aboutsummaryrefslogtreecommitdiffstats
path: root/demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c')
-rw-r--r--demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c b/demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c
new file mode 100644
index 000000000..f2431faee
--- /dev/null
+++ b/demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c
@@ -0,0 +1,70 @@
+/*
+ ChibiOS - Copyright (C) 2006..2015 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 "hal.h"
+#include "osapi.h"
+
+/*
+ * This is a periodic thread that does absolutely nothing except flashing
+ * a LED.
+ * Note, the working area is created using ChibiOS/RT macro because alignment
+ * constraints.
+ */
+static THD_WORKING_AREA(wa_blinker, 128);
+static void blinker(void) {
+
+ OS_TaskRegister();
+
+ while (true) {
+ palSetPad(GPIOD, GPIOD_LED3); /* Orange. */
+ OS_TaskDelay(500);
+ palClearPad(GPIOD, GPIOD_LED3); /* Orange. */
+ OS_TaskDelay(500);
+ }
+}
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+ uint32 blinker_id;
+
+ /* HAL initialization, this also initializes the configured device drivers
+ and performs the board-specific initializations.*/
+ halInit();
+
+ /* OS initialization.*/
+ (void) OS_API_Init();
+
+ /* Activates the serial driver 2 using the driver default configuration.
+ PA2(TX) and PA3(RX) are routed to USART2.*/
+ sdStart(&SD2, NULL);
+ palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));
+ palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7));
+
+ /* Starting the blinker thread.*/
+ (void) OS_TaskCreate(&blinker_id, "blinker", blinker,
+ (uint32 *)wa_blinker, sizeof wa_blinker,
+ 128, 0);
+
+ /* In the ChibiOS/RT OSAL implementation the main() function is an
+ usable thread with priority 128 (NORMALPRIO), here we just sleep
+ in a loop printing a message on the serial port.*/
+ while (true) {
+ sdWrite(&SD2, (uint8_t *)"Hello World!\r\n", 14);
+ OS_TaskDelay(500);
+ }
+}