git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5399 35acf78f-673a-0410-8e92-d51de3d6d3f4
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@ -21,23 +21,29 @@
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#include "ch.h"
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#include "hal.h"
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static VirtualTimer vt1, vt2;
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static VirtualTimer vt3, vt4, vt5;
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static void restart(void *p) {
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static const uint8_t message[] = "0123456789ABCDEF";
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static uint8_t buffer[16];
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static void led3off(void *p) {
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(void)p;
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chSysLockFromIsr();
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uartStartSendI(&UARTD2, 14, "Hello World!\r\n");
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chSysUnlockFromIsr();
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palClearPad(GPIOD, GPIOD_LED3);
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}
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static void ledoff(void *p) {
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static void led4off(void *p) {
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(void)p;
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palClearPad(GPIOD, GPIOD_LED4);
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}
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static void led5off(void *p) {
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(void)p;
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palClearPad(GPIOD, GPIOD_LED5);
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}
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/*
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* This callback is invoked when a transmission buffer has been completely
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* read by the driver.
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@ -45,7 +51,6 @@ static void ledoff(void *p) {
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static void txend1(UARTDriver *uartp) {
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(void)uartp;
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palSetPad(GPIOD, GPIOD_LED4);
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}
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/*
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@ -54,11 +59,11 @@ static void txend1(UARTDriver *uartp) {
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static void txend2(UARTDriver *uartp) {
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(void)uartp;
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palClearPad(GPIOD, GPIOD_LED4);
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palSetPad(GPIOD, GPIOD_LED5);
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chSysLockFromIsr();
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if (chVTIsArmedI(&vt1))
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chVTResetI(&vt1);
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chVTSetI(&vt1, MS2ST(5000), restart, NULL);
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if (chVTIsArmedI(&vt5))
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chVTResetI(&vt5);
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chVTSetI(&vt5, MS2ST(200), led5off, NULL);
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chSysUnlockFromIsr();
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}
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@ -83,9 +88,9 @@ static void rxchar(UARTDriver *uartp, uint16_t c) {
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/* Flashing the LED each time a character is received.*/
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palSetPad(GPIOD, GPIOD_LED4);
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chSysLockFromIsr();
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if (chVTIsArmedI(&vt2))
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chVTResetI(&vt2);
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chVTSetI(&vt2, MS2ST(200), ledoff, NULL);
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if (chVTIsArmedI(&vt4))
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chVTResetI(&vt4);
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chVTSetI(&vt4, MS2ST(200), led4off, NULL);
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chSysUnlockFromIsr();
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}
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@ -95,6 +100,14 @@ static void rxchar(UARTDriver *uartp, uint16_t c) {
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static void rxend(UARTDriver *uartp) {
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(void)uartp;
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/* Flashing the LED each time a character is received.*/
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palSetPad(GPIOD, GPIOD_LED3);
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chSysLockFromIsr();
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if (chVTIsArmedI(&vt3))
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chVTResetI(&vt3);
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chVTSetI(&vt3, MS2ST(200), led3off, NULL);
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chSysUnlockFromIsr();
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}
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/*
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@ -134,15 +147,21 @@ int main(void) {
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palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));
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palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7));
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/*
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* Starts the transmission, it will be handled entirely in background.
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*/
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uartStartSend(&UARTD2, 13, "Starting...\r\n");
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/*
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* Normal main() thread activity, in this demo it does nothing.
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*/
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while (TRUE) {
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if (palReadPad(GPIOA, GPIOA_BUTTON)) {
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/*
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* Starts both a transmission and a receive operations, both will be
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* handled entirely in background.
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*/
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uartStopReceive(&UARTD2);
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uartStopSend(&UARTD2);
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uartStartReceive(&UARTD2, 16, buffer);
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uartStartSend(&UARTD2, 16, message);
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}
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chThdSleepMilliseconds(500);
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}
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}
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