diff options
Diffstat (limited to 'tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/mail/main.cpp')
-rw-r--r-- | tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/mail/main.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/mail/main.cpp b/tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/mail/main.cpp new file mode 100644 index 0000000000..545fca34c7 --- /dev/null +++ b/tool/mbed/mbed-sdk/libraries/tests/rtos/cmsis/mail/main.cpp @@ -0,0 +1,43 @@ +#include "mbed.h" +#include "cmsis_os.h" + +typedef struct { + float voltage; /* AD result of measured voltage */ + float current; /* AD result of measured current */ + uint32_t counter; /* A counter value */ +} mail_t; + +osMailQDef(mail_box, 16, mail_t); +osMailQId mail_box; + +void send_thread (void const *argument) { + uint32_t i = 0; + while (true) { + i++; // fake data update + mail_t *mail = (mail_t*)osMailAlloc(mail_box, osWaitForever); + mail->voltage = (i * 0.1) * 33; + mail->current = (i * 0.1) * 11; + mail->counter = i; + osMailPut(mail_box, mail); + osDelay(1000); + } +} + +osThreadDef(send_thread, osPriorityNormal, DEFAULT_STACK_SIZE); + +int main (void) { + mail_box = osMailCreate(osMailQ(mail_box), NULL); + osThreadCreate(osThread(send_thread), NULL); + + while (true) { + osEvent evt = osMailGet(mail_box, osWaitForever); + if (evt.status == osEventMail) { + mail_t *mail = (mail_t*)evt.value.p; + printf("\nVoltage: %.2f V\n\r" , mail->voltage); + printf("Current: %.2f A\n\r" , mail->current); + printf("Number of cycles: %u\n\r", mail->counter); + + osMailFree(mail_box, mail); + } + } +} |