George Roussos / BLE_Temperature

BLE temperature profile using digital DS1820 or analog LM35 sensors

Dependencies:   DS1820

mbed/InterruptManager.h@0:637031152314, 2015-03-07 (annotated)

Committer:
gkroussos
Date:
Sat Mar 07 16:23:41 2015 +0000
Revision:
0:637031152314
Working version 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gkroussos 0:637031152314 1 #ifndef MBED_INTERRUPTMANAGER_H
gkroussos 0:637031152314 2 #define MBED_INTERRUPTMANAGER_H
gkroussos 0:637031152314 3
gkroussos 0:637031152314 4 #include "cmsis.h"
gkroussos 0:637031152314 5 #include "CallChain.h"
gkroussos 0:637031152314 6 #include <string.h>
gkroussos 0:637031152314 7
gkroussos 0:637031152314 8 namespace mbed {
gkroussos 0:637031152314 9
gkroussos 0:637031152314 10 /** Use this singleton if you need to chain interrupt handlers.
gkroussos 0:637031152314 11 *
gkroussos 0:637031152314 12 * Example (for LPC1768):
gkroussos 0:637031152314 13 * @code
gkroussos 0:637031152314 14 * #include "InterruptManager.h"
gkroussos 0:637031152314 15 * #include "mbed.h"
gkroussos 0:637031152314 16 *
gkroussos 0:637031152314 17 * Ticker flipper;
gkroussos 0:637031152314 18 * DigitalOut led1(LED1);
gkroussos 0:637031152314 19 * DigitalOut led2(LED2);
gkroussos 0:637031152314 20 *
gkroussos 0:637031152314 21 * void flip(void) {
gkroussos 0:637031152314 22 * led1 = !led1;
gkroussos 0:637031152314 23 * }
gkroussos 0:637031152314 24 *
gkroussos 0:637031152314 25 * void handler(void) {
gkroussos 0:637031152314 26 * led2 = !led1;
gkroussos 0:637031152314 27 * }
gkroussos 0:637031152314 28 *
gkroussos 0:637031152314 29 * int main() {
gkroussos 0:637031152314 30 * led1 = led2 = 0;
gkroussos 0:637031152314 31 * flipper.attach(&flip, 1.0);
gkroussos 0:637031152314 32 * InterruptManager::get()->add_handler(handler, TIMER3_IRQn);
gkroussos 0:637031152314 33 * }
gkroussos 0:637031152314 34 * @endcode
gkroussos 0:637031152314 35 */
gkroussos 0:637031152314 36 class InterruptManager {
gkroussos 0:637031152314 37 public:
gkroussos 0:637031152314 38 /** Return the only instance of this class
gkroussos 0:637031152314 39 */
gkroussos 0:637031152314 40 static InterruptManager* get();
gkroussos 0:637031152314 41
gkroussos 0:637031152314 42 /** Destroy the current instance of the interrupt manager
gkroussos 0:637031152314 43 */
gkroussos 0:637031152314 44 static void destroy();
gkroussos 0:637031152314 45
gkroussos 0:637031152314 46 /** Add a handler for an interrupt at the end of the handler list
gkroussos 0:637031152314 47 *
gkroussos 0:637031152314 48 * @param function the handler to add
gkroussos 0:637031152314 49 * @param irq interrupt number
gkroussos 0:637031152314 50 *
gkroussos 0:637031152314 51 * @returns
gkroussos 0:637031152314 52 * The function object created for 'function'
gkroussos 0:637031152314 53 */
gkroussos 0:637031152314 54 pFunctionPointer_t add_handler(void (*function)(void), IRQn_Type irq) {
gkroussos 0:637031152314 55 return add_common(function, irq);
gkroussos 0:637031152314 56 }
gkroussos 0:637031152314 57
gkroussos 0:637031152314 58 /** Add a handler for an interrupt at the beginning of the handler list
gkroussos 0:637031152314 59 *
gkroussos 0:637031152314 60 * @param function the handler to add
gkroussos 0:637031152314 61 * @param irq interrupt number
gkroussos 0:637031152314 62 *
gkroussos 0:637031152314 63 * @returns
gkroussos 0:637031152314 64 * The function object created for 'function'
gkroussos 0:637031152314 65 */
gkroussos 0:637031152314 66 pFunctionPointer_t add_handler_front(void (*function)(void), IRQn_Type irq) {
gkroussos 0:637031152314 67 return add_common(function, irq, true);
gkroussos 0:637031152314 68 }
gkroussos 0:637031152314 69
gkroussos 0:637031152314 70 /** Add a handler for an interrupt at the end of the handler list
gkroussos 0:637031152314 71 *
gkroussos 0:637031152314 72 * @param tptr pointer to the object that has the handler function
gkroussos 0:637031152314 73 * @param mptr pointer to the actual handler function
gkroussos 0:637031152314 74 * @param irq interrupt number
gkroussos 0:637031152314 75 *
gkroussos 0:637031152314 76 * @returns
gkroussos 0:637031152314 77 * The function object created for 'tptr' and 'mptr'
gkroussos 0:637031152314 78 */
gkroussos 0:637031152314 79 template<typename T>
gkroussos 0:637031152314 80 pFunctionPointer_t add_handler(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
gkroussos 0:637031152314 81 return add_common(tptr, mptr, irq);
gkroussos 0:637031152314 82 }
gkroussos 0:637031152314 83
gkroussos 0:637031152314 84 /** Add a handler for an interrupt at the beginning of the handler list
gkroussos 0:637031152314 85 *
gkroussos 0:637031152314 86 * @param tptr pointer to the object that has the handler function
gkroussos 0:637031152314 87 * @param mptr pointer to the actual handler function
gkroussos 0:637031152314 88 * @param irq interrupt number
gkroussos 0:637031152314 89 *
gkroussos 0:637031152314 90 * @returns
gkroussos 0:637031152314 91 * The function object created for 'tptr' and 'mptr'
gkroussos 0:637031152314 92 */
gkroussos 0:637031152314 93 template<typename T>
gkroussos 0:637031152314 94 pFunctionPointer_t add_handler_front(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
gkroussos 0:637031152314 95 return add_common(tptr, mptr, irq, true);
gkroussos 0:637031152314 96 }
gkroussos 0:637031152314 97
gkroussos 0:637031152314 98 /** Remove a handler from an interrupt
gkroussos 0:637031152314 99 *
gkroussos 0:637031152314 100 * @param handler the function object for the handler to remove
gkroussos 0:637031152314 101 * @param irq the interrupt number
gkroussos 0:637031152314 102 *
gkroussos 0:637031152314 103 * @returns
gkroussos 0:637031152314 104 * true if the handler was found and removed, false otherwise
gkroussos 0:637031152314 105 */
gkroussos 0:637031152314 106 bool remove_handler(pFunctionPointer_t handler, IRQn_Type irq);
gkroussos 0:637031152314 107
gkroussos 0:637031152314 108 private:
gkroussos 0:637031152314 109 InterruptManager();
gkroussos 0:637031152314 110 ~InterruptManager();
gkroussos 0:637031152314 111
gkroussos 0:637031152314 112 // We declare the copy contructor and the assignment operator, but we don't
gkroussos 0:637031152314 113 // implement them. This way, if someone tries to copy/assign our instance,
gkroussos 0:637031152314 114 // he will get an error at compile time.
gkroussos 0:637031152314 115 InterruptManager(const InterruptManager&);
gkroussos 0:637031152314 116 InterruptManager& operator =(const InterruptManager&);
gkroussos 0:637031152314 117
gkroussos 0:637031152314 118 template<typename T>
gkroussos 0:637031152314 119 pFunctionPointer_t add_common(T *tptr, void (T::*mptr)(void), IRQn_Type irq, bool front=false) {
gkroussos 0:637031152314 120 int irq_pos = get_irq_index(irq);
gkroussos 0:637031152314 121 bool change = must_replace_vector(irq);
gkroussos 0:637031152314 122
gkroussos 0:637031152314 123 pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(tptr, mptr) : _chains[irq_pos]->add(tptr, mptr);
gkroussos 0:637031152314 124 if (change)
gkroussos 0:637031152314 125 NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper);
gkroussos 0:637031152314 126 return pf;
gkroussos 0:637031152314 127 }
gkroussos 0:637031152314 128
gkroussos 0:637031152314 129 pFunctionPointer_t add_common(void (*function)(void), IRQn_Type irq, bool front=false);
gkroussos 0:637031152314 130 bool must_replace_vector(IRQn_Type irq);
gkroussos 0:637031152314 131 int get_irq_index(IRQn_Type irq);
gkroussos 0:637031152314 132 void irq_helper();
gkroussos 0:637031152314 133 void add_helper(void (*function)(void), IRQn_Type irq, bool front=false);
gkroussos 0:637031152314 134 static void static_irq_helper();
gkroussos 0:637031152314 135
gkroussos 0:637031152314 136 CallChain* _chains[NVIC_NUM_VECTORS];
gkroussos 0:637031152314 137 static InterruptManager* _instance;
gkroussos 0:637031152314 138 };
gkroussos 0:637031152314 139
gkroussos 0:637031152314 140 } // namespace mbed
gkroussos 0:637031152314 141
gkroussos 0:637031152314 142 #endif
gkroussos 0:637031152314 143