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_EFM32HG_STK3400)) && !defined(TOOLCHAIN_ARM_MICRO)
00020     #define STACK_SIZE 512
00021 #elif (defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32WG_STK3800) || defined(TARGET_EFM32PG_STK3401)) && !defined(TOOLCHAIN_ARM_MICRO)
00022     #define STACK_SIZE 768
00023 #elif (defined(TARGET_EFM32GG_STK3700)) && !defined(TOOLCHAIN_ARM_MICRO)
00024     #define STACK_SIZE 1536
00025 #elif defined(TARGET_MCU_NRF51822) || defined(TARGET_MCU_NRF52832)
00026     #define STACK_SIZE 768
00027 #elif defined(TARGET_XDOT_L151CC)
00028     #define STACK_SIZE 1024
00029 #else
00030     #define STACK_SIZE DEFAULT_STACK_SIZE
00031 #endif
00032 
00033 Queue<uint32_t, QUEUE_SIZE> queue;
00034 
00035 DigitalOut myled(LED1);
00036 
00037 void queue_isr() {
00038 
00039     queue.put((uint32_t*)QUEUE_PUT_ISR_VALUE);
00040     myled = !myled;
00041 }
00042 
00043 void queue_thread() {
00044     while (true) {
00045         queue.put((uint32_t*)QUEUE_PUT_THREAD_VALUE);
00046         Thread::wait(THREAD_DELAY);
00047     }
00048 }
00049 
00050 int main (void) {
00051     GREENTEA_SETUP(20, "default_auto");
00052 
00053     Thread thread(osPriorityNormal, STACK_SIZE);
00054     thread.start(queue_thread);
00055     Ticker ticker;
00056     ticker.attach(queue_isr, 1.0);
00057     int isr_puts_counter = 0;
00058     bool result = true;
00059 
00060     while (true) {
00061         osEvent evt = queue.get();
00062         if (evt.status != osEventMessage) {
00063             printf("QUEUE_GET: Status(0x%02X) ... [FAIL]\r\n", evt.status);
00064             result = false;
00065             break;
00066         } else {
00067             printf("QUEUE_GET: Value(%u) ... [OK]\r\n", evt.value.v);
00068             if (evt.value.v == QUEUE_PUT_ISR_VALUE) {
00069                 isr_puts_counter++;
00070             }
00071             if (isr_puts_counter >= QUEUE_SIZE) {
00072                 break;
00073             }
00074         }
00075     }
00076 
00077     GREENTEA_TESTSUITE_RESULT(result);
00078     return 0;
00079 }