Clawdia
110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
/**
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* ESP-IDF ST7735 Display Driver (basierend auf LilyGO T-Dongle-C5 Demo)
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*
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* GPIO-Pins für T-Dongle-C5:
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* CS = GPIO10, DC = GPIO3, RST = GPIO1
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* BL = GPIO0, MOSI = GPIO2, SCK = GPIO6
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*
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* Display: ST7735S, 80x160, Rotation 3 (invertiert), Offset x=26, y=1
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*/
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#ifndef ST7735_H
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#define ST7735_H
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#include "esp_err.h"
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* GPIO-Konfiguration für T-Dongle-C5 */
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typedef struct {
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int cs_gpio;
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int dc_gpio;
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int rst_gpio;
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int bl_gpio; /* Backlight, aktiv LOW */
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int mosi_gpio;
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int sck_gpio;
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} st7735_gpio_config_t;
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/* Standard GPIO-Konfiguration für T-Dongle-C5 */
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#define ST7735_GPIO_CONFIG_DEFAULT() \
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{ \
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.cs_gpio = 10, \
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.dc_gpio = 3, \
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.rst_gpio = 1, \
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.bl_gpio = 0, \
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.mosi_gpio = 2, \
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.sck_gpio = 6, \
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}
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/* Display Parameter */
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#define ST7735_TFT_WIDTH 80
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#define ST7735_TFT_HEIGHT 160
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#define ST7735_COL_OFFSET 26
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#define ST7735_ROW_OFFSET 1
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/* Farben */
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#define ST7735_BLACK 0x0000
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#define ST7735_WHITE 0xFFFF
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#define ST7735_BLUE 0x001F
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#define ST7735_RED 0xF800
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#define ST7735_GREEN 0x07E0
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/* Rotationswinkel */
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#define ST7735_ROTATION_0 0 /* 0° */
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#define ST7735_ROTATION_90 1 /* 90° */
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#define ST7735_ROTATION_180 2 /* 180° */
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#define ST7735_ROTATION_270 3 /* 270° */
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/**
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* ST7735 Display initialisieren
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*
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* @param gpio_config GPIO-Konfiguration (NULL = Default T-Dongle-C5 Pins)
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* @param rotation Display-Rotation (0, 1, 2, 3)
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* @param handle[out] Panel-Handle für weitere Befehle
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* @return ESP_OK bei Erfolg, Fehlercode sonst
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*/
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esp_err_t st7735_init(const st7735_gpio_config_t *gpio_config,
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uint8_t rotation,
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void **handle);
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/**
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* Display ausschalten
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*/
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esp_err_t st7735_display_off(void *handle);
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/**
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* Display einschalten
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*/
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esp_err_t st7735_display_on(void *handle);
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/**
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* Full-Screen füllen (eine Farbe)
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*/
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esp_err_t st7735_fill_screen(void *handle, uint16_t color);
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/**
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* Pixel zeichnen
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*/
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esp_err_t st7735_draw_pixel(void *handle, int16_t x, int16_t y, uint16_t color);
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/**
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* Rechteck zeichnen (x,y = Start, w/h = Größe, color = Füllfarbe)
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*/
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esp_err_t st7735_draw_rect(void *handle, int16_t x, int16_t y,
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uint16_t w, uint16_t h, uint16_t color);
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/**
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* Linie zeichnen
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*/
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esp_err_t st7735_draw_line(void *handle, int16_t x0, int16_t y0,
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int16_t x1, int16_t y1, uint16_t color);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ST7735_H */
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