PHung Tung / WAV2

SPKT

Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

mbed_src_STM32F7/common/I2CSlave.cpp@0:aa3fc5ad02f7, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 09:08:29 2019 +0000
Revision:
0:aa3fc5ad02f7
SPKT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:aa3fc5ad02f7 1 /* mbed Microcontroller Library
phungductung 0:aa3fc5ad02f7 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:aa3fc5ad02f7 3 *
phungductung 0:aa3fc5ad02f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:aa3fc5ad02f7 5 * you may not use this file except in compliance with the License.
phungductung 0:aa3fc5ad02f7 6 * You may obtain a copy of the License at
phungductung 0:aa3fc5ad02f7 7 *
phungductung 0:aa3fc5ad02f7 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:aa3fc5ad02f7 9 *
phungductung 0:aa3fc5ad02f7 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:aa3fc5ad02f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:aa3fc5ad02f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:aa3fc5ad02f7 13 * See the License for the specific language governing permissions and
phungductung 0:aa3fc5ad02f7 14 * limitations under the License.
phungductung 0:aa3fc5ad02f7 15 */
phungductung 0:aa3fc5ad02f7 16 #include "I2CSlave.h"
phungductung 0:aa3fc5ad02f7 17
phungductung 0:aa3fc5ad02f7 18 #if DEVICE_I2CSLAVE
phungductung 0:aa3fc5ad02f7 19
phungductung 0:aa3fc5ad02f7 20 namespace mbed {
phungductung 0:aa3fc5ad02f7 21
phungductung 0:aa3fc5ad02f7 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
phungductung 0:aa3fc5ad02f7 23 i2c_init(&_i2c, sda, scl);
phungductung 0:aa3fc5ad02f7 24 i2c_frequency(&_i2c, 100000);
phungductung 0:aa3fc5ad02f7 25 i2c_slave_mode(&_i2c, 1);
phungductung 0:aa3fc5ad02f7 26 }
phungductung 0:aa3fc5ad02f7 27
phungductung 0:aa3fc5ad02f7 28 void I2CSlave::frequency(int hz) {
phungductung 0:aa3fc5ad02f7 29 i2c_frequency(&_i2c, hz);
phungductung 0:aa3fc5ad02f7 30 }
phungductung 0:aa3fc5ad02f7 31
phungductung 0:aa3fc5ad02f7 32 void I2CSlave::address(int address) {
phungductung 0:aa3fc5ad02f7 33 int addr = (address & 0xFF) | 1;
phungductung 0:aa3fc5ad02f7 34 i2c_slave_address(&_i2c, 0, addr, 0);
phungductung 0:aa3fc5ad02f7 35 }
phungductung 0:aa3fc5ad02f7 36
phungductung 0:aa3fc5ad02f7 37 int I2CSlave::receive(void) {
phungductung 0:aa3fc5ad02f7 38 return i2c_slave_receive(&_i2c);
phungductung 0:aa3fc5ad02f7 39 }
phungductung 0:aa3fc5ad02f7 40
phungductung 0:aa3fc5ad02f7 41 int I2CSlave::read(char *data, int length) {
phungductung 0:aa3fc5ad02f7 42 return i2c_slave_read(&_i2c, data, length) != length;
phungductung 0:aa3fc5ad02f7 43 }
phungductung 0:aa3fc5ad02f7 44
phungductung 0:aa3fc5ad02f7 45 int I2CSlave::read(void) {
phungductung 0:aa3fc5ad02f7 46 return i2c_byte_read(&_i2c, 0);
phungductung 0:aa3fc5ad02f7 47 }
phungductung 0:aa3fc5ad02f7 48
phungductung 0:aa3fc5ad02f7 49 int I2CSlave::write(const char *data, int length) {
phungductung 0:aa3fc5ad02f7 50 return i2c_slave_write(&_i2c, data, length) != length;
phungductung 0:aa3fc5ad02f7 51 }
phungductung 0:aa3fc5ad02f7 52
phungductung 0:aa3fc5ad02f7 53 int I2CSlave::write(int data) {
phungductung 0:aa3fc5ad02f7 54 return i2c_byte_write(&_i2c, data);
phungductung 0:aa3fc5ad02f7 55 }
phungductung 0:aa3fc5ad02f7 56
phungductung 0:aa3fc5ad02f7 57 void I2CSlave::stop(void) {
phungductung 0:aa3fc5ad02f7 58 i2c_stop(&_i2c);
phungductung 0:aa3fc5ad02f7 59 }
phungductung 0:aa3fc5ad02f7 60
phungductung 0:aa3fc5ad02f7 61 }
phungductung 0:aa3fc5ad02f7 62
phungductung 0:aa3fc5ad02f7 63 #endif