Thomas Lyp / DevLibMemoryController

Initial commit

Dependencies:   FastPWM

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?

UserRevisionLine numberNew contents of line
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