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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

common/CAN.cpp@635:a11c0372f0ba, 2015-09-30 (annotated)

Committer:
mbed_official
Date:
Wed Sep 30 17:00:09 2015 +0100
Revision:
635:a11c0372f0ba
Parent:
212:34d62c0b2af6 
Synchronized with git revision d29c98dae61be0946ddf3a3c641c7726056f9452



Full URL: https://github.com/mbedmicro/mbed/commit/d29c98dae61be0946ddf3a3c641c7726056f9452/



Added support for SAMW25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #include "CAN.h"
bogdanm 13:0645d8841f51 17
bogdanm 13:0645d8841f51 18 #if DEVICE_CAN
bogdanm 13:0645d8841f51 19
bogdanm 13:0645d8841f51 20 #include "cmsis.h"
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22 namespace mbed {
bogdanm 13:0645d8841f51 23
mbed_official 212:34d62c0b2af6 24 CAN::CAN(PinName rd, PinName td) : _can(), _irq() {
bogdanm 13:0645d8841f51 25 can_init(&_can, rd, td);
bogdanm 15:4892fe388435 26 can_irq_init(&_can, (&CAN::_irq_handler), (uint32_t)this);
bogdanm 13:0645d8841f51 27 }
bogdanm 13:0645d8841f51 28
bogdanm 13:0645d8841f51 29 CAN::~CAN() {
mbed_official 49:a1af374b4197 30 can_irq_free(&_can);
bogdanm 13:0645d8841f51 31 can_free(&_can);
bogdanm 13:0645d8841f51 32 }
bogdanm 13:0645d8841f51 33
bogdanm 13:0645d8841f51 34 int CAN::frequency(int f) {
bogdanm 13:0645d8841f51 35 return can_frequency(&_can, f);
bogdanm 13:0645d8841f51 36 }
bogdanm 13:0645d8841f51 37
bogdanm 13:0645d8841f51 38 int CAN::write(CANMessage msg) {
bogdanm 13:0645d8841f51 39 return can_write(&_can, msg, 0);
bogdanm 13:0645d8841f51 40 }
bogdanm 13:0645d8841f51 41
mbed_official 41:e8b66477f5bf 42 int CAN::read(CANMessage &msg, int handle) {
mbed_official 41:e8b66477f5bf 43 return can_read(&_can, &msg, handle);
bogdanm 13:0645d8841f51 44 }
bogdanm 13:0645d8841f51 45
bogdanm 13:0645d8841f51 46 void CAN::reset() {
bogdanm 13:0645d8841f51 47 can_reset(&_can);
bogdanm 13:0645d8841f51 48 }
bogdanm 13:0645d8841f51 49
bogdanm 13:0645d8841f51 50 unsigned char CAN::rderror() {
bogdanm 13:0645d8841f51 51 return can_rderror(&_can);
bogdanm 13:0645d8841f51 52 }
bogdanm 13:0645d8841f51 53
bogdanm 13:0645d8841f51 54 unsigned char CAN::tderror() {
bogdanm 13:0645d8841f51 55 return can_tderror(&_can);
bogdanm 13:0645d8841f51 56 }
bogdanm 13:0645d8841f51 57
bogdanm 13:0645d8841f51 58 void CAN::monitor(bool silent) {
bogdanm 13:0645d8841f51 59 can_monitor(&_can, (silent) ? 1 : 0);
bogdanm 13:0645d8841f51 60 }
bogdanm 13:0645d8841f51 61
bogdanm 15:4892fe388435 62 int CAN::mode(Mode mode) {
bogdanm 15:4892fe388435 63 return can_mode(&_can, (CanMode)mode);
bogdanm 15:4892fe388435 64 }
bogdanm 13:0645d8841f51 65
mbed_official 41:e8b66477f5bf 66 int CAN::filter(unsigned int id, unsigned int mask, CANFormat format, int handle) {
mbed_official 41:e8b66477f5bf 67 return can_filter(&_can, id, mask, format, handle);
mbed_official 41:e8b66477f5bf 68 }
mbed_official 41:e8b66477f5bf 69
mbed_official 41:e8b66477f5bf 70 void CAN::attach(void (*fptr)(void), IrqType type) {
mbed_official 41:e8b66477f5bf 71 if (fptr) {
mbed_official 41:e8b66477f5bf 72 _irq[(CanIrqType)type].attach(fptr);
mbed_official 41:e8b66477f5bf 73 can_irq_set(&_can, (CanIrqType)type, 1);
mbed_official 41:e8b66477f5bf 74 } else {
mbed_official 41:e8b66477f5bf 75 can_irq_set(&_can, (CanIrqType)type, 0);
bogdanm 13:0645d8841f51 76 }
mbed_official 41:e8b66477f5bf 77 }
bogdanm 13:0645d8841f51 78
mbed_official 41:e8b66477f5bf 79 void CAN::_irq_handler(uint32_t id, CanIrqType type) {
mbed_official 41:e8b66477f5bf 80 CAN *handler = (CAN*)id;
mbed_official 41:e8b66477f5bf 81 handler->_irq[type].call();
mbed_official 41:e8b66477f5bf 82 }
bogdanm 13:0645d8841f51 83
bogdanm 13:0645d8841f51 84 } // namespace mbed
bogdanm 13:0645d8841f51 85
bogdanm 13:0645d8841f51 86 #endif