int main( void ) {
/* init peripherals */
timer_init();
uart_init();
soft_uart_init();
adc_init();
sei();
/* enter mainloop */
while( 1 ) {
if(timer_periodic())
periodic_task();
if (soft_uart_error) {
LINK_TMTC_SEND_ERROR(soft_uart_error);
soft_uart_error = 0;
}
if (soft_uart_got_byte) {
input_buf[input_buf_idx] = soft_uart_byte;
input_buf_idx++;
if (input_buf_idx >= INPUT_BUF_LEN) {
LINK_TMTC_SEND_DATA(input_buf, input_buf_idx);
input_buf_idx = 0;
}
soft_uart_got_byte = FALSE;
}
if (adc_got_val) {
saved_valim = adc_alim;
adc_got_val = FALSE;
}
}
return 0;
}
int main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
if (CALBC1_1MHZ==0xFF) { // If calibration constants erased
while(1); // do not load, trap CPU!!
}
// Frequency
DCOCTL = 0; // Select lowest DCOx and MODx settings
BCSCTL1 = CALBC1_1MHZ; // 1mhz is required for the UART
DCOCTL = CALDCO_1MHZ;
// UART
P1SEL = UART_TXD + UART_RXD; // Timer function for TXD/RXD pins
P1DIR |= UART_TXD;
// ADC
/* P1SEL |= BIT3; // ADC input pin P1.3 */
/* // Vcc & Vss as reference, Sample and hold for 64 Clock cycles, ADC on */
/* // Don't use interrupts just poll */
/* ADC10CTL0 = SREF_0 + ADC10SHT_3 + ADC10ON; */
/* ADC10CTL1 = INCH_3 + ADC10DIV_3 ; // Channel 3, ADC10CLK/3 */
/* ADC10AE0 |= BIT3; */
__enable_interrupt();
soft_uart_init(NULL); // Start Timer_A UART
for (;;) {
// Update board outputs according to received byte
unsigned char rxBuffer = soft_uart_get();
char value_string[5] = { 0 };
switch (rxBuffer) {
case '1':
/* __delay_cycles(1000); */
/* ADC10CTL0 |= ENC + ADC10SC; // Sampling and conversion start */
/* while (ADC10CTL1 & BUSY); */
/* // itoa(adc_step_to_volt(ADC10MEM, 3000, 1024), value_string, 10); */
/* itoa(ADC10MEM, value_string, 10); */
itoa(ADC_single_meas(INCH_4), value_string, 10);
soft_uart_print("A3: ");
soft_uart_print(value_string);
soft_uart_print("mV\r\n");
break;
default:
break;
}
}
}
void setup_hw(void)
{
/*
* save some power
*
*/
DDRB = 0x00; // all inputs
PORTB = 0xFF; // all pull-ups on
ACSR |= _BV(ACD); // disable the analog comparator, ACIE is already zero (default value)
PRR |= _BV(PRTIM1) | _BV(PRUSI) | _BV(PRADC); // turn off the clock for TIMER1, USI and ADC
system_ticker_setup();
sei(); // turn global irq flag on, also needed as a wakeup source
#ifdef USE_PWM
setup_pwm();
#endif
soft_uart_init();
}
