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Diff: common/CAN.cpp
- Revision:
- 13:0645d8841f51
- Parent:
- 10:3bc89ef62ce7
- Child:
- 15:4892fe388435
diff -r 5fa2273de5db -r 0645d8841f51 common/CAN.cpp
--- a/common/CAN.cpp Wed Jul 24 11:11:21 2013 +0100
+++ b/common/CAN.cpp Mon Aug 05 14:12:34 2013 +0300
@@ -1,119 +1,119 @@
-/* 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
+/* 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