CS5532 C51驱动程序

//The program for CS5532-ASZ
//This is a 24bit ADC and PGIA
//Made by OurWay and 2006/03/21
//#include
//#include
//根据实际情况定义
//sbit SDI5532 = P2^1;
//sbit SDO5532 = P2^2;
//sbit CLK5532 = P2^3;
//sbit CS5532 = P2^0;
//sbit ACC7 = ACC^7;
//sbit ACC0 = ACC^0;
//#define BYTE unsigned ｃｈａｒ
//#define WORD unsigned int
#define Adjust5532Run 0
#define ReadSADC5532Run 1
#define ReadMADC5532Run 1
//The ADC results varibles define
struct{
unsigned ｃｈａｒ top;
unsigned ｃｈａｒ high;
unsigned ｃｈａｒ mid;
unsigned ｃｈａｒ low;
}
RegDat;
//The CS5532-ASZ comm define
#define RegRead 0x08
#define RegWrite 0x00
//=== Offset Register ===
#define OffsetRS 0x09
//=== Gain Register ===
#define GainRS 0x0a
//=== Configuration Register ===
#define ConfigWrite 0x03//write config
#define ConfigRead 0x0b//read config
#define PSS 0x80//Power Save ｓｅｌｅｃｔ
#define PDW 0x40//Power Down Mode
#define RS 0x20//Reset System
#define RV 0x10 //Reset Valid
#define IS 0x08//Input Short
#define GB 0x04//Guard Signal Bit
#define VRS 0x02//Voltage Reference ｓｅｌｅｃｔ(Ref>2.5V,VRS=0)
#define A1 0x01
#define A0 0x80
#define OLS 0x40
#define OGS 0x10
#define FRS 0x08

//=== Channel Setup Register ===
#define SetupCH1 0x05
#define SetupCH2 0x15
//Channel ｓｅｌｅｃｔ Bits
#define CH1 0x00//CS1=0,CS0=0
#define CH2 0x40//CS1=0,CS0=1
//Gain Bits
#define Gain1 0x00
#define Gain2 0x08
#define Gain4 0x10
#define Gain8 0x18
#define Gain16 0x20
#define Gain32 0x28
#define Gain64 0x30
//=== Converter mode ===
#define SingleC 0x80
#define ContinC 0xC0
#define Setup1 0x00
#define Setup2 0x08
#define Setup3 0x10
#define Setup4 0x18
#define Setup5 0x20
#define Setup6 0x28
#define Setup7 0x30
#define Setup8 0x38
//The data(8bit) form MCU to CS5532
void SendByte5532(unsigned ｃｈａｒ Dat)
{
unsigned ｃｈａｒ i;
CLK5532 = 0;
for(i=8;i>0;i--)
{
SDI5532=(bit)(Dat & 0x80);
CLK5532=1;
_nop_();_nop_();
_nop_();_nop_();
CLK5532=0;
_nop_();_nop_();
_nop_();_nop_();
Dat = Dat<<1;
}
SDI5532 = 1;
}
//The Setup CS5532's register
void WriteReg5532(BYTE command,BYTE low,BYTE mid,BYTE high,BYTE top)
{
CS5532 = 0;
SendByte5532(command);
SendByte5532(low);
SendByte5532(mid);
SendByte5532(high);
SendByte5532(top);
CS5532 = 1;
}
//The data(8bit) form CS5532 to MCU
unsigned ｃｈａｒ ReceiveByte5532(void)
{
unsigned ｃｈａｒ i;
ACC=0;
for(i=8;i>0;i--)
{
ACC=ACC<<1;
ACC0=SDO5532;
CLK5532=1;
_nop_();_nop_();
_nop_();_nop_();
CLK5532=0;
_nop_();_nop_();
_nop_();_nop_();
}
return(ACC);
}
//Receive ADC signal data form CS5532 to MCU
#if ReadSADC5532Run
void ReadSADC5532(unsigned ｃｈａｒ command)
{
CS5532 = 0;
SendByte5532(command);
do{_nop_();CLK5532=0;SDI5532=0;}while(SDO5532!=0);
SendByte5532(0x00);//8bit SCLK and SDI=0;
RegDat.top = ReceiveByte5532();
RegDat.high = ReceiveByte5532();
RegDat.mid = ReceiveByte5532();
RegDat.low = ReceiveByte5532();
CS5532 = 1;
}
#endif
【CS5532 C51驱动程序】#if ReadMADC5532Run
void ReadMADC5532(unsigned ｃｈａｒ command)
{
CS5532 = 0;
do{_nop_();}while(SDO5532!=0);
//SDO5532 = 1;
SendByte5532(command);//8bit SCLK and SDI=command;
RegDat.top = ReceiveByte5532();
RegDat.high = ReceiveByte5532();
RegDat.mid = ReceiveByte5532();
RegDat.low = ReceiveByte5532();
CS5532 = 1;
}
#endif
//Receive CS5532's Register from CS5532 to MCU
void ReadReg5532(unsigned ｃｈａｒ command)
{
CS5532 = 0;
SendByte5532(command);
RegDat.top = ReceiveByte5532();
RegDat.high = ReceiveByte5532();
RegDat.mid = ReceiveByte5532();
RegDat.low = ReceiveByte5532();
CS5532 = 1;
}
#if Adjust5532Run
void Adjust5532(unsigned ｃｈａｒ command)
{
CS5532 = 0;
SendByte5532(command);
do{_nop_();}while(SDO5532!=0);
SendByte5532(0x0a);
RegDat.top = ReceiveByte5532();
RegDat.high = ReceiveByte5532();
RegDat.mid = ReceiveByte5532();
RegDat.low = ReceiveByte5532();
CS5532 = 1;
}
#endif
//The initialization CS5532
void Init5532(void)
{
WriteReg5532(0xff,0xff,0xff,0xff,0xff);
WriteReg5532(0xff,0xff,0xff,0xff,0xff);
WriteReg5532(0xff,0xff,0xff,0xff,0xff);
WriteReg5532(0xff,0xff,0xff,0xff,0xfe);
}
//The CS5532-ASZ subpram end
//用的时间注意我定义的宏，这是个查询方式采集AD值的程序。

CS5532 C51驱动程序

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