| 0,0 → 1,66 |
|---|
| #include <msp430.h> |
| |
| int main(void) { |
| WDTCTL = WDTPW | WDTHOLD; // Stop watchdog timer |
| |
| /* --- Set Oscillator Settings ---------------------- */ |
| BCSCTL1 = XT2OFF; // Turn off XT2 oscillator, ACLK = low freq mode/1 |
| BCSCTL1 = CALBC1_16MHZ; // Set DCO to callibrated 16Mhz |
| DCOCTL = CALDCO_16MHZ; // Set DCO to callibrated 16Mhz |
| BCSCTL2 = SELM_0 | DIVM_0 | DIVS_3; // MCLK = DCO/1, SMCLK = MCLK/8 |
| BCSCTL3 = LFXT1S_0 | XCAP_2; // LFXT1 = 32.768khz, 10pF termination |
| IE1 &= ~OFIE; // Disable oscillator fault interrupt |
| /* -------------------------------------------------- */ |
| |
| // /* --- Set Timer Settings --------------------------- */ |
| // // Timer A clock source = ACLK/1, continuous mode, interrupt enabled |
| // TA0CTL = TASSEL_1 | ID_0 | MC_2 | TACLR | TAIE; |
| // TACCTL0 = CCIE; // Enable timer A comparator 0 interrupt |
| // TACCR0 = 32768; // Set initial comparator value |
| // /* -------------------------------------------------- */ |
| |
| UCB0CTL0 = UCMSB+UCMST+UCMODE_0; // 3-pin, 8-bit SPI master |
| UCB0CTL1 = UCSSEL_2+UCSWRST; // SMCLK |
| UCB0BR0 = 2; // UCLK/2 |
| UCB0BR1 = 0; |
| //UCB0MCTL = 0; |
| P1SEL |= BIT5 + BIT6 + BIT7; |
| P1SEL2 |= BIT5 + BIT6 + BIT7; |
| P1OUT |= BIT5 + BIT6 + BIT7; |
| P1DIR |= BIT5 + BIT7; |
| P1DIR &= ~BIT6; |
| UCB0CTL1 &= ~UCSWRST; // **Initialize USCI state machine** |
| |
| // /* --- Set Port Settings ---------------------------- */ |
| // // Set port direction to output |
| // P1DIR = BIT0 | BIT6; |
| // // Set initial port values |
| // P1OUT = ~(BIT0 | BIT6); |
| // /* -------------------------------------------------- */ |
| |
| // Go into low power mode with interrupts enabled |
| // _BIS_SR(LPM1_bits + GIE); |
| |
| unsigned char c = 0; |
| while (UC0IFG & UCB0TXIFG == 0); // wait while not ready for TX |
| UCB0TXBUF = 0xAB; // write |
| while (UC0IFG & UCB0RXIFG == 0); // wait for RX buffer (full) |
| c = UCB0RXBUF; |
| |
| while(1); |
| } |
| |
| //#pragma vector=TIMER0_A0_VECTOR |
| //__interrupt void Timer0_A0(void) { |
| // // This vector gets called on timer A comparator 0 interrupt |
| // P1OUT ^= BIT0; // Toggle LED |
| // TACCR0 += 32768; // Add offset to CCR0 |
| // TACCTL0 &= ~CCIFG; // Reset the interrupt flag |
| //} |
| |
| //#pragma vector=TIMER0_A1_VECTOR |
| //__interrupt void Timer0_A1(void) { |
| // // This vector gets called on timer A overflow and comparators 1 and 2 |
| // P1OUT ^= BIT6; // Toggle LED |
| // TACTL &= ~TAIFG; // Reset the interrupt flag |
| //} |