Yihui Xiong / mbed-src-nrf51822

customized mbed library sources for nrf51822

Dependents:   Grove_Node Potentiometer BLE_Beacon I2C_Scanner

common/CAN.cpp@0:700cadd8b708, 2014-11-04 (annotated)

Committer:
yihui
Date:
Tue Nov 04 07:38:53 2014 +0000
Revision:
0:700cadd8b708
customized mbed-src library for nrf51822

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 0:700cadd8b708 1 /* mbed Microcontroller Library
yihui 0:700cadd8b708 2 * Copyright (c) 2006-2013 ARM Limited
yihui 0:700cadd8b708 3 *
yihui 0:700cadd8b708 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 0:700cadd8b708 5 * you may not use this file except in compliance with the License.
yihui 0:700cadd8b708 6 * You may obtain a copy of the License at
yihui 0:700cadd8b708 7 *
yihui 0:700cadd8b708 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 0:700cadd8b708 9 *
yihui 0:700cadd8b708 10 * Unless required by applicable law or agreed to in writing, software
yihui 0:700cadd8b708 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 0:700cadd8b708 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 0:700cadd8b708 13 * See the License for the specific language governing permissions and
yihui 0:700cadd8b708 14 * limitations under the License.
yihui 0:700cadd8b708 15 */
yihui 0:700cadd8b708 16 #include "CAN.h"
yihui 0:700cadd8b708 17
yihui 0:700cadd8b708 18 #if DEVICE_CAN
yihui 0:700cadd8b708 19
yihui 0:700cadd8b708 20 #include "cmsis.h"
yihui 0:700cadd8b708 21
yihui 0:700cadd8b708 22 namespace mbed {
yihui 0:700cadd8b708 23
yihui 0:700cadd8b708 24 CAN::CAN(PinName rd, PinName td) : _can(), _irq() {
yihui 0:700cadd8b708 25 can_init(&_can, rd, td);
yihui 0:700cadd8b708 26 can_irq_init(&_can, (&CAN::_irq_handler), (uint32_t)this);
yihui 0:700cadd8b708 27 }
yihui 0:700cadd8b708 28
yihui 0:700cadd8b708 29 CAN::~CAN() {
yihui 0:700cadd8b708 30 can_irq_free(&_can);
yihui 0:700cadd8b708 31 can_free(&_can);
yihui 0:700cadd8b708 32 }
yihui 0:700cadd8b708 33
yihui 0:700cadd8b708 34 int CAN::frequency(int f) {
yihui 0:700cadd8b708 35 return can_frequency(&_can, f);
yihui 0:700cadd8b708 36 }
yihui 0:700cadd8b708 37
yihui 0:700cadd8b708 38 int CAN::write(CANMessage msg) {
yihui 0:700cadd8b708 39 return can_write(&_can, msg, 0);
yihui 0:700cadd8b708 40 }
yihui 0:700cadd8b708 41
yihui 0:700cadd8b708 42 int CAN::read(CANMessage &msg, int handle) {
yihui 0:700cadd8b708 43 return can_read(&_can, &msg, handle);
yihui 0:700cadd8b708 44 }
yihui 0:700cadd8b708 45
yihui 0:700cadd8b708 46 void CAN::reset() {
yihui 0:700cadd8b708 47 can_reset(&_can);
yihui 0:700cadd8b708 48 }
yihui 0:700cadd8b708 49
yihui 0:700cadd8b708 50 unsigned char CAN::rderror() {
yihui 0:700cadd8b708 51 return can_rderror(&_can);
yihui 0:700cadd8b708 52 }
yihui 0:700cadd8b708 53
yihui 0:700cadd8b708 54 unsigned char CAN::tderror() {
yihui 0:700cadd8b708 55 return can_tderror(&_can);
yihui 0:700cadd8b708 56 }
yihui 0:700cadd8b708 57
yihui 0:700cadd8b708 58 void CAN::monitor(bool silent) {
yihui 0:700cadd8b708 59 can_monitor(&_can, (silent) ? 1 : 0);
yihui 0:700cadd8b708 60 }
yihui 0:700cadd8b708 61
yihui 0:700cadd8b708 62 int CAN::mode(Mode mode) {
yihui 0:700cadd8b708 63 return can_mode(&_can, (CanMode)mode);
yihui 0:700cadd8b708 64 }
yihui 0:700cadd8b708 65
yihui 0:700cadd8b708 66 int CAN::filter(unsigned int id, unsigned int mask, CANFormat format, int handle) {
yihui 0:700cadd8b708 67 return can_filter(&_can, id, mask, format, handle);
yihui 0:700cadd8b708 68 }
yihui 0:700cadd8b708 69
yihui 0:700cadd8b708 70 void CAN::attach(void (*fptr)(void), IrqType type) {
yihui 0:700cadd8b708 71 if (fptr) {
yihui 0:700cadd8b708 72 _irq[(CanIrqType)type].attach(fptr);
yihui 0:700cadd8b708 73 can_irq_set(&_can, (CanIrqType)type, 1);
yihui 0:700cadd8b708 74 } else {
yihui 0:700cadd8b708 75 can_irq_set(&_can, (CanIrqType)type, 0);
yihui 0:700cadd8b708 76 }
yihui 0:700cadd8b708 77 }
yihui 0:700cadd8b708 78
yihui 0:700cadd8b708 79 void CAN::_irq_handler(uint32_t id, CanIrqType type) {
yihui 0:700cadd8b708 80 CAN *handler = (CAN*)id;
yihui 0:700cadd8b708 81 handler->_irq[type].call();
yihui 0:700cadd8b708 82 }
yihui 0:700cadd8b708 83
yihui 0:700cadd8b708 84 } // namespace mbed
yihui 0:700cadd8b708 85
yihui 0:700cadd8b708 86 #endif