LaunchPad(MSP430G2553)_官方例程.doc

LaunchPad 官方例程（无修改）

一切皆为 2012TI 杯电子设计大赛

1.

//

******************************************************************************

// LaunchPad Lab2 - Software Toggle P1.0,

//

// MSP430G2xx2

//

//

******************************************************************************

#include <msp430g2553.h>

void main(void)

{

WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer

if (CALBC1_1MHZ == 0xFF || CALDCO_1MHZ == 0xFF)

{

while(1); // If calibration constants erased, trap CPU!!

P1OUT = 0; // LED off

IFG1 &= ~OFIFG; // Clear OSCFault flag

BCSCTL2 |=SELM_1 + DIVM_0; // Set MCLK

for(;;)

{

P1OUT = BIT6; // P1.6 on (green LED)

_delay_cycles(100);

P1OUT = 0; // green LED off

_delay_cycles(5000);

}

}

******************************************************************************

// LaunchPad Lab3 - Software Port Interrupt Service

// | | |

// --|RST XOUT|-

// /|\ | |

// --o--|P1.3 P1.0|-->LED

// \|/

//

//

{

P1DIR |= BIT0; // Set P1.0 to output direction

P1IES |= BIT3; // P1.3 Hi/lo edge

P1IFG &= ~BIT3; // P1.3 IFG cleared

P1IE |= BIT3; // P1.3 interrupt enabled

_BIS_SR(LPM4_bits + GIE); // Enter LPM4 w/interrupt

}

// Port 1 interrupt service routine

#pragma vector=PORT1_VECTOR

__interrupt void Port_1(void)

{

if (P1IFG & BIT3)

{

******************************************************************************

// LaunchPad Lab5 - ADC10, Sample A10 Temp and Convert to oC and oF

//

// MSP430G2452

// -----------------

// /|\| XIN|-

// --|RST XOUT|-

// | |

// |A10 |

//

//

******************************************************************************

long temp;

long IntDegF;

long IntDegC;

void main(void)

{

WDTCTL = WDTPW + WDTHOLD; // Stop WDT

//Configure ADC10

ADC10CTL1 = INCH_10 + ADC10DIV_3; // Choose ADC Channel as Temp Sensor

ADC10CTL0 = SREF_1 + ADC10SHT_3 + REFON + ADC10ON + ADC10IE;

TACCTL0 &= ~CCIE; // Disable timer Interrupt

__disable_interrupt();

__bis_SR_register(LPM0_bits + GIE); // LPM0 with interrupts enabled

// oF = ((A10/1024)*1500mV)-923mV)*1/1.97mV = A10*761/1024 - 468

temp = ADC10MEM;

IntDegF = ((temp - 630) * 761) / 1024;

temp = ADC10MEM;

IntDegC = ((temp - 673) * 423) / 1024;

__no_operation(); // SET BREAKPOINT HERE

}

}

// ADC10 interrupt service routine

#pragma vector=ADC10_VECTOR