Kenji Arai / mbed-os_TYBLE16

mbed-os5 only for TYBLE16

Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

drivers/source/I2CSlave.cpp@1:9db0e321a9f4, 2019-12-31 (annotated)

Committer:
kenjiArai
Date:
Tue Dec 31 06:02:27 2019 +0000
Revision:
1:9db0e321a9f4
updated based on mbed-os5.15.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 1:9db0e321a9f4 1 /* mbed Microcontroller Library
kenjiArai 1:9db0e321a9f4 2 * Copyright (c) 2006-2019 ARM Limited
kenjiArai 1:9db0e321a9f4 3 * SPDX-License-Identifier: Apache-2.0
kenjiArai 1:9db0e321a9f4 4 *
kenjiArai 1:9db0e321a9f4 5 * Licensed under the Apache License, Version 2.0 (the "License");
kenjiArai 1:9db0e321a9f4 6 * you may not use this file except in compliance with the License.
kenjiArai 1:9db0e321a9f4 7 * You may obtain a copy of the License at
kenjiArai 1:9db0e321a9f4 8 *
kenjiArai 1:9db0e321a9f4 9 * http://www.apache.org/licenses/LICENSE-2.0
kenjiArai 1:9db0e321a9f4 10 *
kenjiArai 1:9db0e321a9f4 11 * Unless required by applicable law or agreed to in writing, software
kenjiArai 1:9db0e321a9f4 12 * distributed under the License is distributed on an "AS IS" BASIS,
kenjiArai 1:9db0e321a9f4 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kenjiArai 1:9db0e321a9f4 14 * See the License for the specific language governing permissions and
kenjiArai 1:9db0e321a9f4 15 * limitations under the License.
kenjiArai 1:9db0e321a9f4 16 */
kenjiArai 1:9db0e321a9f4 17 #include "drivers/I2CSlave.h"
kenjiArai 1:9db0e321a9f4 18
kenjiArai 1:9db0e321a9f4 19 #if DEVICE_I2CSLAVE
kenjiArai 1:9db0e321a9f4 20
kenjiArai 1:9db0e321a9f4 21 namespace mbed {
kenjiArai 1:9db0e321a9f4 22
kenjiArai 1:9db0e321a9f4 23 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c()
kenjiArai 1:9db0e321a9f4 24 {
kenjiArai 1:9db0e321a9f4 25 i2c_init(&_i2c, sda, scl);
kenjiArai 1:9db0e321a9f4 26 i2c_frequency(&_i2c, 100000);
kenjiArai 1:9db0e321a9f4 27 i2c_slave_mode(&_i2c, 1);
kenjiArai 1:9db0e321a9f4 28 }
kenjiArai 1:9db0e321a9f4 29
kenjiArai 1:9db0e321a9f4 30 I2CSlave::I2CSlave(const i2c_pinmap_t &static_pinmap) : _i2c()
kenjiArai 1:9db0e321a9f4 31 {
kenjiArai 1:9db0e321a9f4 32 i2c_init_direct(&_i2c, &static_pinmap);
kenjiArai 1:9db0e321a9f4 33 i2c_frequency(&_i2c, 100000);
kenjiArai 1:9db0e321a9f4 34 i2c_slave_mode(&_i2c, 1);
kenjiArai 1:9db0e321a9f4 35 }
kenjiArai 1:9db0e321a9f4 36
kenjiArai 1:9db0e321a9f4 37 void I2CSlave::frequency(int hz)
kenjiArai 1:9db0e321a9f4 38 {
kenjiArai 1:9db0e321a9f4 39 i2c_frequency(&_i2c, hz);
kenjiArai 1:9db0e321a9f4 40 }
kenjiArai 1:9db0e321a9f4 41
kenjiArai 1:9db0e321a9f4 42 void I2CSlave::address(int address)
kenjiArai 1:9db0e321a9f4 43 {
kenjiArai 1:9db0e321a9f4 44 int addr = (address & 0xFF) | 1;
kenjiArai 1:9db0e321a9f4 45 i2c_slave_address(&_i2c, 0, addr, 0);
kenjiArai 1:9db0e321a9f4 46 }
kenjiArai 1:9db0e321a9f4 47
kenjiArai 1:9db0e321a9f4 48 int I2CSlave::receive(void)
kenjiArai 1:9db0e321a9f4 49 {
kenjiArai 1:9db0e321a9f4 50 return i2c_slave_receive(&_i2c);
kenjiArai 1:9db0e321a9f4 51 }
kenjiArai 1:9db0e321a9f4 52
kenjiArai 1:9db0e321a9f4 53 int I2CSlave::read(char *data, int length)
kenjiArai 1:9db0e321a9f4 54 {
kenjiArai 1:9db0e321a9f4 55 return i2c_slave_read(&_i2c, data, length) != length;
kenjiArai 1:9db0e321a9f4 56 }
kenjiArai 1:9db0e321a9f4 57
kenjiArai 1:9db0e321a9f4 58 int I2CSlave::read(void)
kenjiArai 1:9db0e321a9f4 59 {
kenjiArai 1:9db0e321a9f4 60 return i2c_byte_read(&_i2c, 0);
kenjiArai 1:9db0e321a9f4 61 }
kenjiArai 1:9db0e321a9f4 62
kenjiArai 1:9db0e321a9f4 63 int I2CSlave::write(const char *data, int length)
kenjiArai 1:9db0e321a9f4 64 {
kenjiArai 1:9db0e321a9f4 65 return i2c_slave_write(&_i2c, data, length) != length;
kenjiArai 1:9db0e321a9f4 66 }
kenjiArai 1:9db0e321a9f4 67
kenjiArai 1:9db0e321a9f4 68 int I2CSlave::write(int data)
kenjiArai 1:9db0e321a9f4 69 {
kenjiArai 1:9db0e321a9f4 70 return i2c_byte_write(&_i2c, data);
kenjiArai 1:9db0e321a9f4 71 }
kenjiArai 1:9db0e321a9f4 72
kenjiArai 1:9db0e321a9f4 73 void I2CSlave::stop(void)
kenjiArai 1:9db0e321a9f4 74 {
kenjiArai 1:9db0e321a9f4 75 i2c_stop(&_i2c);
kenjiArai 1:9db0e321a9f4 76 }
kenjiArai 1:9db0e321a9f4 77
kenjiArai 1:9db0e321a9f4 78 }
kenjiArai 1:9db0e321a9f4 79
kenjiArai 1:9db0e321a9f4 80 #endif