David DiCarlo / mbed-src-KL05Z-smart-sensor

Fork of mbed for KL05Z based smart sensor which has no crystal on the board, so MCG FEI mode is required.

Dependents:   smart-sensor-KL05Z-debug

Fork of mbed-src by Ermanno Brusadin

common/I2CSlave.cpp@1:da408b460382, 2018-01-29 (annotated)

Committer:
r14793
Date:
Mon Jan 29 15:38:37 2018 +0000
Revision:
1:da408b460382
Parent:
0:0a673c671a56 
changed KL05 MCG mode to FEI for smart sensor boards (no crystal)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:0a673c671a56 1 /* mbed Microcontroller Library
ebrus 0:0a673c671a56 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:0a673c671a56 3 *
ebrus 0:0a673c671a56 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:0a673c671a56 5 * you may not use this file except in compliance with the License.
ebrus 0:0a673c671a56 6 * You may obtain a copy of the License at
ebrus 0:0a673c671a56 7 *
ebrus 0:0a673c671a56 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:0a673c671a56 9 *
ebrus 0:0a673c671a56 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:0a673c671a56 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:0a673c671a56 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:0a673c671a56 13 * See the License for the specific language governing permissions and
ebrus 0:0a673c671a56 14 * limitations under the License.
ebrus 0:0a673c671a56 15 */
ebrus 0:0a673c671a56 16 #include "I2CSlave.h"
ebrus 0:0a673c671a56 17
ebrus 0:0a673c671a56 18 #if DEVICE_I2CSLAVE
ebrus 0:0a673c671a56 19
ebrus 0:0a673c671a56 20 namespace mbed {
ebrus 0:0a673c671a56 21
ebrus 0:0a673c671a56 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
ebrus 0:0a673c671a56 23 i2c_init(&_i2c, sda, scl);
ebrus 0:0a673c671a56 24 i2c_frequency(&_i2c, 100000);
ebrus 0:0a673c671a56 25 i2c_slave_mode(&_i2c, 1);
ebrus 0:0a673c671a56 26 }
ebrus 0:0a673c671a56 27
ebrus 0:0a673c671a56 28 void I2CSlave::frequency(int hz) {
ebrus 0:0a673c671a56 29 i2c_frequency(&_i2c, hz);
ebrus 0:0a673c671a56 30 }
ebrus 0:0a673c671a56 31
ebrus 0:0a673c671a56 32 void I2CSlave::address(int address) {
ebrus 0:0a673c671a56 33 int addr = (address & 0xFF) | 1;
ebrus 0:0a673c671a56 34 i2c_slave_address(&_i2c, 0, addr, 0);
ebrus 0:0a673c671a56 35 }
ebrus 0:0a673c671a56 36
ebrus 0:0a673c671a56 37 int I2CSlave::receive(void) {
ebrus 0:0a673c671a56 38 return i2c_slave_receive(&_i2c);
ebrus 0:0a673c671a56 39 }
ebrus 0:0a673c671a56 40
ebrus 0:0a673c671a56 41 int I2CSlave::read(char *data, int length) {
ebrus 0:0a673c671a56 42 return i2c_slave_read(&_i2c, data, length) != length;
ebrus 0:0a673c671a56 43 }
ebrus 0:0a673c671a56 44
ebrus 0:0a673c671a56 45 int I2CSlave::read(void) {
ebrus 0:0a673c671a56 46 return i2c_byte_read(&_i2c, 0);
ebrus 0:0a673c671a56 47 }
ebrus 0:0a673c671a56 48
ebrus 0:0a673c671a56 49 int I2CSlave::write(const char *data, int length) {
ebrus 0:0a673c671a56 50 return i2c_slave_write(&_i2c, data, length) != length;
ebrus 0:0a673c671a56 51 }
ebrus 0:0a673c671a56 52
ebrus 0:0a673c671a56 53 int I2CSlave::write(int data) {
ebrus 0:0a673c671a56 54 return i2c_byte_write(&_i2c, data);
ebrus 0:0a673c671a56 55 }
ebrus 0:0a673c671a56 56
ebrus 0:0a673c671a56 57 void I2CSlave::stop(void) {
ebrus 0:0a673c671a56 58 i2c_stop(&_i2c);
ebrus 0:0a673c671a56 59 }
ebrus 0:0a673c671a56 60
ebrus 0:0a673c671a56 61 }
ebrus 0:0a673c671a56 62
ebrus 0:0a673c671a56 63 #endif