[i].pcr_value != 0) {
SIU.PCR[config->pcrs[i].pcr_index].R = config->pcrs[i].pcr_value;
i++;
}
/* TODO: Replace 35 with a platform-specific constant.*/
for (i = 0; i <= 35; i++)
SIU.PSMI[i].R = config->padsels[i];
}
/**
* @brief Pads mode setup.
* @details This function programs a pads group belonging to the same port
* with the specified mode.
*
* @param[in] port the port identifier
* @param[in] mask the group mask
* @param[in] mode the mode
*
* @notapi
*/
void _pal_lld_setgroupmode(ioportid_t port,
ioportmask_t mask,
iomode_t mode) {
(void)port;
(void)mask;
(void)mode;
}
#endif /* HAL_USE_PAL */
/** @} */

320
os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h Normal file
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@ -0,0 +1,320 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file SPC5xx/SIUL_v1//pal_lld.h
* @brief SPC5xx SIUL low level driver header.
*
* @addtogroup PAL
* @{
*/
#ifndef _PAL_LLD_H_
#define _PAL_LLD_H_
#if HAL_USE_PAL || defined(__DOXYGEN__)
/*===========================================================================*/
/* Unsupported modes and specific modes */
/*===========================================================================*/
#undef PAL_MODE_RESET
#undef PAL_MODE_UNCONNECTED
#undef PAL_MODE_INPUT
#undef PAL_MODE_INPUT_PULLUP
#undef PAL_MODE_INPUT_PULLDOWN
#undef PAL_MODE_INPUT_ANALOG
#undef PAL_MODE_OUTPUT_PUSHPULL
#undef PAL_MODE_OUTPUT_OPENDRAIN
/**
* @name SIUL-specific PAL modes
* @{
*/
#define PAL_SPC5_SMC (1U << 14)
#define PAL_SPC5_APC (1U << 13)
#define PAL_SPC5_PA_MASK (3U << 10)
#define PAL_SPC5_PA(n) ((n) << 10)
#define PAL_SPC5_OBE (1U << 9)
#define PAL_SPC5_IBE (1U << 8)
#define PAL_SPC5_ODE (1U << 5)
#define PAL_SPC5_SRC (1U << 2)
#define PAL_SPC5_WPE (1U << 1)
#define PAL_SPC5_WPS (1U << 0)
/** @} */
/**
* @name Pads mode constants
* @{
*/
/**
* @brief After reset state.
*/
#define PAL_MODE_RESET 0
/**
* @brief Safe state for <b>unconnected</b> pads.
*/
#define PAL_MODE_UNCONNECTED (PAL_SPC5_WPE | PAL_SPC5_WPS)
/**
* @brief Regular input high-Z pad.
*/
#define PAL_MODE_INPUT (PAL_SPC5_IBE)
/**
* @brief Input pad with weak pull up resistor.
*/
#define PAL_MODE_INPUT_PULLUP (PAL_SPC5_IBE |PAL_SPC5_WPE | \
PAL_SPC5_WPS)
/**
* @brief Input pad with weak pull down resistor.
*/
#define PAL_MODE_INPUT_PULLDOWN (PAL_SPC5_IBE |PAL_SPC5_WPE)
/**
* @brief Analog input mode.
*/
#define PAL_MODE_INPUT_ANALOG PAL_SPC5_APC
/**
* @brief Push-pull output pad.
*/
#define PAL_MODE_OUTPUT_PUSHPULL (PAL_SPC5_IBE | PAL_SPC5_OBE)
/**
* @brief Open-drain output pad.
*/
#define PAL_MODE_OUTPUT_OPENDRAIN (PAL_SPC5_IBE | PAL_SPC5_OBE | \
PAL_SPC5_ODE)
/** @} */
/*===========================================================================*/
/* I/O Ports Types and constants. */
/*===========================================================================*/
/**
* @brief Width, in bits, of an I/O port.
*/
#define PAL_IOPORTS_WIDTH 32
/**
* @brief Whole port mask.
* @brief This macro specifies all the valid bits into a port.
*/
#define PAL_WHOLE_PORT ((ioportmask_t)0xFFFFFFFF)
/**
* @brief Digital I/O port sized unsigned type.
*/
typedef uint32_t ioportmask_t;
/**
* @brief Digital I/O modes.
*/
typedef uint16_t iomode_t;
/**
* @brief Port Identifier.
* @details This type can be a scalar or some kind of pointer, do not make
* any assumption about it, use the provided macros when populating
* variables of this type.
*/
typedef uint32_t ioportid_t;
/**
* @brief PCR register initializer type.
*/
typedef struct {
uint16_t pcr_index;
iomode_t pcr_value;
} spc560p_pcr_init_t;
/**
* @brief Generic I/O ports static initializer.
* @details An instance of this structure must be passed to @p palInit() at
* system startup time in order to initialized the digital I/O
* subsystem. This represents only the initial setup, specific pads
* or whole ports can be reprogrammed at later time.
* @note Implementations may extend this structure to contain more,
* architecture dependent, fields.
*/
typedef struct {
iomode_t default_mode;
const spc560p_pcr_init_t *pcrs;
const uint8_t *padsels;
} PALConfig;
/*===========================================================================*/
/* I/O Ports Identifiers. */
/*===========================================================================*/
/**
* @brief I/O port 1 identifier.
*/
#define IOPORT1 0
/**
* @brief I/O port 2 identifier.
*/
#define IOPORT2 1
/**
* @brief I/O port 3 identifier.
*/
#define IOPORT3 2
/**
* @brief I/O port 4 identifier.
*/
#define IOPORT4 3
/*===========================================================================*/
/* Implementation, some of the following macros could be implemented as */
/* functions, if so please put them in pal_lld.c. */
/*===========================================================================*/
/**
* @brief Low level PAL subsystem initialization.
*
* @param[in] config architecture-dependent ports configuration
*
* @notapi
*/
#define pal_lld_init(config) _pal_lld_init(config)
/**
* @brief Reads the physical I/O port states.
*
* @param[in] port port identifier
* @return The port bits.
*
* @notapi
*/
#define pal_lld_readport(port) (SIU.PGPDI[port].R)
/**
* @brief Reads the output latch.
* @details The purpose of this function is to read back the latched output
* value.
*
* @param[in] port port identifier
* @return The latched logical states.
*
* @notapi
*/
#define pal_lld_readlatch(port) (SIU.PGPDO[port].R)
/**
* @brief Writes a bits mask on a I/O port.
*
* @param[in] port port identifier
* @param[in] bits bits to be written on the specified port
*
* @notapi
*/
#define pal_lld_writeport(port, bits) (SIU.PGPDO[port].R = (bits))
/**
* @brief Pads group mode setup.
* @details This function programs a pads group belonging to the same port
* with the specified mode.
* @note Programming an unknown or unsupported mode is silently ignored.
*
* @param[in] port port identifier
* @param[in] mask group mask
* @param[in] offset group bit offset within the port
* @param[in] mode group mode
*
* @notapi
*/
#define pal_lld_setgroupmode(port, mask, offset, mode) \
_pal_lld_setgroupmode(port, mask << offset, mode)
/**
* @brief Reads a logical state from an I/O pad.
* @note The @ref PAL provides a default software implementation of this
* functionality, implement this function if can optimize it by using
* special hardware functionalities or special coding.
*
* @param[in] port port identifier
* @param[in] pad pad number within the port
* @return The logical state.
* @retval PAL_LOW low logical state.
* @retval PAL_HIGH high logical state.
*
* @notapi
*/
#define pal_lld_readpad(port, pad) \
(SIU.GPDI.R[((port) * 32) + (15 - (pad))])
/**
* @brief Writes a logical state on an output pad.
* @note This function is not meant to be invoked directly by the
* application code.
* @note The @ref PAL provides a default software implementation of this
* functionality, implement this function if can optimize it by using
* special hardware functionalities or special coding.
*
* @param[in] port port identifier
* @param[in] pad pad number within the port
* @param[in] bit logical value, the value must be @p PAL_LOW or
* @p PAL_HIGH
*
* @notapi
*/
#define pal_lld_writepad(port, pad, bit) \
(SIU.GPDO.R[((port) * 32) + (15 - (pad))] = (bit))
/**
* @brief Pad mode setup.
* @details This function programs a pad with the specified mode.
* @note The @ref PAL provides a default software implementation of this
* functionality, implement this function if can optimize it by using
* special hardware functionalities or special coding.
* @note Programming an unknown or unsupported mode is silently ignored.
*
* @param[in] port port identifier
* @param[in] pad pad number within the port
* @param[in] mode pad mode
*
* @notapi
*/
#define pal_lld_setpadmode(port, pad, mode)
extern const PALConfig pal_default_config;
#ifdef __cplusplus
extern "C" {
#endif
void _pal_lld_init(const PALConfig *config);
void _pal_lld_setgroupmode(ioportid_t port,
ioportmask_t mask,
iomode_t mode);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_PAL */
#endif /* _PAL_LLD_H_ */
/** @} */