User Guide

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1LSb Octal DAC Evaluation Board User’s Guide

DS50003218A-page 28  2021

Microchip Technology Inc. and its subsidiaries

SwitchInit();

ADC_Initialize();

SPI1_Initialize();

Status=SPI_SINE;

SinePtr=&SINE[0];

while (1)

{

SPI1_Initialize();

while(Status==SPI_SINE)

{

for(temp=0;temp<360;temp++)

{

StartADCoversion();

for(del=0;del<(ADRES>>4);del++); // delay based from ADC pot reading

SPI1_WriteWord(DAC0,*(SinePtr+temp));

SW1();

SW2();

}

LED2=0;

LED3=0;

LED4^=1;

LED5=0;

}

SPI1_Initialize();

while(Status==SPI_SAWTOOTH)

{

for(temp=0;temp<0xFFF;temp++)

{

StartADCoversion();

for(del=0;del<(ADRESL>>4);del++);

SPI1_WriteWord(0x00,temp);

SW1();

SW2();

}

LED2=0;

LED3=0;;

LED4=0;

LED5^=1;

}

I2C1_Initialize();

while(Status==I2C_SINE)

{