grove_lcd.h

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/* grove_lcd.h - Public API for the Grove RGB LCD device */
/*
 * Copyright (c) 2015 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DISPLAY_GROVE_LCD_H_
#define ZEPHYR_INCLUDE_DISPLAY_GROVE_LCD_H_
 
#include <stdint.h>
 
#include <zephyr/device.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
void glcd_print(const struct device *dev, char *data, uint32_t size);
 
 
void glcd_cursor_pos_set(const struct device *dev, uint8_t col, uint8_t row);
 
void glcd_clear(const struct device *dev);
 
/* Defines for the GLCD_CMD_DISPLAY_SWITCH options */
#define GLCD_DS_DISPLAY_ON              (1 << 2)
#define GLCD_DS_DISPLAY_OFF             (0 << 2)
#define GLCD_DS_CURSOR_ON               (1 << 1)
#define GLCD_DS_CURSOR_OFF              (0 << 1)
#define GLCD_DS_BLINK_ON                (1 << 0)
#define GLCD_DS_BLINK_OFF               (0 << 0)
void glcd_display_state_set(const struct device *dev, uint8_t opt);
 
uint8_t glcd_display_state_get(const struct device *dev);
 
/* Defines for the GLCD_CMD_INPUT_SET to change text direction */
#define GLCD_IS_SHIFT_INCREMENT (1 << 1)
#define GLCD_IS_SHIFT_DECREMENT (0 << 1)
#define GLCD_IS_ENTRY_LEFT      (1 << 0)
#define GLCD_IS_ENTRY_RIGHT     (0 << 0)
void glcd_input_state_set(const struct device *dev, uint8_t opt);
 
uint8_t glcd_input_state_get(const struct device *dev);
 
/* Defines for the LCD_FUNCTION_SET */
#define GLCD_FS_8BIT_MODE       (1 << 4)
#define GLCD_FS_ROWS_2          (1 << 3)
#define GLCD_FS_ROWS_1          (0 << 3)
#define GLCD_FS_DOT_SIZE_BIG    (1 << 2)
#define GLCD_FS_DOT_SIZE_LITTLE (0 << 2)
/* Bits 0, 1 are not defined for this register */
 
void glcd_function_set(const struct device *dev, uint8_t opt);
 
uint8_t glcd_function_get(const struct device *dev);
 
 
/* Available color selections */
#define GROVE_RGB_WHITE         0
#define GROVE_RGB_RED           1
#define GROVE_RGB_GREEN         2
#define GROVE_RGB_BLUE          3
void glcd_color_select(const struct device *dev, uint8_t color);
 
 
void glcd_color_set(const struct device *dev, uint8_t r, uint8_t g,
                    uint8_t b);
 
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DISPLAY_GROVE_LCD_H_ */