main.cpp

00001 #include "mbed.h"
00002 #include "greentea-client/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 #define QUEUE_SIZE              5
00010 #define THREAD_DELAY            250
00011 #define QUEUE_PUT_ISR_VALUE     128
00012 #define QUEUE_PUT_THREAD_VALUE  127
00013 
00014 /*
00015  * The stack size is defined in cmsis_os.h mainly dependent on the underlying toolchain and
00016  * the C standard library. For GCC, ARM_STD and IAR it is defined with a size of 2048 bytes
00017  * and for ARM_MICRO 512. Because of reduce RAM size some targets need a reduced stacksize.
00018  */
00019 #if defined(TARGET_STM32L053R8) || defined(TARGET_STM32L053C8)
00020     #define STACK_SIZE DEFAULT_STACK_SIZE/4
00021 #elif (defined(TARGET_STM32F030R8)) && defined(TOOLCHAIN_IAR)
00022     #define STACK_SIZE DEFAULT_STACK_SIZE/2
00023 #elif (defined(TARGET_EFM32HG_STK3400)) && !defined(TOOLCHAIN_ARM_MICRO)
00024     #define STACK_SIZE 512
00025 #elif (defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32WG_STK3800) || defined(TARGET_EFM32PG_STK3401)) && !defined(TOOLCHAIN_ARM_MICRO)
00026     #define STACK_SIZE 768
00027 #elif (defined(TARGET_EFM32GG_STK3700)) && !defined(TOOLCHAIN_ARM_MICRO)
00028     #define STACK_SIZE 1536
00029 #elif defined(TARGET_MCU_NRF51822) || defined(TARGET_MCU_NRF52832)
00030     #define STACK_SIZE 768
00031 #else
00032     #define STACK_SIZE DEFAULT_STACK_SIZE
00033 #endif
00034 
00035 Queue<uint32_t, QUEUE_SIZE> queue;
00036 
00037 DigitalOut myled(LED1);
00038 
00039 void queue_isr() {
00040 
00041     queue.put((uint32_t*)QUEUE_PUT_ISR_VALUE);
00042     myled = !myled;
00043 }
00044 
00045 void queue_thread(void const *argument) {
00046     while (true) {
00047         queue.put((uint32_t*)QUEUE_PUT_THREAD_VALUE);
00048         Thread::wait(THREAD_DELAY);
00049     }
00050 }
00051 
00052 int main (void) {
00053     GREENTEA_SETUP(20, "default_auto");
00054 
00055     Thread thread(queue_thread, NULL, osPriorityNormal, STACK_SIZE);
00056     Ticker ticker;
00057     ticker.attach(queue_isr, 1.0);
00058     int isr_puts_counter = 0;
00059     bool result = true;
00060 
00061     while (true) {
00062         osEvent evt = queue.get();
00063         if (evt.status != osEventMessage) {
00064             printf("QUEUE_GET: Status(0x%02X) ... [FAIL]\r\n", evt.status);
00065             result = false;
00066             break;
00067         } else {
00068             printf("QUEUE_GET: Value(%u) ... [OK]\r\n", evt.value.v);
00069             if (evt.value.v == QUEUE_PUT_ISR_VALUE) {
00070                 isr_puts_counter++;
00071             }
00072             if (isr_puts_counter >= QUEUE_SIZE) {
00073                 break;
00074             }
00075         }
00076     }
00077 
00078     GREENTEA_TESTSUITE_RESULT(result);
00079     return 0;
00080 }