owner-nrf52sdk/nRF5_SDK_15.2.0/components/drivers_ext/nrf6350/nrf6350.h

/**
 * Copyright (c) 2012 - 2018, Nordic Semiconductor ASA
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
 *    conditions and the following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
 *
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
 *
 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 *
 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
#ifndef NRF6350_H_
#define NRF6350_H_

#include <stdbool.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define LCD_LLEN 16                //!< LCD Line length

#define JS_BUTTON_NONE      0x00   //!< Joystick not touched
#define JS_BUTTON_LEFT      0x01   //!< joystick pulled left
#define JS_BUTTON_PUSH      0x02   //!< joystick pushed
#define JS_BUTTON_DOWN      0x04   //!< joystick pulled down
#define JS_BUTTON_UP        0x08   //!< joystick pulled up
#define JS_BUTTON_RIGHT     0x10   //!< joystick pulled right
#define LCD_UPPER_LINE      0x00   //!< LCD upper line
#define LCD_LOWER_LINE      0x40   //!< LCD lower line
#define LCD_CONTRAST_LOW    0x00   //!< LCD Low contrast
#define LCD_CONTRAST_MEDIUM 0x02   //!< LCD Medium contrast
#define LCD_CONTRAST_HIGH   0x08   //!< LCD High contrast


/**
 * @brief Function for initializing the LCD display prior to writing.
 * @return
 * @retval true Operation succeeded
 * @retval false Operation failed
 */
bool nrf6350_lcd_init(void);

/**
 * @brief Function for writing a text string on the LCD-display.
 *
 * @param p_text A pointer to the text string to be written
 * @param size Size of the text string to be written
 * @param line The line the text should be written to
 * @param pos The start position of the text on the line
 * @return
 * @retval true Write succeeded
 * @retval false Write failed
 */
bool nrf6350_lcd_write_string(const char *p_text, uint8_t size, uint8_t line, uint8_t pos);

/**
 * @brief Function for clearing the contents of the LCD-display.
 *
 * @return
 * @retval true Operation succeeded
 * @retval false Operation failed
 */
bool nrf6350_lcd_clear(void);

/**
 * @brief Function for adjusting the contrast of the LCD-display, select between
 * LCD_CONTRAST_LOW, LCD_CONTRAST_MEDIUM and LCD_CONTRAST_HIGH.
 *
 * @param contrast The desired contrast of the lcd display
 * @return
 * @retval true Operation succeeded
 * @retval false Operation failed
 */
bool nrf6350_lcd_set_contrast(uint8_t contrast);

/**
 * @brief Function for turning ON the LCD-display.
 *
 * @return
 * @retval true Operation succeeded
 * @retval false Operation failed
 */
bool nrf6350_lcd_on(void);

/**
 * @brief Function for turning OFF the LCD-display.
 *
 * @return
 * @retval true Operation succeeded
 * @retval false Operation failed
 */
bool nrf6350_lcd_off(void);

/**
 * @brief Function for getting the position of the joystick.
 *
 * @param val pointer to a 2 byte array where the X,Y position is stored
 * @return
 * @retval true Operation succeeded
 * @retval false Operation failed
 */
bool nrf6350_js_get_value(int8_t *val);

/**
 * @brief Function for getting the status of the joystick.
 *
 * @param js_state pointer to a uint8_t that receives the status of the joystick
 * @return
 * @retval true Operation succeeded
 * @retval false Operation failed
 */
bool nrf6350_js_get_status(uint8_t *js_state);

/** @brief  Function for transferring data over TWI bus. Used the first time you want to communicate nRF6350 to bypass a fail.
 */
bool nrf6350_lcd_wake_up(void);


#ifdef __cplusplus
}
#endif

#endif  // NRF6350_H_
/** @} */