Василий Басалаев / mbed-I2CIO

Modification of mbed-src library only for STM32F030F4, very cheap microcontroller in 20-Pin TSSOP package, with 16Kbytes of Flash and 4Kbytes of Ram. **Target for online compilator must be Nucleo 32F030R8.** 01.02.2018 Acosinwork: Fork of mbed-STM32F030F4 library. Support for Troyka GPIO expander by Amperka. http://amperka.ru/product/troyka-gpio-expander

Fork of mbed-STM32F030F4 by Nothing Special

common/CAN.cpp@12:6f07dd7cbe47, 2018-02-01 (annotated)

Committer:
acosinwork
Date:
Thu Feb 01 10:37:10 2018 +0000
Revision:
12:6f07dd7cbe47
Parent:
0:38ccae254a29 
Change pin mapping and set internall oscillator as default. Fork to support Troyka GPIO expander (I2C I/O); http://amperka.ru/product/troyka-gpio-expander

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mega64 0:38ccae254a29 1 /* mbed Microcontroller Library
mega64 0:38ccae254a29 2 * Copyright (c) 2006-2013 ARM Limited
mega64 0:38ccae254a29 3 *
mega64 0:38ccae254a29 4 * Licensed under the Apache License, Version 2.0 (the "License");
mega64 0:38ccae254a29 5 * you may not use this file except in compliance with the License.
mega64 0:38ccae254a29 6 * You may obtain a copy of the License at
mega64 0:38ccae254a29 7 *
mega64 0:38ccae254a29 8 * http://www.apache.org/licenses/LICENSE-2.0
mega64 0:38ccae254a29 9 *
mega64 0:38ccae254a29 10 * Unless required by applicable law or agreed to in writing, software
mega64 0:38ccae254a29 11 * distributed under the License is distributed on an "AS IS" BASIS,
mega64 0:38ccae254a29 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mega64 0:38ccae254a29 13 * See the License for the specific language governing permissions and
mega64 0:38ccae254a29 14 * limitations under the License.
mega64 0:38ccae254a29 15 */
mega64 0:38ccae254a29 16 #include "CAN.h"
mega64 0:38ccae254a29 17
mega64 0:38ccae254a29 18 #if DEVICE_CAN
mega64 0:38ccae254a29 19
mega64 0:38ccae254a29 20 #include "cmsis.h"
mega64 0:38ccae254a29 21
mega64 0:38ccae254a29 22 namespace mbed {
mega64 0:38ccae254a29 23
mega64 0:38ccae254a29 24 CAN::CAN(PinName rd, PinName td) : _can(), _irq() {
mega64 0:38ccae254a29 25 can_init(&_can, rd, td);
mega64 0:38ccae254a29 26 can_irq_init(&_can, (&CAN::_irq_handler), (uint32_t)this);
mega64 0:38ccae254a29 27 }
mega64 0:38ccae254a29 28
mega64 0:38ccae254a29 29 CAN::~CAN() {
mega64 0:38ccae254a29 30 can_irq_free(&_can);
mega64 0:38ccae254a29 31 can_free(&_can);
mega64 0:38ccae254a29 32 }
mega64 0:38ccae254a29 33
mega64 0:38ccae254a29 34 int CAN::frequency(int f) {
mega64 0:38ccae254a29 35 return can_frequency(&_can, f);
mega64 0:38ccae254a29 36 }
mega64 0:38ccae254a29 37
mega64 0:38ccae254a29 38 int CAN::write(CANMessage msg) {
mega64 0:38ccae254a29 39 return can_write(&_can, msg, 0);
mega64 0:38ccae254a29 40 }
mega64 0:38ccae254a29 41
mega64 0:38ccae254a29 42 int CAN::read(CANMessage &msg, int handle) {
mega64 0:38ccae254a29 43 return can_read(&_can, &msg, handle);
mega64 0:38ccae254a29 44 }
mega64 0:38ccae254a29 45
mega64 0:38ccae254a29 46 void CAN::reset() {
mega64 0:38ccae254a29 47 can_reset(&_can);
mega64 0:38ccae254a29 48 }
mega64 0:38ccae254a29 49
mega64 0:38ccae254a29 50 unsigned char CAN::rderror() {
mega64 0:38ccae254a29 51 return can_rderror(&_can);
mega64 0:38ccae254a29 52 }
mega64 0:38ccae254a29 53
mega64 0:38ccae254a29 54 unsigned char CAN::tderror() {
mega64 0:38ccae254a29 55 return can_tderror(&_can);
mega64 0:38ccae254a29 56 }
mega64 0:38ccae254a29 57
mega64 0:38ccae254a29 58 void CAN::monitor(bool silent) {
mega64 0:38ccae254a29 59 can_monitor(&_can, (silent) ? 1 : 0);
mega64 0:38ccae254a29 60 }
mega64 0:38ccae254a29 61
mega64 0:38ccae254a29 62 int CAN::mode(Mode mode) {
mega64 0:38ccae254a29 63 return can_mode(&_can, (CanMode)mode);
mega64 0:38ccae254a29 64 }
mega64 0:38ccae254a29 65
mega64 0:38ccae254a29 66 int CAN::filter(unsigned int id, unsigned int mask, CANFormat format, int handle) {
mega64 0:38ccae254a29 67 return can_filter(&_can, id, mask, format, handle);
mega64 0:38ccae254a29 68 }
mega64 0:38ccae254a29 69
mega64 0:38ccae254a29 70 void CAN::attach(void (*fptr)(void), IrqType type) {
mega64 0:38ccae254a29 71 if (fptr) {
mega64 0:38ccae254a29 72 _irq[(CanIrqType)type].attach(fptr);
mega64 0:38ccae254a29 73 can_irq_set(&_can, (CanIrqType)type, 1);
mega64 0:38ccae254a29 74 } else {
mega64 0:38ccae254a29 75 can_irq_set(&_can, (CanIrqType)type, 0);
mega64 0:38ccae254a29 76 }
mega64 0:38ccae254a29 77 }
mega64 0:38ccae254a29 78
mega64 0:38ccae254a29 79 void CAN::_irq_handler(uint32_t id, CanIrqType type) {
mega64 0:38ccae254a29 80 CAN *handler = (CAN*)id;
mega64 0:38ccae254a29 81 handler->_irq[type].call();
mega64 0:38ccae254a29 82 }
mega64 0:38ccae254a29 83
mega64 0:38ccae254a29 84 } // namespace mbed
mega64 0:38ccae254a29 85
mega64 0:38ccae254a29 86 #endif