Diff: cpp/CAN.cpp

Revision:

9:0ce32e54c9a7

Parent:

8:4e25b8576136

Child:

10:3bc89ef62ce7

--- a/cpp/CAN.cpp	Thu May 30 16:59:31 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,119 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "CAN.h"
-
-#if DEVICE_CAN
-
-#include "cmsis.h"
-
-namespace mbed {
-
-CAN::CAN(PinName rd, PinName td) {
-    can_init(&_can, rd, td);
-}
-
-CAN::~CAN() {
-    can_free(&_can);
-}
-
-int CAN::frequency(int f) {
-    return can_frequency(&_can, f);
-}
-
-int CAN::write(CANMessage msg) {
-    return can_write(&_can, msg, 0);
-}
-
-int CAN::read(CANMessage &msg) {
-    return can_read(&_can, &msg);
-}
-
-void CAN::reset() {
-    can_reset(&_can);
-}
-
-unsigned char CAN::rderror() {
-    return can_rderror(&_can);
-}
-
-unsigned char CAN::tderror() {
-    return can_tderror(&_can);
-}
-
-void CAN::monitor(bool silent) {
-    can_monitor(&_can, (silent) ? 1 : 0);
-}
-
-static FunctionPointer* can_obj[2] = { NULL };
-
-// Have to check that the CAN block is active before reading the Interrupt
-// Control Register, or the mbed hangs
-void can_irq(void) {
-    uint32_t icr;
-
-    if(LPC_SC->PCONP & (1 << 13)) {
-        icr = LPC_CAN1->ICR;
-
-        if(icr && (can_obj[0] != NULL)) {
-            can_obj[0]->call();
-        }
-    }
-
-    if(LPC_SC->PCONP & (1 << 14)) {
-        icr = LPC_CAN2->ICR;
-        if(icr && (can_obj[1] != NULL)) {
-            can_obj[1]->call();
-        }
-    }
-
-}
-
-void CAN::setup_interrupt(void) {
-    switch ((int)_can.dev) {
-        case CAN_1: can_obj[0] = &_rxirq; break;
-        case CAN_2: can_obj[1] = &_rxirq; break;
-    }
-    _can.dev->MOD |= 1;
-    _can.dev->IER |= 1;
-    _can.dev->MOD &= ~1;
-    NVIC_SetVector(CAN_IRQn, (uint32_t) &can_irq);
-    NVIC_EnableIRQ(CAN_IRQn);
-}
-
-void CAN::remove_interrupt(void) {
-    switch ((int)_can.dev) {
-        case CAN_1: can_obj[0] = NULL; break;
-        case CAN_2: can_obj[1] = NULL; break;
-    }
-
-    _can.dev->IER &= ~(1);
-    if ((can_obj[0] == NULL) && (can_obj[1] == NULL)) {
-        NVIC_DisableIRQ(CAN_IRQn);
-    }
-}
-
-void CAN::attach(void (*fptr)(void)) {
-    if (fptr != NULL) {
-        _rxirq.attach(fptr);
-        setup_interrupt();
-    } else {
-        remove_interrupt();
-    }
-}
-
-} // namespace mbed
-
-#endif