main.cpp

00001 #include "mbed.h"
00002 #include "test_env.h"
00003 #include "rtos.h"
00004 
00005 #if defined(MBED_RTOS_SINGLE_THREAD)
00006   #error [NOT_SUPPORTED] test not supported
00007 #endif
00008 
00009 /*
00010  * The stack size is defined in cmsis_os.h mainly dependent on the underlying toolchain and
00011  * the C standard library. For GCC, ARM_STD and IAR it is defined with a size of 2048 bytes
00012  * and for ARM_MICRO 512. Because of reduce RAM size some targets need a reduced stacksize.
00013  */
00014 #if (defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8)) && defined(TOOLCHAIN_GCC)
00015     #define STACK_SIZE DEFAULT_STACK_SIZE/2
00016 #elif (defined(TARGET_STM32F030R8) || defined(TARGET_STM32F070RB)) && defined(TOOLCHAIN_GCC)
00017     #define STACK_SIZE DEFAULT_STACK_SIZE/2
00018 #elif (defined(TARGET_STM32F030R8)) && defined(TOOLCHAIN_IAR)
00019     #define STACK_SIZE DEFAULT_STACK_SIZE/2
00020 #elif (defined(TARGET_EFM32HG_STK3400)) && !defined(TOOLCHAIN_ARM_MICRO)
00021     #define STACK_SIZE 512
00022 #elif (defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32WG_STK3800) || defined(TARGET_EFM32PG_STK3401)) && !defined(TOOLCHAIN_ARM_MICRO)
00023     #define STACK_SIZE 768
00024 #elif (defined(TARGET_EFM32GG_STK3700)) && !defined(TOOLCHAIN_ARM_MICRO)
00025     #define STACK_SIZE 1536
00026 #elif defined(TARGET_MCU_NRF51822)
00027     #define STACK_SIZE 768
00028 #else
00029     #define STACK_SIZE DEFAULT_STACK_SIZE
00030 #endif
00031 
00032 void print_char(char c = '*') {
00033     printf("%c", c);
00034     fflush(stdout);
00035 }
00036 
00037 DigitalOut led1(LED1);
00038 DigitalOut led2(LED2);
00039 
00040 void led2_thread(void const *argument) {
00041     while (true) {
00042         led2 = !led2;
00043         Thread::wait(1000);
00044         print_char();
00045     }
00046 }
00047 
00048 int main() {
00049     MBED_HOSTTEST_TIMEOUT(15);
00050     MBED_HOSTTEST_SELECT(wait_us_auto);
00051     MBED_HOSTTEST_DESCRIPTION(Basic thread);
00052     MBED_HOSTTEST_START("RTOS_1");
00053 
00054     Thread thread(led2_thread, NULL, osPriorityNormal, STACK_SIZE);
00055 
00056     while (true) {
00057         led1 = !led1;
00058         Thread::wait(500);
00059     }
00060 }