int main(void)
{
long long unsigned int loopcount = 0, errorcount = 0;
char read_str[32];
char loop_str[16];
char error_str[16];
const uint8_t op_count = 4;
exo_op ops[op_count];
exo_init(VENDOR, MODEL, SERIAL);
for (int i = 0; i < op_count; i++){
exo_op_init(&ops[i]);
}
// only need to setup subscribe once
exo_subscribe(&ops[1], "command", read_str, 32);
while(1)
{
if (loopcount % 100 == 0){
// prepare data to write
snprintf(loop_str, 15, "%llu", loopcount);
// queue write operation
exo_write(&ops[2], "uptime", loop_str);
}
// perform queued operations until all are done or failed
while(exo_operate(ops, op_count) != EXO_IDLE);
// check if ops succeeded or failed
for (int i = 1; i < op_count; i++){
if (exo_is_op_finished(&ops[i])) {
if (exo_is_op_success(&ops[i])) {
if (exo_is_op_read(&ops[i]) || exo_is_op_subscribe(&ops[i])) {
printf("[SUCCESS] got '%s' = `%s`\n", ops[i].alias, ops[i].value);
} else if (exo_is_op_write(&ops[i])) {
printf("[SUCCESS] set '%s' = `%s`\n", ops[i].alias, ops[i].value);
} else {
printf("[WARNING] something succeeded, but I don't know what\n");
}
} else {
printf("[ERROR] on '%s'\n", ops[i].alias);
printf(" error count is now %llu\n", errorcount);
// queue a write to error count next time
snprintf(error_str, 15, "%llu", errorcount);
exo_write(&ops[3], "errorcount", error_str);
}
exo_op_done(&ops[i]);
}
}
nanosleep((struct timespec[]){{0, 500000000}}, NULL);
loopcount++;
}
int main()
{
int sockRead, sockWrite, sockSub;
int len;
int opStatus = -1;
int i;
date_time_t curDateTime;
exo_init( "hackntu2016",
"iot1001",
"1A:01:00:00:00:03");
exosite_pal_get_current_date_time(&curDateTime);
while(1)
{
printf("start to write data to cloud\r\n");
sockWrite = exo_write( "AccXRaw_ICM20648",
"3.5",
write_callback);
sockRead = exo_read("LED1Status_Board",
read_callback);
sockSub = exo_subscribe("LED1Status_Board",
&curDateTime,
subscribe_callback);
printf("loop start\r\n");
exo_loop_start();
exosite_pal_get_current_date_time(&curDateTime);
printf("loop end\r\n");
}
return 0;
}