109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
// https://raw.githubusercontent.com/russhughes/gc9a01_mpy/main/src/gc9a01.h
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#ifndef __GC9A01_H__
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#define __GC9A01_H__
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// color modes
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#define COLOR_MODE_65K 0x50
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#define COLOR_MODE_262K 0x60
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#define COLOR_MODE_12BIT 0x03
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#define COLOR_MODE_16BIT 0x05
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#define COLOR_MODE_18BIT 0x06
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#define COLOR_MODE_16M 0x07
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// commands
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#define GC9A01_NOP 0x00
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#define GC9A01_SWRESET 0x01
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#define GC9A01_RDDID 0x04
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#define GC9A01_RDDST 0x09
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#define GC9A01_SLPIN 0x10
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#define GC9A01_SLPOUT 0x11
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#define GC9A01_PTLON 0x12
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#define GC9A01_NORON 0x13
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#define GC9A01_INVOFF 0x20
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#define GC9A01_INVON 0x21
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#define GC9A01_DISPOFF 0x28
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#define GC9A01_DISPON 0x29
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#define GC9A01_CASET 0x2A
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#define GC9A01_RASET 0x2B
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#define GC9A01_RAMWR 0x2C
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#define GC9A01_RAMRD 0x2E
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#define GC9A01_PTLAR 0x30
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#define GC9A01_VSCRDEF 0x33
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#define GC9A01_COLMOD 0x3A
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#define GC9A01_MADCTL 0x36
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#define GC9A01_VSCSAD 0x37
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#define GC9A01_MADCTL_MY 0x80 // Page Address Order
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#define GC9A01_MADCTL_MX 0x40 // Column Address Order
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#define GC9A01_MADCTL_MV 0x20 // Page/Column Order
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#define GC9A01_MADCTL_ML 0x10 // Line Address Order
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#define GC9A01_MADCTL_MH 0x04 // Display Data Latch Order
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#define GC9A01_MADCTL_RGB 0x00
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#define GC9A01_MADCTL_BGR 0x08
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#define GC9A01_RDID1 0xDA
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#define GC9A01_RDID2 0xDB
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#define GC9A01_RDID3 0xDC
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#define GC9A01_RDID4 0xDD
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// Color definitions
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#define BLACK 0x0000
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#define BLUE 0x001F
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#define RED 0xF800
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#define GREEN 0x07E0
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#define CYAN 0x07FF
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#define MAGENTA 0xF81F
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#define YELLOW 0xFFE0
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#define WHITE 0xFFFF
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GC9A01_H__ */
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#include "hardware/spi.h"
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#include "gfxfont.h"
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// this is the actual C-structure for our new object
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typedef struct _gc9a01_GC9A01_obj_t {
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spi_inst_t *spi_obj;
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uint16_t *i2c_buffer; // resident buffer if buffer_size given
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void *work; // work buffer for jpg decoding
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ulong buffer_size; // resident buffer size, 0=dynamic
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uint16_t display_width; // physical width
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uint16_t width; // logical width (after rotation)
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uint16_t display_height; // physical width
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uint16_t height; // logical height (after rotation)
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uint8_t xstart;
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uint8_t ystart;
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uint8_t rotation;
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int reset;
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int dc;
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int cs;
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int backlight;
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} gc9a01_GC9A01_obj_t;
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void gc9a01_init(gc9a01_GC9A01_obj_t *self);
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void gc9a01_on(gc9a01_GC9A01_obj_t *self);
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void gc9a01_fill(gc9a01_GC9A01_obj_t *self, uint16_t color);
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void gc9a01_draw_pixel(gc9a01_GC9A01_obj_t *self, uint16_t x, uint16_t y, uint16_t color);
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void gc9a01_rect(gc9a01_GC9A01_obj_t *self, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t color);
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void gc9a01_fill_rect(gc9a01_GC9A01_obj_t *self, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t color);
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void gc9a01_set_rotation(gc9a01_GC9A01_obj_t *self);
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void gc9a01_hline(gc9a01_GC9A01_obj_t *self, uint16_t x, uint16_t y, uint16_t w, uint16_t color);
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void gc9a01_vline(gc9a01_GC9A01_obj_t *self, uint16_t x, uint16_t y, uint16_t w, uint16_t color);
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void gc9a01_text(gc9a01_GC9A01_obj_t *self, GFXfont *font, char *str, uint16_t x0, uint16_t y0, uint16_t fg_color, uint16_t bg_color);
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uint8_t gc9a01_get_color(uint8_t bpp);
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uint16_t color565(uint8_t r, uint8_t g, uint8_t b);
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