不韋 呂 / F746_SD_VarableFilter

SD card player with variable cotoff frequency lowpass and highpass IIR filter. SD カードの *.wav ファイルのオーディオ信号を，遮断周波数可変 IIR 低域通過および高域通過フィルタを通して，ボードに搭載されているCODEC で出力する．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8月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO FrequencyResponseDrawer SD_PlayerSkeleton

mbed_src_STM32F7/api/InterruptManager.h@11:399670d24ed9, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 01:44:22 2017 +0000
Revision:
11:399670d24ed9
Parent:
2:dcaee06f6ccb 
12

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:dcaee06f6ccb 1 #ifndef MBED_INTERRUPTMANAGER_H
MikamiUitOpen 2:dcaee06f6ccb 2 #define MBED_INTERRUPTMANAGER_H
MikamiUitOpen 2:dcaee06f6ccb 3
MikamiUitOpen 2:dcaee06f6ccb 4 #include "cmsis.h"
MikamiUitOpen 2:dcaee06f6ccb 5 #include "CallChain.h"
MikamiUitOpen 2:dcaee06f6ccb 6 #include <string.h>
MikamiUitOpen 2:dcaee06f6ccb 7
MikamiUitOpen 2:dcaee06f6ccb 8 namespace mbed {
MikamiUitOpen 2:dcaee06f6ccb 9
MikamiUitOpen 2:dcaee06f6ccb 10 /** Use this singleton if you need to chain interrupt handlers.
MikamiUitOpen 2:dcaee06f6ccb 11 *
MikamiUitOpen 2:dcaee06f6ccb 12 * Example (for LPC1768):
MikamiUitOpen 2:dcaee06f6ccb 13 * @code
MikamiUitOpen 2:dcaee06f6ccb 14 * #include "InterruptManager.h"
MikamiUitOpen 2:dcaee06f6ccb 15 * #include "mbed.h"
MikamiUitOpen 2:dcaee06f6ccb 16 *
MikamiUitOpen 2:dcaee06f6ccb 17 * Ticker flipper;
MikamiUitOpen 2:dcaee06f6ccb 18 * DigitalOut led1(LED1);
MikamiUitOpen 2:dcaee06f6ccb 19 * DigitalOut led2(LED2);
MikamiUitOpen 2:dcaee06f6ccb 20 *
MikamiUitOpen 2:dcaee06f6ccb 21 * void flip(void) {
MikamiUitOpen 2:dcaee06f6ccb 22 * led1 = !led1;
MikamiUitOpen 2:dcaee06f6ccb 23 * }
MikamiUitOpen 2:dcaee06f6ccb 24 *
MikamiUitOpen 2:dcaee06f6ccb 25 * void handler(void) {
MikamiUitOpen 2:dcaee06f6ccb 26 * led2 = !led1;
MikamiUitOpen 2:dcaee06f6ccb 27 * }
MikamiUitOpen 2:dcaee06f6ccb 28 *
MikamiUitOpen 2:dcaee06f6ccb 29 * int main() {
MikamiUitOpen 2:dcaee06f6ccb 30 * led1 = led2 = 0;
MikamiUitOpen 2:dcaee06f6ccb 31 * flipper.attach(&flip, 1.0);
MikamiUitOpen 2:dcaee06f6ccb 32 * InterruptManager::get()->add_handler(handler, TIMER3_IRQn);
MikamiUitOpen 2:dcaee06f6ccb 33 * }
MikamiUitOpen 2:dcaee06f6ccb 34 * @endcode
MikamiUitOpen 2:dcaee06f6ccb 35 */
MikamiUitOpen 2:dcaee06f6ccb 36 class InterruptManager {
MikamiUitOpen 2:dcaee06f6ccb 37 public:
MikamiUitOpen 2:dcaee06f6ccb 38 /** Return the only instance of this class
MikamiUitOpen 2:dcaee06f6ccb 39 */
MikamiUitOpen 2:dcaee06f6ccb 40 static InterruptManager* get();
MikamiUitOpen 2:dcaee06f6ccb 41
MikamiUitOpen 2:dcaee06f6ccb 42 /** Destroy the current instance of the interrupt manager
MikamiUitOpen 2:dcaee06f6ccb 43 */
MikamiUitOpen 2:dcaee06f6ccb 44 static void destroy();
MikamiUitOpen 2:dcaee06f6ccb 45
MikamiUitOpen 2:dcaee06f6ccb 46 /** Add a handler for an interrupt at the end of the handler list
MikamiUitOpen 2:dcaee06f6ccb 47 *
MikamiUitOpen 2:dcaee06f6ccb 48 * @param function the handler to add
MikamiUitOpen 2:dcaee06f6ccb 49 * @param irq interrupt number
MikamiUitOpen 2:dcaee06f6ccb 50 *
MikamiUitOpen 2:dcaee06f6ccb 51 * @returns
MikamiUitOpen 2:dcaee06f6ccb 52 * The function object created for 'function'
MikamiUitOpen 2:dcaee06f6ccb 53 */
MikamiUitOpen 2:dcaee06f6ccb 54 pFunctionPointer_t add_handler(void (*function)(void), IRQn_Type irq) {
MikamiUitOpen 2:dcaee06f6ccb 55 return add_common(function, irq);
MikamiUitOpen 2:dcaee06f6ccb 56 }
MikamiUitOpen 2:dcaee06f6ccb 57
MikamiUitOpen 2:dcaee06f6ccb 58 /** Add a handler for an interrupt at the beginning of the handler list
MikamiUitOpen 2:dcaee06f6ccb 59 *
MikamiUitOpen 2:dcaee06f6ccb 60 * @param function the handler to add
MikamiUitOpen 2:dcaee06f6ccb 61 * @param irq interrupt number
MikamiUitOpen 2:dcaee06f6ccb 62 *
MikamiUitOpen 2:dcaee06f6ccb 63 * @returns
MikamiUitOpen 2:dcaee06f6ccb 64 * The function object created for 'function'
MikamiUitOpen 2:dcaee06f6ccb 65 */
MikamiUitOpen 2:dcaee06f6ccb 66 pFunctionPointer_t add_handler_front(void (*function)(void), IRQn_Type irq) {
MikamiUitOpen 2:dcaee06f6ccb 67 return add_common(function, irq, true);
MikamiUitOpen 2:dcaee06f6ccb 68 }
MikamiUitOpen 2:dcaee06f6ccb 69
MikamiUitOpen 2:dcaee06f6ccb 70 /** Add a handler for an interrupt at the end of the handler list
MikamiUitOpen 2:dcaee06f6ccb 71 *
MikamiUitOpen 2:dcaee06f6ccb 72 * @param tptr pointer to the object that has the handler function
MikamiUitOpen 2:dcaee06f6ccb 73 * @param mptr pointer to the actual handler function
MikamiUitOpen 2:dcaee06f6ccb 74 * @param irq interrupt number
MikamiUitOpen 2:dcaee06f6ccb 75 *
MikamiUitOpen 2:dcaee06f6ccb 76 * @returns
MikamiUitOpen 2:dcaee06f6ccb 77 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 2:dcaee06f6ccb 78 */
MikamiUitOpen 2:dcaee06f6ccb 79 template<typename T>
MikamiUitOpen 2:dcaee06f6ccb 80 pFunctionPointer_t add_handler(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
MikamiUitOpen 2:dcaee06f6ccb 81 return add_common(tptr, mptr, irq);
MikamiUitOpen 2:dcaee06f6ccb 82 }
MikamiUitOpen 2:dcaee06f6ccb 83
MikamiUitOpen 2:dcaee06f6ccb 84 /** Add a handler for an interrupt at the beginning of the handler list
MikamiUitOpen 2:dcaee06f6ccb 85 *
MikamiUitOpen 2:dcaee06f6ccb 86 * @param tptr pointer to the object that has the handler function
MikamiUitOpen 2:dcaee06f6ccb 87 * @param mptr pointer to the actual handler function
MikamiUitOpen 2:dcaee06f6ccb 88 * @param irq interrupt number
MikamiUitOpen 2:dcaee06f6ccb 89 *
MikamiUitOpen 2:dcaee06f6ccb 90 * @returns
MikamiUitOpen 2:dcaee06f6ccb 91 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 2:dcaee06f6ccb 92 */
MikamiUitOpen 2:dcaee06f6ccb 93 template<typename T>
MikamiUitOpen 2:dcaee06f6ccb 94 pFunctionPointer_t add_handler_front(T* tptr, void (T::*mptr)(void), IRQn_Type irq) {
MikamiUitOpen 2:dcaee06f6ccb 95 return add_common(tptr, mptr, irq, true);
MikamiUitOpen 2:dcaee06f6ccb 96 }
MikamiUitOpen 2:dcaee06f6ccb 97
MikamiUitOpen 2:dcaee06f6ccb 98 /** Remove a handler from an interrupt
MikamiUitOpen 2:dcaee06f6ccb 99 *
MikamiUitOpen 2:dcaee06f6ccb 100 * @param handler the function object for the handler to remove
MikamiUitOpen 2:dcaee06f6ccb 101 * @param irq the interrupt number
MikamiUitOpen 2:dcaee06f6ccb 102 *
MikamiUitOpen 2:dcaee06f6ccb 103 * @returns
MikamiUitOpen 2:dcaee06f6ccb 104 * true if the handler was found and removed, false otherwise
MikamiUitOpen 2:dcaee06f6ccb 105 */
MikamiUitOpen 2:dcaee06f6ccb 106 bool remove_handler(pFunctionPointer_t handler, IRQn_Type irq);
MikamiUitOpen 2:dcaee06f6ccb 107
MikamiUitOpen 2:dcaee06f6ccb 108 private:
MikamiUitOpen 2:dcaee06f6ccb 109 InterruptManager();
MikamiUitOpen 2:dcaee06f6ccb 110 ~InterruptManager();
MikamiUitOpen 2:dcaee06f6ccb 111
MikamiUitOpen 2:dcaee06f6ccb 112 // We declare the copy contructor and the assignment operator, but we don't
MikamiUitOpen 2:dcaee06f6ccb 113 // implement them. This way, if someone tries to copy/assign our instance,
MikamiUitOpen 2:dcaee06f6ccb 114 // he will get an error at compile time.
MikamiUitOpen 2:dcaee06f6ccb 115 InterruptManager(const InterruptManager&);
MikamiUitOpen 2:dcaee06f6ccb 116 InterruptManager& operator =(const InterruptManager&);
MikamiUitOpen 2:dcaee06f6ccb 117
MikamiUitOpen 2:dcaee06f6ccb 118 template<typename T>
MikamiUitOpen 2:dcaee06f6ccb 119 pFunctionPointer_t add_common(T *tptr, void (T::*mptr)(void), IRQn_Type irq, bool front=false) {
MikamiUitOpen 2:dcaee06f6ccb 120 int irq_pos = get_irq_index(irq);
MikamiUitOpen 2:dcaee06f6ccb 121 bool change = must_replace_vector(irq);
MikamiUitOpen 2:dcaee06f6ccb 122
MikamiUitOpen 2:dcaee06f6ccb 123 pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(tptr, mptr) : _chains[irq_pos]->add(tptr, mptr);
MikamiUitOpen 2:dcaee06f6ccb 124 if (change)
MikamiUitOpen 2:dcaee06f6ccb 125 NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper);
MikamiUitOpen 2:dcaee06f6ccb 126 return pf;
MikamiUitOpen 2:dcaee06f6ccb 127 }
MikamiUitOpen 2:dcaee06f6ccb 128
MikamiUitOpen 2:dcaee06f6ccb 129 pFunctionPointer_t add_common(void (*function)(void), IRQn_Type irq, bool front=false);
MikamiUitOpen 2:dcaee06f6ccb 130 bool must_replace_vector(IRQn_Type irq);
MikamiUitOpen 2:dcaee06f6ccb 131 int get_irq_index(IRQn_Type irq);
MikamiUitOpen 2:dcaee06f6ccb 132 void irq_helper();
MikamiUitOpen 2:dcaee06f6ccb 133 void add_helper(void (*function)(void), IRQn_Type irq, bool front=false);
MikamiUitOpen 2:dcaee06f6ccb 134 static void static_irq_helper();
MikamiUitOpen 2:dcaee06f6ccb 135
MikamiUitOpen 2:dcaee06f6ccb 136 CallChain* _chains[NVIC_NUM_VECTORS];
MikamiUitOpen 2:dcaee06f6ccb 137 static InterruptManager* _instance;
MikamiUitOpen 2:dcaee06f6ccb 138 };
MikamiUitOpen 2:dcaee06f6ccb 139
MikamiUitOpen 2:dcaee06f6ccb 140 } // namespace mbed
MikamiUitOpen 2:dcaee06f6ccb 141
MikamiUitOpen 2:dcaee06f6ccb 142 #endif
MikamiUitOpen 2:dcaee06f6ccb 143