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Diff: i2c_api.h
- Revision:
- 44:24d45a770a51
- Child:
- 54:71b101360fb9
diff -r e2ed12d17f06 -r 24d45a770a51 i2c_api.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/i2c_api.h Wed Nov 21 10:49:56 2012 +0000 @@ -0,0 +1,59 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * 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 MBED_I2C_API_H +#define MBED_I2C_API_H + +#include "device.h" + +#if DEVICE_I2C + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct i2c_s i2c_t; + +void i2c_init (i2c_t *obj, PinName sda, PinName scl); +void i2c_frequency (i2c_t *obj, int hz); +int i2c_start (i2c_t *obj); +void i2c_stop (i2c_t *obj); +int i2c_read (i2c_t *obj, int address, char *data, int length, int stop); +int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop); +void i2c_reset (i2c_t *obj); +int i2c_byte_read (i2c_t *obj, int last); +int i2c_byte_write (i2c_t *obj, int data); + +#if DEVICE_I2CSLAVE +void i2c_slave_mode (i2c_t *obj, int enable_slave); +int i2c_slave_receive(i2c_t *obj); +int i2c_slave_read (i2c_t *obj, char *data, int length); +int i2c_slave_write (i2c_t *obj, const char *data, int length); +void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask); +#endif + +#ifdef __cplusplus +} +#endif + +#endif + +#endif