ADC补充例程

ADC设置补充例程【1】、A2*********************************************************************#include <msp430x14x.h>#include "BoardConfig.h"void main(void){volatile unsigned int i;WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timerBoardConfig(0xb8);P6SEL |= 0x01; // P6SEL=0x0037 Enable A/D channel A0ADC12CTL0 = ADC12ON+SHT0_2+REFON+REF2_5V;//Turn on and set up ADC12ADC12CTL1 = SHP; // Use sampling timerADC12MCTL0 = SREF_1; // Vr+=Vref+for ( i=0; i<0x3600; i++) // Delay for reference start-up{}ADC12CTL0 |= ENC; // Enable conversionswhile (1){ADC12CTL0 |= ADC12SC; // Startconversionwhile ((ADC12IFG & BIT0)==0);_NOP(); // SET BREAKPOINT HERE }}******************************************************************【2】、A3#include <msp430x14x.h>#include "BoardConfig.h"#define ADCDeltaOn 12 // ~2 Deg C deltastatic unsigned int FirstADCVal; // holds 1st ADC resultvoid main(void){WDTCTL = WDTPW + WDTHOLD; // Stop watchdogBoardConfig(0xb8);P3OUT = 0x00; // Clear P1P3DIR = BIT4; // P3.4 as outputADC12CTL1 = SHS_1 + SHP + CONSEQ_2; // TA trig., rpt conv.ADC12MCTL0 = SREF_1 + INCH_10; // Channel A10, Vref+ADC12IE = 0x01;// Enable ADC12IFG.0ADC12CTL0 = SHT0_8 + REF2_5V + REFON + ADC12ON + ENC; //Config ADC12TACCTL1 = OUTMOD_4;// Toggle on EQU1 (TAR = 0)TACTL = TASSEL_2 + MC_2;// SMCLK, cont-modewhile (!(0x01 & ADC12IFG));// First conversion?FirstADCVal = ADC12MEM0;// Read out 1st ADC value_BIS_SR(LPM0_bits + GIE);// Enter LPM0 w/ interrupt}#pragma vector=ADC_VECTOR__interrupt void ADC12ISR (void){if (ADC12MEM0 <= FirstADCVal + ADCDeltaOn)P3OUT &= ~BIT4;// LED offelse P3OUT |= BIT4;// LED on}********************************************************************【3】、ADC12_04#include <msp430x14x.h>static unsigned int results; // Needs to be global in this example // Otherwise, the compiler removes it// because it is not used for anything.void main(void){WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timerP6SEL |= 0x01; // Enable A/D channel A0ADC12CTL0 = ADC12ON+SHT0_15; // Turn on ADC12, set sampling timeADC12CTL1 = SHP; // Use sampling timer, set modeADC12IE = 0x01; // Enable ADC12IFG.0ADC12CTL0 |= ENC; // Enable conversionswhile(1){ADC12CTL0 |= ADC12SC; // Start conversion_BIS_SR(LPM0_bits + GIE); // Enter LPM0, Enable interrupts}}#pragma vector=ADC_VECTOR__interrupt void ADC12ISR (void){results = ADC12MEM0; // Move results, IFG is cleared_BIC_SR_IRQ(LPM0_bits); // Clear LPM0, SET BREAKPOINT HERE}********************************************************************【4】、ADC12_05#include <msp430x14x.h>void main(void){WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timerP6SEL |= 0x01; // Enable A/D channel A0ADC12CTL0 = ADC12ON+SHT0_2; // Turn on ADC12, set sampling timeADC12CTL1 = SHP; // Use sampling timerADC12MCTL0 = SREF_2; // Vr+ = VeREF+ (external)ADC12CTL0 |= ENC; // Enable conversionswhile (1){ADC12CTL0 |= ADC12SC; // Start conversionwhile ((ADC12IFG & BIT0)==0);_NOP(); // SET BREAKPOINT HERE}}*****************************************************************【5】ADC12_06#include <msp430x14x.h>#define Num_of_Results 8static unsigned int A0results[Num_of_Results]; // These need to be global in thisexample. Otherwise the compiler removes them because they are not usedstatic unsigned int A1results[Num_of_Results];static unsigned int A2results[Num_of_Results];static unsigned int A3results[Num_of_Results];void main(void){WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timer P6SEL = 0x0F; // Enable A/D channel inputs ADC12CTL0 = ADC12ON+MSC+SHT0_8; // Turn on ADC12, extend sampling time// to avoid overflow of resultsADC12CTL1 = SHP+CONSEQ_3; // Use sampling timer, repeated sequenceADC12MCTL0 = INCH_0; // ref+=AVcc, channel = A0 ADC12MCTL1 = INCH_1; // ref+=AVcc, channel = A1 ADC12MCTL2 = INCH_2; // ref+=AVcc, channel = A2ADC12MCTL3 = INCH_3+EOS; // ref+=AVcc, channel = A3, end seq. ADC12IE = 0x08; // Enable ADC12IFG.3ADC12CTL0 |= ENC; // Enable conversionsADC12CTL0 |= ADC12SC; // Start conversion_BIS_SR(LPM0_bits + GIE); // Enter LPM0, Enable interrupts}#pragma vector=ADC_VECTOR__interrupt void ADC12ISR (void){static unsigned int index = 0;A0results[index] = ADC12MEM0; // Move A0 results, IFG is clearedA1results[index] = ADC12MEM1; // Move A1 results, IFG is clearedA2results[index] = ADC12MEM2; // Move A2 results, IFG is clearedA3results[index] = ADC12MEM3; // Move A3 results, IFG is clearedindex = (index+1)%Num_of_Results; // Increment results index,//modulo; SetBreakpoint here}*******************************************************************【6】、ADC12_07#include <msp430x14x.h>#define Num_of_Results 8static unsigned int results[Num_of_Results];// Needs to be global in this// example. Otherwise, the// compiler removes it because it// is not used for anything.void main(void){WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timerP6SEL |= 0x01; // Enable A/D channel A0ADC12CTL0 = ADC12ON+SHT0_8+MSC; // Turn on ADC12, set sampling timeADC12CTL1 = SHP+CONSEQ_2; // Use sampling timer, set modeADC12IE = 0x01; // Enable ADC12IFG.0ADC12CTL0 |= ENC; // Enable conversionsADC12CTL0 |= ADC12SC; // Start conversion_BIS_SR(LPM0_bits + GIE); // Enter LPM0,Enable interrupts}#pragma vector=ADC_VECTOR__interrupt void ADC12ISR (void){static unsigned int index = 0;results[index] = ADC12MEM0; // Move resultsindex = (index+1)%Num_of_Results; // Increment results index, modulo}//******************************************************************【7】、ADC12_08#include <msp430x14x.h>static unsigned int results[2]; // Needs to be global in this example// Otherwise, the compiler removes it because it is not used for anything.void main(void){WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timerADC12CTL0 = ADC12ON+MSC+SHT0_15; // Turn on ADC12, set sampling timeADC12CTL1 = SHP+CONSEQ_1; // Use sampling timer, single sequence ADC12MCTL0 = INCH_8; // ref+=AVcc, channel = A8ADC12MCTL1 = INCH_9+EOS; // ref+=AVcc, channel = A9, end seq. ADC12IE = 0x02; // Enable ADC12IFG.1ADC12CTL0 |= ENC; // Enable conversionswhile(1){ADC12CTL0 |= ADC12SC; // Start conversion_BIS_SR(LPM0_bits + GIE); // Enter LPM0, Enable interrupts}}#pragma vector=ADC_VECTOR__interrupt void ADC12ISR (void){results[0] = ADC12MEM0; // Move results, IFG is clearedresults[1] = ADC12MEM1; // Move results, IFG is cleared_BIC_SR_IRQ(LPM0_bits); // Clear LPM0, SET BREAKPOINT HERE}******************************************************************【8】、ADC12_09#include <msp430x14x.h>static unsigned int results[4]; // Needs to be global in this example// Otherwise, the compiler removes it because it is not used for anything.void main(void){WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timerP6SEL = 0x0F; // Enable A/D channel inputsADC12CTL0 = ADC12ON+MSC+SHT0_2; // Turn on ADC12, set sampling timeADC12CTL1 = SHP+CONSEQ_1; // Use sampling timer, single sequenceADC12MCTL0 = INCH_0; // ref+=AVcc, channel = A0ADC12MCTL1 = INCH_1; // ref+=AVcc, channel = A1ADC12MCTL2 = INCH_2; // ref+=AVcc, channel = A2ADC12MCTL3 = INCH_3+EOS; // ref+=AVcc, channel = A3, end seq.ADC12IE = 0x08; // Enable ADC12IFG.3ADC12CTL0 |= ENC; // Enable conversionswhile(1){ADC12CTL0 |= ADC12SC; // Start conversion_BIS_SR(LPM0_bits + GIE); // Enter LPM0, Enable interrupts}}#pragma vector=ADC_VECTOR__interrupt void ADC12ISR (void){results[0] = ADC12MEM0; // Move results, IFG is clearedresults[1] = ADC12MEM1; // Move results, IFG is clearedresults[2] = ADC12MEM2; // Move results, IFG is clearedresults[3] = ADC12MEM3; // Move results, IFG is cleared_BIC_SR_IRQ(LPM0_bits); // Clear LPM0, SET BREAKPOINT HERE}******************************************************************【9】、ADC12_10#include <msp430x14x.h>int long temp;int long IntDegF;int long IntDegC;void main(void){WDTCTL = WDTPW + WDTHOLD; // Stop WDTADC12CTL0 = SHT0_8 + REFON + ADC12ON;ADC12CTL1 = SHP; // enable sample timer ADC12MCTL0 = SREF_1 + INCH_10;ADC12IE = 0x001;ADC12CTL0 |= ENC;while(1){ADC12CTL0 |= ADC12SC; // Sampling and conversion start _BIS_SR(CPUOFF + GIE); // LPM0 with interrupts enabled // oF = ((x/4096)*1500mV)-923mV)*1/1.97mV = x*761/4096 - 468// IntDegF = (ADC12MEM0 - 2519)* 761/4096IntDegF = (temp - 2519) * 761;IntDegF = IntDegF / 4096;// oC = ((x/4096)*1500mV)-986mV)*1/3.55mV = x*423/4096 - 278// IntDegC = (ADC12MEM0 - 2692)* 423/4096IntDegC = (temp - 2692) * 423;IntDegC = IntDegC / 4096;_NOP(); // << SET BREAKPOINT HERE }}#pragma vector=ADC_VECTOR__interrupt void ADC12ISR (void){temp = ADC12MEM0; // Move results, IFG is cleared_BIC_SR_IRQ(CPUOFF); // Clear CPUOFF bit from 0(SR) }********************************************************************【10】、ADC12_11#include <msp430x14x.h>#define Num_of_Results 512int results[Num_of_Results] = {0};void ADC_Init(void);void main(void){WDTCTL = WDTPW | WDTHOLD; // Disable the Watchdog.ADC_Init(); // Initialize ADC12ADC12CTL0 |= ENC; // Start conversion_BIS_SR(LPM0_bits); // Enter LPM0}void ADC_Init(void){P1DIR = 0xff; // set port to outputsP1OUT = 0; // reset port outputsP6SEL |= 0x01; // select A0 inputADC12CTL0 = ADC12ON+SHT0_1+REF2_5V+REFON; // Setup ADC12 ADC12CTL1 = SHP+CONSEQ_2+SHS_1; // Timer triggers samplingADC12MCTL0 = INCH_0 + SREF_1;ADC12IE = 0x0001; // Enable ADC12IFG.0 TACCR0 = 1500; // Delay to allow Ref to settle TACCTL0 |= CCIE; // Compare-mode interrupt. TACTL = TASSEL_1 | MC_1; // TACLK = ACLK, Up mode. _BIS_SR(LPM3_bits + GIE); // Wait for delay, Enable interrupts TACCTL0 &= ~CCIE; // Disable timerP2SEL |= BIT3; // Set for Timer A1P2DIR |= 0x08;TACCR0 = 7; // Init TACCR0 w/ sample prd=CCR0+1TACCR1 = 4; // Trig for ADC12 sample & convert TACCTL1 = OUTMOD_3; // Set/resetTACTL = TACLR | MC_1 | TASSEL_1; // ACLK, clear TAR, up mode }// Timer_A0 Interrupt Service Routine#pragma vector=TIMERA0_VECTOR__interrupt void ta0_isr(void){TACTL = 0;LPM3_EXIT; // Exit LPM3 on return }// ADC12 Interrupt Service Routine#pragma vector=ADC_VECTOR__interrupt void ADC12ISR (void){static unsigned int index = 0;results[index++] = ADC12MEM0; // Move resultsif (index == 512){ADC12CTL0 &= ~ENC; // Stop conversion index = 0;P1OUT |= 0x01;_BIS_SR(LPM3_bits); // Enter LPM3}}。