the do / gr-peach-opencv-project

Opencv 3.1 project on GR-PEACH board

Fork of gr-peach-opencv-project by the do

drivers/I2CSlave.cpp@170:54ff26da7eb6, 2017-07-04 (annotated)

Committer:
thedo
Date:
Tue Jul 04 06:23:13 2017 +0000
Revision:
170:54ff26da7eb6
Parent:
167:1657b442184c 
project opencv 3.1 on GR PEACH board, no use SD card.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thedo 167:1657b442184c 1 /* mbed Microcontroller Library
thedo 167:1657b442184c 2 * Copyright (c) 2006-2013 ARM Limited
thedo 167:1657b442184c 3 *
thedo 167:1657b442184c 4 * Licensed under the Apache License, Version 2.0 (the "License");
thedo 167:1657b442184c 5 * you may not use this file except in compliance with the License.
thedo 167:1657b442184c 6 * You may obtain a copy of the License at
thedo 167:1657b442184c 7 *
thedo 167:1657b442184c 8 * http://www.apache.org/licenses/LICENSE-2.0
thedo 167:1657b442184c 9 *
thedo 167:1657b442184c 10 * Unless required by applicable law or agreed to in writing, software
thedo 167:1657b442184c 11 * distributed under the License is distributed on an "AS IS" BASIS,
thedo 167:1657b442184c 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
thedo 167:1657b442184c 13 * See the License for the specific language governing permissions and
thedo 167:1657b442184c 14 * limitations under the License.
thedo 167:1657b442184c 15 */
thedo 167:1657b442184c 16 #include "drivers/I2CSlave.h"
thedo 167:1657b442184c 17
thedo 167:1657b442184c 18 #if DEVICE_I2CSLAVE
thedo 167:1657b442184c 19
thedo 167:1657b442184c 20 namespace mbed {
thedo 167:1657b442184c 21
thedo 167:1657b442184c 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
thedo 167:1657b442184c 23 i2c_init(&_i2c, sda, scl);
thedo 167:1657b442184c 24 i2c_frequency(&_i2c, 100000);
thedo 167:1657b442184c 25 i2c_slave_mode(&_i2c, 1);
thedo 167:1657b442184c 26 }
thedo 167:1657b442184c 27
thedo 167:1657b442184c 28 void I2CSlave::frequency(int hz) {
thedo 167:1657b442184c 29 i2c_frequency(&_i2c, hz);
thedo 167:1657b442184c 30 }
thedo 167:1657b442184c 31
thedo 167:1657b442184c 32 void I2CSlave::address(int address) {
thedo 167:1657b442184c 33 int addr = (address & 0xFF) | 1;
thedo 167:1657b442184c 34 i2c_slave_address(&_i2c, 0, addr, 0);
thedo 167:1657b442184c 35 }
thedo 167:1657b442184c 36
thedo 167:1657b442184c 37 int I2CSlave::receive(void) {
thedo 167:1657b442184c 38 return i2c_slave_receive(&_i2c);
thedo 167:1657b442184c 39 }
thedo 167:1657b442184c 40
thedo 167:1657b442184c 41 int I2CSlave::read(char *data, int length) {
thedo 167:1657b442184c 42 return i2c_slave_read(&_i2c, data, length) != length;
thedo 167:1657b442184c 43 }
thedo 167:1657b442184c 44
thedo 167:1657b442184c 45 int I2CSlave::read(void) {
thedo 167:1657b442184c 46 return i2c_byte_read(&_i2c, 0);
thedo 167:1657b442184c 47 }
thedo 167:1657b442184c 48
thedo 167:1657b442184c 49 int I2CSlave::write(const char *data, int length) {
thedo 167:1657b442184c 50 return i2c_slave_write(&_i2c, data, length) != length;
thedo 167:1657b442184c 51 }
thedo 167:1657b442184c 52
thedo 167:1657b442184c 53 int I2CSlave::write(int data) {
thedo 167:1657b442184c 54 return i2c_byte_write(&_i2c, data);
thedo 167:1657b442184c 55 }
thedo 167:1657b442184c 56
thedo 167:1657b442184c 57 void I2CSlave::stop(void) {
thedo 167:1657b442184c 58 i2c_stop(&_i2c);
thedo 167:1657b442184c 59 }
thedo 167:1657b442184c 60
thedo 167:1657b442184c 61 }
thedo 167:1657b442184c 62
thedo 167:1657b442184c 63 #endif
thedo 167:1657b442184c 64