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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1102 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2009-08-21 13:11:31 +00:00
parent 9d359d8a3b
commit b19be5d31d
11 changed files with 469 additions and 314 deletions
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6
demos/MSP430-MSP430x1611-GCC/Makefile
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@ -48,8 +48,9 @@ CSRC = ${PORTSRC} \
${KERNSRC} \
${TESTSRC} \
../../os/io/pal.c \
../../os/ports/GCC/MSP430/pal_lld.c \
../../os/ports/GCC/MSP430/msp430_serial.c \
../../os/io/serial.c \
../../os/io/platforms/MSP430/pal_lld.c \
../../os/io/platforms/MSP430/serial_lld.c \
../../os/various/evtimer.c \
board.c main.c
@ -61,6 +62,7 @@ ASMSRC = $(PORTASM)
INCDIR = $(PORTINC) $(KERNINC) $(TESTINC) \
../../os/io \
../../os/io/platforms/MSP430 \
../../os/various
#

4
demos/MSP430-MSP430x1611-GCC/board.c
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@ -19,11 +19,11 @@
#include <ch.h>
#include <pal.h>
#include <serial.h>
#include <signal.h>
#include "board.h"
#include "msp430_serial.h"
/*
* Digital I/O ports static configuration as defined in @p board.h.
@ -75,7 +75,7 @@ void hwinit(void) {
/*
* Other subsystems.
*/
serial_init();
sdInit();
}
CH_IRQ_HANDLER(TIMERA0_VECTOR) {

7
demos/MSP430-MSP430x1611-GCC/main.c
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@ -19,10 +19,10 @@
#include <ch.h>
#include <pal.h>
#include <serial.h>
#include <test.h>
#include "board.h"
#include "msp430_serial.h"
/*
* Red LEDs blinker thread, times are in milliseconds.
@ -49,6 +49,11 @@ int main(int argc, char **argv) {
*/
hwinit();
/*
* Activates the communication port 1 using the driver default configuration.
*/
sdStart(&COM1, NULL);
/*
* The main() function becomes a thread here then the interrupts are
* enabled and ChibiOS/RT goes live.

4
os/io/platforms/AT91SAM7X/serial_lld.h
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@ -138,10 +138,10 @@ typedef struct {
/*===========================================================================*/
/** @cond never*/
#if defined(USE_SAM7X_USART0)
#if USE_SAM7X_USART0
extern SerialDriver COM1;
#endif
#if defined(USE_SAM7X_USART1)
#if USE_SAM7X_USART1
extern SerialDriver COM2;
#endif

0
os/ports/GCC/MSP430/pal_lld.c → os/io/platforms/MSP430/pal_lld.c
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0
os/ports/GCC/MSP430/pal_lld.h → os/io/platforms/MSP430/pal_lld.h
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0
os/ports/GCC/MSP430/port.dox → os/io/platforms/MSP430/platform.dox
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292
os/io/platforms/MSP430/serial_lld.c Normal file
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@ -0,0 +1,292 @@
/*
ChibiOS/RT - Copyright (C) 2006-2007 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 templates/serial_lld.c
* @brief Serial Driver subsystem low level driver source template
* @addtogroup SERIAL_LLD
* @{
*/
#include <ch.h>
#include <serial.h>
#include <signal.h>
#include "board.h"
#if USE_MSP430_USART0 || defined(__DOXYGEN__)
/** @brief USART0 serial driver identifier.*/
SerialDriver COM1;
#endif
#if USE_MSP430_USART1 || defined(__DOXYGEN__)
/** @brief USART1 serial driver identifier.*/
SerialDriver COM2;
#endif
/** @brief Driver default configuration.*/
static const SerialDriverConfig default_config = {
UBR(DEFAULT_USART_BITRATE),
0,
CHAR
};
/*===========================================================================*/
/* Low Level Driver local functions. */
/*===========================================================================*/
static void set_error(uint8_t urctl, SerialDriver *sdp) {
sdflags_t sts = 0;
if (urctl & OE)
sts |= SD_OVERRUN_ERROR;
if (urctl & PE)
sts |= SD_PARITY_ERROR;
if (urctl & FE)
sts |= SD_FRAMING_ERROR;
if (urctl & BRK)
sts |= SD_BREAK_DETECTED;
chSysLockFromIsr();
sdAddFlagsI(sdp, sts);
chSysUnlockFromIsr();
}
#if USE_MSP430_USART0 || defined(__DOXYGEN__)
static void notify1(void) {
if (!(U0IE & UTXIE0)) {
chSysLockFromIsr();
U0TXBUF = (uint8_t)sdRequestDataI(&COM1);
chSysUnlockFromIsr();
U0IE |= UTXIE0;
}
}
/**
* @brief USART0 initialization.
* @param[in] config the architecture-dependent serial driver configuration
*/
void usart0_init(const SerialDriverConfig *config) {
U0CTL = SWRST; /* Resets the USART, it should already be.*/
/* USART init */
U0TCTL = SSEL0 | SSEL1; /* SMCLK as clock source.*/
U0MCTL = config->mod; /* Modulator.*/
U0BR1 = (uint8_t)(config->div >> 8); /* Divider high.*/
U0BR0 = (uint8_t)(config->div >> 0); /* Divider low.*/
/* Clear USART status.*/
(void)U0RXBUF;
U0RCTL = 0;
/* USART enable.*/
U0ME |= UTXE0 + URXE0; /* Enables the USART.*/
U0CTL = config->ctl & ~SWRST; /* Various settings, clears reset state.*/
U0IE |= URXIE0; /* Enables RX interrupt.*/
}
/**
* @brief USART0 de-initialization.
*/
void usart0_deinit(void) {
U0IE &= ~URXIE0;
U0CTL = SWRST;
}
#endif /* USE_MSP430_USART0 */
#if USE_MSP430_USART1 || defined(__DOXYGEN__)
static void notify2(void) {
if (!(U1IE & UTXIE1)) {
U1TXBUF = (uint8_t)sdRequestDataI(&COM2);
U1IE |= UTXIE1;
}
}
/**
* @brief USART1 initialization.
* @param[in] config the architecture-dependent serial driver configuration
*/
void usart1_init(const SerialDriverConfig *config) {
U1CTL = SWRST; /* Resets the USART, it should already be.*/
/* USART init.*/
U1TCTL = SSEL0 | SSEL1; /* SMCLK as clock source.*/
U1MCTL = config->mod; /* Modulator.*/
U1BR1 = (uint8_t)(config->div >> 8); /* Divider high.*/
U1BR0 = (uint8_t)(config->div >> 0); /* Divider low.*/
/* Clear USART status.*/
(void)U0RXBUF;
U1RCTL = 0;
/* USART enable.*/
U1ME |= UTXE0 + URXE0; /* Enables the USART.*/
U1CTL = config->ctl & ~SWRST; /* Various settings, clears reset state.*/
U1IE |= URXIE0; /* Enables RX interrupt.*/
}
/**
* @brief USART1 de-initialization.
*/
void usart1_deinit(void) {
U1IE &= ~URXIE0;
U1CTL = SWRST;
}
#endif /* USE_MSP430_USART1 */
/*===========================================================================*/
/* Low Level Driver interrupt handlers. */
/*===========================================================================*/
#if USE_MSP430_USART0 || defined(__DOXYGEN__)
CH_IRQ_HANDLER(USART0TX_VECTOR) {
msg_t b;
CH_IRQ_PROLOGUE();
chSysLockFromIsr();
b = sdRequestDataI(&COM1);
chSysUnlockFromIsr();
if (b < Q_OK)
U0IE &= ~UTXIE0;
else
U0TXBUF = b;
CH_IRQ_EPILOGUE();
}
CH_IRQ_HANDLER(USART0RX_VECTOR) {
uint8_t urctl;
CH_IRQ_PROLOGUE();
if ((urctl = U0RCTL) & RXERR)
set_error(urctl, &COM1);
chSysLockFromIsr();
sdIncomingDataI(&COM1, U0RXBUF);
chSysUnlockFromIsr();
CH_IRQ_EPILOGUE();
}
#endif /* USE_MSP430_USART0 */
#if USE_MSP430_USART1 || defined(__DOXYGEN__)
CH_IRQ_HANDLER(USART1TX_VECTOR) {
msg_t b;
CH_IRQ_PROLOGUE();
chSysLockFromIsr();
b = sdRequestDataI(&COM2);
chSysUnlockFromIsr();
if (b < Q_OK)
U1IE &= ~UTXIE1;
else
U1TXBUF = b;
CH_IRQ_EPILOGUE();
}
CH_IRQ_HANDLER(USART1RX_VECTOR) {
uint8_t urctl;
CH_IRQ_PROLOGUE();
if ((urctl = U1RCTL) & RXERR)
set_error(urctl, &COM2);
chSysLockFromIsr();
sdIncomingDataI(&COM2, U1RXBUF);
chSysUnlockFromIsr();
CH_IRQ_EPILOGUE();
}
#endif /* USE_MSP430_USART1 */
/*===========================================================================*/
/* Low Level Driver exported functions. */
/*===========================================================================*/
/**
* Low level serial driver initialization.
*/
void sd_lld_init(void) {
#if USE_MSP430_USART0
sdObjectInit(&COM1, NULL, notify1);
/* I/O pins for USART0.*/
P3SEL |= BV(4) + BV(5);
#endif
#if USE_MSP430_USART1
sdObjectInit(&COM2, NULL, notify2);
/* I/O pins for USART1.*/
P3SEL |= BV(6) + BV(7);
#endif
}
/**
* @brief Low level serial driver configuration and (re)start.
*
* @param[in] sdp pointer to a @p SerialDriver object
* @param[in] config the architecture-dependent serial driver configuration.
* If this parameter is set to @p NULL then a default
* configuration is used.
*/
void sd_lld_start(SerialDriver *sdp, const SerialDriverConfig *config) {
if (config == NULL)
config = &default_config;
#if USE_MSP430_USART0
if (&COM1 == sdp) {
usart0_init(config);
return;
}
#endif
#if USE_MSP430_USART1
if (&COM2 == sdp) {
usart1_init(config);
return;
}
#endif
}
/**
* @brief Low level serial driver stop.
* @details De-initializes the USART, stops the associated clock, resets the
* interrupt vector.
*
* @param[in] sdp pointer to a @p SerialDriver object
*/
void sd_lld_stop(SerialDriver *sdp) {
#if USE_MSP430_USART0
if (&COM1 == sdp) {
usart0_deinit();
return;
}
#endif
#if USE_MSP430_USART1
if (&COM2 == sdp) {
usart1_deinit();
return;
}
#endif
}
/** @} */

163
os/io/platforms/MSP430/serial_lld.h Normal file
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@ -0,0 +1,163 @@
/*
ChibiOS/RT - Copyright (C) 2006-2007 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 templates/serial_lld.h
* @brief Serial Driver subsystem low level driver header template
* @addtogroup SERIAL_LLD
* @{
*/
#ifndef _SERIAL_LLD_H_
#define _SERIAL_LLD_H_
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @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 32 bytes for both the transmission and receive buffers.
*/
#if !defined(SERIAL_BUFFERS_SIZE) || defined(__DOXYGEN__)
#define SERIAL_BUFFERS_SIZE 32
#endif
/**
* @brief Default bit rate.
* @details Configuration parameter, at startup the UARTs are configured at
* this speed.
*/
#if !defined(DEFAULT_USART_BITRATE) || defined(__DOXYGEN__)
#define DEFAULT_USART_BITRATE 38400
#endif
/**
* @brief USART0 driver enable switch.
* @details If set to @p TRUE the support for USART0 is included.
* @note The default is @p TRUE.
*/
#if !defined(USE_MSP430_USART0) || defined(__DOXYGEN__)
#define USE_MSP430_USART0 TRUE
#endif
/**
* @brief USART1 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
* @note The default is @p FALSE.
*/
#if !defined(USE_MSP430_USART1) || defined(__DOXYGEN__)
#define USE_MSP430_USART1 FALSE
#endif
/*===========================================================================*/
/* Unsupported event flags and custom events. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* Serial Driver condition flags type.
*/
typedef uint8_t sdflags_t;
/**
* @brief @p SerialDriver specific data.
*/
struct _serial_driver_data {
/**
* Input queue, incoming data can be read from this input queue by
* using the queues APIs.
*/
InputQueue iqueue;
/**
* Output queue, outgoing data can be written to this output queue by
* using the queues APIs.
*/
OutputQueue oqueue;
/**
* Status Change @p EventSource. This event is generated when one or more
* condition flags change.
*/
EventSource sevent;
/**
* I/O driver status flags.
*/
sdflags_t flags;
/**
* Input circular buffer.
*/
uint8_t ib[SERIAL_BUFFERS_SIZE];
/**
* Output circular buffer.
*/
uint8_t ob[SERIAL_BUFFERS_SIZE];
};
/**
* @brief Macro for baud rate computation.
* @note Make sure the final baud rate is within tolerance.
*/
#define UBR(b) (SMCLK / (b))
/**
* @brief Generic Serial Driver static initializer.
* @details An instance of this structure must be passed to @p sdStart()
* in order to configure and start a serial driver operations.
*
* @note This structure content is architecture dependent, each driver
* implementation defines its own version and the custom static
* initializers.
*/
typedef struct {
uint16_t div;
uint8_t mod;
uint8_t ctl;
} SerialDriverConfig;
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
/** @cond never*/
#if USE_MSP430_USART0
extern SerialDriver COM1;
#endif
#if USE_MSP430_USART1
extern SerialDriver COM2;
#endif
#ifdef __cplusplus
extern "C" {
#endif
void sd_lld_init(void);
void sd_lld_start(SerialDriver *sdp, const SerialDriverConfig *config);
void sd_lld_stop(SerialDriver *sdp);
#ifdef __cplusplus
}
#endif
/** @endcond*/
#endif /* _SERIAL_LLD_H_ */
/** @} */

216
os/ports/GCC/MSP430/msp430_serial.c
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@ -1,216 +0,0 @@
/*
ChibiOS/RT - Copyright (C) 2006-2007 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 MSP430/msp430_serial.c
* @brief MSP430 Serial driver code.
* @addtogroup MSP430_SERIAL
* @{
*/
#include <ch.h>
#include <signal.h>
#include "board.h"
#include "msp430_serial.h"
static void SetError(uint8_t urctl, FullDuplexDriver *com) {
dflags_t sts = 0;
if (urctl & OE)
sts |= SD_OVERRUN_ERROR;
if (urctl & PE)
sts |= SD_PARITY_ERROR;
if (urctl & FE)
sts |= SD_FRAMING_ERROR;
if (urctl & BRK)
sts |= SD_BREAK_DETECTED;
chSysLockFromIsr();
chFDDAddFlagsI(com, sts);
chSysUnlockFromIsr();
}
#if USE_MSP430_USART0 || defined(__DOXYGEN__)
/** @brief USART0 serial driver identifier.*/
FullDuplexDriver COM1;
static uint8_t ib1[SERIAL_BUFFERS_SIZE];
static uint8_t ob1[SERIAL_BUFFERS_SIZE];
CH_IRQ_HANDLER(USART0TX_VECTOR) {
msg_t b;
CH_IRQ_PROLOGUE();
chSysLockFromIsr();
b = chFDDRequestDataI(&COM1);
chSysUnlockFromIsr();
if (b < Q_OK)
U0IE &= ~UTXIE0;
else
U0TXBUF = b;
CH_IRQ_EPILOGUE();
}
CH_IRQ_HANDLER(USART0RX_VECTOR) {
uint8_t urctl;
CH_IRQ_PROLOGUE();
if ((urctl = U0RCTL) & RXERR)
SetError(urctl, &COM1);
chSysLockFromIsr();
chFDDIncomingDataI(&COM1, U0RXBUF);
chSysUnlockFromIsr();
CH_IRQ_EPILOGUE();
}
static void OutNotify1(void) {
if (!(U0IE & UTXIE0)) {
chSysLockFromIsr();
U0TXBUF = (uint8_t)chFDDRequestDataI(&COM1);
chSysUnlockFromIsr();
U0IE |= UTXIE0;
}
}
/**
* @brief USART0 setup.
* @details This function must be invoked with interrupts disabled.
* @param div The divider value as calculated by the @p UBR() macro.
* @param mod The value for the @p U0MCTL register.
* @param ctl The value for the @p U0CTL register.
* @note Does not reset the I/O queues.
*/
void usart0_setup(uint16_t div, uint8_t mod, uint8_t ctl) {
U0CTL = SWRST; /* Resets the USART, it should already be */
/* USART init */
U0TCTL = SSEL0 | SSEL1; /* SMCLK as clock source */
U0MCTL = mod; /* Modulator */
U0BR1 = (uint8_t)(div >> 8); /* Divider high */
U0BR0 = (uint8_t)(div >> 0); /* Divider low */
/* Clear USART status */
(void)U0RXBUF;
U0RCTL = 0;
/* USART enable */
P3SEL |= BV(4) + BV(5); /* I/O pins for USART 0 */
U0ME |= UTXE0 + URXE0; /* Enables the USART */
U0CTL = ctl & ~SWRST; /* Various settings, clears reset state */
U0IE |= URXIE0; /* Enables RX interrupt */
}
#endif /* USE_MSP430_USART0 */
#if USE_MSP430_USART1 || defined(__DOXYGEN__)
/** @brief USART1 serial driver identifier.*/
FullDuplexDriver COM2;
static uint8_t ib2[SERIAL_BUFFERS_SIZE];
static uint8_t ob2[SERIAL_BUFFERS_SIZE];
CH_IRQ_HANDLER(USART1TX_VECTOR) {
msg_t b;
CH_IRQ_PROLOGUE();
chSysLockFromIsr();
b = chFDDRequestDataI(&COM2);
chSysUnlockFromIsr();
if (b < Q_OK)
U1IE &= ~UTXIE1;
else
U1TXBUF = b;
CH_IRQ_EPILOGUE();
}
CH_IRQ_HANDLER(USART1RX_VECTOR) {
uint8_t urctl;
CH_IRQ_PROLOGUE();
if ((urctl = U1RCTL) & RXERR)
SetError(urctl, &COM2);
chSysLockFromIsr();
chFDDIncomingDataI(&COM2, U1RXBUF);
chSysUnlockFromIsr();
CH_IRQ_EPILOGUE();
}
static void OutNotify2(void) {
if (!(U1IE & UTXIE1)) {
U1TXBUF = (uint8_t)chFDDRequestDataI(&COM2);
U1IE |= UTXIE1;
}
}
/**
* @brief USART1 setup.
* @details This function must be invoked with interrupts disabled.
* @param[in] div the divider value as calculated by the @p UBR() macro
* @param[in] mod the value for the @p U1MCTL register
* @param[in] ctl the value for the @p U1CTL register.
* @note Must be invoked with interrupts disabled.
* @note Does not reset the I/O queues.
*/
void usart1_setup(uint16_t div, uint8_t mod, uint8_t ctl) {
U1CTL = SWRST; /* Resets the USART, it should already be */
/* USART init */
U1TCTL = SSEL0 | SSEL1; /* SMCLK as clock source */
U1MCTL = mod; /* Modulator */
U1BR1 = (uint8_t)(div >> 8); /* Divider high */
U1BR0 = (uint8_t)(div >> 0); /* Divider low */
/* Clear USART status */
(void)U0RXBUF;
U1RCTL = 0;
/* USART enable */
P3SEL |= BV(6) + BV(7); /* I/O pins for USART 1 */
U1ME |= UTXE0 + URXE0; /* Enables the USART */
U1CTL = ctl & ~SWRST; /* Various settings, clears reset state */
U1IE |= URXIE0; /* Enables RX interrupt */
}
#endif
/**
* @brief Serial driver initialization.
* @note The serial ports are initialized at @p 38400-8-N-1 by default.
*/
void serial_init(void) {
/* I/O queues setup.*/
#if USE_MSP430_USART0
chFDDInit(&COM1, ib1, sizeof ib1, NULL, ob1, sizeof ob1, OutNotify1);
usart0_setup(UBR(DEFAULT_USART_BITRATE), 0, CHAR);
#endif
#if USE_MSP430_USART1
chFDDInit(&COM2, ib2, sizeof ib2, NULL, ob2, sizeof ob2, OutNotify2);
usart1_setup(UBR(DEFAULT_USART_BITRATE), 0, CHAR);
#endif
}
/** @} */

91
os/ports/GCC/MSP430/msp430_serial.h
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@ -1,91 +0,0 @@
/*
ChibiOS/RT - Copyright (C) 2006-2007 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 MSP430/msp430_serial.h
* @brief MSP430 Serial driver macros and structures.
* @addtogroup MSP430_SERIAL
* @{
*/
#ifndef _MSP430_SERIAL_H_
#define _MSP430_SERIAL_H_
/**
* @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 32 bytes for both the transmission and receive buffers.
*/
#if !defined(SERIAL_BUFFERS_SIZE) || defined(__DOXYGEN__)
#define SERIAL_BUFFERS_SIZE 32
#endif
/**
* @brief Default bit rate.
* @details Configuration parameter, at startup the UARTs are configured at
* this speed.
* @note It is possible to use @p SetUART() in order to change the working
* parameters at runtime.
*/
#if !defined(DEFAULT_USART_BITRATE) || defined(__DOXYGEN__)
#define DEFAULT_USART_BITRATE 38400
#endif
/**
* @brief USART0 driver enable switch.
* @details If set to @p TRUE the support for USART0 is included.
* @note The default is @p TRUE.
*/
#if !defined(USE_MSP430_USART0) || defined(__DOXYGEN__)
#define USE_MSP430_USART0 TRUE
#endif
/**
* @brief USART1 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
* @note The default is @p FALSE.
*/
#if !defined(USE_MSP430_USART1) || defined(__DOXYGEN__)
#define USE_MSP430_USART1 FALSE
#endif
/**
* @brief Macro for baud rate computation.
* @note Make sure the final baud rate is within tolerance.
*/
#define UBR(b) (SMCLK / (b))
#ifdef __cplusplus
extern "C" {
#endif
void serial_init(void);
void usart0_setup(uint16_t div, uint8_t mod, uint8_t ctl);
void usart1_setup(uint16_t div, uint8_t mod, uint8_t ctl);
#ifdef __cplusplus
}
#endif
/** @cond never*/
extern FullDuplexDriver COM1, COM2;
/** @endcond*/
#endif /* _MSP430_SERIAL_H_ */
/** @} */