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mbed_src_STM32F7/common/I2CSlave.cpp@0:f62ffd3644bf, 2018-10-21 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sun Oct 21 11:29:47 2018 +0000
- Revision:
- 0:f62ffd3644bf
1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 0:f62ffd3644bf | 1 | /* mbed Microcontroller Library |
MikamiUitOpen | 0:f62ffd3644bf | 2 | * Copyright (c) 2006-2013 ARM Limited |
MikamiUitOpen | 0:f62ffd3644bf | 3 | * |
MikamiUitOpen | 0:f62ffd3644bf | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
MikamiUitOpen | 0:f62ffd3644bf | 5 | * you may not use this file except in compliance with the License. |
MikamiUitOpen | 0:f62ffd3644bf | 6 | * You may obtain a copy of the License at |
MikamiUitOpen | 0:f62ffd3644bf | 7 | * |
MikamiUitOpen | 0:f62ffd3644bf | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
MikamiUitOpen | 0:f62ffd3644bf | 9 | * |
MikamiUitOpen | 0:f62ffd3644bf | 10 | * Unless required by applicable law or agreed to in writing, software |
MikamiUitOpen | 0:f62ffd3644bf | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
MikamiUitOpen | 0:f62ffd3644bf | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MikamiUitOpen | 0:f62ffd3644bf | 13 | * See the License for the specific language governing permissions and |
MikamiUitOpen | 0:f62ffd3644bf | 14 | * limitations under the License. |
MikamiUitOpen | 0:f62ffd3644bf | 15 | */ |
MikamiUitOpen | 0:f62ffd3644bf | 16 | #include "I2CSlave.h" |
MikamiUitOpen | 0:f62ffd3644bf | 17 | |
MikamiUitOpen | 0:f62ffd3644bf | 18 | #if DEVICE_I2CSLAVE |
MikamiUitOpen | 0:f62ffd3644bf | 19 | |
MikamiUitOpen | 0:f62ffd3644bf | 20 | namespace mbed { |
MikamiUitOpen | 0:f62ffd3644bf | 21 | |
MikamiUitOpen | 0:f62ffd3644bf | 22 | I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() { |
MikamiUitOpen | 0:f62ffd3644bf | 23 | i2c_init(&_i2c, sda, scl); |
MikamiUitOpen | 0:f62ffd3644bf | 24 | i2c_frequency(&_i2c, 100000); |
MikamiUitOpen | 0:f62ffd3644bf | 25 | i2c_slave_mode(&_i2c, 1); |
MikamiUitOpen | 0:f62ffd3644bf | 26 | } |
MikamiUitOpen | 0:f62ffd3644bf | 27 | |
MikamiUitOpen | 0:f62ffd3644bf | 28 | void I2CSlave::frequency(int hz) { |
MikamiUitOpen | 0:f62ffd3644bf | 29 | i2c_frequency(&_i2c, hz); |
MikamiUitOpen | 0:f62ffd3644bf | 30 | } |
MikamiUitOpen | 0:f62ffd3644bf | 31 | |
MikamiUitOpen | 0:f62ffd3644bf | 32 | void I2CSlave::address(int address) { |
MikamiUitOpen | 0:f62ffd3644bf | 33 | int addr = (address & 0xFF) | 1; |
MikamiUitOpen | 0:f62ffd3644bf | 34 | i2c_slave_address(&_i2c, 0, addr, 0); |
MikamiUitOpen | 0:f62ffd3644bf | 35 | } |
MikamiUitOpen | 0:f62ffd3644bf | 36 | |
MikamiUitOpen | 0:f62ffd3644bf | 37 | int I2CSlave::receive(void) { |
MikamiUitOpen | 0:f62ffd3644bf | 38 | return i2c_slave_receive(&_i2c); |
MikamiUitOpen | 0:f62ffd3644bf | 39 | } |
MikamiUitOpen | 0:f62ffd3644bf | 40 | |
MikamiUitOpen | 0:f62ffd3644bf | 41 | int I2CSlave::read(char *data, int length) { |
MikamiUitOpen | 0:f62ffd3644bf | 42 | return i2c_slave_read(&_i2c, data, length) != length; |
MikamiUitOpen | 0:f62ffd3644bf | 43 | } |
MikamiUitOpen | 0:f62ffd3644bf | 44 | |
MikamiUitOpen | 0:f62ffd3644bf | 45 | int I2CSlave::read(void) { |
MikamiUitOpen | 0:f62ffd3644bf | 46 | return i2c_byte_read(&_i2c, 0); |
MikamiUitOpen | 0:f62ffd3644bf | 47 | } |
MikamiUitOpen | 0:f62ffd3644bf | 48 | |
MikamiUitOpen | 0:f62ffd3644bf | 49 | int I2CSlave::write(const char *data, int length) { |
MikamiUitOpen | 0:f62ffd3644bf | 50 | return i2c_slave_write(&_i2c, data, length) != length; |
MikamiUitOpen | 0:f62ffd3644bf | 51 | } |
MikamiUitOpen | 0:f62ffd3644bf | 52 | |
MikamiUitOpen | 0:f62ffd3644bf | 53 | int I2CSlave::write(int data) { |
MikamiUitOpen | 0:f62ffd3644bf | 54 | return i2c_byte_write(&_i2c, data); |
MikamiUitOpen | 0:f62ffd3644bf | 55 | } |
MikamiUitOpen | 0:f62ffd3644bf | 56 | |
MikamiUitOpen | 0:f62ffd3644bf | 57 | void I2CSlave::stop(void) { |
MikamiUitOpen | 0:f62ffd3644bf | 58 | i2c_stop(&_i2c); |
MikamiUitOpen | 0:f62ffd3644bf | 59 | } |
MikamiUitOpen | 0:f62ffd3644bf | 60 | |
MikamiUitOpen | 0:f62ffd3644bf | 61 | } |
MikamiUitOpen | 0:f62ffd3644bf | 62 | |
MikamiUitOpen | 0:f62ffd3644bf | 63 | #endif |