song zhao / smartball_project_test_board

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Dependencies:   BLE_API nRF51822

Fork of BLE_NODE_TEST by Yihui Xiong

mbed-src/hal/i2c_api.h@11:22480ac31879, 2014-11-27 (annotated)

Committer:
yihui
Date:
Thu Nov 27 09:30:36 2014 +0000
Revision:
11:22480ac31879
Parent:
9:05f0b5a3a70a 
change to new revision hardware

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 9:05f0b5a3a70a 1 /* mbed Microcontroller Library
yihui 9:05f0b5a3a70a 2 * Copyright (c) 2006-2013 ARM Limited
yihui 9:05f0b5a3a70a 3 *
yihui 9:05f0b5a3a70a 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 9:05f0b5a3a70a 5 * you may not use this file except in compliance with the License.
yihui 9:05f0b5a3a70a 6 * You may obtain a copy of the License at
yihui 9:05f0b5a3a70a 7 *
yihui 9:05f0b5a3a70a 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 9:05f0b5a3a70a 9 *
yihui 9:05f0b5a3a70a 10 * Unless required by applicable law or agreed to in writing, software
yihui 9:05f0b5a3a70a 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 9:05f0b5a3a70a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 9:05f0b5a3a70a 13 * See the License for the specific language governing permissions and
yihui 9:05f0b5a3a70a 14 * limitations under the License.
yihui 9:05f0b5a3a70a 15 */
yihui 9:05f0b5a3a70a 16 #ifndef MBED_I2C_API_H
yihui 9:05f0b5a3a70a 17 #define MBED_I2C_API_H
yihui 9:05f0b5a3a70a 18
yihui 9:05f0b5a3a70a 19 #include "device.h"
yihui 9:05f0b5a3a70a 20
yihui 9:05f0b5a3a70a 21 #if DEVICE_I2C
yihui 9:05f0b5a3a70a 22
yihui 9:05f0b5a3a70a 23 #ifdef __cplusplus
yihui 9:05f0b5a3a70a 24 extern "C" {
yihui 9:05f0b5a3a70a 25 #endif
yihui 9:05f0b5a3a70a 26
yihui 9:05f0b5a3a70a 27 typedef struct i2c_s i2c_t;
yihui 9:05f0b5a3a70a 28
yihui 9:05f0b5a3a70a 29 enum {
yihui 9:05f0b5a3a70a 30 I2C_ERROR_NO_SLAVE = -1,
yihui 9:05f0b5a3a70a 31 I2C_ERROR_BUS_BUSY = -2
yihui 9:05f0b5a3a70a 32 };
yihui 9:05f0b5a3a70a 33
yihui 9:05f0b5a3a70a 34 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
yihui 9:05f0b5a3a70a 35 void i2c_free (i2c_t *obj);
yihui 9:05f0b5a3a70a 36
yihui 9:05f0b5a3a70a 37 void i2c_frequency (i2c_t *obj, int hz);
yihui 9:05f0b5a3a70a 38 int i2c_start (i2c_t *obj);
yihui 9:05f0b5a3a70a 39 int i2c_stop (i2c_t *obj);
yihui 9:05f0b5a3a70a 40 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
yihui 9:05f0b5a3a70a 41 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
yihui 9:05f0b5a3a70a 42 void i2c_reset (i2c_t *obj);
yihui 9:05f0b5a3a70a 43 int i2c_byte_read (i2c_t *obj, int last);
yihui 9:05f0b5a3a70a 44 int i2c_byte_write (i2c_t *obj, int data);
yihui 9:05f0b5a3a70a 45
yihui 9:05f0b5a3a70a 46 #if DEVICE_I2CSLAVE
yihui 9:05f0b5a3a70a 47 void i2c_slave_mode (i2c_t *obj, int enable_slave);
yihui 9:05f0b5a3a70a 48 int i2c_slave_receive(i2c_t *obj);
yihui 9:05f0b5a3a70a 49 int i2c_slave_read (i2c_t *obj, char *data, int length);
yihui 9:05f0b5a3a70a 50 int i2c_slave_write (i2c_t *obj, const char *data, int length);
yihui 9:05f0b5a3a70a 51 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
yihui 9:05f0b5a3a70a 52 #endif
yihui 9:05f0b5a3a70a 53
yihui 9:05f0b5a3a70a 54 #ifdef __cplusplus
yihui 9:05f0b5a3a70a 55 }
yihui 9:05f0b5a3a70a 56 #endif
yihui 9:05f0b5a3a70a 57
yihui 9:05f0b5a3a70a 58 #endif
yihui 9:05f0b5a3a70a 59
yihui 9:05f0b5a3a70a 60 #endif