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Diff: mbed/InterruptManager.h
- Revision:
- 1:3c6771928b35
- Parent:
- 0:d383e2dee0f7
- Child:
- 2:b7fdc74e5c5d
diff -r d383e2dee0f7 -r 3c6771928b35 mbed/InterruptManager.h
--- a/mbed/InterruptManager.h Mon Jul 06 17:18:59 2020 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,143 +0,0 @@
-#ifndef MBED_INTERRUPTMANAGER_H
-#define MBED_INTERRUPTMANAGER_H
-
-#include "cmsis.h"
-#include "CallChain.h"
-#include <string.h>
-
-namespace mbed {
-
-/** Use this singleton if you need to chain interrupt handlers.
- *
- * Example (for LPC1768):
- * @code
- * #include "InterruptManager.h"
- * #include "mbed.h"
- *
- * Ticker flipper;
- * DigitalOut led1(LED1);
- * DigitalOut led2(LED2);
- *
- * void flip(void) {
- * led1 = !led1;
- * }
- *
- * void handler(void) {
- * led2 = !led1;
- * }
- *
- * int main() {
- * led1 = led2 = 0;
- * flipper.attach(&flip, 1.0);
- * InterruptManager::get()->add_handler(handler, TIMER3_IRQn);
- * }
- * @endcode
- */
-class InterruptManager {
-public:
- /** Return the only instance of this class
- */
- static InterruptManager* get();
-
- /** Destroy the current instance of the interrupt manager
- */
- static void destroy();
-
- /** Add a handler for an interrupt at the end of the handler list
- *
- * @param function the handler to add
- * @param irq interrupt number
- *
- * @returns
- * The function object created for 'function'
- */
- pFunctionPointer_t add_handler(void (*function)(void), IRQn_Type irq) {
- return add_common(function, irq);
- }
-
- /** Add a handler for an interrupt at the beginning of the handler list
- *
- * @param function the handler to add
- * @param irq interrupt number
- *
- * @returns
- * The function object created for 'function'
- */
- pFunctionPointer_t add_handler_front(void (*function)(void), IRQn_Type irq) {
- return add_common(function, irq, true);
- }
-
- /** Add a handler for an interrupt at the end of the handler list
- *
- * @param tptr pointer to the object that has the handler function
- * @param mptr pointer to the actual handler function
- * @param irq interrupt number
- *
- * @returns
- * The function object created for 'tptr' and 'mptr'
- */
- template<typename T>
- pFunctionPointer_t add_handler(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
- return add_common(tptr, mptr, irq);
- }
-
- /** Add a handler for an interrupt at the beginning of the handler list
- *
- * @param tptr pointer to the object that has the handler function
- * @param mptr pointer to the actual handler function
- * @param irq interrupt number
- *
- * @returns
- * The function object created for 'tptr' and 'mptr'
- */
- template<typename T>
- pFunctionPointer_t add_handler_front(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
- return add_common(tptr, mptr, irq, true);
- }
-
- /** Remove a handler from an interrupt
- *
- * @param handler the function object for the handler to remove
- * @param irq the interrupt number
- *
- * @returns
- * true if the handler was found and removed, false otherwise
- */
- bool remove_handler(pFunctionPointer_t handler, IRQn_Type irq);
-
-private:
- InterruptManager();
- ~InterruptManager();
-
- // We declare the copy contructor and the assignment operator, but we don't
- // implement them. This way, if someone tries to copy/assign our instance,
- // he will get an error at compile time.
- InterruptManager(const InterruptManager&);
- InterruptManager& operator =(const InterruptManager&);
-
- template<typename T>
- pFunctionPointer_t add_common(T *tptr, void (T::*mptr)(void), IRQn_Type irq, bool front=false) {
- int irq_pos = get_irq_index(irq);
- bool change = must_replace_vector(irq);
-
- pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(tptr, mptr) : _chains[irq_pos]->add(tptr, mptr);
- if (change)
- NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper);
- return pf;
- }
-
- pFunctionPointer_t add_common(void (*function)(void), IRQn_Type irq, bool front=false);
- bool must_replace_vector(IRQn_Type irq);
- int get_irq_index(IRQn_Type irq);
- void irq_helper();
- void add_helper(void (*function)(void), IRQn_Type irq, bool front=false);
- static void static_irq_helper();
-
- CallChain* _chains[NVIC_NUM_VECTORS];
- static InterruptManager* _instance;
-};
-
-} // namespace mbed
-
-#endif
-