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标题: xs128CCD采集问题,AO端口根本采集不对，我怀疑是AD采集模块问题 [打印本页]

作者: 丨奇灬锦兮丶 时间: 2015-5-27 23:56
标题: xs128CCD采集问题,AO端口根本采集不对，我怀疑是AD采集模块问题
void PortInit(void) //端口初始化
{                // 1 为输出 0 为输入
  DDRB = 0x00; //端口B方向为输入
  DDRM = 0XFF; //低四位为输入
  PTM = 0x00;


/*------------------------------
   ccd initialization
------------------------------ */
  DDRA_DDRA7 = 1; //CCD1CLK
  DDRA_DDRA5 = 1; //CCD1SI
  PORTA_PA7  = 0; //CCD1CLK
  PORTA_PA5  = 0; //CCD1SI

}
void ATD_Init(void) //AD初始化
{
ATD0CTL0 = 0x07;  //返转通道设定为AN7
ATD0CTL1 = 0x40; //7-外部触发,65:10-12位精度,4:不放电,3210:ch0 40
ATD0CTL2 = 0x40; //禁止外部触发, 中断禁止
ATD0CTL3 = 0xc0; //a右对齐无符号,每次转换7个序列, No FIFO, Freeze模式下继续转
ATD0CTL4 = 0x09; //765:采样时间为4个AD时钟周期,ATDClock=[BusClock*0.5]/[PRS+1] //转换时间 1.6us
ATD0CTL5 = 0x30; //6:0特殊通道禁止,5:1连续转换 ,4:1多通道轮流采样
ATD0DIEN = 0x00; //禁止数字输

}
void ImageCapture(unsigned char * ImageData) {
unsigned char i;
TSL1401_SI=1;          /* SI  = 1 */
SamplingDelay();
TSL1401_CLK=1;          /* CLK = 1 */
SamplingDelay();
TSL1401_SI=0;          /* SI  = 0 */
SamplingDelay();
//Delay 10us for sample the first pixel
for(i = 0; i < 10; i++) {
      Cpu_Delay1us();
}
//Sampling Pixel 1
*ImageData = (byte)( Read_ADValue(5));
*ImageData++ ;
TSL1401_CLK=0;          /* CLK = 0 */
for(i=0; i<127; i++) {
      SamplingDelay();
      SamplingDelay();
      TSL1401_CLK=1;    /* CLK = 1 */
      SamplingDelay();
      SamplingDelay();
      //Sampling Pixel 2~128
      *ImageData = (byte)( Read_ADValue(5));
      *ImageData++ ;
      TSL1401_CLK=0;    /* CLK = 0 */
}
SamplingDelay();
SamplingDelay();
TSL1401_CLK=1;          /* CLK = 1 */
SamplingDelay();
SamplingDelay();
TSL1401_CLK=0;          /* CLK = 0 */
}

作者: ThatsAlL 时间: 2015-5-28 09:35
波特率，115200！！

作者: 丨奇灬锦兮丶 时间: 2015-5-28 11:13
115200，根本就不发送了

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