User Guide

1LSb Octal DAC Evaluation Board User’s Guide

DS50003218A-page 26  2021

Microchip Technology Inc. and its subsidiaries

// #pragma config statements should precede project file include

void ADC_Initialize(void);

void Delay( unsigned int );

void SPI1_Initialize(void);

void SwitchInit(void);

void SW1(void);

void SW2(void);

void SPI1_WriteWord(unsigned char addr,unsigned int data);

unsigned int SPI1_ReadWord (unsigned char addr );

void SystemInit(void);

void StartADCoversion(void);

void I2C1_Initialize(void);

void I2C1Write(unsigned char ControlByte ,unsigned char addr,unsigned int data);

unsigned int I2C1ReadLastAddr(unsigned char ControlByte );

unsigned int I2C1Read(unsigned char ControlByte ,unsigned char addr);

void I2C1_IntPoll(void);

void I2C1_ACKCheck(void);

void I2C1_ACK(void);

void I2C1_NACK(void);

#define CNTRLBYTE 0xC0

#define CS PORTAbits.RA3

#define TRIS_CS TRISAbits.TRISA3

#define DIGTAL_CS ANSELAbits.ANSELA3

#define SWITCH1 PORTBbits.RB4

#define TRIS_SWITCH1 TRISBbits.TRISB4

#define DIGTAL_SWITCH1 ANSELBbits.ANSELB4

#define SWITCH2 PORTCbits.RC5

#define TRIS_SWITCH2 TRISCbits.TRISC5

#define DIGTAL_SWITCH2 ANSELCbits.ANSELC5

#define LED2 PORTAbits.RA4

#define LED3 PORTAbits.RA5

#define LED4 PORTAbits.RA6

#define LED5 PORTAbits.RA7

#define SPI_SINE 0x55

#define SPI_SAWTOOTH 0xAA

#define I2C_SINE 0x50