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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-05-07 10:44:43 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-05-07 10:44:43 +0000 |
| commit | eefaedd59cccaeddcde8f54f89c98a26cc570e82 (patch) | |
| tree | dc4f07d0b2274ae46865fce952d1750ea187f7db /testhal/STM32/STM32F37x/UART/main.c | |
| parent | 084e1f7b5ad7cb86cbe68eb7e1749f7750c89ce3 (diff) | |
| download | ChibiOS-eefaedd59cccaeddcde8f54f89c98a26cc570e82.tar.gz ChibiOS-eefaedd59cccaeddcde8f54f89c98a26cc570e82.tar.bz2 ChibiOS-eefaedd59cccaeddcde8f54f89c98a26cc570e82.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6920 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32/STM32F37x/UART/main.c')
| -rw-r--r-- | testhal/STM32/STM32F37x/UART/main.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/testhal/STM32/STM32F37x/UART/main.c b/testhal/STM32/STM32F37x/UART/main.c new file mode 100644 index 000000000..ddba3eed7 --- /dev/null +++ b/testhal/STM32/STM32F37x/UART/main.c @@ -0,0 +1,140 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+static virtual_timer_t vt1, vt2;
+
+static void restart(void *p) {
+
+ (void)p;
+
+ chSysLockFromISR();
+ uartStartSendI(&UARTD2, 14, "Hello World!\r\n");
+ chSysUnlockFromISR();
+}
+
+static void ledoff(void *p) {
+
+ (void)p;
+ palSetPad(GPIOC, GPIOC_LED1);
+}
+
+/*
+ * This callback is invoked when a transmission buffer has been completely
+ * read by the driver.
+ */
+static void txend1(UARTDriver *uartp) {
+
+ (void)uartp;
+ palSetPad(GPIOC, GPIOC_LED1);
+}
+
+/*
+ * This callback is invoked when a transmission has physically completed.
+ */
+static void txend2(UARTDriver *uartp) {
+
+ (void)uartp;
+ palSetPad(GPIOC, GPIOC_LED1);
+ chSysLockFromISR();
+ chVTResetI(&vt1);
+ chVTDoSetI(&vt1, MS2ST(5000), restart, NULL);
+ chSysUnlockFromISR();
+}
+
+/*
+ * This callback is invoked on a receive error, the errors mask is passed
+ * as parameter.
+ */
+static void rxerr(UARTDriver *uartp, uartflags_t e) {
+
+ (void)uartp;
+ (void)e;
+}
+
+/*
+ * This callback is invoked when a character is received but the application
+ * was not ready to receive it, the character is passed as parameter.
+ */
+static void rxchar(UARTDriver *uartp, uint16_t c) {
+
+ (void)uartp;
+ (void)c;
+ /* Flashing the LED each time a character is received.*/
+ palClearPad(GPIOC, GPIOC_LED1);
+ chSysLockFromISR();
+ chVTResetI(&vt2);
+ chVTDoSetI(&vt2, MS2ST(200), ledoff, NULL);
+ chSysUnlockFromISR();
+}
+
+/*
+ * This callback is invoked when a receive buffer has been completely written.
+ */
+static void rxend(UARTDriver *uartp) {
+
+ (void)uartp;
+}
+
+/*
+ * UART driver configuration structure.
+ */
+static UARTConfig uart_cfg_1 = {
+ txend1,
+ txend2,
+ rxend,
+ rxchar,
+ rxerr,
+ 38400,
+ 0,
+ USART_CR2_LINEN,
+ 0
+};
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+
+ /*
+ * System initializations.
+ * - HAL initialization, this also initializes the configured device drivers
+ * and performs the board-specific initializations.
+ * - Kernel initialization, the main() function becomes a thread and the
+ * RTOS is active.
+ */
+ halInit();
+ chSysInit();
+
+ /*
+ * Activates the serial driver 1, PA9 and PA10 are routed to USART2.
+ */
+ uartStart(&UARTD2, &uart_cfg_1);
+
+ /*
+ * Starts the transmission, it will be handled entirely in background.
+ */
+ uartStartSend(&UARTD2, 13, "Starting...\r\n");
+
+ /*
+ * Normal main() thread activity, in this demo it does nothing.
+ */
+ while (TRUE) {
+ chThdSleepMilliseconds(500);
+ }
+}
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