ON Semiconductor / mbed-os

5.2.1 - Updated I2C files

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

drivers/I2CSlave.cpp@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

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group-onsemi 0:098463de4c5d 1 /* mbed Microcontroller Library
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2006-2013 ARM Limited
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 5 * you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 6 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 7 *
group-onsemi 0:098463de4c5d 8 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 9 *
group-onsemi 0:098463de4c5d 10 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 11 * distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 13 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 14 * limitations under the License.
group-onsemi 0:098463de4c5d 15 */
group-onsemi 0:098463de4c5d 16 #include "drivers/I2CSlave.h"
group-onsemi 0:098463de4c5d 17
group-onsemi 0:098463de4c5d 18 #if DEVICE_I2CSLAVE
group-onsemi 0:098463de4c5d 19
group-onsemi 0:098463de4c5d 20 namespace mbed {
group-onsemi 0:098463de4c5d 21
group-onsemi 0:098463de4c5d 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
group-onsemi 0:098463de4c5d 23 i2c_init(&_i2c, sda, scl);
group-onsemi 0:098463de4c5d 24 i2c_frequency(&_i2c, 100000);
group-onsemi 0:098463de4c5d 25 i2c_slave_mode(&_i2c, 1);
group-onsemi 0:098463de4c5d 26 }
group-onsemi 0:098463de4c5d 27
group-onsemi 0:098463de4c5d 28 void I2CSlave::frequency(int hz) {
group-onsemi 0:098463de4c5d 29 i2c_frequency(&_i2c, hz);
group-onsemi 0:098463de4c5d 30 }
group-onsemi 0:098463de4c5d 31
group-onsemi 0:098463de4c5d 32 void I2CSlave::address(int address) {
group-onsemi 0:098463de4c5d 33 int addr = (address & 0xFF) | 1;
group-onsemi 0:098463de4c5d 34 i2c_slave_address(&_i2c, 0, addr, 0);
group-onsemi 0:098463de4c5d 35 }
group-onsemi 0:098463de4c5d 36
group-onsemi 0:098463de4c5d 37 int I2CSlave::receive(void) {
group-onsemi 0:098463de4c5d 38 return i2c_slave_receive(&_i2c);
group-onsemi 0:098463de4c5d 39 }
group-onsemi 0:098463de4c5d 40
group-onsemi 0:098463de4c5d 41 int I2CSlave::read(char *data, int length) {
group-onsemi 0:098463de4c5d 42 return i2c_slave_read(&_i2c, data, length) != length;
group-onsemi 0:098463de4c5d 43 }
group-onsemi 0:098463de4c5d 44
group-onsemi 0:098463de4c5d 45 int I2CSlave::read(void) {
group-onsemi 0:098463de4c5d 46 return i2c_byte_read(&_i2c, 0);
group-onsemi 0:098463de4c5d 47 }
group-onsemi 0:098463de4c5d 48
group-onsemi 0:098463de4c5d 49 int I2CSlave::write(const char *data, int length) {
group-onsemi 0:098463de4c5d 50 return i2c_slave_write(&_i2c, data, length) != length;
group-onsemi 0:098463de4c5d 51 }
group-onsemi 0:098463de4c5d 52
group-onsemi 0:098463de4c5d 53 int I2CSlave::write(int data) {
group-onsemi 0:098463de4c5d 54 return i2c_byte_write(&_i2c, data);
group-onsemi 0:098463de4c5d 55 }
group-onsemi 0:098463de4c5d 56
group-onsemi 0:098463de4c5d 57 void I2CSlave::stop(void) {
group-onsemi 0:098463de4c5d 58 i2c_stop(&_i2c);
group-onsemi 0:098463de4c5d 59 }
group-onsemi 0:098463de4c5d 60
group-onsemi 0:098463de4c5d 61 }
group-onsemi 0:098463de4c5d 62
group-onsemi 0:098463de4c5d 63 #endif