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omap uart problem fix

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This commit is contained in:
Christophe De Wagter
2013-08-22 10:07:52 +02:00
parent 65676964cf
commit 846ab96374
1 changed files with 15 additions and 5 deletions
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sw/airborne/arch/omap/mcu_periph/uart_arch.c
+15 -5
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@@ -33,6 +33,9 @@
#include "fms/fms_serial_port.h" #include "fms/fms_serial_port.h"
// #define TRACE(fmt,args...) fprintf(stderr, fmt, args)
#define TRACE(fmt,args...)
void uart_periph_set_baudrate(struct uart_periph* p, uint32_t baud) { void uart_periph_set_baudrate(struct uart_periph* p, uint32_t baud) {
struct FmsSerialPort* fmssp; struct FmsSerialPort* fmssp;
@@ -48,8 +51,13 @@ void uart_periph_set_baudrate(struct uart_periph* p, uint32_t baud) {
p->reg_addr = (void*)fmssp; p->reg_addr = (void*)fmssp;
//TODO: set device name in application and pass as argument //TODO: set device name in application and pass as argument
// FIXME: baudrate B9600 defined double
printf("opening %s on uart0 at %d\n",p->dev,baud); printf("opening %s on uart0 at %d\n",p->dev,baud);
serial_port_open_raw(fmssp,p->dev,baud); int ret = serial_port_open_raw(fmssp,p->dev,baud);
if (ret != 0)
{
TRACE("Error opening %s code %d\n",p->dev,ret);
}
} }
void uart_transmit(struct uart_periph* p, uint8_t data ) { void uart_transmit(struct uart_periph* p, uint8_t data ) {
@@ -66,11 +74,13 @@ void uart_transmit(struct uart_periph* p, uint8_t data ) {
else { // no, set running flag and write to output register else { // no, set running flag and write to output register
p->tx_running = TRUE; p->tx_running = TRUE;
struct FmsSerialPort* fmssp = (struct FmsSerialPort*)(p->reg_addr); struct FmsSerialPort* fmssp = (struct FmsSerialPort*)(p->reg_addr);
write((int)(fmssp->fd),&data,1); int ret = write((int)(fmssp->fd),&data,1);
//printf("w %x\n",data); TRACE("w %x [%d]\n",data,ret);
} }
} }
#include <errno.h>
static inline void uart_handler(struct uart_periph* p) { static inline void uart_handler(struct uart_periph* p) {
unsigned char c='D'; unsigned char c='D';
@@ -81,8 +91,8 @@ static inline void uart_handler(struct uart_periph* p) {
// check if more data to send // check if more data to send
if (p->tx_insert_idx != p->tx_extract_idx) { if (p->tx_insert_idx != p->tx_extract_idx) {
write(fd,&(p->tx_buf[p->tx_extract_idx]),1); int ret = write(fd,&(p->tx_buf[p->tx_extract_idx]),1);
//printf("w %x\n",p->tx_buf[p->tx_extract_idx]); TRACE("w %x [%d: %s]\n",p->tx_buf[p->tx_extract_idx],ret,strerror(errno));
p->tx_extract_idx++; p->tx_extract_idx++;
p->tx_extract_idx %= UART_TX_BUFFER_SIZE; p->tx_extract_idx %= UART_TX_BUFFER_SIZE;
} }