EXPORT int LCD1602DispLines(int devFD, char* line1, char* line2) {
int ret = LCD1602DispStr(devFD, 0, 0, line1);
if (ret != -1) {
ret = LCD1602DispStr(devFD, 0, 1, line2);
}
return ret;
}
int main(int argc, char ** argv) {
int dhtTemp = 0;
int dhtHdty = 0;
int INT_BUF = 0;
char* buf = (char *) malloc(LCD_LENGTH);
memset(buf, 0, LCD_LENGTH);
char* line1 = " hum: ";
char* line2 = " temp: ";
THmonitoring_init();
if (LCD1602DispLines(devFD_LCD, line1, line2) == -1) {
printf("Fail to Display String\n");
}
signal(SIGINT, Stop);
printf("you can press ctrl+c to stop\n");
while(!stop) {
if ((dht11Read(DHT_HUMIDITY, &dhtHdty)) == -1) {
dhtHdty = 0;
}
if ((dht11Read(DHT_TEMP, &dhtTemp)) == -1) {
dhtTemp = 0;
}
if (dhtHdty == 0) {
sprintf(buf, "%s", "Er");
} else {
INT_BUF = dhtHdty / 1000;
sprintf(buf, "%d", INT_BUF);
}
LCD1602DispStr(devFD_LCD, 6, 0, buf);
if (dhtTemp == 0) {
sprintf(buf, "%s", "Er");
} else {
INT_BUF = dhtTemp / 1000;
sprintf(buf, "%d", INT_BUF);
}
LCD1602DispStr(devFD_LCD, 7, 1, buf);
if (dhtTemp >= SET_TEMP) {
if (THmonitoring_alart() != 0) {
printf("fail to alart!\n");
break;
}
}
sleep(1);
THmonitoring_noalart();
sleep(1);
}
free(buf);
THmonitoring_deinit();
return 0;
}
