PHung Tung / DISCO-F746_WAV_PLAYER

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Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

SRC_STM32F7/common/I2CSlave.cpp@0:8ede47d38d10, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:37:21 2019 +0000
Revision:
0:8ede47d38d10
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phungductung 0:8ede47d38d10 1 /* mbed Microcontroller Library
phungductung 0:8ede47d38d10 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:8ede47d38d10 3 *
phungductung 0:8ede47d38d10 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:8ede47d38d10 5 * you may not use this file except in compliance with the License.
phungductung 0:8ede47d38d10 6 * You may obtain a copy of the License at
phungductung 0:8ede47d38d10 7 *
phungductung 0:8ede47d38d10 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:8ede47d38d10 9 *
phungductung 0:8ede47d38d10 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:8ede47d38d10 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:8ede47d38d10 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:8ede47d38d10 13 * See the License for the specific language governing permissions and
phungductung 0:8ede47d38d10 14 * limitations under the License.
phungductung 0:8ede47d38d10 15 */
phungductung 0:8ede47d38d10 16 #include "I2CSlave.h"
phungductung 0:8ede47d38d10 17
phungductung 0:8ede47d38d10 18 #if DEVICE_I2CSLAVE
phungductung 0:8ede47d38d10 19
phungductung 0:8ede47d38d10 20 namespace mbed {
phungductung 0:8ede47d38d10 21
phungductung 0:8ede47d38d10 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
phungductung 0:8ede47d38d10 23 i2c_init(&_i2c, sda, scl);
phungductung 0:8ede47d38d10 24 i2c_frequency(&_i2c, 100000);
phungductung 0:8ede47d38d10 25 i2c_slave_mode(&_i2c, 1);
phungductung 0:8ede47d38d10 26 }
phungductung 0:8ede47d38d10 27
phungductung 0:8ede47d38d10 28 void I2CSlave::frequency(int hz) {
phungductung 0:8ede47d38d10 29 i2c_frequency(&_i2c, hz);
phungductung 0:8ede47d38d10 30 }
phungductung 0:8ede47d38d10 31
phungductung 0:8ede47d38d10 32 void I2CSlave::address(int address) {
phungductung 0:8ede47d38d10 33 int addr = (address & 0xFF) | 1;
phungductung 0:8ede47d38d10 34 i2c_slave_address(&_i2c, 0, addr, 0);
phungductung 0:8ede47d38d10 35 }
phungductung 0:8ede47d38d10 36
phungductung 0:8ede47d38d10 37 int I2CSlave::receive(void) {
phungductung 0:8ede47d38d10 38 return i2c_slave_receive(&_i2c);
phungductung 0:8ede47d38d10 39 }
phungductung 0:8ede47d38d10 40
phungductung 0:8ede47d38d10 41 int I2CSlave::read(char *data, int length) {
phungductung 0:8ede47d38d10 42 return i2c_slave_read(&_i2c, data, length) != length;
phungductung 0:8ede47d38d10 43 }
phungductung 0:8ede47d38d10 44
phungductung 0:8ede47d38d10 45 int I2CSlave::read(void) {
phungductung 0:8ede47d38d10 46 return i2c_byte_read(&_i2c, 0);
phungductung 0:8ede47d38d10 47 }
phungductung 0:8ede47d38d10 48
phungductung 0:8ede47d38d10 49 int I2CSlave::write(const char *data, int length) {
phungductung 0:8ede47d38d10 50 return i2c_slave_write(&_i2c, data, length) != length;
phungductung 0:8ede47d38d10 51 }
phungductung 0:8ede47d38d10 52
phungductung 0:8ede47d38d10 53 int I2CSlave::write(int data) {
phungductung 0:8ede47d38d10 54 return i2c_byte_write(&_i2c, data);
phungductung 0:8ede47d38d10 55 }
phungductung 0:8ede47d38d10 56
phungductung 0:8ede47d38d10 57 void I2CSlave::stop(void) {
phungductung 0:8ede47d38d10 58 i2c_stop(&_i2c);
phungductung 0:8ede47d38d10 59 }
phungductung 0:8ede47d38d10 60
phungductung 0:8ede47d38d10 61 }
phungductung 0:8ede47d38d10 62
phungductung 0:8ede47d38d10 63 #endif