49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
#include "mbed.h"
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#include "cmsis_os.h"
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typedef struct {
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float voltage; /* AD result of measured voltage */
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float current; /* AD result of measured current */
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uint32_t counter; /* A counter value */
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} message_t;
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osPoolDef(mpool, 16, message_t);
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osPoolId mpool;
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osMessageQDef(queue, 16, message_t);
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osMessageQId queue;
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void send_thread (void const *argument) {
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uint32_t i = 0;
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while (true) {
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i++; // fake data update
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message_t *message = (message_t*)osPoolAlloc(mpool);
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message->voltage = (i * 0.1) * 33;
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message->current = (i * 0.1) * 11;
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message->counter = i;
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osMessagePut(queue, (uint32_t)message, osWaitForever);
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osDelay(1000);
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}
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}
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osThreadDef(send_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
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int main (void) {
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mpool = osPoolCreate(osPool(mpool));
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queue = osMessageCreate(osMessageQ(queue), NULL);
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osThreadCreate(osThread(send_thread), NULL);
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while (true) {
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osEvent evt = osMessageGet(queue, osWaitForever);
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if (evt.status == osEventMessage) {
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message_t *message = (message_t*)evt.value.p;
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printf("\nVoltage: %.2f V\n\r" , message->voltage);
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printf("Current: %.2f A\n\r" , message->current);
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printf("Number of cycles: %u\n\r", message->counter);
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osPoolFree(mpool, message);
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}
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}
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}
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