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/*
* File: ST7735.h
* Author: tommy
*
* Created on 17 October 2018, 7:23 PM
*/
#ifndef ST7735_H
#define ST7735_H
#ifdef __cplusplus
extern "C" {
#endif
/* Font files. Thanks Adafruit!
* We (might) have to split out fonts in to two or more
* arrays. Most devices have a limit of one RAM bank per
* which is probably 256 bytes.
*/
const char Font1[] = {
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x5F, 0x00, 0x00,
0x00, 0x07, 0x00, 0x07, 0x00,
0x14, 0x7F, 0x14, 0x7F, 0x14,
0x24, 0x2A, 0x7F, 0x2A, 0x12,
0x23, 0x13, 0x08, 0x64, 0x62,
0x36, 0x49, 0x56, 0x20, 0x50,
0x00, 0x08, 0x07, 0x03, 0x00,
0x00, 0x1C, 0x22, 0x41, 0x00,
0x00, 0x41, 0x22, 0x1C, 0x00,
0x2A, 0x1C, 0x7F, 0x1C, 0x2A,
0x08, 0x08, 0x3E, 0x08, 0x08,
0x00, 0x80, 0x70, 0x30, 0x00,
0x08, 0x08, 0x08, 0x08, 0x08,
0x00, 0x00, 0x60, 0x60, 0x00,
0x20, 0x10, 0x08, 0x04, 0x02,
0x3E, 0x51, 0x49, 0x45, 0x3E,
0x00, 0x42, 0x7F, 0x40, 0x00,
0x72, 0x49, 0x49, 0x49, 0x46,
0x21, 0x41, 0x49, 0x4D, 0x33,
0x18, 0x14, 0x12, 0x7F, 0x10,
0x27, 0x45, 0x45, 0x45, 0x39,
0x3C, 0x4A, 0x49, 0x49, 0x31,
0x41, 0x21, 0x11, 0x09, 0x07,
0x36, 0x49, 0x49, 0x49, 0x36,
0x46, 0x49, 0x49, 0x29, 0x1E,
0x00, 0x00, 0x14, 0x00, 0x00,
0x00, 0x40, 0x34, 0x00, 0x00,
0x00, 0x08, 0x14, 0x22, 0x41,
0x14, 0x14, 0x14, 0x14, 0x14,
0x00, 0x41, 0x22, 0x14, 0x08,
0x02, 0x01, 0x59, 0x09, 0x06,
0x3E, 0x41, 0x5D, 0x59, 0x4E,
0x7C, 0x12, 0x11, 0x12, 0x7C,
0x7F, 0x49, 0x49, 0x49, 0x36,
0x3E, 0x41, 0x41, 0x41, 0x22,
0x7F, 0x41, 0x41, 0x41, 0x3E,
0x7F, 0x49, 0x49, 0x49, 0x41,
0x7F, 0x09, 0x09, 0x09, 0x01,
0x3E, 0x41, 0x41, 0x51, 0x73,
0x7F, 0x08, 0x08, 0x08, 0x7F,
0x00, 0x41, 0x7F, 0x41, 0x00,
0x20, 0x40, 0x41, 0x3F, 0x01,
0x7F, 0x08, 0x14, 0x22, 0x41,
0x7F, 0x40, 0x40, 0x40, 0x40,
0x7F, 0x02, 0x1C, 0x02, 0x7F,
0x7F, 0x04, 0x08, 0x10, 0x7F,
0x3E, 0x41, 0x41, 0x41, 0x3E,
0x7F, 0x09, 0x09, 0x09, 0x06,
0x3E, 0x41, 0x51, 0x21, 0x5E,
0x7F, 0x09, 0x19, 0x29, 0x46
};
const char Font2[] = {
0x26, 0x49, 0x49, 0x49, 0x32,
0x03, 0x01, 0x7F, 0x01, 0x03,
0x3F, 0x40, 0x40, 0x40, 0x3F,
0x1F, 0x20, 0x40, 0x20, 0x1F,
0x3F, 0x40, 0x38, 0x40, 0x3F,
0x63, 0x14, 0x08, 0x14, 0x63,
0x03, 0x04, 0x78, 0x04, 0x03,
0x61, 0x59, 0x49, 0x4D, 0x43,
0x00, 0x7F, 0x41, 0x41, 0x41,
0x02, 0x04, 0x08, 0x10, 0x20,
0x00, 0x41, 0x41, 0x41, 0x7F,
0x04, 0x02, 0x01, 0x02, 0x04,
0x40, 0x40, 0x40, 0x40, 0x40,
0x00, 0x03, 0x07, 0x08, 0x00,
0x20, 0x54, 0x54, 0x78, 0x40,
0x7F, 0x28, 0x44, 0x44, 0x38,
0x38, 0x44, 0x44, 0x44, 0x28,
0x38, 0x44, 0x44, 0x28, 0x7F,
0x38, 0x54, 0x54, 0x54, 0x18,
0x00, 0x08, 0x7E, 0x09, 0x02,
0x18, 0xA4, 0xA4, 0x9C, 0x78,
0x7F, 0x08, 0x04, 0x04, 0x78,
0x00, 0x44, 0x7D, 0x40, 0x00,
0x20, 0x40, 0x40, 0x3D, 0x00,
0x7F, 0x10, 0x28, 0x44, 0x00,
0x00, 0x41, 0x7F, 0x40, 0x00,
0x7C, 0x04, 0x78, 0x04, 0x78,
0x7C, 0x08, 0x04, 0x04, 0x78,
0x38, 0x44, 0x44, 0x44, 0x38,
0xFC, 0x18, 0x24, 0x24, 0x18,
0x18, 0x24, 0x24, 0x18, 0xFC,
0x7C, 0x08, 0x04, 0x04, 0x08,
0x48, 0x54, 0x54, 0x54, 0x24,
0x04, 0x04, 0x3F, 0x44, 0x24,
0x3C, 0x40, 0x40, 0x20, 0x7C,
0x1C, 0x20, 0x40, 0x20, 0x1C,
0x3C, 0x40, 0x30, 0x40, 0x3C,
0x44, 0x28, 0x10, 0x28, 0x44,
0x4C, 0x90, 0x90, 0x90, 0x7C,
0x44, 0x64, 0x54, 0x4C, 0x44,
0x00, 0x08, 0x36, 0x41, 0x00,
0x00, 0x00, 0x77, 0x00, 0x00,
0x00, 0x41, 0x36, 0x08, 0x00,
0x24, 0x66, 0xE7, 0x66, 0x24
};
//Some bitmaps (see bitmap function for description)
//First to integers are width, height respectively.
unsigned int testBMP[] = {8, 8,
0xAAAA, 0x0000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0000, 0x5555,
0x0000, 0xAAAA, 0x000F, 0x00F0, 0x0F00, 0xF000, 0x5555, 0x0000,
0x0000, 0x0000, 0x00FF, 0x0FF0, 0xFF00, 0xF00F, 0x0000, 0x0000,
0x0000, 0x0000, 0x0FFF, 0xFFF0, 0xFF0F, 0xF0FF, 0x0000, 0x0000,
0x0000, 0x0000, 0xF0F0, 0x0F0F, 0xFFFF, 0xFFFF, 0x0000, 0x0000,
0x0000, 0x0000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0000, 0x0000,
0x0000, 0x5555, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xAAAA, 0x0000,
0x5555, 0x0000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0000, 0xAAAA
};
unsigned int downArrowBMP[] = {8, 4,
0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
0x0000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0000,
0x0000, 0x0000, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0xFFFF, 0xFFFF, 0x0000, 0x0000, 0x0000
};
//Command definitions
#define ST7735_NOP 0x00
#define ST7735_SWRESET 0x01
#define ST7735_INVOFF 0x20
#define ST7735_INVON 0x21
#define ST7735_DISPOFF 0x28
#define ST7735_DISPON 0x29
#define ST7735_CASET 0x2A
#define ST7735_RASET 0x2B
#define ST7735_RAMWR 0x2C
#define ST7735_RAMRD 0x2E
//Pin definitions (For PIC18F26K40) - change as required
//NOTE: on older micros this will just be RC0, RC1, etc.
//On newer chips we have to use the latch registers.
#define CSX LATC0 //Chip select
#define RESX LATC1 //Reset pin
#define CMD LATC2 //Command select
//Software SPI pins if required
#define SDO LATC3
#define SCK LATC4
//Use hardware SPI, will just big bang it through if false
#define USE_HW_SPI 1
//SPI Bus status register and transmission buffer
//Set these to suit your particular microcontroller
#define SPIBUF SPI1TXB
#define SPIIDLE SPI1STATUS & 0x20
void spi_write(unsigned char data);
void lcd_write_command(unsigned char data);
void lcd_write_data(unsigned char data);
void lcd_init(void);
void delay_ms(double millis);
void delay_us(long int cycles);
void lcd_init_command_list(void);
void draw_pixel(char x, char y, unsigned int colour);
void set_draw_window(char row_start, char row_end, char col_start, char col_end);
void fill_rectangle(char x1, char y1, char x2, char y2, unsigned int colour);
void draw_char(char x, char y, char c, unsigned int colour, char size);
void draw_string(char x, char y, unsigned int colour, char size, char *str);
void draw_line(char x1, char y1, char x2, char y2, unsigned int colour);
void draw_bitmap(int x, int y, int scale, unsigned int *bmp);
#ifdef __cplusplus
}
#endif
#endif /* ST7735_H */