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器件型号:MSP430FR5962 主题中讨论的其他器件:MSP430F5529、
尊敬的 TI 专家:
我们是否有任何与 通道序列模式相关的示例? 我正在尝试配置我的、但我无法获取输入。
//P1.5 - A5 - Pin 5
P1SEL0 |= BIT5;
P1SEL1 |= BIT5;
//P3.1 - A13 - Pin 3
P3SEL0 |= BIT1;
P3SEL1 |= BIT1;
// Configure ADC12
ADC12CTL0 = ADC12SHT0_2 | ADC12ON | ADC12MSC; //16 clock cycles sampling, ADC on, multiple sample.
ADC12CTL1 = ADC12SHP | ADC12SSEL_3 | ADC12CONSEQ_1; //Pulse mode. ADCCLK = SMCLK. Sequence-of-Channels Mode autoscan.
ADC12CTL2 = ADC12RES_2; //12-bit conversion results
ADC12CTL3 = ADC12CSTARTADD_1;
// Configure ADC input channels
ADC12MCTL1 = ADC12INCH_5 | ADC12VRSEL_0; //A2 ADC input select; Vref=VCC=3.3V
ADC12MCTL2 = ADC12INCH_13 | ADC12VRSEL_0 | ADC12EOS; //A3 ADC input select; Vref=VCC; End-of-sequence
ADC12CTL0 |= ADC12ENC | ADC12SC;
Here is my ADC ISR code:
#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)
#pragma vector = ADC12_B_VECTOR
__interrupt void ADC12_ISR(void)
#elif defined(__GNUC__)
void __attribute__ ((interrupt(ADC12_B_VECTOR))) ADC12_ISR (void)
#else
#error Compiler not supported!
#endif
{
switch (__even_in_range(ADC12IV, ADC12IV__ADC12RDYIFG))
{
case ADC12IV__NONE: break; // Vector 0: No interrupt
case ADC12IV__ADC12OVIFG: break; // Vector 2: ADC12MEMx Overflow
case ADC12IV__ADC12TOVIFG: break; // Vector 4: Conversion time overflow
case ADC12IV__ADC12HIIFG: break; // Vector 6: ADC12BHI
case ADC12IV__ADC12LOIFG: break; // Vector 8: ADC12BLO
case ADC12IV__ADC12INIFG: break; // Vector 10: ADC12BIN
case ADC12IV__ADC12IFG0: break; // Vector 12: ADC12MEM0
case ADC12IV__ADC12IFG1:
var1 = ADC12MEM0;
break; // Vector 14: ADC12MEM1
case ADC12IV__ADC12IFG2:
var2 = ADC12MEM1;
break; // Vector 16: ADC12MEM2
case ADC12IV__ADC12IFG3: break; // Vector 18: ADC12MEM3
case ADC12IV__ADC12IFG4: break; // Vector 20: ADC12MEM4
case ADC12IV__ADC12IFG5: break; // Vector 22: ADC12MEM5
case ADC12IV__ADC12IFG6: break; // Vector 24: ADC12MEM6
case ADC12IV__ADC12IFG7: break; // Vector 26: ADC12MEM7
case ADC12IV__ADC12IFG8: break; // Vector 28: ADC12MEM8
case ADC12IV__ADC12IFG9: break; // Vector 30: ADC12MEM9
case ADC12IV__ADC12IFG10: break; // Vector 32: ADC12MEM10
case ADC12IV__ADC12IFG11: break; // Vector 34: ADC12MEM11
case ADC12IV__ADC12IFG12: break; // Vector 36: ADC12MEM12
case ADC12IV__ADC12IFG13: break; // Vector 38: ADC12MEM13
case ADC12IV__ADC12IFG14: break; // Vector 40: ADC12MEM14
case ADC12IV__ADC12IFG15: break; // Vector 42: ADC12MEM15
case ADC12IV__ADC12IFG16: break; // Vector 44: ADC12MEM16
case ADC12IV__ADC12IFG17: break; // Vector 46: ADC12MEM17
case ADC12IV__ADC12IFG18: break; // Vector 48: ADC12MEM18
case ADC12IV__ADC12IFG19: break; // Vector 50: ADC12MEM19
case ADC12IV__ADC12IFG20: break; // Vector 52: ADC12MEM20
case ADC12IV__ADC12IFG21: break; // Vector 54: ADC12MEM21
case ADC12IV__ADC12IFG22: break; // Vector 56: ADC12MEM22
case ADC12IV__ADC12IFG23: break; // Vector 58: ADC12MEM23
case ADC12IV__ADC12IFG24: break; // Vector 60: ADC12MEM24
case ADC12IV__ADC12IFG25: break; // Vector 62: ADC12MEM25
case ADC12IV__ADC12IFG26: break; // Vector 64: ADC12MEM26
case ADC12IV__ADC12IFG27: break; // Vector 66: ADC12MEM27
case ADC12IV__ADC12IFG28: break; // Vector 68: ADC12MEM28
case ADC12IV__ADC12IFG29: break; // Vector 70: ADC12MEM29
case ADC12IV__ADC12IFG30: break; // Vector 72: ADC12MEM30
case ADC12IV__ADC12IFG31: break; // Vector 74: ADC12MEM31
case ADC12IV__ADC12RDYIFG: break; // Vector 76: ADC12RDY
default: break;
}
我看不到任何 ADC12MEMx 寄存器值正在更新。 有人能指出我做了什么错吗? 配置是否有问题或其他问题?
请尽快答复我将不胜感激、因为我已经尝试了很多、并且在 ADC12MEMx 寄存器中找不到任何输入。 即使没有示例
由 TI 提供
那么、我很难弄清楚我做了什么错了?