Initial commit
mbed-dev-master/drivers/I2CSlave.cpp@0:bb348c97df44, 2020-09-16 (annotated)
- Committer:
- lypinator
- Date:
- Wed Sep 16 01:11:49 2020 +0000
- Revision:
- 0:bb348c97df44
Added PWM
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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lypinator | 0:bb348c97df44 | 1 | /* mbed Microcontroller Library |
lypinator | 0:bb348c97df44 | 2 | * Copyright (c) 2006-2013 ARM Limited |
lypinator | 0:bb348c97df44 | 3 | * |
lypinator | 0:bb348c97df44 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
lypinator | 0:bb348c97df44 | 5 | * you may not use this file except in compliance with the License. |
lypinator | 0:bb348c97df44 | 6 | * You may obtain a copy of the License at |
lypinator | 0:bb348c97df44 | 7 | * |
lypinator | 0:bb348c97df44 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
lypinator | 0:bb348c97df44 | 9 | * |
lypinator | 0:bb348c97df44 | 10 | * Unless required by applicable law or agreed to in writing, software |
lypinator | 0:bb348c97df44 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
lypinator | 0:bb348c97df44 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
lypinator | 0:bb348c97df44 | 13 | * See the License for the specific language governing permissions and |
lypinator | 0:bb348c97df44 | 14 | * limitations under the License. |
lypinator | 0:bb348c97df44 | 15 | */ |
lypinator | 0:bb348c97df44 | 16 | #include "drivers/I2CSlave.h" |
lypinator | 0:bb348c97df44 | 17 | |
lypinator | 0:bb348c97df44 | 18 | #if DEVICE_I2CSLAVE |
lypinator | 0:bb348c97df44 | 19 | |
lypinator | 0:bb348c97df44 | 20 | namespace mbed { |
lypinator | 0:bb348c97df44 | 21 | |
lypinator | 0:bb348c97df44 | 22 | I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() |
lypinator | 0:bb348c97df44 | 23 | { |
lypinator | 0:bb348c97df44 | 24 | i2c_init(&_i2c, sda, scl); |
lypinator | 0:bb348c97df44 | 25 | i2c_frequency(&_i2c, 100000); |
lypinator | 0:bb348c97df44 | 26 | i2c_slave_mode(&_i2c, 1); |
lypinator | 0:bb348c97df44 | 27 | } |
lypinator | 0:bb348c97df44 | 28 | |
lypinator | 0:bb348c97df44 | 29 | void I2CSlave::frequency(int hz) |
lypinator | 0:bb348c97df44 | 30 | { |
lypinator | 0:bb348c97df44 | 31 | i2c_frequency(&_i2c, hz); |
lypinator | 0:bb348c97df44 | 32 | } |
lypinator | 0:bb348c97df44 | 33 | |
lypinator | 0:bb348c97df44 | 34 | void I2CSlave::address(int address) |
lypinator | 0:bb348c97df44 | 35 | { |
lypinator | 0:bb348c97df44 | 36 | int addr = (address & 0xFF) | 1; |
lypinator | 0:bb348c97df44 | 37 | i2c_slave_address(&_i2c, 0, addr, 0); |
lypinator | 0:bb348c97df44 | 38 | } |
lypinator | 0:bb348c97df44 | 39 | |
lypinator | 0:bb348c97df44 | 40 | int I2CSlave::receive(void) |
lypinator | 0:bb348c97df44 | 41 | { |
lypinator | 0:bb348c97df44 | 42 | return i2c_slave_receive(&_i2c); |
lypinator | 0:bb348c97df44 | 43 | } |
lypinator | 0:bb348c97df44 | 44 | |
lypinator | 0:bb348c97df44 | 45 | int I2CSlave::read(char *data, int length) |
lypinator | 0:bb348c97df44 | 46 | { |
lypinator | 0:bb348c97df44 | 47 | return i2c_slave_read(&_i2c, data, length) != length; |
lypinator | 0:bb348c97df44 | 48 | } |
lypinator | 0:bb348c97df44 | 49 | |
lypinator | 0:bb348c97df44 | 50 | int I2CSlave::read(void) |
lypinator | 0:bb348c97df44 | 51 | { |
lypinator | 0:bb348c97df44 | 52 | return i2c_byte_read(&_i2c, 0); |
lypinator | 0:bb348c97df44 | 53 | } |
lypinator | 0:bb348c97df44 | 54 | |
lypinator | 0:bb348c97df44 | 55 | int I2CSlave::write(const char *data, int length) |
lypinator | 0:bb348c97df44 | 56 | { |
lypinator | 0:bb348c97df44 | 57 | return i2c_slave_write(&_i2c, data, length) != length; |
lypinator | 0:bb348c97df44 | 58 | } |
lypinator | 0:bb348c97df44 | 59 | |
lypinator | 0:bb348c97df44 | 60 | int I2CSlave::write(int data) |
lypinator | 0:bb348c97df44 | 61 | { |
lypinator | 0:bb348c97df44 | 62 | return i2c_byte_write(&_i2c, data); |
lypinator | 0:bb348c97df44 | 63 | } |
lypinator | 0:bb348c97df44 | 64 | |
lypinator | 0:bb348c97df44 | 65 | void I2CSlave::stop(void) |
lypinator | 0:bb348c97df44 | 66 | { |
lypinator | 0:bb348c97df44 | 67 | i2c_stop(&_i2c); |
lypinator | 0:bb348c97df44 | 68 | } |
lypinator | 0:bb348c97df44 | 69 | |
lypinator | 0:bb348c97df44 | 70 | } |
lypinator | 0:bb348c97df44 | 71 | |
lypinator | 0:bb348c97df44 | 72 | #endif |