pico-tracker/firmware/inc/sercom/i2c.h

50 wiersze
1.7 KiB
C

/*
* A wrapper around the samd20 i2c functions. Single master only
* Copyright (C) 2015 Richard Meadows <richardeoin>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef I2C_H
#define I2C_H
#include "sercom/i2c_master.h"
/**
* I2C Write.
*
* address is the full write address like 0xEE
*/
void i2c_master_write(uint8_t address, uint8_t* data, uint16_t data_length);
/**
* I2C Read.
*
* address is the full write address like 0xEE
*/
void i2c_master_read(uint8_t address, uint8_t* data, uint16_t data_length);
/**
* I2C bus master.
*/
void i2c_init(SercomI2cm*const sercom, uint32_t pad0_pinmux, uint32_t pad1_pinmux);
#endif /* I2C_H */