[菜农助学交流] 【第三批】ADC通道1和VBG电源实验

 

#include "NUC1xx.h"

#include "drvsys.h"

#include "drvgpio.h"

#include "drvuart.h"

#include "drvadc.h"

static void ClockInit( void )

{

UNLOCKREG();

DrvSYS_SetOscCtrl( E_SYS_XTL12M, ENABLE ); 

DrvSYS_SelectPLLSource( E_SYS_EXTERNAL_12M ); 

DrvSYS_Open(48000000);  

DrvSYS_SelectSysTickSource( 3 );

}

static void UartInit( void )

{

STR_UART_T sParam; 

sParam.u32BaudRate = 115200;  

sParam.u8cDataBits = DRVUART_DATABITS_8;

sParam.u8cStopBits = DRVUART_STOPBITS_1; 

sParam.u8cParity   = DRVUART_PARITY_NONE; 

sParam.u8cRxTriggerLevel = DRVUART_FIFO_1BYTES;

DrvSYS_SelectIPClockSource(E_SYS_UART_CLKSRC, INTERNAL_HCLK); 

DrvUART_Open (UART_PORT0, &sParam);

DrvGPIO_InitFunction(E_FUNC_UART0_RX_TX);

}

static void ADCInit( void )

{

DrvADC_Open(ADC_SINGLE_END, ADC_SINGLE_CYCLE_OP, (1 << 1) | (1 << 7), EXTERNAL_12MHZ, 11);   //Set adc parameter

DrvADC_ConfigADCChannel7( INTERNAL_BANDGAP );

DrvGPIO_InitFunction(E_FUNC_ADC1);

DrvADC_EnableSelfCalibration();  //start calibration

while(DrvADC_IsCalibrationDone() == 0);

}

void SystemInit( void )

{

ClockInit();

UartInit();

ADCInit();

}

/* 重定向PRINTF函数到串口1*/

int putchar(int __c)

{

if(DrvUART_Write(UART_PORT0, (unsigned char *)__c, 1))

  return 1;

else

  return 0;

}

 



#include "NUC1xx.h"

#include <rtl.h>

#include "drvgpio.h"

#include "bsp.h"

#include "drvuart.h"

#include "drvadc.h"

#include <stdio.h>



__task void ledtask( void )

{



for( ;; )

{  

  unsigned int i;

  float j;

  DrvADC_StartConvert();   //start first convert

  os_dly_wait( 200 );

  i = DrvADC_GetConversionData( 1 );

  j = (float)i * 3.3 / 4095;

  printf("The ADC Channel 1 Voltage:%1.3f V\n", j);



  i = DrvADC_GetConversionData( 7 );

  j = (float)i * 3.3 / 4095;

  printf("The VBG Voltage:%1.3f V\n", j);

}

}

__task void taskinit( void )

{

os_tsk_create(ledtask, 1);  //创建任务

os_tsk_delete_self();   //删除自己

for( ;; )

{

}

}



int main( void )

{



os_sys_init( taskinit ); //启动任务调度器

while( 1 )

{

}

}