[经验]

【M0】 MG32F02A 学习笔记⑰ PWM互补输出带死区

noctor

2019-11-18 13:19:16

1487 单片机编程 Cortex-M0

上回我们说到了MG32F02A的PWM触发ADC的使用。
那上次说过了PWM触发ADC，那么死区控制相信大家肯定也是需要用的，所以来放上代码。

#include "MG32x02z_DRV.H"
#include
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
#define TM36_PrescalerCounter_Range 120
#define TM36_MainCounter_Range 1000
//if user wants to delay 1ms and CK_TM00_PR is 12MHz.
//The Total clocks is 12M*1ms = 12000.
//User can set "clock prescaler"=100 and "pulse width"=120 .
void Sample_TM36_PWM(void)
{
TM_timeBaseInitTypeDef TM_TimeBase_InitStruct;
TM_DeInit(TM36);
TM_TimeBaseStruct_Init(&TM_TimeBase_InitStruct);
TM_TimeBase_InitStruct.TM_MainClockDirection =TM_UpCount;
TM_TimeBase_InitStruct.TM_Period = TM36_MainCounter_Range - 1;
TM_TimeBase_InitStruct.TM_Prescaler = TM36_PrescalerCounter_Range - 1;
TM_TimeBase_InitStruct.TM_CounterMode = Cascade;
TM_TimeBase_Init(TM36, &TM_TimeBase_InitStruct);
TM_CH0Function_Config(TM36, TM_16bitPWMDTG);
TM_CH2Function_Config(TM36, TM_16bitPWMDTG);
TM_OC01Output_Cmd(TM36,ENABLE); // TM36_OC01
TM_InverseOC0z_Cmd(TM36, DISABLE);
TM_OC0zOutputState_Init(TM36, CLR);
TM_SetCC0A(TM36,500);
TM_SetCC0B(TM36,500);
TM_SetDeadZoneClockDivider(TM36,TM_DTDIV8); //DeadTime DIV
TM_SetDeadTime(TM36,200); //DeadTime count
TM_OC2Output_Cmd(TM36,ENABLE); // TM36_OC2
TM_InverseOC2_Cmd(TM36, DISABLE);
TM_OC2OutputState_Init(TM36, CLR);
TM_OC2NOutput_Cmd(TM36, ENABLE); //DeadTime should be used with OCN
TM_InverseOC2N_Cmd(TM36, DISABLE);
TM_SetCC2A(TM36,300);
TM_SetCC2B(TM36,300);
TM_AlignmentMode_Select(TM36, TM_EdgeAlign);
TM_ClearFlag(TM36, TMx_CF0A | TMx_CF1A | TMx_CF2A |TMx_CF3A);
TM_Timer_Cmd(TM36,ENABLE);
}
void CSC_Init (void)
{
CSC_PLL_TyprDef CSC_PLL_CFG;
UnProtectModuleReg(MEMprotect); // Setting flash wait state
MEM_SetFlashWaitState(MEM_FWAIT_ONE); // 50MHz> Sysclk >=25MHz
ProtectModuleReg(MEMprotect);
UnProtectModuleReg(CSCprotect);
CSC_CK_APB_Divider_Select(APB_DIV_1); // Modify CK_APB divider APB=CK_MAIN/1
CSC_CK_AHB_Divider_Select(AHB_DIV_1); // Modify CK_AHB divider AHB=APB/1
/* CK_HS selection */
CSC_IHRCO_Select(IHRCO_12MHz); // IHRCO Sel 12MHz
CSC_IHRCO_Cmd(ENABLE);
while(CSC_GetSingleFlagStatus(CSC_IHRCOF) == DRV_Normal);
CSC_ClearFlag(CSC_IHRCOF);
CSC_CK_HS_Select(HS_CK_IHRCO); // CK_HS select IHRCO
/* PLL */
/**********************************************************/
CSC_PLL_CFG.InputDivider=PLLI_DIV_2; // 12M/2=6M
CSC_PLL_CFG.Multiplication=PLLIx16; // 6M*16=96M
CSC_PLL_CFG.OutputDivider=PLLO_DIV_2; // PLLO=96M/2=48M
CSC_PLL_Config(&CSC_PLL_CFG);
CSC_PLL_Cmd(ENABLE);
while(CSC_GetSingleFlagStatus(CSC_PLLF) == DRV_Normal);
CSC_ClearFlag(CSC_PLLF);
/**********************************************************/
/* CK_MAIN */
CSC_CK_MAIN_Select(MAIN_CK_HS);
/* Configure ICKO function */
/* Configure peripheral clock */
CSC_PeriphOnModeClock_Config(CSC_ON_PortA,ENABLE); // Enable Port A clock
CSC_PeriphOnModeClock_Config(CSC_ON_PortB,ENABLE); // Enable Port B clock
CSC_PeriphOnModeClock_Config(CSC_ON_PortC,ENABLE); // Enable Port C clock
CSC_PeriphOnModeClock_Config(CSC_ON_PortD,ENABLE); // Enable Port D clock
CSC_PeriphProcessClockSource_Config(CSC_TM36_CKS, CK_APB);
CSC_PeriphOnModeClock_Config(CSC_ON_TM36, ENABLE); // Enable TIM36 module clock
ProtectModuleReg(CSCprotect);
}
int main()
{
int i;
double x;
PIN_InitTypeDef PINX_InitStruct;
CSC_Init();
Sample_TM36_PWM();
PINX_InitStruct.PINX_Mode = PINX_Mode_PushPull_O; // Pin select Push Pull mode
PINX_InitStruct.PINX_PUResistant = PINX_PUResistant_Enable; // Enable pull up resistor
PINX_InitStruct.PINX_Speed = PINX_Speed_Low;
PINX_InitStruct.PINX_OUTDrive = PINX_OUTDrive_Level0; // Pin output driver full strength.
PINX_InitStruct.PINX_FilterDivider = PINX_FilterDivider_Bypass; // Pin input deglitch filter clock divider bypass
PINX_InitStruct.PINX_Inverse = PINX_Inverse_Disable; // Pin input data not inverse
PINX_InitStruct.PINX_Alternate_Function = 6; //AFS = TM36OC01
GPIO_PinMode_Config(PINB(8),&PINX_InitStruct);
PINX_InitStruct.PINX_Alternate_Function = 6; //AFS = TM36OC2N
GPIO_PinMode_Config(PIND(1),&PINX_InitStruct);
i=0;
while(1)
{
}
}