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main.c
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main.c
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/*
* This is a test harness for the UC8151c e-ink display driver chip.
*
* File: main.c
* Author: tommy
*
* Created on 2 December 2019, 5:03 PM
*/
#include <xc.h>
#include "UC8151c.h"
#include "configuration.h"
const unsigned char image1[] = {
0x00, 0xAA, 0x55, 0xFF,
0xFF, 0x55, 0xAA, 0x00,
0x00, 0xAA, 0x55, 0xFF,
0xFF, 0x55, 0xAA, 0x00,
0x00, 0xAA, 0x55, 0xFF,
0xFF, 0x55, 0xAA, 0x00,
0x00, 0xAA, 0x55, 0xFF,
0xFF, 0x55, 0xAA, 0x00,
0x00, 0xAA, 0x55, 0xFF,
0xFF, 0x55, 0xAA, 0x00,
0x00, 0xAA, 0x55, 0xFF,
0xFF, 0x55, 0xAA, 0x00,
0x00, 0xAA, 0x55, 0xFF,
0xFF, 0x55, 0xAA, 0x00,
0x00, 0xAA, 0x55, 0xFF,
0xFF, 0x55, 0xAA, 0x00};
/*
* Initialise SPI port for the display
*/
void initSPI() {
//Set PPS ports for the SPI1 module
RC0PPS = 0b11111; //SDO on RC0
RC1PPS = 0b11110; //SCL on RC1
//Set SPI baud rate FOSC / 16. Aiming for a ~2MHz clock.
SPI1BAUD = 0x07;
//Transmit only mode
SPI1CON2 = 0b00000010;
//SPI clock idle LOW, SDO is active HIGH, Data on active-idle clock transition.
SPI1CON1 = 0b01000000;
//Enable SPI bus. MSB first.
SPI1CON0 = 0b10000011;
}
void main(void) {
//Set oscillator to 32MHz
OSCFRQ = 0b00000110;
//Set Port C to OUTPUT
TRISC = 0x00;
//Set the busy pin INPUT
TRISC5 = 1;
ANSELC = 0x00;
//Begin SPI
initSPI();
//Initialise the LCD
lcd_init();
//Clear the LCD
lcd_clear();
lcd_draw_string(0, 0, "Hello World", 1);
lcd_fill_rectangle(0, 16, WIDTH, 32, 0x00);
lcd_draw_string(0, 16, "Hello World Black", 0);
lcd_draw_bitmap(image1, 64, 64, 64, 8);
lcd_refresh();
lcd_sleep();
while(1);
return;
}