PIC18 读写ATT7022的程序

#include <htc.h> #include <pic18f4523.h> #include <pic18.h> #include "v_def.h" #include "att7022.h" #include <Math.h> #include "meter.h" #include "storage.h" /*校表参数*/ u8 common_buf[256]; extern const u32 correct_value[]; u32 att7022_chksum; void delay(u32 s) { while(s-->0) NOP(); } void att_init(void) { PORTA = 0xff; LATA = 0xff; TRISA &= 0xf0; TRISA |= 0x01; TRISB &= ~(1 << 5); TRISB |= (1 << 4); } u32 ATTRead(u8 addr) { s8 n = 0; u32 result = 0; u32 h = 0; CS = 1; SCLK = 0; CS = 0; delay(SPI_SPEED); for(n = 0;n < 8;n++) { SCLK = 1; if(((addr >> (7-n))&0x01)) { DIN = 1; } else { DIN = 0; } delay(SPI_SPEED); SCLK = 0; delay(SPI_SPEED); } delay(SPI_SPEED*3); for(n = 0;n <= 23;n++) { SCLK = 1; delay(SPI_SPEED); SCLK = 0; delay(SPI_SPEED); if(DOUT == 1) h = 1; else h = 0; result = (result << 1)|h; delay(SPI_SPEED); } CS = 1; return result; } void ATTWrite(u8 addr,u32 data) { s8 n = 0; CS = 1; SCLK = 0; CS = 0; delay(SPI_SPEED); for(n = 0;n < 8;n++) { SCLK = 1; DIN = ((addr >> (7-n))&0x01); delay(SPI_SPEED); SCLK = 0; delay(SPI_SPEED); } for(n = 23;n >= 0;n--) { SCLK = 1; delay(SPI_SPEED_H); DIN = (data >> n)&0x01; delay(SPI_SPEED_H); SCLK = 0; delay(SPI_SPEED); } CS = 1; } void att7022_reset(void) { ATT_RESET = 0; delay_ms(500); ATT_RESET = 1; delay_ms(500); } void get_correct_value(void) { u32 i; for(i = 0;i < sizeof(Correct_Type);i++) { common_buf[i] = FLASH_READ((u8*)correct_value + i); } } void write_correct_to_att7022(void) { Correct_Type *correct = (Correct_Type*)common_buf; ATTWrite(w_CorrectEn,SET_ZERO); //允许写操作 delay_ms(50); ATTWrite( w_ClearCorrect,SET_ZERO); //清校表寄存器 delay_ms(50); ATTWrite( w_HFConst,correct->HFConst); ATTWrite( w_UADCPga,PGAIN_FOUR); //电压倍率4 ATTWrite( w_EAddMode,correct->EAddMode); //合相累加模式选择 //功率校正 pf = 1 ATTWrite( w_PgainA0,correct->PgainA0); //校正a功率 ATTWrite( w_PgainA1,correct->PgainA1); //校正a功率 ATTWrite( w_PgainB0,correct->PgainB0); //校正b功率 ATTWrite( w_PgainB1,correct->PgainB1); //校正b功率 ATTWrite( w_PgainC0,correct->PgainC0); //校正c功率 ATTWrite( w_PgainC1,correct->PgainC1); //校正c功率 //功率校正 pf = 1 ATTWrite( w_PhsregA0,correct->PhsregA0); //校正a相位 ATTWrite( w_PhsregB0,correct->PhsregB0); //校正b相位 ATTWrite( w_PhsregC0,correct->PhsregC0); //校正c相位 //电压,电流校正 ATTWrite( w_UgainA,correct->UgainA); //校正a电压 ATTWrite( w_UgainB,correct->UgainB); //校正b电压 ATTWrite( w_UgainC,correct->UgainC); //校正c电压 ATTWrite( w_IgainA,correct->IgainA); //校正a电流 ATTWrite( w_IgainB,correct->IgainB); //校正b电流 ATTWrite( w_IgainC,correct->IgainC); //校正c电流 ATTWrite( w_EnLineFreq,correct->EnLineFreq); //视在能量选择 ATTWrite( w_Istartup,correct->Istartup); //启动电流设置 ATTWrite( w_CorrectEn,WRITE_PROTECT); //bu允许写操作 delay_ms(500); } void att7022_Init(void) { // u8 i = 0; // for(i = 0;i < sizeof(Correct_Type);i++) // common_buf[i] = FLASH_READ(METER_PARA_IAP_ADDRESS+i); // correct = (Correct_Type *)(common_buf); //get correct data // correct = (Correct_Type *)(correct_value); //get correct data att_init(); att7022_reset(); get_correct_value(); write_correct_to_att7022(); CheckCorrect(); } void correct_init(void) { Correct_Type *correct = (Correct_Type *)correct_value; ATTWrite(w_CorrectEn,SET_ZERO); delay_ms(100); /*清校表寄存器*/ ATTWrite(w_ClearCorrect,SET_ZERO); delay_ms(100); correct->HFConst = (u32)(5760000000*0.648*0.648*4*UNi*IBi/(UN*IB*P_pulse_const_h)); ATTWrite(w_HFConst,correct->HFConst); delay_ms(100); /*电压倍率4*/ ATTWrite(w_UADCPga,0x465501); /*关闭7022写操作*/ ATTWrite(w_CorrectEn,WRITE_PROTECT); /*合相能量累加模式 三相四线：1:代数和, 0:绝对值和 三相三线：1:绝对值和, 0:代数和 */ correct->EAddMode = 1;/*三相四线：1:代数和, 0:绝对值和*/ // correct.EAddMode = 0;/*三相三线：1:绝对值和, 0:代数和*/ /*视在能量累加选择，此值为0x008127选择视在能量累加*/ correct->EnLineFreq = 0x008127; }