移相全桥电压控制ccs代码

以下是一个基本的移相全桥电压控制的CCS代码示例：

#include "DSP281x_Device.h"
#include "DSP281x_Examples.h"

// 定义时钟频率
#define CPU_CLK_FREQ 150e6
#define PWM_CLK_FREQ 10e3

// 定义PWM参数
#define PWM_MAX_DUTY 1
#define PWM_MIN_DUTY 0

// 定义控制参数
#define V_REF 24
#define V_OUT 12
#define F_SWITCH 50e3
#define V_PHASE_SHIFT (V_OUT / 2)

// 定义变量
Uint16 pwm_duty = 0;
Uint16 phase_shift = 0;
Uint16 adc_result = 0;

// 初始化ADC
void init_adc(void)
{
    EALLOW;
    AdcRegs.ADCCTL1.bit.ADCBGPWD = 1;
    AdcRegs.ADCCTL1.bit.ADCREFSEL = 0;
    AdcRegs.ADCCTL1.bit.ADCENABLE = 1;
    AdcRegs.ADCCTL1.bit.ADCREFPWD = 1;
    AdcRegs.ADCCTL1.bit.ADCCLKPS = 31;
    AdcRegs.ADCCTL2.bit.ADCNONOVERLAP = 1;
    AdcRegs.ADCCTL2.bit.CLKDIV2EN = 0;
    AdcRegs.ADCCTL2.bit.ADCRES = 3;
    AdcRegs.ADCCTL2.bit.INTEN = 1;
    AdcRegs.ADCSOC0CTL.bit.CHSEL = 0;
    AdcRegs.ADCSOC0CTL.bit.TRIGSEL = 5;
    AdcRegs.INTSEL1N2.bit.INT1SEL = 0;
    AdcRegs.INTSEL1N2.bit.INT1E = 1;
    AdcRegs.INTSEL1N2.bit.INT1CONT = 0;
    AdcRegs.ADCINTFLGCLR.bit.ADCINT1 = 1;
    PieCtrlRegs.PIEIER1.bit.INTx6 = 1;
    IER |= M_INT1;
    EINT;
    AdcRegs.ADCSOCFRC1.all = 0x01;
    EDIS;
}

// ADC中断服务程序
interrupt void adc_isr(void)
{
    adc_result = AdcRegs.ADCRESULT0;
    AdcRegs.ADCINTFLGCLR.bit.ADCINT1 = 1;
    PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;
}

// 初始化PWM
void init_pwm(void)
{
    EALLOW;
    CpuSysRegs.PCLKCR0.bit.TBCLKSYNC = 0;
    GpioCtrlRegs.GPAMUX2.bit.GPIO18 = 2;
    GpioCtrlRegs.GPAMUX2.bit.GPIO19 = 2;
    EPwm1Regs.TBCTL.bit.CTRMODE = 0;
    EPwm1Regs.TBCTL.bit.PHSEN = 1;
    EPwm1Regs.TBCTL.bit.PRDLD = 0;
    EPwm1Regs.TBCTL.bit.SYNCOSEL = 3;
    EPwm1Regs.TBCTL.bit.HSPCLKDIV = 0;
    EPwm1Regs.TBCTL.bit.CLKDIV = 0;
    EPwm1Regs.TBPRD = (CPU_CLK_FREQ / (PWM_CLK_FREQ * 2)) - 1;
    EPwm1Regs.TBPHS.bit.TBPHS = phase_shift;
    EPwm1Regs.CMPA.bit.CMPA = pwm_duty * EPwm1Regs.TBPRD;
    EPwm1Regs.CMPCTL.bit.SHDWAMODE = 1;
    EPwm1Regs.AQCTLA.bit.CAU = 2;
    EPwm1Regs.AQCTLA.bit.CAD = 1;
    EPwm1Regs.CMPCTL.bit.LOADAMODE = 0;
    EPwm1Regs.CMPCTL.bit.SHDWAMODE = 1;
    EPwm1Regs.CMPCTL.bit.SHDWBMODE = 1;
    EPwm1Regs.TBCTL.bit.CTRMODE = 2;
    CpuSysRegs.PCLKCR0.bit.TBCLKSYNC = 1;
}

// 主函数
void main(void)
{
    init_system();
    init_adc();
    init_pwm();

    while (1)
    {
        // 计算移相角度
        phase_shift = (Uint16)((float)V_PHASE_SHIFT * ADC_MAX_VALUE / adc_result);

        // 计算PWM占空比
        pwm_duty = (Uint16)((float)V_REF / V_OUT / 2 * PWM_MAX_DUTY);

        // 更新PWM参数
        EPwm1Regs.TBPHS.bit.TBPHS = phase_shift;
        EPwm1Regs.CMPA.bit.CMPA = pwm_duty * EPwm1Regs.TBPRD;
    }
}

请注意，这只是一个基本的示例，并且可能需要根据您的具体硬件和应用程序进行修改。