mirror of
https://github.com/pengwon/epd42.git
synced 2026-04-04 12:25:07 +08:00
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
|
|
*
|
|
* The information contained herein is property of Nordic Semiconductor ASA.
|
|
* Terms and conditions of usage are described in detail in NORDIC
|
|
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
|
|
*
|
|
* Licensees are granted free, non-transferable use of the information. NO
|
|
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
|
|
* the file.
|
|
*
|
|
*/
|
|
|
|
#ifndef SDIO_H
|
|
#define SDIO_H
|
|
|
|
/*lint ++flb "Enter library region" */
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
/** @file
|
|
* @brief 2-wire serial interface driver (compatible with ADNS2080 mouse sensor driver)
|
|
*
|
|
*
|
|
* @defgroup nrf_drivers_sdio SDIO driver
|
|
* @{
|
|
* @ingroup nrf_drivers
|
|
* @brief 2-wire serial interface driver.
|
|
*/
|
|
|
|
/**
|
|
* @brief Function for initializing 2-wire serial interface and trying to handle stuck slaves.
|
|
*
|
|
*/
|
|
void sdio_init(void);
|
|
|
|
/**
|
|
* @brief Function for reading a byte over 2-wire serial interface.
|
|
*
|
|
* Developer needs to implement this function in a way that suits the hardware.
|
|
* @param address Register address to read from
|
|
* @return Byte read
|
|
*/
|
|
uint8_t sdio_read_byte(uint8_t address);
|
|
|
|
/**
|
|
* @brief Function for reading several bytes over 2-wire serial interface using burst mode.
|
|
*
|
|
* Developer needs to implement this function in a way that suits the hardware.
|
|
* @param target_buffer Buffer location to store read bytes to
|
|
* @param target_buffer_size Bytes allocated for target_buffer
|
|
*/
|
|
void sdio_read_burst(uint8_t *target_buffer, uint8_t target_buffer_size);
|
|
|
|
/**
|
|
* @brief Function for writing a byte over 2-wire serial interface.
|
|
*
|
|
* Developer needs to implement this function in a way that suits the hardware.
|
|
* @param address Register address to write to
|
|
* @param data_byte Data byte to write
|
|
*/
|
|
void sdio_write_byte(uint8_t address, uint8_t data_byte);
|
|
|
|
/**
|
|
*@}
|
|
**/
|
|
|
|
/*lint --flb "Leave library region" */
|
|
#endif
|