主题中讨论的其他器件:SysConfig、 C2000WARE
#include "F2806x_Device.h"
#include "F2806x_Examples.h"
// Define ADC and PWM settings
#define ADC_CHANNEL ADC_SOC_Number0 // ADC channel to use
#define PWM_PERIOD 1000 // PWM period in SysClk cycles (change as needed)
// Function prototypes
void ConfigureADC(void);
void ConfigurePWM(void);
void main(void)
{
// Initialize system
InitSysCtrl();
// Initialize peripherals
ConfigureADC();
ConfigurePWM();
// Main loop
while(1)
{
// Start ADC conversion
AdcRegs.ADCSOCFRC1.bit.SOC0 = 1;
while(AdcRegs.ADCINTFLG.bit.ADCINT1 == 0); // Wait for ADC conversion
AdcRegs.ADCINTFLGCLR.bit.ADCINT1 = 1; // Clear ADC interrupt flag
// Read ADC result
Uint16 adcResult = AdcResult.ADCRESULT0;
// Map ADC result to PWM duty cycle (0-1000)
Uint16 dutyCycle = (adcResult * PWM_PERIOD) / 4095; // Assuming 12-bit ADC
// Set PWM duty cycle
EPwm1Regs.CMPA.half.CMPA = dutyCycle;
// Add delay or other processing as needed
}
}
// Configure ADC settings
void ConfigureADC(void)
{
// Enable ADC clock
AdcRegs.ADCTRL3.all = 0x00;
// Initialize ADC settings
AdcRegs.ADCMAXCONV.all = 0x0000; // Set maximum conversion
AdcRegs.ADCCHSELSEQ1.all = 0x0000; // Disable all ADC channels
AdcRegs.ADCCHSELSEQ1.bit.CONV00 = ADC_CHANNEL; // Enable selected ADC channel
AdcRegs.ADCSOC0CTL.bit.CHSEL = ADC_CHANNEL; // Select ADC channel for SOC0
// Configure ADC trigger
AdcRegs.ADCTRL1.bit.CONT_RUN = 0; // Single conversion mode
AdcRegs.ADCTRL2.bit.INT_ENA_SEQ1 = 1; // Enable ADCINT1
AdcRegs.ADCTRL2.bit.SOC_SEQ1 = 1; // Enable ADC SOC0
AdcRegs.ADCTRL2.bit.EPWM_SOCA_SEQ1 = 1; // Enable SOCA from ePWM to start SOC conversion
// ADC Calibration
AdcRegs.ADCCTL1.bit.ADCBGPWD = 1; // Power up bandgap reference circuit
AdcRegs.ADCCTL1.bit.ADCREFPWD = 1; // Power up reference buffer circuit
AdcRegs.ADCCTL1.bit.ADCPWDN = 1; // Power up rest of ADC circuits
AdcRegs.ADCCTL1.bit.ADCENABLE = 1; // Enable ADC
// Delay for ADC calibration
DELAY_US(1000); // Adjust delay as needed
AdcRegs.ADCSOC0CTL.bit.TRIGSEL = 5; // Select ePWM1 as SOC trigger
}
// Configure PWM settings
void ConfigurePWM(void)
{
// Enable PWM clocks
CpuSysRegs.PCLKCR2.bit.EPWM1 = 1; // Enable ePWM1 clock
// Initialize ePWM settings
EPwm1Regs.TBCTL.bit.CTRMODE = TB_COUNT_UPDOWN; // Up-down count mode
EPwm1Regs.TBPRD = PWM_PERIOD - 1; // Set PWM period
EPwm1Regs.CMPA.half.CMPA = PWM_PERIOD / 2; // Set initial duty cycle (50%)
EPwm1Regs.AQCTLA.bit.CAU = AQ_CLEAR; // Clear PWM output on CMPA up-count
EPwm1Regs.AQCTLA.bit.ZRO = AQ_SET; // Set PWM output on zero
// Enable PWM outputs
EPwm1Regs.TBCTL.bit.PHSEN = 0; // Disable phase sync
EPwm1Regs.TBCTL.bit.PHSDIR = 1; // Set phase direction to count up after sync
EPwm1Regs.TBCTL.bit.SYNCOSEL = 0; // Pass through EPWMxSYNC
EPwm1Regs.TBCTL.bit.HSPCLKDIV = 0; // High-speed clock divider
EPwm1Regs.TBCTL.bit.CLKDIV = 0; // Clock divider
EPwm1Regs.TBCTL.bit.PRDLD = TB_IMMEDIATE; // Load TBPRD immediately
// Start PWM counter
EPwm1Regs.TBCTL.bit.SWFSYNC = 1; // Force immediate synchronization
EPwm1Regs.TBCTL.bit.CTRMODE = TB_COUNT_UPDOWN; // Up-down count mode
}
我在尝试构建程序时遇到错误
