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Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

mbed_src_STM32F7/api/InterruptManager.h@0:aa3fc5ad02f7, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 09:08:29 2019 +0000
Revision:
0:aa3fc5ad02f7
SPKT

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phungductung 0:aa3fc5ad02f7 1 #ifndef MBED_INTERRUPTMANAGER_H
phungductung 0:aa3fc5ad02f7 2 #define MBED_INTERRUPTMANAGER_H
phungductung 0:aa3fc5ad02f7 3
phungductung 0:aa3fc5ad02f7 4 #include "cmsis.h"
phungductung 0:aa3fc5ad02f7 5 #include "CallChain.h"
phungductung 0:aa3fc5ad02f7 6 #include <string.h>
phungductung 0:aa3fc5ad02f7 7
phungductung 0:aa3fc5ad02f7 8 namespace mbed {
phungductung 0:aa3fc5ad02f7 9
phungductung 0:aa3fc5ad02f7 10 /** Use this singleton if you need to chain interrupt handlers.
phungductung 0:aa3fc5ad02f7 11 *
phungductung 0:aa3fc5ad02f7 12 * Example (for LPC1768):
phungductung 0:aa3fc5ad02f7 13 * @code
phungductung 0:aa3fc5ad02f7 14 * #include "InterruptManager.h"
phungductung 0:aa3fc5ad02f7 15 * #include "mbed.h"
phungductung 0:aa3fc5ad02f7 16 *
phungductung 0:aa3fc5ad02f7 17 * Ticker flipper;
phungductung 0:aa3fc5ad02f7 18 * DigitalOut led1(LED1);
phungductung 0:aa3fc5ad02f7 19 * DigitalOut led2(LED2);
phungductung 0:aa3fc5ad02f7 20 *
phungductung 0:aa3fc5ad02f7 21 * void flip(void) {
phungductung 0:aa3fc5ad02f7 22 * led1 = !led1;
phungductung 0:aa3fc5ad02f7 23 * }
phungductung 0:aa3fc5ad02f7 24 *
phungductung 0:aa3fc5ad02f7 25 * void handler(void) {
phungductung 0:aa3fc5ad02f7 26 * led2 = !led1;
phungductung 0:aa3fc5ad02f7 27 * }
phungductung 0:aa3fc5ad02f7 28 *
phungductung 0:aa3fc5ad02f7 29 * int main() {
phungductung 0:aa3fc5ad02f7 30 * led1 = led2 = 0;
phungductung 0:aa3fc5ad02f7 31 * flipper.attach(&flip, 1.0);
phungductung 0:aa3fc5ad02f7 32 * InterruptManager::get()->add_handler(handler, TIMER3_IRQn);
phungductung 0:aa3fc5ad02f7 33 * }
phungductung 0:aa3fc5ad02f7 34 * @endcode
phungductung 0:aa3fc5ad02f7 35 */
phungductung 0:aa3fc5ad02f7 36 class InterruptManager {
phungductung 0:aa3fc5ad02f7 37 public:
phungductung 0:aa3fc5ad02f7 38 /** Return the only instance of this class
phungductung 0:aa3fc5ad02f7 39 */
phungductung 0:aa3fc5ad02f7 40 static InterruptManager* get();
phungductung 0:aa3fc5ad02f7 41
phungductung 0:aa3fc5ad02f7 42 /** Destroy the current instance of the interrupt manager
phungductung 0:aa3fc5ad02f7 43 */
phungductung 0:aa3fc5ad02f7 44 static void destroy();
phungductung 0:aa3fc5ad02f7 45
phungductung 0:aa3fc5ad02f7 46 /** Add a handler for an interrupt at the end of the handler list
phungductung 0:aa3fc5ad02f7 47 *
phungductung 0:aa3fc5ad02f7 48 * @param function the handler to add
phungductung 0:aa3fc5ad02f7 49 * @param irq interrupt number
phungductung 0:aa3fc5ad02f7 50 *
phungductung 0:aa3fc5ad02f7 51 * @returns
phungductung 0:aa3fc5ad02f7 52 * The function object created for 'function'
phungductung 0:aa3fc5ad02f7 53 */
phungductung 0:aa3fc5ad02f7 54 pFunctionPointer_t add_handler(void (*function)(void), IRQn_Type irq) {
phungductung 0:aa3fc5ad02f7 55 return add_common(function, irq);
phungductung 0:aa3fc5ad02f7 56 }
phungductung 0:aa3fc5ad02f7 57
phungductung 0:aa3fc5ad02f7 58 /** Add a handler for an interrupt at the beginning of the handler list
phungductung 0:aa3fc5ad02f7 59 *
phungductung 0:aa3fc5ad02f7 60 * @param function the handler to add
phungductung 0:aa3fc5ad02f7 61 * @param irq interrupt number
phungductung 0:aa3fc5ad02f7 62 *
phungductung 0:aa3fc5ad02f7 63 * @returns
phungductung 0:aa3fc5ad02f7 64 * The function object created for 'function'
phungductung 0:aa3fc5ad02f7 65 */
phungductung 0:aa3fc5ad02f7 66 pFunctionPointer_t add_handler_front(void (*function)(void), IRQn_Type irq) {
phungductung 0:aa3fc5ad02f7 67 return add_common(function, irq, true);
phungductung 0:aa3fc5ad02f7 68 }
phungductung 0:aa3fc5ad02f7 69
phungductung 0:aa3fc5ad02f7 70 /** Add a handler for an interrupt at the end of the handler list
phungductung 0:aa3fc5ad02f7 71 *
phungductung 0:aa3fc5ad02f7 72 * @param tptr pointer to the object that has the handler function
phungductung 0:aa3fc5ad02f7 73 * @param mptr pointer to the actual handler function
phungductung 0:aa3fc5ad02f7 74 * @param irq interrupt number
phungductung 0:aa3fc5ad02f7 75 *
phungductung 0:aa3fc5ad02f7 76 * @returns
phungductung 0:aa3fc5ad02f7 77 * The function object created for 'tptr' and 'mptr'
phungductung 0:aa3fc5ad02f7 78 */
phungductung 0:aa3fc5ad02f7 79 template<typename T>
phungductung 0:aa3fc5ad02f7 80 pFunctionPointer_t add_handler(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
phungductung 0:aa3fc5ad02f7 81 return add_common(tptr, mptr, irq);
phungductung 0:aa3fc5ad02f7 82 }
phungductung 0:aa3fc5ad02f7 83
phungductung 0:aa3fc5ad02f7 84 /** Add a handler for an interrupt at the beginning of the handler list
phungductung 0:aa3fc5ad02f7 85 *
phungductung 0:aa3fc5ad02f7 86 * @param tptr pointer to the object that has the handler function
phungductung 0:aa3fc5ad02f7 87 * @param mptr pointer to the actual handler function
phungductung 0:aa3fc5ad02f7 88 * @param irq interrupt number
phungductung 0:aa3fc5ad02f7 89 *
phungductung 0:aa3fc5ad02f7 90 * @returns
phungductung 0:aa3fc5ad02f7 91 * The function object created for 'tptr' and 'mptr'
phungductung 0:aa3fc5ad02f7 92 */
phungductung 0:aa3fc5ad02f7 93 template<typename T>
phungductung 0:aa3fc5ad02f7 94 pFunctionPointer_t add_handler_front(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
phungductung 0:aa3fc5ad02f7 95 return add_common(tptr, mptr, irq, true);
phungductung 0:aa3fc5ad02f7 96 }
phungductung 0:aa3fc5ad02f7 97
phungductung 0:aa3fc5ad02f7 98 /** Remove a handler from an interrupt
phungductung 0:aa3fc5ad02f7 99 *
phungductung 0:aa3fc5ad02f7 100 * @param handler the function object for the handler to remove
phungductung 0:aa3fc5ad02f7 101 * @param irq the interrupt number
phungductung 0:aa3fc5ad02f7 102 *
phungductung 0:aa3fc5ad02f7 103 * @returns
phungductung 0:aa3fc5ad02f7 104 * true if the handler was found and removed, false otherwise
phungductung 0:aa3fc5ad02f7 105 */
phungductung 0:aa3fc5ad02f7 106 bool remove_handler(pFunctionPointer_t handler, IRQn_Type irq);
phungductung 0:aa3fc5ad02f7 107
phungductung 0:aa3fc5ad02f7 108 private:
phungductung 0:aa3fc5ad02f7 109 InterruptManager();
phungductung 0:aa3fc5ad02f7 110 ~InterruptManager();
phungductung 0:aa3fc5ad02f7 111
phungductung 0:aa3fc5ad02f7 112 // We declare the copy contructor and the assignment operator, but we don't
phungductung 0:aa3fc5ad02f7 113 // implement them. This way, if someone tries to copy/assign our instance,
phungductung 0:aa3fc5ad02f7 114 // he will get an error at compile time.
phungductung 0:aa3fc5ad02f7 115 InterruptManager(const InterruptManager&);
phungductung 0:aa3fc5ad02f7 116 InterruptManager& operator =(const InterruptManager&);
phungductung 0:aa3fc5ad02f7 117
phungductung 0:aa3fc5ad02f7 118 template<typename T>
phungductung 0:aa3fc5ad02f7 119 pFunctionPointer_t add_common(T *tptr, void (T::*mptr)(void), IRQn_Type irq, bool front=false) {
phungductung 0:aa3fc5ad02f7 120 int irq_pos = get_irq_index(irq);
phungductung 0:aa3fc5ad02f7 121 bool change = must_replace_vector(irq);
phungductung 0:aa3fc5ad02f7 122
phungductung 0:aa3fc5ad02f7 123 pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(tptr, mptr) : _chains[irq_pos]->add(tptr, mptr);
phungductung 0:aa3fc5ad02f7 124 if (change)
phungductung 0:aa3fc5ad02f7 125 NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper);
phungductung 0:aa3fc5ad02f7 126 return pf;
phungductung 0:aa3fc5ad02f7 127 }
phungductung 0:aa3fc5ad02f7 128
phungductung 0:aa3fc5ad02f7 129 pFunctionPointer_t add_common(void (*function)(void), IRQn_Type irq, bool front=false);
phungductung 0:aa3fc5ad02f7 130 bool must_replace_vector(IRQn_Type irq);
phungductung 0:aa3fc5ad02f7 131 int get_irq_index(IRQn_Type irq);
phungductung 0:aa3fc5ad02f7 132 void irq_helper();
phungductung 0:aa3fc5ad02f7 133 void add_helper(void (*function)(void), IRQn_Type irq, bool front=false);
phungductung 0:aa3fc5ad02f7 134 static void static_irq_helper();
phungductung 0:aa3fc5ad02f7 135
phungductung 0:aa3fc5ad02f7 136 CallChain* _chains[NVIC_NUM_VECTORS];
phungductung 0:aa3fc5ad02f7 137 static InterruptManager* _instance;
phungductung 0:aa3fc5ad02f7 138 };
phungductung 0:aa3fc5ad02f7 139
phungductung 0:aa3fc5ad02f7 140 } // namespace mbed
phungductung 0:aa3fc5ad02f7 141
phungductung 0:aa3fc5ad02f7 142 #endif
phungductung 0:aa3fc5ad02f7 143