cs5523的代码

#include "cs5523.h" uchar idata PartSelect = 1; ////////////////cs5532 command///////////////////////////// uchar idata RWIOCR ; uchar idata RWIGRR ; uchar idata RWCR ; uchar idata RWCSR ; //////////////////// uchar idata PerformConver ; // 执行转换 uchar idata PerformCalib ; // 执行校准 uchar idata Sync1 ; // 串行口重新部分初始化顺序 uchar idata Sync0 ; // 串行口结束部分初始化顺序 uchar idata Null ; // 清除口标志，保持系统处于连续的转换模式 ///////////////////////////////////////////// uchar idata ReadBuffer[12]; void ResetChip(); uchar idata OutRate; //////////////////////////////////////////// uchar SPI_HostReadByte() { uchar idata i,rByte; rByte = 0; for(i=0;i<8;i++) { SPISCK = 0; SPISCK = 1; rByte <<= 1; rByte |= SPISO; } return rByte; } /////////////////////////////////// void SPI_HostWriteByte(uchar wByte) { uchar idata i; for(i=0;i<8;i++) { if(((wByte << i ) & 0x80) == 0x80) { SPISI = 1; } else { SPISI = 0; } SPISCK = 0; SPISCK = 1; } } //////////////////////////////////// void Cs5523ReadAdData() { uchar i; SPISCK = 0; NOP; if (PartSelect == 1) { CS1 = 0; CS2 = 1; } else if (PartSelect == 2) { CS1 = 1; CS2 = 0; } else { CS1 = 1; CS2 = 1; } PerformConver = 0x98; SPI_HostWriteByte(PerformConver); SPISO = 1; while(SPISO == 1); PerformConver = 0x00; SPI_HostWriteByte(PerformConver); for (i = 0;i < 12 ;i++) { ReadBuffer[i]=SPI_HostReadByte(); } } /////////////////////////////////// void Cs5523WriteData(uchar GeShu) { uchar i; for (i = 0;i < GeShu ;i++) { SPI_HostWriteByte(ReadBuffer[i]); } } ////////////////////////////////// void WriteCommand(uchar Commandcs) { SPI_HostWriteByte(Commandcs); } ///////////////////////////////// void Cs5523Init() { uchar idata j; bit flag22 = 0; InitT0(); TR0=1; ResetFlag = 0; delayms(65000); delayms(65000); SPISCK = 0; flag22 = 0; SPISCK = 0; CS1 = 0; ///////////////////////////////////////////////////////////// while(flag22 == 0) { RWCR = 0x0b; WriteCommand(RWCR); ReadBuffer[0] = SPI_HostReadByte(); ReadBuffer[1] = SPI_HostReadByte(); ReadBuffer[2] = SPI_HostReadByte(); EA = 0; for(j = 0;j<3;j++) { SBUF = ReadBuffer[j]; while (TI == 0); TI = 0; } EA = 1; if ((ReadBuffer[0] == 0x00)&&(ReadBuffer[1] == 0x00)&&(ReadBuffer[2] == 0xC0)) { flag22 = 1; RWCR = 0x03; ReadBuffer[0] = 0x00; ReadBuffer[1] = 0x00; ReadBuffer[2] = 0x00; WriteCommand(RWCR); Cs5523WriteData(3); P24 = !P24; } else { flag22 = 0; ResetChip(); } } /////////////////////////////////////// ReadBuffer[0] = 0x04; ReadBuffer[1] = 0x30; ReadBuffer[2] = 0x00; RWCR = 0x03; WriteCommand(RWCR); Cs5523WriteData(3); ////////////////////// delayms(1000); ReadBuffer[0] = 0x07; ReadBuffer[1] = 0xb0; ReadBuffer[2] = 0x7b; //7.5 ReadBuffer[3] = 0x0f; ReadBuffer[4] = 0xb0; ReadBuffer[5] = 0xfb; RWCSR = 0x05; WriteCommand(RWCSR); Cs5523WriteData(6); delayms(1000); PerformCalib = 0x81; WriteCommand(PerformCalib); SPISO = 1; while(SPISO == 1); delayms(1000); PerformCalib = 0x82; WriteCommand(PerformCalib); SPISO = 1; while(SPISO == 1); delayms(1000); } /////////////////////////////////////// void delayms(uint tickms) { uchar idata count,i; _nop_(); _nop_(); _nop_(); for(i=tickms;i>0;i--) { for(count=0;count<=58;count++) {;} _nop_(); } } /////////////////////////////////////// void ResetChip() { P24 = !P24; ////////////////////////////// WriteCommand(0xff); delayms(1000); WriteCommand(0xfe); ////////////////////////////// delayms(60000); RWCR = 0x03; ReadBuffer[0] = 0x00; ReadBuffer[1] = 0x00; ReadBuffer[2] = 0x80; WriteCommand(RWCR); Cs5523WriteData(3); delayms(1000); WriteCommand(0xff); delayms(1000); WriteCommand(0xfe); }