44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
#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);
|
|
}
|
|
}
|
|
}
|