Andrew SaLoutos / mbed-dev-STM-lean

From Ben Katz mbed-dev library. Removed unnecessary target files to reduce the overall size by a factor of 10 to make it easier to import into the online IDE.

Dependents:   motor_driver motor_driver_screaming_fix

drivers/I2CSlave.cpp@0:083111ae2a11, 2020-11-26 (annotated)

Committer:
saloutos
Date:
Thu Nov 26 04:08:56 2020 +0000
Revision:
0:083111ae2a11
first commit of leaned mbed dev lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
saloutos 0:083111ae2a11 1 /* mbed Microcontroller Library
saloutos 0:083111ae2a11 2 * Copyright (c) 2006-2013 ARM Limited
saloutos 0:083111ae2a11 3 *
saloutos 0:083111ae2a11 4 * Licensed under the Apache License, Version 2.0 (the "License");
saloutos 0:083111ae2a11 5 * you may not use this file except in compliance with the License.
saloutos 0:083111ae2a11 6 * You may obtain a copy of the License at
saloutos 0:083111ae2a11 7 *
saloutos 0:083111ae2a11 8 * http://www.apache.org/licenses/LICENSE-2.0
saloutos 0:083111ae2a11 9 *
saloutos 0:083111ae2a11 10 * Unless required by applicable law or agreed to in writing, software
saloutos 0:083111ae2a11 11 * distributed under the License is distributed on an "AS IS" BASIS,
saloutos 0:083111ae2a11 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
saloutos 0:083111ae2a11 13 * See the License for the specific language governing permissions and
saloutos 0:083111ae2a11 14 * limitations under the License.
saloutos 0:083111ae2a11 15 */
saloutos 0:083111ae2a11 16 #include "drivers/I2CSlave.h"
saloutos 0:083111ae2a11 17
saloutos 0:083111ae2a11 18 #if DEVICE_I2CSLAVE
saloutos 0:083111ae2a11 19
saloutos 0:083111ae2a11 20 namespace mbed {
saloutos 0:083111ae2a11 21
saloutos 0:083111ae2a11 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
saloutos 0:083111ae2a11 23 i2c_init(&_i2c, sda, scl);
saloutos 0:083111ae2a11 24 i2c_frequency(&_i2c, 100000);
saloutos 0:083111ae2a11 25 i2c_slave_mode(&_i2c, 1);
saloutos 0:083111ae2a11 26 }
saloutos 0:083111ae2a11 27
saloutos 0:083111ae2a11 28 void I2CSlave::frequency(int hz) {
saloutos 0:083111ae2a11 29 i2c_frequency(&_i2c, hz);
saloutos 0:083111ae2a11 30 }
saloutos 0:083111ae2a11 31
saloutos 0:083111ae2a11 32 void I2CSlave::address(int address) {
saloutos 0:083111ae2a11 33 int addr = (address & 0xFF) | 1;
saloutos 0:083111ae2a11 34 i2c_slave_address(&_i2c, 0, addr, 0);
saloutos 0:083111ae2a11 35 }
saloutos 0:083111ae2a11 36
saloutos 0:083111ae2a11 37 int I2CSlave::receive(void) {
saloutos 0:083111ae2a11 38 return i2c_slave_receive(&_i2c);
saloutos 0:083111ae2a11 39 }
saloutos 0:083111ae2a11 40
saloutos 0:083111ae2a11 41 int I2CSlave::read(char *data, int length) {
saloutos 0:083111ae2a11 42 return i2c_slave_read(&_i2c, data, length) != length;
saloutos 0:083111ae2a11 43 }
saloutos 0:083111ae2a11 44
saloutos 0:083111ae2a11 45 int I2CSlave::read(void) {
saloutos 0:083111ae2a11 46 return i2c_byte_read(&_i2c, 0);
saloutos 0:083111ae2a11 47 }
saloutos 0:083111ae2a11 48
saloutos 0:083111ae2a11 49 int I2CSlave::write(const char *data, int length) {
saloutos 0:083111ae2a11 50 return i2c_slave_write(&_i2c, data, length) != length;
saloutos 0:083111ae2a11 51 }
saloutos 0:083111ae2a11 52
saloutos 0:083111ae2a11 53 int I2CSlave::write(int data) {
saloutos 0:083111ae2a11 54 return i2c_byte_write(&_i2c, data);
saloutos 0:083111ae2a11 55 }
saloutos 0:083111ae2a11 56
saloutos 0:083111ae2a11 57 void I2CSlave::stop(void) {
saloutos 0:083111ae2a11 58 i2c_stop(&_i2c);
saloutos 0:083111ae2a11 59 }
saloutos 0:083111ae2a11 60
saloutos 0:083111ae2a11 61 }
saloutos 0:083111ae2a11 62
saloutos 0:083111ae2a11 63 #endif