From 4a38cf6f44d1c013cbe794093ea6c5b50337431a Mon Sep 17 00:00:00 2001 From: Paul Selkirk Date: Thu, 14 Apr 2016 18:50:38 -0400 Subject: import mbed rtos library --- projects/rtos-test/mutex-test.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 projects/rtos-test/mutex-test.c (limited to 'projects/rtos-test/mutex-test.c') diff --git a/projects/rtos-test/mutex-test.c b/projects/rtos-test/mutex-test.c new file mode 100644 index 0000000..402f9ba --- /dev/null +++ b/projects/rtos-test/mutex-test.c @@ -0,0 +1,40 @@ +#include "cmsis_os.h" + +#include "stm-init.h" +#include "stm-uart.h" + +osMutexId stdio_mutex; +osMutexDef(stdio_mutex); + +void notify(const char* name, int state) { + osMutexWait(stdio_mutex, osWaitForever); + //printf("%s: %d\n\r", name, state); + uart_send_string(name); + uart_send_string(": "); + uart_send_integer(state, 1); + uart_send_string("\r\n"); + osMutexRelease(stdio_mutex); +} + +void test_thread(void const *args) { + while (1) { + notify((const char*)args, 0); osDelay(1000); + notify((const char*)args, 1); osDelay(1000); + } +} + +void t2(void const *argument) {test_thread("Th 2");} +osThreadDef(t2, osPriorityNormal, DEFAULT_STACK_SIZE); + +void t3(void const *argument) {test_thread("Th 3");} +osThreadDef(t3, osPriorityNormal, DEFAULT_STACK_SIZE); + +int main() { + stm_init(); + stdio_mutex = osMutexCreate(osMutex(stdio_mutex)); + + osThreadCreate(osThread(t2), NULL); + osThreadCreate(osThread(t3), NULL); + + test_thread((void *)"Th 1"); +} -- cgit v1.2.3