SPKT
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
SPKT
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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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 |