int main_chmon(int argc, char* argv[])
{
if (argc!=2)
{
printf("Usage: chmon <port>\n");
_exit(-1);
}
const char* devicename = argv[1];
printf("Waiting for port to become available\n");
while (access(devicename, F_OK)!=0)
{
sleep(1);
}
int fd = -1;
printf("Waiting for access to port\n");
while (1)
{
fd = open(devicename, O_RDWR | O_NOCTTY | O_NONBLOCK);
if (fd>=0) break;
perror("Waiting for port:");
}
arduino_speed(fd);
// enter the main loop
while (1)
{
// check for messages in the message file
check_messages(fd);
// get temperature and write it to file.
get_temperature(fd);
// read in the thermostat temperature
get_thermostat();
// update relay
update_relay(fd);
// update display
update_display(fd);
}
return 0;
}
// This runs continuously in a loop.
void Controller::loop()
{
//read from wireless, see if ssd or mode changes
//if the ssd or mode is different from before,
//update it
// _delay_ms(10000);
//if button is pressed
if ((bit_is_clear(PIND,5))){//PD5, the button pin, is pressed
//check to see if still depressed for 5+ seconds:
_delay_ms(5000);
if ((bit_is_clear(PIND,5))){
//button has been selected for 5+ seconds
//send reset signal to base station
update_LED(SYSTEM_SYNC); //turn led blue
update_relay(0);
spin_SSDs(); //spin SSDs
//after sending sync signal, read ssd values and status from base station
//update ssds
//update relay
//update led to on or off
update_LED(1); //turn led green, for debgging, remove this
update_relay(1);
}
}
/*
//after checking button input, now we can check if receiving wireless
if (0 == 1){ //read from wireless
//read status
//read ssd0
//read ssd1
if (read_status != status) { //updating status of relay
update_relay(read_status);
update_LED(read_status);
status = read_status;
}
if (read_ssd0 != ssd0) {
update_ssd0(read_ssd0);
ssd0 = read_ssd0;
}
if (read_ssd1 != ssd1) {
update_ssd1(read_ssd1);
ssd1 = read_ssd1;
}
}//end if read from wireless
*/
_delay_ms(100);
update_ssd0(9);
update_ssd1(9);
}
