git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@720 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2009-02-05 19:51:35 +00:00
parent aeeba9cf94
commit d0eaffef7c
5 changed files with 90 additions and 24 deletions

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@ -82,7 +82,7 @@ void hwinit(void) {
/* /*
* Other subsystems. * Other subsystems.
*/ */
InitSerial(); msp430_serial_init();
} }
CH_IRQ_HANDLER(TIMERA0_VECTOR) { CH_IRQ_HANDLER(TIMERA0_VECTOR) {

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@ -106,7 +106,7 @@
/** @} */ /** @} */
/** /**
* @defgroup ARMCM3_NVIC NVIC support * @defgroup ARMCM3_NVIC NVIC Support
* @{ * @{
* @brief ARM Cortex-M3 NVIC support. * @brief ARM Cortex-M3 NVIC support.
* *

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@ -17,6 +17,13 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
/**
* @file ports/MSP430/msp430_serial.c
* @brief MSP430 Serial driver code.
* @addtogroup MSP430_SERIAL
* @{
*/
#include <ch.h> #include <ch.h>
#include <signal.h> #include <signal.h>
@ -39,8 +46,11 @@ static void SetError(uint8_t urctl, FullDuplexDriver *com) {
chSysUnlockFromIsr(); chSysUnlockFromIsr();
} }
#ifdef USE_MSP430_USART0 #if USE_MSP430_USART0 || defined(__DOXYGEN__)
/** @brief USART0 serial driver identifier.*/
FullDuplexDriver COM1; FullDuplexDriver COM1;
static uint8_t ib1[SERIAL_BUFFERS_SIZE]; static uint8_t ib1[SERIAL_BUFFERS_SIZE];
static uint8_t ob1[SERIAL_BUFFERS_SIZE]; static uint8_t ob1[SERIAL_BUFFERS_SIZE];
@ -88,9 +98,13 @@ static void OutNotify1(void) {
} }
} }
/* /**
* USART setup, must be invoked with interrupts disabled. * @brief USART0 setup.
* NOTE: Does not reset I/O queues. * @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 SetUSART0(uint16_t div, uint8_t mod, uint8_t ctl) { void SetUSART0(uint16_t div, uint8_t mod, uint8_t ctl) {
@ -111,8 +125,11 @@ void SetUSART0(uint16_t div, uint8_t mod, uint8_t ctl) {
} }
#endif /* USE_MSP430_USART0 */ #endif /* USE_MSP430_USART0 */
#ifdef USE_MSP430_USART1 #if USE_MSP430_USART1 || defined(__DOXYGEN__)
/** @brief USART1 serial driver identifier.*/
FullDuplexDriver COM2; FullDuplexDriver COM2;
static uint8_t ib2[SERIAL_BUFFERS_SIZE]; static uint8_t ib2[SERIAL_BUFFERS_SIZE];
static uint8_t ob2[SERIAL_BUFFERS_SIZE]; static uint8_t ob2[SERIAL_BUFFERS_SIZE];
@ -158,9 +175,13 @@ static void OutNotify2(void) {
} }
} }
/* /**
* USART setup, must be invoked with interrupts disabled. * @brief USART1 setup.
* NOTE: Does not reset I/O queues. * @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 U1MCTL register.
* @param ctl The value for the @p U1CTL register.
* @note Does not reset the I/O queues.
*/ */
void SetUSART1(uint16_t div, uint8_t mod, uint8_t ctl) { void SetUSART1(uint16_t div, uint8_t mod, uint8_t ctl) {
@ -181,16 +202,22 @@ void SetUSART1(uint16_t div, uint8_t mod, uint8_t ctl) {
} }
#endif #endif
void InitSerial(void) { /**
* @brief Serial driver initialization.
* @note The serial ports are initialized at @p 38400-8-N-1 by default.
*/
void msp430_serial_init(void) {
/* I/O queues setup.*/ /* I/O queues setup.*/
#ifdef USE_MSP430_USART0 #if USE_MSP430_USART0
chFDDInit(&COM1, ib1, sizeof ib1, NULL, ob1, sizeof ob1, OutNotify1); chFDDInit(&COM1, ib1, sizeof ib1, NULL, ob1, sizeof ob1, OutNotify1);
SetUSART0(UBR(38400), 0, CHAR); SetUSART0(UBR(38400), 0, CHAR);
#endif #endif
#ifdef USE_MSP430_USART1 #if USE_MSP430_USART1
chFDDInit(&COM2, ib2, sizeof ib2, NULL, ob2, sizeof ob2, OutNotify2); chFDDInit(&COM2, ib2, sizeof ib2, NULL, ob2, sizeof ob2, OutNotify2);
SetUSART1(UBR(38400), 0, CHAR); SetUSART1(UBR(38400), 0, CHAR);
#endif #endif
} }
/** @} */

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@ -17,33 +17,64 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
/**
* @file ports/MSP430/msp430_serial.h
* @brief MSP430 Serial driver macros and structures.
* @addtogroup MSP430_SERIAL
* @{
*/
#ifndef _MSP430_SERIAL_H_ #ifndef _MSP430_SERIAL_H_
#define _MSP430_SERIAL_H_ #define _MSP430_SERIAL_H_
/* /**
* Configuration parameter, you can change the depth of the queue buffers * @brief Serial buffers size.
* depending on the requirements of your application. * @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.
*/ */
#ifndef SERIAL_BUFFERS_SIZE
#define SERIAL_BUFFERS_SIZE 32 #define SERIAL_BUFFERS_SIZE 32
#endif
#define USE_MSP430_USART0 /**
//#define USE_MSP430_USART1 * @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
/* /**
* Macro for baud rate computation. * @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)) #define UBR(b) (SMCLK / (b))
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
void InitSerial(void); void msp430_serial_init(void);
void SetUSART0(uint16_t div, uint8_t mod, uint8_t ctl); void SetUSART0(uint16_t div, uint8_t mod, uint8_t ctl);
void SetUSART1(uint16_t div, uint8_t mod, uint8_t ctl); void SetUSART1(uint16_t div, uint8_t mod, uint8_t ctl);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
/** @cond never*/
extern FullDuplexDriver COM1, COM2; extern FullDuplexDriver COM1, COM2;
/** @endcond*/
#endif /* _MSP430_SERIAL_H_ */ #endif /* _MSP430_SERIAL_H_ */
/** @} */

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@ -65,8 +65,16 @@
* @brief MSP430 specific port code, structures and macros. * @brief MSP430 specific port code, structures and macros.
* *
* @ingroup MSP430 * @ingroup MSP430
* @file ports/MSP430/chtypes.h Port types. */
* @file ports/MSP430/chcore.h Port related structures and macros. /** @} */
* @file ports/MSP430/chcore.c Port related code.
/**
* @defgroup MSP430_SERIAL USART Support
* @{
* @brief MSP430 USART support.
* @details The serial driver supports both the MSP430 USARTs in asynchronous
* mode.
*
* @ingroup MSP430_CORE
*/ */
/** @} */ /** @} */