mbed library sources. Supersedes mbed-src.
Dependents: Hobbyking_Cheetah_Compact Hobbyking_Cheetah_Compact_DRV8323_14bit Hobbyking_Cheetah_Compact_DRV8323_V51_201907 HKC_MiniCheetah ... more
Fork of mbed-dev by
drivers/I2CSlave.cpp@181:36facd806e4a, 2018-07-30 (annotated)
- Committer:
- benkatz
- Date:
- Mon Jul 30 20:31:44 2018 +0000
- Revision:
- 181:36facd806e4a
- Parent:
- 149:156823d33999
going on the robot. fixed a dumb bug in float_to_uint
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 149:156823d33999 | 1 | /* mbed Microcontroller Library |
<> | 149:156823d33999 | 2 | * Copyright (c) 2006-2013 ARM Limited |
<> | 149:156823d33999 | 3 | * |
<> | 149:156823d33999 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 149:156823d33999 | 5 | * you may not use this file except in compliance with the License. |
<> | 149:156823d33999 | 6 | * You may obtain a copy of the License at |
<> | 149:156823d33999 | 7 | * |
<> | 149:156823d33999 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 149:156823d33999 | 9 | * |
<> | 149:156823d33999 | 10 | * Unless required by applicable law or agreed to in writing, software |
<> | 149:156823d33999 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 149:156823d33999 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 149:156823d33999 | 13 | * See the License for the specific language governing permissions and |
<> | 149:156823d33999 | 14 | * limitations under the License. |
<> | 149:156823d33999 | 15 | */ |
<> | 149:156823d33999 | 16 | #include "drivers/I2CSlave.h" |
<> | 149:156823d33999 | 17 | |
<> | 149:156823d33999 | 18 | #if DEVICE_I2CSLAVE |
<> | 149:156823d33999 | 19 | |
<> | 149:156823d33999 | 20 | namespace mbed { |
<> | 149:156823d33999 | 21 | |
<> | 149:156823d33999 | 22 | I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() { |
<> | 149:156823d33999 | 23 | i2c_init(&_i2c, sda, scl); |
<> | 149:156823d33999 | 24 | i2c_frequency(&_i2c, 100000); |
<> | 149:156823d33999 | 25 | i2c_slave_mode(&_i2c, 1); |
<> | 149:156823d33999 | 26 | } |
<> | 149:156823d33999 | 27 | |
<> | 149:156823d33999 | 28 | void I2CSlave::frequency(int hz) { |
<> | 149:156823d33999 | 29 | i2c_frequency(&_i2c, hz); |
<> | 149:156823d33999 | 30 | } |
<> | 149:156823d33999 | 31 | |
<> | 149:156823d33999 | 32 | void I2CSlave::address(int address) { |
<> | 149:156823d33999 | 33 | int addr = (address & 0xFF) | 1; |
<> | 149:156823d33999 | 34 | i2c_slave_address(&_i2c, 0, addr, 0); |
<> | 149:156823d33999 | 35 | } |
<> | 149:156823d33999 | 36 | |
<> | 149:156823d33999 | 37 | int I2CSlave::receive(void) { |
<> | 149:156823d33999 | 38 | return i2c_slave_receive(&_i2c); |
<> | 149:156823d33999 | 39 | } |
<> | 149:156823d33999 | 40 | |
<> | 149:156823d33999 | 41 | int I2CSlave::read(char *data, int length) { |
<> | 149:156823d33999 | 42 | return i2c_slave_read(&_i2c, data, length) != length; |
<> | 149:156823d33999 | 43 | } |
<> | 149:156823d33999 | 44 | |
<> | 149:156823d33999 | 45 | int I2CSlave::read(void) { |
<> | 149:156823d33999 | 46 | return i2c_byte_read(&_i2c, 0); |
<> | 149:156823d33999 | 47 | } |
<> | 149:156823d33999 | 48 | |
<> | 149:156823d33999 | 49 | int I2CSlave::write(const char *data, int length) { |
<> | 149:156823d33999 | 50 | return i2c_slave_write(&_i2c, data, length) != length; |
<> | 149:156823d33999 | 51 | } |
<> | 149:156823d33999 | 52 | |
<> | 149:156823d33999 | 53 | int I2CSlave::write(int data) { |
<> | 149:156823d33999 | 54 | return i2c_byte_write(&_i2c, data); |
<> | 149:156823d33999 | 55 | } |
<> | 149:156823d33999 | 56 | |
<> | 149:156823d33999 | 57 | void I2CSlave::stop(void) { |
<> | 149:156823d33999 | 58 | i2c_stop(&_i2c); |
<> | 149:156823d33999 | 59 | } |
<> | 149:156823d33999 | 60 | |
<> | 149:156823d33999 | 61 | } |
<> | 149:156823d33999 | 62 | |
<> | 149:156823d33999 | 63 | #endif |