不韋 呂 / F746_SD_Player_Demo

Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例．このプログラムについては，CQ出版社インターフェース誌 2018年7月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton

mbed_src_STM32F7/api/InterruptManager.h@19:3c3833ec00d2, 2017-04-09 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Apr 09 12:44:17 2017 +0000
Revision:
19:3c3833ec00d2
Parent:
2:cf42e62a97dc 
20

Who changed what in which revision?

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MikamiUitOpen 2:cf42e62a97dc 1 #ifndef MBED_INTERRUPTMANAGER_H
MikamiUitOpen 2:cf42e62a97dc 2 #define MBED_INTERRUPTMANAGER_H
MikamiUitOpen 2:cf42e62a97dc 3
MikamiUitOpen 2:cf42e62a97dc 4 #include "cmsis.h"
MikamiUitOpen 2:cf42e62a97dc 5 #include "CallChain.h"
MikamiUitOpen 2:cf42e62a97dc 6 #include <string.h>
MikamiUitOpen 2:cf42e62a97dc 7
MikamiUitOpen 2:cf42e62a97dc 8 namespace mbed {
MikamiUitOpen 2:cf42e62a97dc 9
MikamiUitOpen 2:cf42e62a97dc 10 /** Use this singleton if you need to chain interrupt handlers.
MikamiUitOpen 2:cf42e62a97dc 11 *
MikamiUitOpen 2:cf42e62a97dc 12 * Example (for LPC1768):
MikamiUitOpen 2:cf42e62a97dc 13 * @code
MikamiUitOpen 2:cf42e62a97dc 14 * #include "InterruptManager.h"
MikamiUitOpen 2:cf42e62a97dc 15 * #include "mbed.h"
MikamiUitOpen 2:cf42e62a97dc 16 *
MikamiUitOpen 2:cf42e62a97dc 17 * Ticker flipper;
MikamiUitOpen 2:cf42e62a97dc 18 * DigitalOut led1(LED1);
MikamiUitOpen 2:cf42e62a97dc 19 * DigitalOut led2(LED2);
MikamiUitOpen 2:cf42e62a97dc 20 *
MikamiUitOpen 2:cf42e62a97dc 21 * void flip(void) {
MikamiUitOpen 2:cf42e62a97dc 22 * led1 = !led1;
MikamiUitOpen 2:cf42e62a97dc 23 * }
MikamiUitOpen 2:cf42e62a97dc 24 *
MikamiUitOpen 2:cf42e62a97dc 25 * void handler(void) {
MikamiUitOpen 2:cf42e62a97dc 26 * led2 = !led1;
MikamiUitOpen 2:cf42e62a97dc 27 * }
MikamiUitOpen 2:cf42e62a97dc 28 *
MikamiUitOpen 2:cf42e62a97dc 29 * int main() {
MikamiUitOpen 2:cf42e62a97dc 30 * led1 = led2 = 0;
MikamiUitOpen 2:cf42e62a97dc 31 * flipper.attach(&flip, 1.0);
MikamiUitOpen 2:cf42e62a97dc 32 * InterruptManager::get()->add_handler(handler, TIMER3_IRQn);
MikamiUitOpen 2:cf42e62a97dc 33 * }
MikamiUitOpen 2:cf42e62a97dc 34 * @endcode
MikamiUitOpen 2:cf42e62a97dc 35 */
MikamiUitOpen 2:cf42e62a97dc 36 class InterruptManager {
MikamiUitOpen 2:cf42e62a97dc 37 public:
MikamiUitOpen 2:cf42e62a97dc 38 /** Return the only instance of this class
MikamiUitOpen 2:cf42e62a97dc 39 */
MikamiUitOpen 2:cf42e62a97dc 40 static InterruptManager* get();
MikamiUitOpen 2:cf42e62a97dc 41
MikamiUitOpen 2:cf42e62a97dc 42 /** Destroy the current instance of the interrupt manager
MikamiUitOpen 2:cf42e62a97dc 43 */
MikamiUitOpen 2:cf42e62a97dc 44 static void destroy();
MikamiUitOpen 2:cf42e62a97dc 45
MikamiUitOpen 2:cf42e62a97dc 46 /** Add a handler for an interrupt at the end of the handler list
MikamiUitOpen 2:cf42e62a97dc 47 *
MikamiUitOpen 2:cf42e62a97dc 48 * @param function the handler to add
MikamiUitOpen 2:cf42e62a97dc 49 * @param irq interrupt number
MikamiUitOpen 2:cf42e62a97dc 50 *
MikamiUitOpen 2:cf42e62a97dc 51 * @returns
MikamiUitOpen 2:cf42e62a97dc 52 * The function object created for 'function'
MikamiUitOpen 2:cf42e62a97dc 53 */
MikamiUitOpen 2:cf42e62a97dc 54 pFunctionPointer_t add_handler(void (*function)(void), IRQn_Type irq) {
MikamiUitOpen 2:cf42e62a97dc 55 return add_common(function, irq);
MikamiUitOpen 2:cf42e62a97dc 56 }
MikamiUitOpen 2:cf42e62a97dc 57
MikamiUitOpen 2:cf42e62a97dc 58 /** Add a handler for an interrupt at the beginning of the handler list
MikamiUitOpen 2:cf42e62a97dc 59 *
MikamiUitOpen 2:cf42e62a97dc 60 * @param function the handler to add
MikamiUitOpen 2:cf42e62a97dc 61 * @param irq interrupt number
MikamiUitOpen 2:cf42e62a97dc 62 *
MikamiUitOpen 2:cf42e62a97dc 63 * @returns
MikamiUitOpen 2:cf42e62a97dc 64 * The function object created for 'function'
MikamiUitOpen 2:cf42e62a97dc 65 */
MikamiUitOpen 2:cf42e62a97dc 66 pFunctionPointer_t add_handler_front(void (*function)(void), IRQn_Type irq) {
MikamiUitOpen 2:cf42e62a97dc 67 return add_common(function, irq, true);
MikamiUitOpen 2:cf42e62a97dc 68 }
MikamiUitOpen 2:cf42e62a97dc 69
MikamiUitOpen 2:cf42e62a97dc 70 /** Add a handler for an interrupt at the end of the handler list
MikamiUitOpen 2:cf42e62a97dc 71 *
MikamiUitOpen 2:cf42e62a97dc 72 * @param tptr pointer to the object that has the handler function
MikamiUitOpen 2:cf42e62a97dc 73 * @param mptr pointer to the actual handler function
MikamiUitOpen 2:cf42e62a97dc 74 * @param irq interrupt number
MikamiUitOpen 2:cf42e62a97dc 75 *
MikamiUitOpen 2:cf42e62a97dc 76 * @returns
MikamiUitOpen 2:cf42e62a97dc 77 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 2:cf42e62a97dc 78 */
MikamiUitOpen 2:cf42e62a97dc 79 template<typename T>
MikamiUitOpen 2:cf42e62a97dc 80 pFunctionPointer_t add_handler(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
MikamiUitOpen 2:cf42e62a97dc 81 return add_common(tptr, mptr, irq);
MikamiUitOpen 2:cf42e62a97dc 82 }
MikamiUitOpen 2:cf42e62a97dc 83
MikamiUitOpen 2:cf42e62a97dc 84 /** Add a handler for an interrupt at the beginning of the handler list
MikamiUitOpen 2:cf42e62a97dc 85 *
MikamiUitOpen 2:cf42e62a97dc 86 * @param tptr pointer to the object that has the handler function
MikamiUitOpen 2:cf42e62a97dc 87 * @param mptr pointer to the actual handler function
MikamiUitOpen 2:cf42e62a97dc 88 * @param irq interrupt number
MikamiUitOpen 2:cf42e62a97dc 89 *
MikamiUitOpen 2:cf42e62a97dc 90 * @returns
MikamiUitOpen 2:cf42e62a97dc 91 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 2:cf42e62a97dc 92 */
MikamiUitOpen 2:cf42e62a97dc 93 template<typename T>
MikamiUitOpen 2:cf42e62a97dc 94 pFunctionPointer_t add_handler_front(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
MikamiUitOpen 2:cf42e62a97dc 95 return add_common(tptr, mptr, irq, true);
MikamiUitOpen 2:cf42e62a97dc 96 }
MikamiUitOpen 2:cf42e62a97dc 97
MikamiUitOpen 2:cf42e62a97dc 98 /** Remove a handler from an interrupt
MikamiUitOpen 2:cf42e62a97dc 99 *
MikamiUitOpen 2:cf42e62a97dc 100 * @param handler the function object for the handler to remove
MikamiUitOpen 2:cf42e62a97dc 101 * @param irq the interrupt number
MikamiUitOpen 2:cf42e62a97dc 102 *
MikamiUitOpen 2:cf42e62a97dc 103 * @returns
MikamiUitOpen 2:cf42e62a97dc 104 * true if the handler was found and removed, false otherwise
MikamiUitOpen 2:cf42e62a97dc 105 */
MikamiUitOpen 2:cf42e62a97dc 106 bool remove_handler(pFunctionPointer_t handler, IRQn_Type irq);
MikamiUitOpen 2:cf42e62a97dc 107
MikamiUitOpen 2:cf42e62a97dc 108 private:
MikamiUitOpen 2:cf42e62a97dc 109 InterruptManager();
MikamiUitOpen 2:cf42e62a97dc 110 ~InterruptManager();
MikamiUitOpen 2:cf42e62a97dc 111
MikamiUitOpen 2:cf42e62a97dc 112 // We declare the copy contructor and the assignment operator, but we don't
MikamiUitOpen 2:cf42e62a97dc 113 // implement them. This way, if someone tries to copy/assign our instance,
MikamiUitOpen 2:cf42e62a97dc 114 // he will get an error at compile time.
MikamiUitOpen 2:cf42e62a97dc 115 InterruptManager(const InterruptManager&);
MikamiUitOpen 2:cf42e62a97dc 116 InterruptManager& operator =(const InterruptManager&);
MikamiUitOpen 2:cf42e62a97dc 117
MikamiUitOpen 2:cf42e62a97dc 118 template<typename T>
MikamiUitOpen 2:cf42e62a97dc 119 pFunctionPointer_t add_common(T *tptr, void (T::*mptr)(void), IRQn_Type irq, bool front=false) {
MikamiUitOpen 2:cf42e62a97dc 120 int irq_pos = get_irq_index(irq);
MikamiUitOpen 2:cf42e62a97dc 121 bool change = must_replace_vector(irq);
MikamiUitOpen 2:cf42e62a97dc 122
MikamiUitOpen 2:cf42e62a97dc 123 pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(tptr, mptr) : _chains[irq_pos]->add(tptr, mptr);
MikamiUitOpen 2:cf42e62a97dc 124 if (change)
MikamiUitOpen 2:cf42e62a97dc 125 NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper);
MikamiUitOpen 2:cf42e62a97dc 126 return pf;
MikamiUitOpen 2:cf42e62a97dc 127 }
MikamiUitOpen 2:cf42e62a97dc 128
MikamiUitOpen 2:cf42e62a97dc 129 pFunctionPointer_t add_common(void (*function)(void), IRQn_Type irq, bool front=false);
MikamiUitOpen 2:cf42e62a97dc 130 bool must_replace_vector(IRQn_Type irq);
MikamiUitOpen 2:cf42e62a97dc 131 int get_irq_index(IRQn_Type irq);
MikamiUitOpen 2:cf42e62a97dc 132 void irq_helper();
MikamiUitOpen 2:cf42e62a97dc 133 void add_helper(void (*function)(void), IRQn_Type irq, bool front=false);
MikamiUitOpen 2:cf42e62a97dc 134 static void static_irq_helper();
MikamiUitOpen 2:cf42e62a97dc 135
MikamiUitOpen 2:cf42e62a97dc 136 CallChain* _chains[NVIC_NUM_VECTORS];
MikamiUitOpen 2:cf42e62a97dc 137 static InterruptManager* _instance;
MikamiUitOpen 2:cf42e62a97dc 138 };
MikamiUitOpen 2:cf42e62a97dc 139
MikamiUitOpen 2:cf42e62a97dc 140 } // namespace mbed
MikamiUitOpen 2:cf42e62a97dc 141
MikamiUitOpen 2:cf42e62a97dc 142 #endif
MikamiUitOpen 2:cf42e62a97dc 143