blip-test.cpp

//causes solenoids to click in strobing sequence. Remote API test
//use with HeartrateLED k66f code.
#include <thread>
#include "spi_datagram.h"

using namespace spi_proto;

void
blip_task(void);

/* We need to declare a function pointer, the library expects to be linked with
 * one. It's not necessary that it be an actual function.
 *
 * This would also be fine:
 * void (*spi_callback)(struct spi_packet *p) = NULL;
 */
void
dummy_callback(struct spi_packet *p)
{
  /* If we linked with this function and the k66f code simply echoed our
   * messages, this would receive arguments where p->msg[0] was alternately 60
   * and 120.
   * Here we print out the received bytes in hex.
   */
  for (int i = 0; i < sizeof(struct spi_packet); i++) {
    printf("%02x ", ((unsigned char *)p)[i]);
  }
  puts("");
}
void (*spi_callback)(struct spi_packet *p) = dummy_callback;

int main(int argc, char *argv[]) {
	std::thread remote_thread(datagram_task);
	std::thread click_thread(blip_task);

	while (1) {
		std::this_thread::sleep_for(std::chrono::milliseconds(100));
	}

	return 0;

}

//helper function, not related to remote api
void
delay_ms(unsigned int ms)
{
	std::this_thread::sleep_for(std::chrono::milliseconds(ms));
}

void
blip_task(void)
{
	//forever:
	//	send heartrate 60
	//	wait 10s
	//	send heartrate 120
	//	wait 10s

	int wait = 10*1000;
	puts("starting blinking!");
	for (;;) {
		puts("blink slow");
		uint8_t buf[1] = {60};
		send_message(buf,1);
		delay_ms(wait);
		puts("blink fast");
		uint8_t buf2[1] = {120};
		send_message(buf2,1);
		delay_ms(wait);
	}
}