ADS8328芯片用STM32F103写的程序，接收不到数据

只看该作者 · 2017-3-22 15:18

#include "ADS8328.h"

void ADS8328_SPI_GPIO_Config(void)
{
/* 定义GPIO结构体 */
  GPIO_InitTypeDef  GPIO_InitStructure;

  /* 开启GPIO时钟 */
ADS8328_SPI_GPIO_APBxClock_FUN ( ADS8328_SPI_CS_CLK, ENABLE );
ADS8328_SPI_GPIO_APBxClock_FUN ( ADS8328_SPI_SCK_CLK, ENABLE );
ADS8328_SPI_GPIO_APBxClock_FUN ( ADS8328_SPI_MISO_CLK, ENABLE );
ADS8328_SPI_GPIO_APBxClock_FUN ( ADS8328_SPI_MOSI_CLK, ENABLE );
ADS8328_SPI_GPIO_APBxClock_FUN ( ADS8328_SPI_EOC_CLK, ENABLE );
ADS8328_SPI_GPIO_APBxClock_FUN ( ADS8328_SPI_CONVST_CLK, ENABLE );

/* ADS8328_SPI_CS_PIN引脚初始化，并设置为推挽输出 */
GPIO_InitStructure.GPIO_Pin = ADS8328_SPI_CS_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(ADS8328_SPI_CS_PORT, &GPIO_InitStructure);

/* ADS8328_SPI_SCK_PIN引脚初始化，并设置为推挽输出 */
  GPIO_InitStructure.GPIO_Pin = ADS8328_SPI_SCK_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(ADS8328_SPI_SCK_PORT, &GPIO_InitStructure);

/* ADS8328_SPI_MOSI_PIN引脚初始化，并设置为推挽输出 */
GPIO_InitStructure.GPIO_Pin = ADS8328_SPI_MOSI_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(ADS8328_SPI_MOSI_PORT, &GPIO_InitStructure);

/* ADS8328_SPI_MISO_PIN引脚初始化，并设置为浮空输入 */
GPIO_InitStructure.GPIO_Pin = ADS8328_SPI_MISO_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(ADS8328_SPI_MISO_PORT, &GPIO_InitStructure);

/* ADS8328_SPI_CONVST_PIN引脚初始化，并设置为推挽输出 */
GPIO_InitStructure.GPIO_Pin = ADS8328_SPI_CONVST_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(ADS8328_SPI_CONVST_PORT, &GPIO_InitStructure);

/* ADS8328_SPI_EOC_PIN引脚初始化，并设置为浮空输入 */
  GPIO_InitStructure.GPIO_Pin = ADS8328_SPI_EOC_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(ADS8328_SPI_EOC_PORT, &GPIO_InitStructure);

/* ADS8328_SPI_CS_HIGH为高电平 */
ADS8328_SPI_CS_HIGH;

/* ADS8328_SPI_CONVST_HIGH为高电平 */
ADS8328_SPI_CONVST_HIGH;

/* 延迟500ms */
SysTick_Delay_ms(500);

}

uint8_t ADS8328_SPI_Send4Bits(uint8_t data)
{
  uint8_t num = 0;
  int i = 0;
  data &= 0x0F;
for(i=0;i<4;i++)
{
num <<= 1;
ADS8328_SPI_SCK_HIGH;
if((data & 0x08) >> 3)
{
ADS8328_SPI_MOSI_HIGH;
}
else
{
ADS8328_SPI_MOSI_LOW;
}
if(ADS8328_SPI_MISO_READ)
{
num++;
}
SysTick_Delay_us(5);
ADS8328_SPI_SCK_LOW;
SysTick_Delay_us(5);
data <<= 1;
}
SysTick_Delay_us(5);
return(num);
}

unsigned int ADS8328_SPI_Send16Bits(unsigned int data)
{
unsigned int num = 0;
int i = 16;
while(i--)
{
num <<= 1;
ADS8328_SPI_SCK_HIGH;
if((data & 0x8000) >> 15)
{
ADS8328_SPI_MOSI_HIGH;
}
else
{
ADS8328_SPI_MOSI_LOW;
}
if(ADS8328_SPI_MISO_READ)
{
num++;
}
SysTick_Delay_us(5);
ADS8328_SPI_SCK_LOW;
SysTick_Delay_us(5);
data <<= 1;
}
SysTick_Delay_us(5);
return(num);
}

unsigned int ADS8328_SPI_ReadHalfWord(void)
{
unsigned int num = 0;
int i = 16;
while(i--)
{
num <<= 1;
ADS8328_SPI_SCK_HIGH;
if(ADS8328_SPI_MISO_READ)
{
num++;
}
ADS8328_SPI_SCK_LOW;
}
SysTick_Delay_us(5);
return(num);
}

void ADS8328_Write_CFR(unsigned int data)
{
ADS8328_SPI_CS_LOW;
ADS8328_SPI_Send16Bits(data);
ADS8328_SPI_CS_HIGH;
}

void ADS8328_Read_CFR(unsigned int *data1)
{
ADS8328_SPI_CS_LOW;
*data1 = ADS8328_SPI_Send16Bits(0xC000)&0x0FFF;
ADS8328_SPI_CS_HIGH;
}

unsigned int ADS8328_Read_Data(void)
{
unsigned int ret = 0;
ADS8328_SPI_CS_LOW;
SysTick_Delay_us(3);
ADS8328_SPI_CS_HIGH;

while(!ADS8328_SPI_EOC);

ADS8328_SPI_CONVST_LOW;
SysTick_Delay_us(1);
ADS8328_SPI_CONVST_HIGH;

ADS8328_SPI_CS_LOW;
ret = ADS8328_SPI_ReadHalfWord();
ADS8328_SPI_CS_HIGH;

return ret;
}

void ADS8328_Init_Config(void)
{
unsigned int AD_Reg_Rd = 0;
ADS8328_SPI_CONVST_LOW;
SysTick_Delay_ms(100);
ADS8328_SPI_CONVST_HIGH;

ADS8328_SPI_CS_LOW;
ADS8328_SPI_Send4Bits(0x0F);
ADS8328_SPI_CS_HIGH;
SysTick_Delay_us(100);

ADS8328_Read_CFR(&AD_Reg_Rd);

ADS8328_Write_CFR(0x0EFF);
ADS8328_Read_CFR(&AD_Reg_Rd);

ADS8328_Write_CFR(0x02FD);
ADS8328_Read_CFR(&AD_Reg_Rd);

ADS8328_Write_CFR(0x06FF);
ADS8328_Read_CFR(&AD_Reg_Rd);

ADS8328_Write_CFR(0x02FD);
ADS8328_Read_CFR(&AD_Reg_Rd);
}

void ADS8328_Init(void)
{
ADS8328_SPI_GPIO_Config();
ADS8328_Init_Config();
}

求各位大神帮忙看看，搞了快一个礼拜了，有点烦啊

只看该作者 · 2018-9-26 11:45

楼主你的程序调什么样了，最近我参考了下你的程序，还不够完整，自己调试有点问题，有没有完整程序，供小弟参考一下