diff options
| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-09-17 15:50:29 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-09-17 15:50:29 +0000 |
| commit | eefe7fbc1bd9cf3f50e580ff44f977a08dafa107 (patch) | |
| tree | ebab7b90d54e034df560ba0379a7f0720c7d1a78 /testhal/STM32L1xx/UART/main.c | |
| parent | 68a4911f7341c86752e50d1d2498698fa2c466db (diff) | |
| download | ChibiOS-eefe7fbc1bd9cf3f50e580ff44f977a08dafa107.tar.gz ChibiOS-eefe7fbc1bd9cf3f50e580ff44f977a08dafa107.tar.bz2 ChibiOS-eefe7fbc1bd9cf3f50e580ff44f977a08dafa107.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3328 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32L1xx/UART/main.c')
| -rw-r--r-- | testhal/STM32L1xx/UART/main.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/testhal/STM32L1xx/UART/main.c b/testhal/STM32L1xx/UART/main.c new file mode 100644 index 000000000..87efcab74 --- /dev/null +++ b/testhal/STM32L1xx/UART/main.c @@ -0,0 +1,147 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+static VirtualTimer vt1, vt2;
+
+static void restart(void *p) {
+
+ (void)p;
+ uartStartSendI(&UARTD1, 14, "Hello World!\r\n");
+}
+
+static void ledoff(void *p) {
+
+ (void)p;
+ palSetPad(GPIOB, GPIOB_LED4);
+}
+
+/*
+ * This callback is invoked when a transmission buffer has been completely
+ * read by the driver.
+ */
+static void txend1(UARTDriver *uartp) {
+
+ (void)uartp;
+ palClearPad(GPIOB, GPIOB_LED4);
+}
+
+/*
+ * This callback is invoked when a transmission has physically completed.
+ */
+static void txend2(UARTDriver *uartp) {
+
+ (void)uartp;
+ palSetPad(GPIOB, GPIOB_LED4);
+ chSysLockFromIsr();
+ if (chVTIsArmedI(&vt1))
+ chVTResetI(&vt1);
+ chVTSetI(&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(GPIOB, GPIOB_LED4);
+ chSysLockFromIsr();
+ if (chVTIsArmedI(&vt2))
+ chVTResetI(&vt2);
+ chVTSetI(&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 2 using the driver default configuration.
+ * PA9 and PA10 are routed to USART1.
+ */
+ uartStart(&UARTD1, &uart_cfg_1);
+ palSetPadMode(GPIOA, 9, PAL_MODE_ALT_OUTPUT_PUSHPULL(7));
+ palSetPadMode(GPIOA, 10, PAL_MODE_ALT_INPUT(7));
+
+ /*
+ * Starts the transmission, it will be handled entirely in background.
+ */
+ uartStartSend(&UARTD1, 13, "Starting...\r\n");
+
+ /*
+ * Normal main() thread activity, in this demo it does nothing.
+ */
+ while (TRUE) {
+ chThdSleepMilliseconds(500);
+ }
+ return 0;
+}
|