Jasper Lee / mbed_helloworld

change some io settings for TWR-K22F-120M

Dependents:   twr_helloworld

i2c_api.h@0:b16d94660a33, 2014-12-23 (annotated)

Committer:
Jasper_lee
Date:
Tue Dec 23 03:35:08 2014 +0000
Revision:
0:b16d94660a33
change some io setting used in TWR-K22F120M

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jasper_lee 0:b16d94660a33 1 /* mbed Microcontroller Library
Jasper_lee 0:b16d94660a33 2 * Copyright (c) 2006-2013 ARM Limited
Jasper_lee 0:b16d94660a33 3 *
Jasper_lee 0:b16d94660a33 4 * Licensed under the Apache License, Version 2.0 (the "License");
Jasper_lee 0:b16d94660a33 5 * you may not use this file except in compliance with the License.
Jasper_lee 0:b16d94660a33 6 * You may obtain a copy of the License at
Jasper_lee 0:b16d94660a33 7 *
Jasper_lee 0:b16d94660a33 8 * http://www.apache.org/licenses/LICENSE-2.0
Jasper_lee 0:b16d94660a33 9 *
Jasper_lee 0:b16d94660a33 10 * Unless required by applicable law or agreed to in writing, software
Jasper_lee 0:b16d94660a33 11 * distributed under the License is distributed on an "AS IS" BASIS,
Jasper_lee 0:b16d94660a33 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Jasper_lee 0:b16d94660a33 13 * See the License for the specific language governing permissions and
Jasper_lee 0:b16d94660a33 14 * limitations under the License.
Jasper_lee 0:b16d94660a33 15 */
Jasper_lee 0:b16d94660a33 16 #ifndef MBED_I2C_API_H
Jasper_lee 0:b16d94660a33 17 #define MBED_I2C_API_H
Jasper_lee 0:b16d94660a33 18
Jasper_lee 0:b16d94660a33 19 #include "device.h"
Jasper_lee 0:b16d94660a33 20
Jasper_lee 0:b16d94660a33 21 #if DEVICE_I2C
Jasper_lee 0:b16d94660a33 22
Jasper_lee 0:b16d94660a33 23 #ifdef __cplusplus
Jasper_lee 0:b16d94660a33 24 extern "C" {
Jasper_lee 0:b16d94660a33 25 #endif
Jasper_lee 0:b16d94660a33 26
Jasper_lee 0:b16d94660a33 27 typedef struct i2c_s i2c_t;
Jasper_lee 0:b16d94660a33 28
Jasper_lee 0:b16d94660a33 29 enum {
Jasper_lee 0:b16d94660a33 30 I2C_ERROR_NO_SLAVE = -1,
Jasper_lee 0:b16d94660a33 31 I2C_ERROR_BUS_BUSY = -2
Jasper_lee 0:b16d94660a33 32 };
Jasper_lee 0:b16d94660a33 33
Jasper_lee 0:b16d94660a33 34 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
Jasper_lee 0:b16d94660a33 35 void i2c_frequency (i2c_t *obj, int hz);
Jasper_lee 0:b16d94660a33 36 int i2c_start (i2c_t *obj);
Jasper_lee 0:b16d94660a33 37 int i2c_stop (i2c_t *obj);
Jasper_lee 0:b16d94660a33 38 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
Jasper_lee 0:b16d94660a33 39 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
Jasper_lee 0:b16d94660a33 40 void i2c_reset (i2c_t *obj);
Jasper_lee 0:b16d94660a33 41 int i2c_byte_read (i2c_t *obj, int last);
Jasper_lee 0:b16d94660a33 42 int i2c_byte_write (i2c_t *obj, int data);
Jasper_lee 0:b16d94660a33 43
Jasper_lee 0:b16d94660a33 44 #if DEVICE_I2CSLAVE
Jasper_lee 0:b16d94660a33 45 void i2c_slave_mode (i2c_t *obj, int enable_slave);
Jasper_lee 0:b16d94660a33 46 int i2c_slave_receive(i2c_t *obj);
Jasper_lee 0:b16d94660a33 47 int i2c_slave_read (i2c_t *obj, char *data, int length);
Jasper_lee 0:b16d94660a33 48 int i2c_slave_write (i2c_t *obj, const char *data, int length);
Jasper_lee 0:b16d94660a33 49 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
Jasper_lee 0:b16d94660a33 50 #endif
Jasper_lee 0:b16d94660a33 51
Jasper_lee 0:b16d94660a33 52 #ifdef __cplusplus
Jasper_lee 0:b16d94660a33 53 }
Jasper_lee 0:b16d94660a33 54 #endif
Jasper_lee 0:b16d94660a33 55
Jasper_lee 0:b16d94660a33 56 #endif
Jasper_lee 0:b16d94660a33 57
Jasper_lee 0:b16d94660a33 58 #endif