Added ST7789 driver.
Signed-off-by: Yilin Sun <imi415@imi.moe>
This commit is contained in:
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17F01E106F9F5E0A
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@ -5,8 +5,10 @@ project(epd-spi)
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set(EPD_SOURCES
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"src/epd_common.c"
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"src/driver/oled_ssd1327.c"
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"src/driver/lcd_st7789.c"
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"src/panel/epd_wfh0420cz35.c"
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"src/panel/epd_gdew042t2.c"
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"src/panel/lcd_hp32030d.c"
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"src/panel/lcd_jlx256128g_920.c"
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"src/panel/lcd_zjy350c4001.c"
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"src/panel/lcd_zjy096s0800.c"
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@ -0,0 +1,49 @@
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#ifndef LCD_ST7789_H
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#define LCD_ST7789_H
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#include "epd-spi/epd_common.h"
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typedef enum {
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LCD_ST7789_DIR_0 = 0x08U,
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LCD_ST7789_DIR_90 = 0x68U,
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LCD_ST7789_DIR_180 = 0xC8U,
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LCD_ST7789_DIR_270 = 0xA8U,
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} lcd_st7789_direction_t;
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typedef enum {
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LCD_ST7789_RGB444 = 3,
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LCD_ST7789_RGB565 = 5,
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LCD_ST7789_RGB666 = 6,
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LCD_ST7789_RGB888 = 7,
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} lcd_st7789_pixel_format_t;
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typedef struct {
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uint8_t *init_struct;
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uint32_t init_struct_length;
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uint16_t ram_offset_x;
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uint16_t ram_offset_y;
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uint16_t size_x;
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uint16_t size_y;
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bool inversion;
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bool bgr_filter;
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} st7789_panel_config_t;
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typedef struct {
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void *user_data;
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epd_cb_t cb;
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const st7789_panel_config_t *panel_config;
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lcd_st7789_direction_t direction;
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lcd_st7789_pixel_format_t pixel_format;
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} lcd_st7789_t;
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epd_ret_t lcd_st7789_init(lcd_st7789_t *lcd, const st7789_panel_config_t *config);
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epd_ret_t lcd_st7789_load(lcd_st7789_t *lcd, epd_coord_t *coord, const uint8_t *data);
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epd_ret_t lcd_st7789_set_pixel_format(lcd_st7789_t *lcd, lcd_st7789_pixel_format_t format);
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epd_ret_t lcd_st7789_set_direction(lcd_st7789_t *lcd, lcd_st7789_direction_t direction);
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epd_ret_t lcd_st7789_set_inversion(lcd_st7789_t *lcd, bool invert);
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#endif // LCD_ST7789_H
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@ -1,6 +1,7 @@
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#ifndef EPD_COMMON_H
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#define EPD_COMMON_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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@ -9,7 +10,7 @@ typedef enum { EPD_OK = 0, EPD_FAIL } epd_ret_t;
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typedef struct {
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epd_ret_t (*write_command_cb)(void *handle, uint8_t *command, uint32_t len);
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epd_ret_t (*write_data_cb)(void *handle, uint8_t *data, uint32_t len);
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epd_ret_t (*write_data_cb)(void *handle, const uint8_t *data, uint32_t len);
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epd_ret_t (*reset_cb)(void *handle);
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epd_ret_t (*poll_busy_cb)(void *handle);
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epd_ret_t (*delay_cb)(void *handle, uint32_t msec);
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//
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// Created by imi415 on 23/10/21.
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//
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#ifndef LCD_HP32030D_H
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#define LCD_HP32030D_H
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#include "epd-spi/driver/lcd_st7789.h"
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extern const st7789_panel_config_t lcd_hp32030d_panel_config;
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#endif // LCD_HP32030D_H
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@ -0,0 +1,189 @@
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#include "driver/lcd_st7789.h"
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#include "epd_private.h"
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#define ST7789_CMD_SWRESET (0x01U)
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#define ST7789_CMD_SLPIN (0x10U)
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#define ST7789_CMD_SLPOUT (0x11U)
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#define ST7789_CMD_INVOFF (0x20U)
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#define ST7789_CMD_INVON (0x21U)
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#define ST7789_CMD_CASET (0x2AU)
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#define ST7789_CMD_RASET (0x2BU)
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#define ST7789_CMD_RAMWR (0x2CU)
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#define ST7789_CMD_MADCTL (0x36U)
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#define ST7789_CMD_COLMOD (0x3AU)
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static epd_ret_t lcd_st7789_reset(lcd_st7789_t *lcd);
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static epd_ret_t lcd_st7789_sleep(lcd_st7789_t *lcd, bool sleep_mode);
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static epd_ret_t lcd_st7789_panel_config(lcd_st7789_t *lcd, const st7789_panel_config_t *config);
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static epd_ret_t lcd_st7789_set_window(lcd_st7789_t *lcd, epd_coord_t *coord);
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epd_ret_t lcd_st7789_init(lcd_st7789_t *lcd, const st7789_panel_config_t *config) {
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EPD_ERROR_CHECK(lcd_st7789_reset(lcd));
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EPD_ERROR_CHECK(lcd->cb.delay_cb(lcd->user_data, 5));
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EPD_ERROR_CHECK(lcd_st7789_sleep(lcd, false));
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EPD_ERROR_CHECK(lcd->cb.delay_cb(lcd->user_data, 100));
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EPD_ERROR_CHECK(lcd_st7789_panel_config(lcd, config));
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EPD_ERROR_CHECK(lcd_st7789_set_pixel_format(lcd, LCD_ST7789_RGB565));
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EPD_ERROR_CHECK(lcd_st7789_set_direction(lcd, LCD_ST7789_DIR_0));
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EPD_ERROR_CHECK(lcd_st7789_set_inversion(lcd, false));
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return EPD_OK;
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}
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epd_ret_t lcd_st7789_load(lcd_st7789_t *lcd, epd_coord_t *coord, const uint8_t *data) {
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uint32_t pixel_count = (coord->y_end - coord->y_start + 1) * (coord->x_end - coord->x_start + 1);
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uint32_t data_len = 0;
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switch (lcd->pixel_format) {
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case LCD_ST7789_RGB444:
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data_len = pixel_count * 3 / 2;
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break;
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case LCD_ST7789_RGB565:
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data_len = pixel_count * 2;
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break;
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case LCD_ST7789_RGB666:
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case LCD_ST7789_RGB888:
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data_len = pixel_count * 3;
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break;
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default:
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data_len = pixel_count;
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break;
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}
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// Set cursor
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EPD_ERROR_CHECK(lcd_st7789_set_window(lcd, coord));
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uint8_t command = ST7789_CMD_RAMWR; // Memory Write
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EPD_ERROR_CHECK(lcd->cb.write_command_cb(lcd->user_data, &command, 0x01));
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// Write pixel data
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EPD_ERROR_CHECK(lcd->cb.write_data_cb(lcd->user_data, data, data_len));
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return EPD_OK;
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}
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epd_ret_t lcd_st7789_set_pixel_format(lcd_st7789_t *lcd, lcd_st7789_pixel_format_t format) {
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lcd->pixel_format = format;
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uint8_t command[2] = {ST7789_CMD_COLMOD, format};
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EPD_ERROR_CHECK(lcd->cb.write_command_cb(lcd->user_data, command, 0x02));
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return EPD_OK;
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}
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epd_ret_t lcd_st7789_set_direction(lcd_st7789_t *lcd, lcd_st7789_direction_t direction) {
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lcd->direction = direction;
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uint8_t command[2] = {ST7789_CMD_MADCTL, direction};
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if (!lcd->panel_config->bgr_filter) {
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command[1] &= ~0x08U;
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}
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EPD_ERROR_CHECK(lcd->cb.write_command_cb(lcd->user_data, command, 0x02));
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return EPD_OK;
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}
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epd_ret_t lcd_st7789_set_inversion(lcd_st7789_t *lcd, bool invert) {
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uint8_t command[1];
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if (lcd->panel_config->inversion) {
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command[0] = invert ? ST7789_CMD_INVOFF : ST7789_CMD_INVON;
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} else {
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command[0] = invert ? ST7789_CMD_INVON : ST7789_CMD_INVOFF;
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}
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EPD_ERROR_CHECK(lcd->cb.write_command_cb(lcd->user_data, command, 0x01));
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return EPD_OK;
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}
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static epd_ret_t lcd_st7789_reset(lcd_st7789_t *lcd) {
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uint8_t cmd_buf[1] = {ST7789_CMD_SWRESET};
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/* If hardware reset is implemented... */
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if (lcd->cb.reset_cb) {
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return lcd->cb.reset_cb(lcd->user_data);
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} else {
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return lcd->cb.write_command_cb(lcd->user_data, cmd_buf, 1U);
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}
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}
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static epd_ret_t lcd_st7789_sleep(lcd_st7789_t *lcd, bool sleep_mode) {
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uint8_t cmd_buf[1] = {ST7789_CMD_SLPOUT};
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if (sleep_mode) {
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cmd_buf[0] = ST7789_CMD_SLPIN;
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}
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return lcd->cb.write_command_cb(lcd->user_data, cmd_buf, 1U);
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}
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static epd_ret_t lcd_st7789_panel_config(lcd_st7789_t *lcd, const st7789_panel_config_t *config) {
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uint32_t idx = 0U;
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while (idx < config->init_struct_length) {
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uint8_t *cmd_ptr = &config->init_struct[idx + 1];
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uint8_t cmd_len = config->init_struct[idx] + 1;
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EPD_ERROR_CHECK(lcd->cb.write_command_cb(lcd->user_data, cmd_ptr, cmd_len));
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idx += config->init_struct[idx] + 2;
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}
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lcd->panel_config = config;
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return EPD_OK;
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}
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static epd_ret_t lcd_st7789_set_window(lcd_st7789_t *lcd, epd_coord_t *coord) {
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uint16_t real_x_start, real_x_end, real_y_start, real_y_end;
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uint16_t x_offset, y_offset;
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switch (lcd->direction) {
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case LCD_ST7789_DIR_0:
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x_offset = lcd->panel_config->ram_offset_x;
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y_offset = lcd->panel_config->ram_offset_y;
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break;
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case LCD_ST7789_DIR_90:
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x_offset = lcd->panel_config->ram_offset_y;
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y_offset = lcd->panel_config->ram_offset_x;
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break;
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case LCD_ST7789_DIR_180:
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x_offset = 240 - (lcd->panel_config->ram_offset_x + lcd->panel_config->size_x);
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y_offset = 320 - (lcd->panel_config->ram_offset_y + lcd->panel_config->size_y);
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break;
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case LCD_ST7789_DIR_270:
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x_offset = 320 - (lcd->panel_config->ram_offset_y + lcd->panel_config->size_y);
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y_offset = 240 - (lcd->panel_config->ram_offset_x + lcd->panel_config->size_x);
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break;
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default:
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x_offset = 0;
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y_offset = 0;
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}
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real_x_start = coord->x_start + x_offset;
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real_x_end = coord->x_end + x_offset;
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real_y_start = coord->y_start + y_offset;
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real_y_end = coord->y_end + y_offset;
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uint8_t tx_buf[5] = {
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ST7789_CMD_CASET, ((uint8_t)(real_x_start >> 0x08U) & 0xFFU),
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(real_x_start & 0xFFU), ((uint8_t)(real_x_end >> 0x08U) & 0xFFU),
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(real_x_end & 0xFFU),
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};
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EPD_ERROR_CHECK(lcd->cb.write_command_cb(lcd->user_data, tx_buf, 0x05));
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tx_buf[0] = ST7789_CMD_RASET;
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tx_buf[1] = ((uint8_t)(real_y_start >> 0x08U) & 0xFFU);
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tx_buf[2] = (real_y_start & 0xFFU);
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tx_buf[3] = ((uint8_t)(real_y_end >> 0x08U) & 0xFFU);
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tx_buf[4] = (real_y_end & 0xFFU);
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EPD_ERROR_CHECK(lcd->cb.write_command_cb(lcd->user_data, tx_buf, 0x05));
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return EPD_OK;
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}
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#include "panel/lcd_hp32030d.h"
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static uint8_t panel_init_struct[] = {
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0x05, 0xB2, 0x0C, 0x0C, 0x00, 0x33, 0x33, // PORCTRL(B2H)
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0x02, 0xB0, 0x00, 0xE0, // RAMCTRL (B0H)
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0x01, 0x36, 0x00, // MADCTL (36H)
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0x01, 0x3A, 0x05, // COLMOD (3AH)
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0x01, 0xB7, 0x56, // GCTRL (B7H)
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0x01, 0xBB, 0x14, // VCOMS (BBH)
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0x01, 0xC0, 0x2C, // LCMCTRL (C0H)
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0x01, 0xC2, 0x01, // VDVVRHEN (C2H)
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0x01, 0xC3, 0x0B, // VRHS (C3H)
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0x01, 0xC4, 0x10, // VDVS (C4H)
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0x01, 0xC6, 0x0F, // FRCTRL2 (C6H)
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0x02, 0xD0, 0xA4, 0xA1, // PWCTRL1 (D0H)
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0x01, 0xD5, 0xA1, // ??
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0x0E, 0xE0, 0xD0, 0x08, 0x0A, 0x0D, 0x0B, 0x07, 0x21, 0x33, 0x39, 0x39, 0x16, 0x16, 0x1F, 0x3C, // PGC (E0H)
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0x0E, 0xE1, 0xD0, 0x00, 0x03, 0x01, 0x00, 0x10, 0x21, 0x32, 0x38, 0x16, 0x14, 0x14, 0x20, 0x3D, // NGC (E1H)
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0x00, 0x21, 0x00, 0x29, 0x00, 0x2C,
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};
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const st7789_panel_config_t lcd_hp32030d_panel_config = {
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.init_struct = panel_init_struct,
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.init_struct_length = sizeof(panel_init_struct),
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.ram_offset_x = 0U,
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.ram_offset_y = 0U,
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.size_x = 240,
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.size_y = 320,
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.inversion = true,
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.bgr_filter = false,
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};
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