Aravind Vadali / mbed-src-AV

mbed.h library with any bug fixes AV finds.

Dependents:   micromouse4_encoder_testing PID_Test Lab1_Test WorkingPID ... more

common/CAN.cpp@1:ebce2ad32f95, 2015-11-02 (annotated)

Committer:
aravindsv
Date:
Mon Nov 02 03:07:12 2015 +0000
Revision:
1:ebce2ad32f95
Parent:
0:ba7650f404af 
Changed the RCC timeout value to 500 ms, so total code startup time before program starts running is ~1s. Hopefully no side-effects from lower startup timeouts

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aravindsv 0:ba7650f404af 1 /* mbed Microcontroller Library
aravindsv 0:ba7650f404af 2 * Copyright (c) 2006-2013 ARM Limited
aravindsv 0:ba7650f404af 3 *
aravindsv 0:ba7650f404af 4 * Licensed under the Apache License, Version 2.0 (the "License");
aravindsv 0:ba7650f404af 5 * you may not use this file except in compliance with the License.
aravindsv 0:ba7650f404af 6 * You may obtain a copy of the License at
aravindsv 0:ba7650f404af 7 *
aravindsv 0:ba7650f404af 8 * http://www.apache.org/licenses/LICENSE-2.0
aravindsv 0:ba7650f404af 9 *
aravindsv 0:ba7650f404af 10 * Unless required by applicable law or agreed to in writing, software
aravindsv 0:ba7650f404af 11 * distributed under the License is distributed on an "AS IS" BASIS,
aravindsv 0:ba7650f404af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
aravindsv 0:ba7650f404af 13 * See the License for the specific language governing permissions and
aravindsv 0:ba7650f404af 14 * limitations under the License.
aravindsv 0:ba7650f404af 15 */
aravindsv 0:ba7650f404af 16 #include "CAN.h"
aravindsv 0:ba7650f404af 17
aravindsv 0:ba7650f404af 18 #if DEVICE_CAN
aravindsv 0:ba7650f404af 19
aravindsv 0:ba7650f404af 20 #include "cmsis.h"
aravindsv 0:ba7650f404af 21
aravindsv 0:ba7650f404af 22 namespace mbed {
aravindsv 0:ba7650f404af 23
aravindsv 0:ba7650f404af 24 CAN::CAN(PinName rd, PinName td) : _can(), _irq() {
aravindsv 0:ba7650f404af 25 can_init(&_can, rd, td);
aravindsv 0:ba7650f404af 26 can_irq_init(&_can, (&CAN::_irq_handler), (uint32_t)this);
aravindsv 0:ba7650f404af 27 }
aravindsv 0:ba7650f404af 28
aravindsv 0:ba7650f404af 29 CAN::~CAN() {
aravindsv 0:ba7650f404af 30 can_irq_free(&_can);
aravindsv 0:ba7650f404af 31 can_free(&_can);
aravindsv 0:ba7650f404af 32 }
aravindsv 0:ba7650f404af 33
aravindsv 0:ba7650f404af 34 int CAN::frequency(int f) {
aravindsv 0:ba7650f404af 35 return can_frequency(&_can, f);
aravindsv 0:ba7650f404af 36 }
aravindsv 0:ba7650f404af 37
aravindsv 0:ba7650f404af 38 int CAN::write(CANMessage msg) {
aravindsv 0:ba7650f404af 39 return can_write(&_can, msg, 0);
aravindsv 0:ba7650f404af 40 }
aravindsv 0:ba7650f404af 41
aravindsv 0:ba7650f404af 42 int CAN::read(CANMessage &msg, int handle) {
aravindsv 0:ba7650f404af 43 return can_read(&_can, &msg, handle);
aravindsv 0:ba7650f404af 44 }
aravindsv 0:ba7650f404af 45
aravindsv 0:ba7650f404af 46 void CAN::reset() {
aravindsv 0:ba7650f404af 47 can_reset(&_can);
aravindsv 0:ba7650f404af 48 }
aravindsv 0:ba7650f404af 49
aravindsv 0:ba7650f404af 50 unsigned char CAN::rderror() {
aravindsv 0:ba7650f404af 51 return can_rderror(&_can);
aravindsv 0:ba7650f404af 52 }
aravindsv 0:ba7650f404af 53
aravindsv 0:ba7650f404af 54 unsigned char CAN::tderror() {
aravindsv 0:ba7650f404af 55 return can_tderror(&_can);
aravindsv 0:ba7650f404af 56 }
aravindsv 0:ba7650f404af 57
aravindsv 0:ba7650f404af 58 void CAN::monitor(bool silent) {
aravindsv 0:ba7650f404af 59 can_monitor(&_can, (silent) ? 1 : 0);
aravindsv 0:ba7650f404af 60 }
aravindsv 0:ba7650f404af 61
aravindsv 0:ba7650f404af 62 int CAN::mode(Mode mode) {
aravindsv 0:ba7650f404af 63 return can_mode(&_can, (CanMode)mode);
aravindsv 0:ba7650f404af 64 }
aravindsv 0:ba7650f404af 65
aravindsv 0:ba7650f404af 66 int CAN::filter(unsigned int id, unsigned int mask, CANFormat format, int handle) {
aravindsv 0:ba7650f404af 67 return can_filter(&_can, id, mask, format, handle);
aravindsv 0:ba7650f404af 68 }
aravindsv 0:ba7650f404af 69
aravindsv 0:ba7650f404af 70 void CAN::attach(void (*fptr)(void), IrqType type) {
aravindsv 0:ba7650f404af 71 if (fptr) {
aravindsv 0:ba7650f404af 72 _irq[(CanIrqType)type].attach(fptr);
aravindsv 0:ba7650f404af 73 can_irq_set(&_can, (CanIrqType)type, 1);
aravindsv 0:ba7650f404af 74 } else {
aravindsv 0:ba7650f404af 75 can_irq_set(&_can, (CanIrqType)type, 0);
aravindsv 0:ba7650f404af 76 }
aravindsv 0:ba7650f404af 77 }
aravindsv 0:ba7650f404af 78
aravindsv 0:ba7650f404af 79 void CAN::_irq_handler(uint32_t id, CanIrqType type) {
aravindsv 0:ba7650f404af 80 CAN *handler = (CAN*)id;
aravindsv 0:ba7650f404af 81 handler->_irq[type].call();
aravindsv 0:ba7650f404af 82 }
aravindsv 0:ba7650f404af 83
aravindsv 0:ba7650f404af 84 } // namespace mbed
aravindsv 0:ba7650f404af 85
aravindsv 0:ba7650f404af 86 #endif