Ermanno Brusadin / mbed

mbed library sources

Dependents:   FRDM-KL46Z_LCD_Test FRDM-KL46Z_LCD_Test FRDM-KL46Z_Plantilla FRDM-KL46Z_Plantilla ... more

common/CAN.cpp@0:6bc4ac881c8e, 2016-07-28 (annotated)

Committer:
ebrus
Date:
Thu Jul 28 15:56:34 2016 +0000
Revision:
0:6bc4ac881c8e
1;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:6bc4ac881c8e 1 /* mbed Microcontroller Library
ebrus 0:6bc4ac881c8e 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:6bc4ac881c8e 3 *
ebrus 0:6bc4ac881c8e 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:6bc4ac881c8e 5 * you may not use this file except in compliance with the License.
ebrus 0:6bc4ac881c8e 6 * You may obtain a copy of the License at
ebrus 0:6bc4ac881c8e 7 *
ebrus 0:6bc4ac881c8e 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:6bc4ac881c8e 9 *
ebrus 0:6bc4ac881c8e 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:6bc4ac881c8e 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:6bc4ac881c8e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:6bc4ac881c8e 13 * See the License for the specific language governing permissions and
ebrus 0:6bc4ac881c8e 14 * limitations under the License.
ebrus 0:6bc4ac881c8e 15 */
ebrus 0:6bc4ac881c8e 16 #include "CAN.h"
ebrus 0:6bc4ac881c8e 17
ebrus 0:6bc4ac881c8e 18 #if DEVICE_CAN
ebrus 0:6bc4ac881c8e 19
ebrus 0:6bc4ac881c8e 20 #include "cmsis.h"
ebrus 0:6bc4ac881c8e 21
ebrus 0:6bc4ac881c8e 22 namespace mbed {
ebrus 0:6bc4ac881c8e 23
ebrus 0:6bc4ac881c8e 24 CAN::CAN(PinName rd, PinName td) : _can(), _irq() {
ebrus 0:6bc4ac881c8e 25 can_init(&_can, rd, td);
ebrus 0:6bc4ac881c8e 26 can_irq_init(&_can, (&CAN::_irq_handler), (uint32_t)this);
ebrus 0:6bc4ac881c8e 27 }
ebrus 0:6bc4ac881c8e 28
ebrus 0:6bc4ac881c8e 29 CAN::~CAN() {
ebrus 0:6bc4ac881c8e 30 can_irq_free(&_can);
ebrus 0:6bc4ac881c8e 31 can_free(&_can);
ebrus 0:6bc4ac881c8e 32 }
ebrus 0:6bc4ac881c8e 33
ebrus 0:6bc4ac881c8e 34 int CAN::frequency(int f) {
ebrus 0:6bc4ac881c8e 35 return can_frequency(&_can, f);
ebrus 0:6bc4ac881c8e 36 }
ebrus 0:6bc4ac881c8e 37
ebrus 0:6bc4ac881c8e 38 int CAN::write(CANMessage msg) {
ebrus 0:6bc4ac881c8e 39 return can_write(&_can, msg, 0);
ebrus 0:6bc4ac881c8e 40 }
ebrus 0:6bc4ac881c8e 41
ebrus 0:6bc4ac881c8e 42 int CAN::read(CANMessage &msg, int handle) {
ebrus 0:6bc4ac881c8e 43 return can_read(&_can, &msg, handle);
ebrus 0:6bc4ac881c8e 44 }
ebrus 0:6bc4ac881c8e 45
ebrus 0:6bc4ac881c8e 46 void CAN::reset() {
ebrus 0:6bc4ac881c8e 47 can_reset(&_can);
ebrus 0:6bc4ac881c8e 48 }
ebrus 0:6bc4ac881c8e 49
ebrus 0:6bc4ac881c8e 50 unsigned char CAN::rderror() {
ebrus 0:6bc4ac881c8e 51 return can_rderror(&_can);
ebrus 0:6bc4ac881c8e 52 }
ebrus 0:6bc4ac881c8e 53
ebrus 0:6bc4ac881c8e 54 unsigned char CAN::tderror() {
ebrus 0:6bc4ac881c8e 55 return can_tderror(&_can);
ebrus 0:6bc4ac881c8e 56 }
ebrus 0:6bc4ac881c8e 57
ebrus 0:6bc4ac881c8e 58 void CAN::monitor(bool silent) {
ebrus 0:6bc4ac881c8e 59 can_monitor(&_can, (silent) ? 1 : 0);
ebrus 0:6bc4ac881c8e 60 }
ebrus 0:6bc4ac881c8e 61
ebrus 0:6bc4ac881c8e 62 int CAN::mode(Mode mode) {
ebrus 0:6bc4ac881c8e 63 return can_mode(&_can, (CanMode)mode);
ebrus 0:6bc4ac881c8e 64 }
ebrus 0:6bc4ac881c8e 65
ebrus 0:6bc4ac881c8e 66 int CAN::filter(unsigned int id, unsigned int mask, CANFormat format, int handle) {
ebrus 0:6bc4ac881c8e 67 return can_filter(&_can, id, mask, format, handle);
ebrus 0:6bc4ac881c8e 68 }
ebrus 0:6bc4ac881c8e 69
ebrus 0:6bc4ac881c8e 70 void CAN::attach(void (*fptr)(void), IrqType type) {
ebrus 0:6bc4ac881c8e 71 if (fptr) {
ebrus 0:6bc4ac881c8e 72 _irq[(CanIrqType)type].attach(fptr);
ebrus 0:6bc4ac881c8e 73 can_irq_set(&_can, (CanIrqType)type, 1);
ebrus 0:6bc4ac881c8e 74 } else {
ebrus 0:6bc4ac881c8e 75 can_irq_set(&_can, (CanIrqType)type, 0);
ebrus 0:6bc4ac881c8e 76 }
ebrus 0:6bc4ac881c8e 77 }
ebrus 0:6bc4ac881c8e 78
ebrus 0:6bc4ac881c8e 79 void CAN::_irq_handler(uint32_t id, CanIrqType type) {
ebrus 0:6bc4ac881c8e 80 CAN *handler = (CAN*)id;
ebrus 0:6bc4ac881c8e 81 handler->_irq[type].call();
ebrus 0:6bc4ac881c8e 82 }
ebrus 0:6bc4ac881c8e 83
ebrus 0:6bc4ac881c8e 84 } // namespace mbed
ebrus 0:6bc4ac881c8e 85
ebrus 0:6bc4ac881c8e 86 #endif