Adi1620 xC语言程序.doc

/*/ ADI1620X角度IC驱动程序/*/#include .configc8051f310.h#include .driverdelay.h#include .driverAdi1620x.h#include .configConst.h#include .configConfig.h#include .drivermodbus.h/ADI1620X复位脚控制sbit ADI1620X_RST = P31;/读取ADI1620x测量寄存器命令数组 /x轴角度，y轴角度，采样速率,滤波系数unsigned char code RMcmd5 = 0x0C,0x0E,0x36,0x38,0x00;/ADI1620x测量数据数组unsigned int AdiMdata4;/读取ADI1620x设置寄存器命令数组 /x轴零点偏移，y轴零点偏移，采样速率，滤波系数unsigned char code RCcmd5 = 0x18,0x1A,0x36,0x38,0x00;/ADI1620x设置数据数组unsigned int AdiCdata4;/配置数据结构体extern CONFIG_PARA config;extern unsigned int HoldReg;/* Function: ADI1620X_Init;* Description: ADI1620X初始化程序;* * Input: none;* Output: none;* Return: none;* Note: none;*/void ADI1620X_Init(void) unsigned char conflag; ADI1620X_RST = 0;/复位一次Delay_ms(50); ADI1620X_RST = 1;Delay_ms(50); /略作延时待ADI1620X稳定while(1) conflag = true; /初始化配置标志 ADI1620X_CRead();/读取ADI1620X设置信息 if(AdiCdata0!=config.para0)/X轴零点偏移 if(config.para0 = 0xffff) config.para0 = 0; ADI1620X_Write(0x18,config.para0); conflag = false; if(AdiCdata1!=config.para1)/Y轴零点偏移 if(config.para1 = 0xffff) config.para1 = 0; ADI1620X_Write(0x1a,config.para1); conflag = false; if(AdiCdata2!=SMPL_PRD)/数据采样速率 ADI1620X_Write(0x36,SMPL_PRD); conflag = false; if(AdiCdata3!=AVG_CNT) /数据滤波系数 ADI1620X_Write(0x38,AVG_CNT); conflag = false;if(conflag = true) break;/设置数据完全相同退出else ADI1620X_Write(0x3E,0x0008);/ADI1620X设置数据内部保存Delay_ms(50); /略作延时在读设置 /* Function: ADI1620X_MRead;* Description: 读ADI1620X测量寄存器数据;* * Input: none;* Output: none;* Return: none;* Note: none;*/void ADI1620X_MRead(void) unsigned char i;for(i=0;i=2048)x_data = x_data - 4096; if(y_data=2048)y_data = y_data - 4096;EA = 1;HoldReg3 = AdiMdata3; HoldReg4 = x_data;HoldReg5 = y_data;HoldReg6 = AdiMdata2;/* Function: ADI1620X_CRead;* Description: 读ADI1620X设置寄存器数据;* * Input: none;* Output: none;* Return: none;* Note: none;*/void ADI1620X_CRead(void) unsigned char i;for(i=0;i5;i+) NSSMD0 = 0; SPI0DAT = RCcmdi; while(!SPIF); SPIF = 0; if(i!=0) AdiCdatai-1 = SPI0DAT*256; SPI0DAT = 0x00; while(!SPIF); SPIF = 0; if(i!=0) AdiCdatai-1 = AdiCdatai-1+SPI0DAT; NSSMD0 = 1; Delay_us(2); /* Function: ADI1620X_Write;* Description: 写ADI1620X寄存器数据;* * Input: Address 寄存器地址，Data 写入数据值;* Output: none;* Return: none;* Note: none;*/void ADI1620X_Write(unsigned char Address,unsigned int Data) unsigned char i; for(i=0;i2;i+) NSSMD0 = 0; SPI0DAT = Address|0x80+i; while(!SPIF); SPIF = 0; if(i = 0