Ricardo Benitez / mbed

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i2c_api.h@64:e3affc9e7238, 2013-08-05 (annotated)

Committer:
bogdanm
Date:
Mon Aug 05 12:28:09 2013 +0300
Revision:
64:e3affc9e7238
Parent:
59:0883845fe643
Child:
66:9c8f0e3462fb
New build system structure, new target (LPC1347), bug fixes (I2C read/write errors, LPC11U24 memory map and others)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 44:24d45a770a51 1 /* mbed Microcontroller Library
emilmont 54:71b101360fb9 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 44:24d45a770a51 3 *
emilmont 59:0883845fe643 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 59:0883845fe643 5 * you may not use this file except in compliance with the License.
emilmont 59:0883845fe643 6 * You may obtain a copy of the License at
emilmont 59:0883845fe643 7 *
emilmont 59:0883845fe643 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 44:24d45a770a51 9 *
emilmont 59:0883845fe643 10 * Unless required by applicable law or agreed to in writing, software
emilmont 59:0883845fe643 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 59:0883845fe643 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 59:0883845fe643 13 * See the License for the specific language governing permissions and
emilmont 59:0883845fe643 14 * limitations under the License.
emilmont 44:24d45a770a51 15 */
emilmont 44:24d45a770a51 16 #ifndef MBED_I2C_API_H
emilmont 44:24d45a770a51 17 #define MBED_I2C_API_H
emilmont 44:24d45a770a51 18
emilmont 44:24d45a770a51 19 #include "device.h"
emilmont 44:24d45a770a51 20
emilmont 44:24d45a770a51 21 #if DEVICE_I2C
emilmont 44:24d45a770a51 22
emilmont 44:24d45a770a51 23 #ifdef __cplusplus
emilmont 44:24d45a770a51 24 extern "C" {
emilmont 44:24d45a770a51 25 #endif
emilmont 44:24d45a770a51 26
emilmont 44:24d45a770a51 27 typedef struct i2c_s i2c_t;
emilmont 44:24d45a770a51 28
bogdanm 64:e3affc9e7238 29 enum {
bogdanm 64:e3affc9e7238 30 I2C_ERROR_NO_SLAVE = -1,
bogdanm 64:e3affc9e7238 31 I2C_ERROR_BUS_BUSY = -2
bogdanm 64:e3affc9e7238 32 };
bogdanm 64:e3affc9e7238 33
emilmont 44:24d45a770a51 34 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
emilmont 44:24d45a770a51 35 void i2c_frequency (i2c_t *obj, int hz);
emilmont 44:24d45a770a51 36 int i2c_start (i2c_t *obj);
bogdanm 64:e3affc9e7238 37 int i2c_stop (i2c_t *obj);
emilmont 55:d722ed6a4237 38 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
emilmont 44:24d45a770a51 39 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
emilmont 44:24d45a770a51 40 void i2c_reset (i2c_t *obj);
emilmont 44:24d45a770a51 41 int i2c_byte_read (i2c_t *obj, int last);
emilmont 44:24d45a770a51 42 int i2c_byte_write (i2c_t *obj, int data);
emilmont 44:24d45a770a51 43
emilmont 44:24d45a770a51 44 #if DEVICE_I2CSLAVE
emilmont 44:24d45a770a51 45 void i2c_slave_mode (i2c_t *obj, int enable_slave);
emilmont 44:24d45a770a51 46 int i2c_slave_receive(i2c_t *obj);
emilmont 44:24d45a770a51 47 int i2c_slave_read (i2c_t *obj, char *data, int length);
emilmont 44:24d45a770a51 48 int i2c_slave_write (i2c_t *obj, const char *data, int length);
emilmont 44:24d45a770a51 49 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
emilmont 44:24d45a770a51 50 #endif
emilmont 44:24d45a770a51 51
emilmont 44:24d45a770a51 52 #ifdef __cplusplus
emilmont 44:24d45a770a51 53 }
emilmont 44:24d45a770a51 54 #endif
emilmont 44:24d45a770a51 55
emilmont 44:24d45a770a51 56 #endif
emilmont 44:24d45a770a51 57
emilmont 44:24d45a770a51 58 #endif