[菜农助学交流] 第五批 之四 AD+PWM

#include <stdio.h>

#include "NUC1xx.h"

#include "Driver\DrvGPIO.h"

#include "Driver\DrvSYS.h"

#include "Driver\DrvUART.h"

#include "Driver\DrvADC.h"

#include "Driver\DrvPWM.h"



#define Run_Led 2 //2----LED1 3----LED2 4----LED3 5----LED4



void Init_System(void)

{

UNLOCKREG(x);

DrvSYS_SetOscCtrl(E_SYS_XTL12M, 1); 

DrvSYS_Delay(5000);

LOCKREG(x);

}



void delay_ms(uint32_t count)

{

uint32_t i,j;

for(i=count;i>0;i--)

for(j=2395;j>0;j--);

}



void Init_Uart(void)

{

STR_UART_T param;

DrvSYS_SelectIPClockSource(E_SYS_UART_CLKSRC,0);

DrvGPIO_InitFunction(E_FUNC_UART0); 

param.u32BaudRate = 9600; 

param.u8cDataBits = DRVUART_DATABITS_8; 

param.u8cStopBits = DRVUART_STOPBITS_1; 

param.u8cParity = DRVUART_PARITY_NONE; 

param.u8cRxTriggerLevel = DRVUART_FIFO_1BYTES; 

param.u8TimeOut = 0; 

DrvUART_Open(UART_PORT0,¶m); 

}



void Init_PWM0(void)

{

S_DRVPWM_TIME_DATA_T sPt;



sPt.u8Mode = DRVPWM_AUTO_RELOAD_MODE; 

sPt.u32Frequency = 1000; 

sPt.u8HighPulseRatio =50; 

sPt.i32Inverter = 0; 



DrvPWM_Open();



DrvPWM_SelectClockSource(DRVPWM_TIMER0, DRVPWM_EXT_12M);



DrvPWM_SetTimerClk(DRVPWM_TIMER0, &sPt);



DrvPWM_SetTimerIO(DRVPWM_TIMER0, 1);



DrvGPIO_InitFunction(E_FUNC_PWM01);



DrvPWM_Enable(DRVPWM_TIMER0, 1); /* Enable PWM timer 0 function. */ 

}



int main (void)

{



uint16_t i32ConversionData;

// uint32_t i32ConversionData_Sum;

//uint8_t IsFirst = 1;



Init_System();



Init_Uart();



Init_PWM0();



DrvGPIO_Open(E_GPA,Run_Led, E_IO_OUTPUT); 

DrvGPIO_ClrBit(E_GPA,Run_Led);



DrvGPIO_InitFunction(E_FUNC_ADC1); 

DrvADC_Open(ADC_SINGLE_END, ADC_SINGLE_OP, 0x02, EXTERNAL_12MHZ, 3); 



printf("\n");

printf("Driver version: %x\n", DrvADC_GetVersion()); 



DrvADC_EnableSelfCalibration(); 

while(DrvADC_IsCalibrationDone()==0); 

DrvADC_DisableSelfCalibration(); 

DrvSYS_Delay(5000);

while(1)

{

DrvADC_StartConvert(); 



while(DrvADC_IsConversionDone()==0); 



i32ConversionData = DrvADC_GetConversionData(1);



printf("%d\n",i32ConversionData);

DrvSYS_Delay(5000);

DrvSYS_Delay(5000);

delay_ms(1000);

PWMA->CMR0 =(PWMA->CNR0+1)*(i32ConversionData*100/4096)/100-1;

printf("PWMA->CMR0: %d\n", PWMA->CMR0);

DrvSYS_Delay(5000); 

printf("PWMA->CNR0: %d\n", PWMA->CNR0);

}

}