Embedded_Drivers
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st7789_lcd
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Added configuration function.

This commit is contained in:
imi415 2021-03-18 23:50:00 +08:00
parent 2d90485d67
commit b4261874cf
Signed by: imi415
GPG Key ID: 17F01E106F9F5E0A
2 changed files with 44 additions and 11 deletions
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41
st7789_lcd.c
View File

@ -112,6 +112,7 @@ st7789_ret_t _st7789_reset(st7789_lcd_t *lcd) {
st7789_ret_t st7789_lcd_init(st7789_lcd_t *lcd) {
if(_st7789_init_seq(lcd) != ST7789_OK) return ST7789_ERROR;
if(st7789_lcd_config(lcd, &lcd->config) != ST7789_OK) return ST7789_ERROR;
if(st7789_lcd_sleep(lcd, 0) != ST7789_OK) return ST7789_ERROR;
if(st7789_lcd_display(lcd, 1) != ST7789_OK) return ST7789_ERROR;
}
@ -139,10 +140,12 @@ st7789_ret_t st7789_lcd_load(st7789_lcd_t *lcd, uint8_t *data, uint16_t x_start,
break;
}
// Set cursor
if(_st7789_window(lcd, x_start, x_end, y_start, y_end) != ST7789_OK) {
return ST7789_ERROR;
}
// Write pixel data
if(lcd->cb.write_data_cb(lcd->user_data, data, data_len) != ST7789_OK) {
return ST7789_ERROR;
}
@ -151,15 +154,43 @@ st7789_ret_t st7789_lcd_load(st7789_lcd_t *lcd, uint8_t *data, uint16_t x_start,
}
st7789_ret_t st7789_lcd_sleep(st7789_lcd_t *lcd, uint8_t sleep_mode) {
uint8_t command = 0x11;
if(sleep_mode) command = 0x10;
// Write SLPIN or SLPOUT command.
uint8_t command = sleep_mode ? 0x10 : 0x11;
return lcd->cb.write_cmd_cb(lcd->user_data, &command, 0x01);
}
st7789_ret_t st7789_lcd_display(st7789_lcd_t *lcd, uint8_t display_on) {
uint8_t command = 0x28;
if(display_on) command = 0x29;
return lcd->cb.write_cmd_cb(lcd->user_data, &command, 0x01);
// write display_on command;
uint8_t command = display_on ? 0x29 : 0x28;
if(lcd->cb.write_cmd_cb(lcd->user_data, &command, 0x01) != ST7789_OK) {
return ST7789_ERROR;
}
}
st7789_ret_t st7789_lcd_config(st7789_lcd_t *lcd, st7789_config_t *config) {
lcd->config.direction = config->direction;
// Write inversion command.
uint8_t command[2] = { config->inversion ? 0x20 : 0x21, 0x00 };
if(lcd->cb.write_cmd_cb(lcd->user_data, command, 0x01) != ST7789_OK) {
return ST7789_ERROR;
}
lcd->config.inversion = config->inversion;
command[0] = 0x3A;
command[1] = config->pix_fmt;
if(lcd->cb.write_cmd_cb(lcd->user_data, command, 0x02) != ST7789_OK) {
return ST7789_ERROR;
}
lcd->config.pix_fmt = config->pix_fmt;
command[0] = 0x36;
command[1] = config->direction;
if(!config->bgr_mode) {
command[1] &= ~0x08U;
}
return lcd->cb.write_cmd_cb(lcd->user_data, command, 0x02);
}

14
st7789_lcd.h
View File

@ -9,10 +9,10 @@ typedef enum {
} st7789_ret_t;
typedef enum {
ST7789_DIR_0,
ST7789_DIR_90,
ST7789_DIR_180,
ST7789_DIR_270,
ST7789_DIR_0 = 0x08U,
ST7789_DIR_90 = 0x68U,
ST7789_DIR_180 = 0xC8U,
ST7789_DIR_270 = 0xA8U,
} st7789_direction_t;
typedef enum {
@ -25,12 +25,14 @@ typedef enum {
typedef struct {
st7789_ret_t (*reset_cb)(void *handle);
st7789_ret_t (*write_cmd_cb)(void *handle, uint8_t *cmd, uint8_t len);
st7789_ret_t (*write_data_cb)(void *handle, uint8_t *data, uint8_t len);
st7789_ret_t (*write_data_cb)(void *handle, uint8_t *data, uint32_t len);
} st7789_cb_t;
typedef struct {
st7789_direction_t direction;
st7789_pixfmt_t pix_fmt;
uint8_t inversion;
uint8_t bgr_mode;
} st7789_config_t;
typedef struct {
@ -65,5 +67,5 @@ st7789_ret_t st7789_lcd_load(st7789_lcd_t *lcd, uint8_t *data, uint16_t x_start,
uint16_t x_end, uint16_t y_start, uint16_t y_end);
st7789_ret_t st7789_lcd_sleep(st7789_lcd_t *lcd, uint8_t sleep_mode);
st7789_ret_t st7789_lcd_display(st7789_lcd_t *lcd, uint8_t display_on);
st7789_ret_t st7789_lcd_config(st7789_lcd_t *lcd, st7789_config_t *config);
#endif