Steven Wray / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

common/CAN.cpp@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* mbed Microcontroller Library
bogdanm 0:9b334a45a8ff 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 0:9b334a45a8ff 3 *
bogdanm 0:9b334a45a8ff 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 0:9b334a45a8ff 5 * you may not use this file except in compliance with the License.
bogdanm 0:9b334a45a8ff 6 * You may obtain a copy of the License at
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 0:9b334a45a8ff 9 *
bogdanm 0:9b334a45a8ff 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 0:9b334a45a8ff 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 0:9b334a45a8ff 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 0:9b334a45a8ff 13 * See the License for the specific language governing permissions and
bogdanm 0:9b334a45a8ff 14 * limitations under the License.
bogdanm 0:9b334a45a8ff 15 */
bogdanm 0:9b334a45a8ff 16 #include "CAN.h"
bogdanm 0:9b334a45a8ff 17
bogdanm 0:9b334a45a8ff 18 #if DEVICE_CAN
bogdanm 0:9b334a45a8ff 19
bogdanm 0:9b334a45a8ff 20 #include "cmsis.h"
bogdanm 0:9b334a45a8ff 21
bogdanm 0:9b334a45a8ff 22 namespace mbed {
bogdanm 0:9b334a45a8ff 23
bogdanm 0:9b334a45a8ff 24 CAN::CAN(PinName rd, PinName td) : _can(), _irq() {
bogdanm 0:9b334a45a8ff 25 can_init(&_can, rd, td);
bogdanm 0:9b334a45a8ff 26 can_irq_init(&_can, (&CAN::_irq_handler), (uint32_t)this);
bogdanm 0:9b334a45a8ff 27 }
bogdanm 0:9b334a45a8ff 28
bogdanm 0:9b334a45a8ff 29 CAN::~CAN() {
bogdanm 0:9b334a45a8ff 30 can_irq_free(&_can);
bogdanm 0:9b334a45a8ff 31 can_free(&_can);
bogdanm 0:9b334a45a8ff 32 }
bogdanm 0:9b334a45a8ff 33
bogdanm 0:9b334a45a8ff 34 int CAN::frequency(int f) {
bogdanm 0:9b334a45a8ff 35 return can_frequency(&_can, f);
bogdanm 0:9b334a45a8ff 36 }
bogdanm 0:9b334a45a8ff 37
bogdanm 0:9b334a45a8ff 38 int CAN::write(CANMessage msg) {
bogdanm 0:9b334a45a8ff 39 return can_write(&_can, msg, 0);
bogdanm 0:9b334a45a8ff 40 }
bogdanm 0:9b334a45a8ff 41
bogdanm 0:9b334a45a8ff 42 int CAN::read(CANMessage &msg, int handle) {
bogdanm 0:9b334a45a8ff 43 return can_read(&_can, &msg, handle);
bogdanm 0:9b334a45a8ff 44 }
bogdanm 0:9b334a45a8ff 45
bogdanm 0:9b334a45a8ff 46 void CAN::reset() {
bogdanm 0:9b334a45a8ff 47 can_reset(&_can);
bogdanm 0:9b334a45a8ff 48 }
bogdanm 0:9b334a45a8ff 49
bogdanm 0:9b334a45a8ff 50 unsigned char CAN::rderror() {
bogdanm 0:9b334a45a8ff 51 return can_rderror(&_can);
bogdanm 0:9b334a45a8ff 52 }
bogdanm 0:9b334a45a8ff 53
bogdanm 0:9b334a45a8ff 54 unsigned char CAN::tderror() {
bogdanm 0:9b334a45a8ff 55 return can_tderror(&_can);
bogdanm 0:9b334a45a8ff 56 }
bogdanm 0:9b334a45a8ff 57
bogdanm 0:9b334a45a8ff 58 void CAN::monitor(bool silent) {
bogdanm 0:9b334a45a8ff 59 can_monitor(&_can, (silent) ? 1 : 0);
bogdanm 0:9b334a45a8ff 60 }
bogdanm 0:9b334a45a8ff 61
bogdanm 0:9b334a45a8ff 62 int CAN::mode(Mode mode) {
bogdanm 0:9b334a45a8ff 63 return can_mode(&_can, (CanMode)mode);
bogdanm 0:9b334a45a8ff 64 }
bogdanm 0:9b334a45a8ff 65
bogdanm 0:9b334a45a8ff 66 int CAN::filter(unsigned int id, unsigned int mask, CANFormat format, int handle) {
bogdanm 0:9b334a45a8ff 67 return can_filter(&_can, id, mask, format, handle);
bogdanm 0:9b334a45a8ff 68 }
bogdanm 0:9b334a45a8ff 69
bogdanm 0:9b334a45a8ff 70 void CAN::attach(void (*fptr)(void), IrqType type) {
bogdanm 0:9b334a45a8ff 71 if (fptr) {
bogdanm 0:9b334a45a8ff 72 _irq[(CanIrqType)type].attach(fptr);
bogdanm 0:9b334a45a8ff 73 can_irq_set(&_can, (CanIrqType)type, 1);
bogdanm 0:9b334a45a8ff 74 } else {
bogdanm 0:9b334a45a8ff 75 can_irq_set(&_can, (CanIrqType)type, 0);
bogdanm 0:9b334a45a8ff 76 }
bogdanm 0:9b334a45a8ff 77 }
bogdanm 0:9b334a45a8ff 78
bogdanm 0:9b334a45a8ff 79 void CAN::_irq_handler(uint32_t id, CanIrqType type) {
bogdanm 0:9b334a45a8ff 80 CAN *handler = (CAN*)id;
bogdanm 0:9b334a45a8ff 81 handler->_irq[type].call();
bogdanm 0:9b334a45a8ff 82 }
bogdanm 0:9b334a45a8ff 83
bogdanm 0:9b334a45a8ff 84 } // namespace mbed
bogdanm 0:9b334a45a8ff 85
bogdanm 0:9b334a45a8ff 86 #endif