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Generalize ST7789 init. sequence (#312)

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kromych
2023-02-04 14:39:22 -08:00
committed by GitHub
parent ec52f31d84
commit e2a389c359
1 changed files with 6 additions and 5 deletions
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11
pio/st7789_lcd/st7789_lcd.c
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@@ -15,6 +15,7 @@
#include "st7789_lcd.pio.h"
#include "raspberry_256x256_rgb565.h"
// Tested with the parts that have the height of 240 and 320
#define SCREEN_WIDTH 240
#define SCREEN_HEIGHT 240
#define IMAGE_SIZE 256
@@ -32,16 +33,16 @@
// Format: cmd length (including cmd byte), post delay in units of 5 ms, then cmd payload
// Note the delays have been shortened a little
static const uint8_t st7789_init_seq[] = {
1, 20, 0x01, // Software reset
1, 10, 0x11, // Exit sleep mode
1, 20, 0x01, // Software reset
1, 10, 0x11, // Exit sleep mode
2, 2, 0x3a, 0x55, // Set colour mode to 16 bit
2, 0, 0x36, 0x00, // Set MADCTL: row then column, refresh is bottom to top ????
5, 0, 0x2a, 0x00, 0x00, 0x00, 0xf0, // CASET: column addresses from 0 to 240 (f0)
5, 0, 0x2b, 0x00, 0x00, 0x00, 0xf0, // RASET: row addresses from 0 to 240 (f0)
5, 0, 0x2a, 0x00, 0x00, SCREEN_WIDTH >> 8, SCREEN_WIDTH & 0xff, // CASET: column addresses
5, 0, 0x2b, 0x00, 0x00, SCREEN_HEIGHT >> 8, SCREEN_HEIGHT & 0xff, // RASET: row addresses
1, 2, 0x21, // Inversion on, then 10 ms delay (supposedly a hack?)
1, 2, 0x13, // Normal display on, then 10 ms delay
1, 2, 0x29, // Main screen turn on, then wait 500 ms
0 // Terminate list
0 // Terminate list
};
static inline void lcd_set_dc_cs(bool dc, bool cs) {