Other Parts Discussed in Thread:C2000WARE
我参照ti\c2000\C2000Ware_3_03_00_00\device_support\f2837xd\examples\cpu1\adc_soc_software\cpu01
修改后,debug时发现没有读数,不知怎么回事
//########################################################################### // // FILE:main.c // //########################################################################### // // Included Files // #include "main.h" #include "algorithm.h"Uint16 AdcdResult0; // // Main // void main(void) { // // Step 1. Initialize System Control //InitSysCtrl(); // // Step 2. Initialize GPIO //InitGpio();ConfigureGpio(); // // Step 3. Clear all interrupts and initialize PIE vector table //DINT; // // Initialize the PIE control registers to their default state //InitPieCtrl(); // // Disable CPU interrupts and clear all CPU interrupt flags //IER = 0x0000;IFR = 0x0000; // // Initialize the PIE vector table with pointers to the shell Interrupt Service Routines (ISR) //InitPieVectTable();ConfigurePieVectTable(); // // Step 4. Initialize the Device Peripheral // //ConfigureADC();SET_MUX_EN;SET_MUX_A1;SET_MUX_A0;EALLOW;AdcdRegs.ADCCTL2.bit.PRESCALE = 6; //set ADCCLK divider to /4AdcSetMode(ADC_ADCD, ADC_RESOLUTION_12BIT, ADC_SIGNALMODE_SINGLE);AdcdRegs.ADCCTL1.bit.INTPULSEPOS = 1;AdcdRegs.ADCCTL1.bit.ADCPWDNZ = 1;DELAY_US(1000);EDIS;EALLOW;AdcdRegs.ADCSOC0CTL.bit.CHSEL = 0; //SOC0 will convert pin A2AdcdRegs.ADCSOC0CTL.bit.ACQPS = 63; //sample window is acqps +AdcdRegs.ADCINTSEL1N2.bit.INT1SEL = 1; //end of SOC1 will set INT1 flagAdcdRegs.ADCINTSEL1N2.bit.INT1E = 1;//enable INT1 flagAdcdRegs.ADCINTFLGCLR.bit.ADCINT1 = 1; //make sure INT1 flag is clearedEDIS; //InitCpuTimers(); //ConfigureCpuTimer(); //ConfigureExternalInterrupt();ConfigureSci();DisableEpwm();ConfigureEPwm(); //EnableEpwm(); // // Step 5. User specific code, enable interrupts //EnablingInterrupts(); // // Enable global Interrupts and higher priority real-time debug events //EINT; // Enable Global interrupt INTMERTM; // Enable Global realtime interrupt DBGM // // for(;;) //do{AdcdRegs.ADCSOCFRC1.all = 0x0001; //SOC0 and SOC1while(AdcdRegs.ADCINTFLG.bit.ADCINT1 == 0);AdcdRegs.ADCINTFLGCLR.bit.ADCINT1 = 1;AdcdResult0 = AdcdResultRegs.ADCRESULT0;}while(1); }
Green Deng:
你好,方便标注一下具体修改的是哪些代码吗?
另外,你读取的是哪个寄存器的值?程序运行是否正常?
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Susan Yang:
能否说明下您修改的部分?另外您使用的是launchpad还是自制板?
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WilliamFang:
line 63-78
line106-114
主要就是改成只才ADCD的SOC0
读的就是AdcdResultRegs.ADCRESULT0和AdcdResult0
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WilliamFang:
见上
自制版,硬件没有问题,运行另外的程序可以正常读值