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stm32f1: implement missing UART0 parts

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This commit is contained in:
Thomas Eichinger 2014-07-24 20:08:32 +02:00
parent d50f43e9f5
commit b86b78bcb2
2 changed files with 20 additions and 0 deletions
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16
cpu/stm32f1/periph/uart.c
View File

@ -29,6 +29,10 @@
#include "sched.h" #include "sched.h"
#include "thread.h" #include "thread.h"
#ifdef MODULE_UART0
#include "board_uart0.h"
#endif
/** /**
* @brief Each UART device has to store two callbacks. * @brief Each UART device has to store two callbacks.
@ -300,14 +304,26 @@ static inline void irq_handler(uint8_t uartnum, USART_TypeDef *dev)
{ {
if (dev->SR & USART_SR_RXNE) { if (dev->SR & USART_SR_RXNE) {
char data = (char)dev->DR; char data = (char)dev->DR;
#ifdef MODULE_UART0
if (uart0_handler_pid) {
uart0_handle_incoming(data);
uart0_notify_thread();
}
#else
config[uartnum].rx_cb(data); config[uartnum].rx_cb(data);
#endif
} }
else if (dev->SR & USART_SR_ORE) { else if (dev->SR & USART_SR_ORE) {
/* ORE is cleared by reading SR and DR sequentially */ /* ORE is cleared by reading SR and DR sequentially */
dev->DR; dev->DR;
} }
else if (dev->SR & USART_SR_TXE) { else if (dev->SR & USART_SR_TXE) {
#ifdef MODULE_UART0
dev->SR &= ~(USART_SR_TXE);
#else
config[uartnum].tx_cb(); config[uartnum].tx_cb();
#endif
} }
if (sched_context_switch_request) { if (sched_context_switch_request) {

4
cpu/stm32f1/syscalls.c
View File

@ -45,7 +45,11 @@ caddr_t heap_top = (caddr_t)&_end + 4;
*/ */
void _init(void) void _init(void)
{ {
#ifdef MODULE_UART0
uart_init(UART_0, 115200, NULL, NULL);
#else
uart_init_blocking(UART_0, 115200); uart_init_blocking(UART_0, 115200);
#endif
} }
/** /**