blob: 545fca34c7dbadc59b52433d554c856473da3fe1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
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);
}
}
}
|
