Gonzalo Matarrubia / Mbed LPC1549 mod

This repo contains the libraries of Mbed for LPC1549 with following changes: - IAP commands. - EEPROM write and read. - UART write and read (public) - CAN can_s -> LPC_C_CAN0_Type *can

mbed/InterruptManager.h@0:820a69dfd200, 2015-04-14 (annotated)

Committer:
gmatarrubia
Date:
Tue Apr 14 15:00:13 2015 +0200
Revision:
0:820a69dfd200
Initial repo. IAP commands, EEPROM write/read, UART write/read, CAN

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gmatarrubia 0:820a69dfd200 1 #ifndef MBED_INTERRUPTMANAGER_H
gmatarrubia 0:820a69dfd200 2 #define MBED_INTERRUPTMANAGER_H
gmatarrubia 0:820a69dfd200 3
gmatarrubia 0:820a69dfd200 4 #include "cmsis.h"
gmatarrubia 0:820a69dfd200 5 #include "CallChain.h"
gmatarrubia 0:820a69dfd200 6 #include <string.h>
gmatarrubia 0:820a69dfd200 7
gmatarrubia 0:820a69dfd200 8 namespace mbed {
gmatarrubia 0:820a69dfd200 9
gmatarrubia 0:820a69dfd200 10 /** Use this singleton if you need to chain interrupt handlers.
gmatarrubia 0:820a69dfd200 11 *
gmatarrubia 0:820a69dfd200 12 * Example (for LPC1768):
gmatarrubia 0:820a69dfd200 13 * @code
gmatarrubia 0:820a69dfd200 14 * #include "InterruptManager.h"
gmatarrubia 0:820a69dfd200 15 * #include "mbed.h"
gmatarrubia 0:820a69dfd200 16 *
gmatarrubia 0:820a69dfd200 17 * Ticker flipper;
gmatarrubia 0:820a69dfd200 18 * DigitalOut led1(LED1);
gmatarrubia 0:820a69dfd200 19 * DigitalOut led2(LED2);
gmatarrubia 0:820a69dfd200 20 *
gmatarrubia 0:820a69dfd200 21 * void flip(void) {
gmatarrubia 0:820a69dfd200 22 * led1 = !led1;
gmatarrubia 0:820a69dfd200 23 * }
gmatarrubia 0:820a69dfd200 24 *
gmatarrubia 0:820a69dfd200 25 * void handler(void) {
gmatarrubia 0:820a69dfd200 26 * led2 = !led1;
gmatarrubia 0:820a69dfd200 27 * }
gmatarrubia 0:820a69dfd200 28 *
gmatarrubia 0:820a69dfd200 29 * int main() {
gmatarrubia 0:820a69dfd200 30 * led1 = led2 = 0;
gmatarrubia 0:820a69dfd200 31 * flipper.attach(&flip, 1.0);
gmatarrubia 0:820a69dfd200 32 * InterruptManager::get()->add_handler(handler, TIMER3_IRQn);
gmatarrubia 0:820a69dfd200 33 * }
gmatarrubia 0:820a69dfd200 34 * @endcode
gmatarrubia 0:820a69dfd200 35 */
gmatarrubia 0:820a69dfd200 36 class InterruptManager {
gmatarrubia 0:820a69dfd200 37 public:
gmatarrubia 0:820a69dfd200 38 /** Return the only instance of this class
gmatarrubia 0:820a69dfd200 39 */
gmatarrubia 0:820a69dfd200 40 static InterruptManager* get();
gmatarrubia 0:820a69dfd200 41
gmatarrubia 0:820a69dfd200 42 /** Destroy the current instance of the interrupt manager
gmatarrubia 0:820a69dfd200 43 */
gmatarrubia 0:820a69dfd200 44 static void destroy();
gmatarrubia 0:820a69dfd200 45
gmatarrubia 0:820a69dfd200 46 /** Add a handler for an interrupt at the end of the handler list
gmatarrubia 0:820a69dfd200 47 *
gmatarrubia 0:820a69dfd200 48 * @param function the handler to add
gmatarrubia 0:820a69dfd200 49 * @param irq interrupt number
gmatarrubia 0:820a69dfd200 50 *
gmatarrubia 0:820a69dfd200 51 * @returns
gmatarrubia 0:820a69dfd200 52 * The function object created for 'function'
gmatarrubia 0:820a69dfd200 53 */
gmatarrubia 0:820a69dfd200 54 pFunctionPointer_t add_handler(void (*function)(void), IRQn_Type irq) {
gmatarrubia 0:820a69dfd200 55 return add_common(function, irq);
gmatarrubia 0:820a69dfd200 56 }
gmatarrubia 0:820a69dfd200 57
gmatarrubia 0:820a69dfd200 58 /** Add a handler for an interrupt at the beginning of the handler list
gmatarrubia 0:820a69dfd200 59 *
gmatarrubia 0:820a69dfd200 60 * @param function the handler to add
gmatarrubia 0:820a69dfd200 61 * @param irq interrupt number
gmatarrubia 0:820a69dfd200 62 *
gmatarrubia 0:820a69dfd200 63 * @returns
gmatarrubia 0:820a69dfd200 64 * The function object created for 'function'
gmatarrubia 0:820a69dfd200 65 */
gmatarrubia 0:820a69dfd200 66 pFunctionPointer_t add_handler_front(void (*function)(void), IRQn_Type irq) {
gmatarrubia 0:820a69dfd200 67 return add_common(function, irq, true);
gmatarrubia 0:820a69dfd200 68 }
gmatarrubia 0:820a69dfd200 69
gmatarrubia 0:820a69dfd200 70 /** Add a handler for an interrupt at the end of the handler list
gmatarrubia 0:820a69dfd200 71 *
gmatarrubia 0:820a69dfd200 72 * @param tptr pointer to the object that has the handler function
gmatarrubia 0:820a69dfd200 73 * @param mptr pointer to the actual handler function
gmatarrubia 0:820a69dfd200 74 * @param irq interrupt number
gmatarrubia 0:820a69dfd200 75 *
gmatarrubia 0:820a69dfd200 76 * @returns
gmatarrubia 0:820a69dfd200 77 * The function object created for 'tptr' and 'mptr'
gmatarrubia 0:820a69dfd200 78 */
gmatarrubia 0:820a69dfd200 79 template<typename T>
gmatarrubia 0:820a69dfd200 80 pFunctionPointer_t add_handler(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
gmatarrubia 0:820a69dfd200 81 return add_common(tptr, mptr, irq);
gmatarrubia 0:820a69dfd200 82 }
gmatarrubia 0:820a69dfd200 83
gmatarrubia 0:820a69dfd200 84 /** Add a handler for an interrupt at the beginning of the handler list
gmatarrubia 0:820a69dfd200 85 *
gmatarrubia 0:820a69dfd200 86 * @param tptr pointer to the object that has the handler function
gmatarrubia 0:820a69dfd200 87 * @param mptr pointer to the actual handler function
gmatarrubia 0:820a69dfd200 88 * @param irq interrupt number
gmatarrubia 0:820a69dfd200 89 *
gmatarrubia 0:820a69dfd200 90 * @returns
gmatarrubia 0:820a69dfd200 91 * The function object created for 'tptr' and 'mptr'
gmatarrubia 0:820a69dfd200 92 */
gmatarrubia 0:820a69dfd200 93 template<typename T>
gmatarrubia 0:820a69dfd200 94 pFunctionPointer_t add_handler_front(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
gmatarrubia 0:820a69dfd200 95 return add_common(tptr, mptr, irq, true);
gmatarrubia 0:820a69dfd200 96 }
gmatarrubia 0:820a69dfd200 97
gmatarrubia 0:820a69dfd200 98 /** Remove a handler from an interrupt
gmatarrubia 0:820a69dfd200 99 *
gmatarrubia 0:820a69dfd200 100 * @param handler the function object for the handler to remove
gmatarrubia 0:820a69dfd200 101 * @param irq the interrupt number
gmatarrubia 0:820a69dfd200 102 *
gmatarrubia 0:820a69dfd200 103 * @returns
gmatarrubia 0:820a69dfd200 104 * true if the handler was found and removed, false otherwise
gmatarrubia 0:820a69dfd200 105 */
gmatarrubia 0:820a69dfd200 106 bool remove_handler(pFunctionPointer_t handler, IRQn_Type irq);
gmatarrubia 0:820a69dfd200 107
gmatarrubia 0:820a69dfd200 108 private:
gmatarrubia 0:820a69dfd200 109 InterruptManager();
gmatarrubia 0:820a69dfd200 110 ~InterruptManager();
gmatarrubia 0:820a69dfd200 111
gmatarrubia 0:820a69dfd200 112 // We declare the copy contructor and the assignment operator, but we don't
gmatarrubia 0:820a69dfd200 113 // implement them. This way, if someone tries to copy/assign our instance,
gmatarrubia 0:820a69dfd200 114 // he will get an error at compile time.
gmatarrubia 0:820a69dfd200 115 InterruptManager(const InterruptManager&);
gmatarrubia 0:820a69dfd200 116 InterruptManager& operator =(const InterruptManager&);
gmatarrubia 0:820a69dfd200 117
gmatarrubia 0:820a69dfd200 118 template<typename T>
gmatarrubia 0:820a69dfd200 119 pFunctionPointer_t add_common(T *tptr, void (T::*mptr)(void), IRQn_Type irq, bool front=false) {
gmatarrubia 0:820a69dfd200 120 int irq_pos = get_irq_index(irq);
gmatarrubia 0:820a69dfd200 121 bool change = must_replace_vector(irq);
gmatarrubia 0:820a69dfd200 122
gmatarrubia 0:820a69dfd200 123 pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(tptr, mptr) : _chains[irq_pos]->add(tptr, mptr);
gmatarrubia 0:820a69dfd200 124 if (change)
gmatarrubia 0:820a69dfd200 125 NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper);
gmatarrubia 0:820a69dfd200 126 return pf;
gmatarrubia 0:820a69dfd200 127 }
gmatarrubia 0:820a69dfd200 128
gmatarrubia 0:820a69dfd200 129 pFunctionPointer_t add_common(void (*function)(void), IRQn_Type irq, bool front=false);
gmatarrubia 0:820a69dfd200 130 bool must_replace_vector(IRQn_Type irq);
gmatarrubia 0:820a69dfd200 131 int get_irq_index(IRQn_Type irq);
gmatarrubia 0:820a69dfd200 132 void irq_helper();
gmatarrubia 0:820a69dfd200 133 void add_helper(void (*function)(void), IRQn_Type irq, bool front=false);
gmatarrubia 0:820a69dfd200 134 static void static_irq_helper();
gmatarrubia 0:820a69dfd200 135
gmatarrubia 0:820a69dfd200 136 CallChain* _chains[NVIC_NUM_VECTORS];
gmatarrubia 0:820a69dfd200 137 static InterruptManager* _instance;
gmatarrubia 0:820a69dfd200 138 };
gmatarrubia 0:820a69dfd200 139
gmatarrubia 0:820a69dfd200 140 } // namespace mbed
gmatarrubia 0:820a69dfd200 141
gmatarrubia 0:820a69dfd200 142 #endif
gmatarrubia 0:820a69dfd200 143