spinal cord / PokittoLib_

PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)

mbed-pokitto/common/I2CSlave.cpp@64:6e6c6c2b664e, 2018-11-18 (annotated)

Committer:
spinal
Date:
Sun Nov 18 15:47:54 2018 +0000
Revision:
64:6e6c6c2b664e
Parent:
5:ea7377f3d1af 
added fix for directrectangle()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 5:ea7377f3d1af 1 /* mbed Microcontroller Library
Pokitto 5:ea7377f3d1af 2 * Copyright (c) 2006-2013 ARM Limited
Pokitto 5:ea7377f3d1af 3 *
Pokitto 5:ea7377f3d1af 4 * Licensed under the Apache License, Version 2.0 (the "License");
Pokitto 5:ea7377f3d1af 5 * you may not use this file except in compliance with the License.
Pokitto 5:ea7377f3d1af 6 * You may obtain a copy of the License at
Pokitto 5:ea7377f3d1af 7 *
Pokitto 5:ea7377f3d1af 8 * http://www.apache.org/licenses/LICENSE-2.0
Pokitto 5:ea7377f3d1af 9 *
Pokitto 5:ea7377f3d1af 10 * Unless required by applicable law or agreed to in writing, software
Pokitto 5:ea7377f3d1af 11 * distributed under the License is distributed on an "AS IS" BASIS,
Pokitto 5:ea7377f3d1af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pokitto 5:ea7377f3d1af 13 * See the License for the specific language governing permissions and
Pokitto 5:ea7377f3d1af 14 * limitations under the License.
Pokitto 5:ea7377f3d1af 15 */
Pokitto 5:ea7377f3d1af 16 #include "I2CSlave.h"
Pokitto 5:ea7377f3d1af 17
Pokitto 5:ea7377f3d1af 18 #if DEVICE_I2CSLAVE
Pokitto 5:ea7377f3d1af 19
Pokitto 5:ea7377f3d1af 20 namespace mbed {
Pokitto 5:ea7377f3d1af 21
Pokitto 5:ea7377f3d1af 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
Pokitto 5:ea7377f3d1af 23 i2c_init(&_i2c, sda, scl);
Pokitto 5:ea7377f3d1af 24 i2c_frequency(&_i2c, 100000);
Pokitto 5:ea7377f3d1af 25 i2c_slave_mode(&_i2c, 1);
Pokitto 5:ea7377f3d1af 26 }
Pokitto 5:ea7377f3d1af 27
Pokitto 5:ea7377f3d1af 28 void I2CSlave::frequency(int hz) {
Pokitto 5:ea7377f3d1af 29 i2c_frequency(&_i2c, hz);
Pokitto 5:ea7377f3d1af 30 }
Pokitto 5:ea7377f3d1af 31
Pokitto 5:ea7377f3d1af 32 void I2CSlave::address(int address) {
Pokitto 5:ea7377f3d1af 33 int addr = (address & 0xFF) | 1;
Pokitto 5:ea7377f3d1af 34 i2c_slave_address(&_i2c, 0, addr, 0);
Pokitto 5:ea7377f3d1af 35 }
Pokitto 5:ea7377f3d1af 36
Pokitto 5:ea7377f3d1af 37 int I2CSlave::receive(void) {
Pokitto 5:ea7377f3d1af 38 return i2c_slave_receive(&_i2c);
Pokitto 5:ea7377f3d1af 39 }
Pokitto 5:ea7377f3d1af 40
Pokitto 5:ea7377f3d1af 41 int I2CSlave::read(char *data, int length) {
Pokitto 5:ea7377f3d1af 42 return i2c_slave_read(&_i2c, data, length) != length;
Pokitto 5:ea7377f3d1af 43 }
Pokitto 5:ea7377f3d1af 44
Pokitto 5:ea7377f3d1af 45 int I2CSlave::read(void) {
Pokitto 5:ea7377f3d1af 46 return i2c_byte_read(&_i2c, 0);
Pokitto 5:ea7377f3d1af 47 }
Pokitto 5:ea7377f3d1af 48
Pokitto 5:ea7377f3d1af 49 int I2CSlave::write(const char *data, int length) {
Pokitto 5:ea7377f3d1af 50 return i2c_slave_write(&_i2c, data, length) != length;
Pokitto 5:ea7377f3d1af 51 }
Pokitto 5:ea7377f3d1af 52
Pokitto 5:ea7377f3d1af 53 int I2CSlave::write(int data) {
Pokitto 5:ea7377f3d1af 54 return i2c_byte_write(&_i2c, data);
Pokitto 5:ea7377f3d1af 55 }
Pokitto 5:ea7377f3d1af 56
Pokitto 5:ea7377f3d1af 57 void I2CSlave::stop(void) {
Pokitto 5:ea7377f3d1af 58 i2c_stop(&_i2c);
Pokitto 5:ea7377f3d1af 59 }
Pokitto 5:ea7377f3d1af 60
Pokitto 5:ea7377f3d1af 61 }
Pokitto 5:ea7377f3d1af 62
Pokitto 5:ea7377f3d1af 63 #endif