__interrupt void USCIAB0RX_ISR()
{
P1OUT |= BIT0; // red led
char cmd[CMDLEN];
uint i;
/*
* UCA0RXIFG is high when UCA0RXBUF has received a complete character.
* However, it rarely stays high more than one byte at a time. Perhaps
* because I type too slow on my keyboard. Because of this all the
* commands are a single character for now.
*/
for (i = 0; (IFG2 & UCA0RXIFG) && i < CMDLEN; i++) {
cmd[i] = UCA0RXBUF; // get it out of the buffer before it is overwritten with new traffic
} // keep checking the buffer until it is clear or we have 79 characters
cmd[i] = '\0'; // last character always terminates the string
P1OUT &= ~BIT0;
/*
* Parse command
*/
if (strcmp(cmd, "h") == 0) // help
serial_log("\r\nHelp? There is only one commmand: 'v'\r\n");
else if (strcmp(cmd, "v") == 0) // version
serial_log("\r\nUart Debug 1.0 by Matthew Cashdollar <*****@*****.**>\r\n");
else {
serial_log("\r\nBad command: ");
serial_log(cmd);
serial_log("\r\nType 'h' for help.\r\n");
}
}
void loop()
{
int raw_temp = analogRead(TEMP_SENSOR);
int magnify = digitalRead(TEMP_MAGNIFY_BTN);
float deg_temp = 37.3 / 1024 * raw_temp;
if (magnify == HIGH) { // magnifying mode button ON/OFF
ref_deg_temp = deg_temp; // setting up the reference value
set_led_rgb(ref_deg_temp);
}
else {
ref_deg_temp = 0; // reset the temperature value
set_led_rgb(0);
}
serial_log();
delay(250);
}
