From d00602234f4d9eecbe3a0d4d49ae7a07902088f7 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Mon, 22 Feb 2016 13:13:23 +0000
Subject: NASA OSAL prototype.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8922 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c | 70 ++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c

(limited to 'demos/STM32/NASA-OSAL-STM32F407-DISCOVERY/main.c')

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);
+  }
+}
-- 
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