Milen Pavlov / XRange_mbed_src

Mbed SDK for XRange SX1272 LoRa module

Dependents:   XRangePingPong XRange-LoRaWAN-lmic-app lora-transceiver

SX1272 LoRa RF module

https://www.netblocks.eu/xrange-sx1272-lora-datasheet/

api/InterruptManager.h@339:ac6f3fd999f3, 2016-01-07 (annotated)

Committer:
netblocks
Date:
Thu Jan 07 13:01:25 2016 +0000
Revision:
339:ac6f3fd999f3
Parent:
336:1e18a06a987b 
HSE_VALUE set for XTAL 16Mhz

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dudmuck 336:1e18a06a987b 1 #ifndef MBED_INTERRUPTMANAGER_H
dudmuck 336:1e18a06a987b 2 #define MBED_INTERRUPTMANAGER_H
dudmuck 336:1e18a06a987b 3
dudmuck 336:1e18a06a987b 4 #include "cmsis.h"
dudmuck 336:1e18a06a987b 5 #include "CallChain.h"
dudmuck 336:1e18a06a987b 6 #include <string.h>
dudmuck 336:1e18a06a987b 7
dudmuck 336:1e18a06a987b 8 namespace mbed {
dudmuck 336:1e18a06a987b 9
dudmuck 336:1e18a06a987b 10 /** Use this singleton if you need to chain interrupt handlers.
dudmuck 336:1e18a06a987b 11 *
dudmuck 336:1e18a06a987b 12 * Example (for LPC1768):
dudmuck 336:1e18a06a987b 13 * @code
dudmuck 336:1e18a06a987b 14 * #include "InterruptManager.h"
dudmuck 336:1e18a06a987b 15 * #include "mbed.h"
dudmuck 336:1e18a06a987b 16 *
dudmuck 336:1e18a06a987b 17 * Ticker flipper;
dudmuck 336:1e18a06a987b 18 * DigitalOut led1(LED1);
dudmuck 336:1e18a06a987b 19 * DigitalOut led2(LED2);
dudmuck 336:1e18a06a987b 20 *
dudmuck 336:1e18a06a987b 21 * void flip(void) {
dudmuck 336:1e18a06a987b 22 * led1 = !led1;
dudmuck 336:1e18a06a987b 23 * }
dudmuck 336:1e18a06a987b 24 *
dudmuck 336:1e18a06a987b 25 * void handler(void) {
dudmuck 336:1e18a06a987b 26 * led2 = !led1;
dudmuck 336:1e18a06a987b 27 * }
dudmuck 336:1e18a06a987b 28 *
dudmuck 336:1e18a06a987b 29 * int main() {
dudmuck 336:1e18a06a987b 30 * led1 = led2 = 0;
dudmuck 336:1e18a06a987b 31 * flipper.attach(&flip, 1.0);
dudmuck 336:1e18a06a987b 32 * InterruptManager::get()->add_handler(handler, TIMER3_IRQn);
dudmuck 336:1e18a06a987b 33 * }
dudmuck 336:1e18a06a987b 34 * @endcode
dudmuck 336:1e18a06a987b 35 */
dudmuck 336:1e18a06a987b 36 class InterruptManager {
dudmuck 336:1e18a06a987b 37 public:
dudmuck 336:1e18a06a987b 38 /** Return the only instance of this class
dudmuck 336:1e18a06a987b 39 */
dudmuck 336:1e18a06a987b 40 static InterruptManager* get();
dudmuck 336:1e18a06a987b 41
dudmuck 336:1e18a06a987b 42 /** Destroy the current instance of the interrupt manager
dudmuck 336:1e18a06a987b 43 */
dudmuck 336:1e18a06a987b 44 static void destroy();
dudmuck 336:1e18a06a987b 45
dudmuck 336:1e18a06a987b 46 /** Add a handler for an interrupt at the end of the handler list
dudmuck 336:1e18a06a987b 47 *
dudmuck 336:1e18a06a987b 48 * @param function the handler to add
dudmuck 336:1e18a06a987b 49 * @param irq interrupt number
dudmuck 336:1e18a06a987b 50 *
dudmuck 336:1e18a06a987b 51 * @returns
dudmuck 336:1e18a06a987b 52 * The function object created for 'function'
dudmuck 336:1e18a06a987b 53 */
dudmuck 336:1e18a06a987b 54 pFunctionPointer_t add_handler(void (*function)(void), IRQn_Type irq) {
dudmuck 336:1e18a06a987b 55 return add_common(function, irq);
dudmuck 336:1e18a06a987b 56 }
dudmuck 336:1e18a06a987b 57
dudmuck 336:1e18a06a987b 58 /** Add a handler for an interrupt at the beginning of the handler list
dudmuck 336:1e18a06a987b 59 *
dudmuck 336:1e18a06a987b 60 * @param function the handler to add
dudmuck 336:1e18a06a987b 61 * @param irq interrupt number
dudmuck 336:1e18a06a987b 62 *
dudmuck 336:1e18a06a987b 63 * @returns
dudmuck 336:1e18a06a987b 64 * The function object created for 'function'
dudmuck 336:1e18a06a987b 65 */
dudmuck 336:1e18a06a987b 66 pFunctionPointer_t add_handler_front(void (*function)(void), IRQn_Type irq) {
dudmuck 336:1e18a06a987b 67 return add_common(function, irq, true);
dudmuck 336:1e18a06a987b 68 }
dudmuck 336:1e18a06a987b 69
dudmuck 336:1e18a06a987b 70 /** Add a handler for an interrupt at the end of the handler list
dudmuck 336:1e18a06a987b 71 *
dudmuck 336:1e18a06a987b 72 * @param tptr pointer to the object that has the handler function
dudmuck 336:1e18a06a987b 73 * @param mptr pointer to the actual handler function
dudmuck 336:1e18a06a987b 74 * @param irq interrupt number
dudmuck 336:1e18a06a987b 75 *
dudmuck 336:1e18a06a987b 76 * @returns
dudmuck 336:1e18a06a987b 77 * The function object created for 'tptr' and 'mptr'
dudmuck 336:1e18a06a987b 78 */
dudmuck 336:1e18a06a987b 79 template<typename T>
dudmuck 336:1e18a06a987b 80 pFunctionPointer_t add_handler(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
dudmuck 336:1e18a06a987b 81 return add_common(tptr, mptr, irq);
dudmuck 336:1e18a06a987b 82 }
dudmuck 336:1e18a06a987b 83
dudmuck 336:1e18a06a987b 84 /** Add a handler for an interrupt at the beginning of the handler list
dudmuck 336:1e18a06a987b 85 *
dudmuck 336:1e18a06a987b 86 * @param tptr pointer to the object that has the handler function
dudmuck 336:1e18a06a987b 87 * @param mptr pointer to the actual handler function
dudmuck 336:1e18a06a987b 88 * @param irq interrupt number
dudmuck 336:1e18a06a987b 89 *
dudmuck 336:1e18a06a987b 90 * @returns
dudmuck 336:1e18a06a987b 91 * The function object created for 'tptr' and 'mptr'
dudmuck 336:1e18a06a987b 92 */
dudmuck 336:1e18a06a987b 93 template<typename T>
dudmuck 336:1e18a06a987b 94 pFunctionPointer_t add_handler_front(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
dudmuck 336:1e18a06a987b 95 return add_common(tptr, mptr, irq, true);
dudmuck 336:1e18a06a987b 96 }
dudmuck 336:1e18a06a987b 97
dudmuck 336:1e18a06a987b 98 /** Remove a handler from an interrupt
dudmuck 336:1e18a06a987b 99 *
dudmuck 336:1e18a06a987b 100 * @param handler the function object for the handler to remove
dudmuck 336:1e18a06a987b 101 * @param irq the interrupt number
dudmuck 336:1e18a06a987b 102 *
dudmuck 336:1e18a06a987b 103 * @returns
dudmuck 336:1e18a06a987b 104 * true if the handler was found and removed, false otherwise
dudmuck 336:1e18a06a987b 105 */
dudmuck 336:1e18a06a987b 106 bool remove_handler(pFunctionPointer_t handler, IRQn_Type irq);
dudmuck 336:1e18a06a987b 107
dudmuck 336:1e18a06a987b 108 private:
dudmuck 336:1e18a06a987b 109 InterruptManager();
dudmuck 336:1e18a06a987b 110 ~InterruptManager();
dudmuck 336:1e18a06a987b 111
dudmuck 336:1e18a06a987b 112 // We declare the copy contructor and the assignment operator, but we don't
dudmuck 336:1e18a06a987b 113 // implement them. This way, if someone tries to copy/assign our instance,
dudmuck 336:1e18a06a987b 114 // he will get an error at compile time.
dudmuck 336:1e18a06a987b 115 InterruptManager(const InterruptManager&);
dudmuck 336:1e18a06a987b 116 InterruptManager& operator =(const InterruptManager&);
dudmuck 336:1e18a06a987b 117
dudmuck 336:1e18a06a987b 118 template<typename T>
dudmuck 336:1e18a06a987b 119 pFunctionPointer_t add_common(T *tptr, void (T::*mptr)(void), IRQn_Type irq, bool front=false) {
dudmuck 336:1e18a06a987b 120 int irq_pos = get_irq_index(irq);
dudmuck 336:1e18a06a987b 121 bool change = must_replace_vector(irq);
dudmuck 336:1e18a06a987b 122
dudmuck 336:1e18a06a987b 123 pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(tptr, mptr) : _chains[irq_pos]->add(tptr, mptr);
dudmuck 336:1e18a06a987b 124 if (change)
dudmuck 336:1e18a06a987b 125 NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper);
dudmuck 336:1e18a06a987b 126 return pf;
dudmuck 336:1e18a06a987b 127 }
dudmuck 336:1e18a06a987b 128
dudmuck 336:1e18a06a987b 129 pFunctionPointer_t add_common(void (*function)(void), IRQn_Type irq, bool front=false);
dudmuck 336:1e18a06a987b 130 bool must_replace_vector(IRQn_Type irq);
dudmuck 336:1e18a06a987b 131 int get_irq_index(IRQn_Type irq);
dudmuck 336:1e18a06a987b 132 void irq_helper();
dudmuck 336:1e18a06a987b 133 void add_helper(void (*function)(void), IRQn_Type irq, bool front=false);
dudmuck 336:1e18a06a987b 134 static void static_irq_helper();
dudmuck 336:1e18a06a987b 135
dudmuck 336:1e18a06a987b 136 CallChain* _chains[NVIC_NUM_VECTORS];
dudmuck 336:1e18a06a987b 137 static InterruptManager* _instance;
dudmuck 336:1e18a06a987b 138 };
dudmuck 336:1e18a06a987b 139
dudmuck 336:1e18a06a987b 140 } // namespace mbed
dudmuck 336:1e18a06a987b 141
dudmuck 336:1e18a06a987b 142 #endif
dudmuck 336:1e18a06a987b 143