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control/examples/register2/Makefile
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30
control/examples/register2/Makefile
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# Name: Makefile
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# Project: B15F (board15 Famulus Edition)
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# Author: Tristan Krause
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# Creation Date: 2019-05-15
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# Environment
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COMPILER_PATH = g++
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# Options
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CFLAGS = -std=c++17 -O3 -Wall -Wextra
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LDFLAGS = -lb15fdrv
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OBJECTS = main.o
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OUT = main.elf
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COMPILE = $(COMPILER_PATH) $(CFLAGS)
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main: $(OBJECTS)
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$(COMPILE) $(OBJECTS) -o $(OUT) $(LDFLAGS)
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help:
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@echo "This Makefile has the following targets:"
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@echo "make main .... to compile"
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@echo "make clean ... to delete objects and executables"
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clean:
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@echo "Cleaning..."
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rm -f $(OBJECTS) $(OUT) *.bin gnuplotscript.gp
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.cpp.o:
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$(COMPILE) -c $< -o $@
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40
control/examples/register2/main.cpp
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40
control/examples/register2/main.cpp
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#include <b15f/b15f.h>
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#include <b15f/plottyfile.h>
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/*
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* Dieses Beispiel liest ein par Interrupt Counter aus.
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* Die Counter sind 16-Bit groß und in einem Feld.
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* Die Vector Nummer ist gleich die Counter-Nummer im Feld.
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* Ausname: Vector 0 (Reset). Dieser ist im Feld stattdessen der BADISR-Interrupt
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*/
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int main()
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{
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uint8_t tmp;
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B15F& drv = B15F::getInstance();
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// INT2 für falling edge
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tmp = drv.getRegister(&EICRA);
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tmp |= _BV(ISC21);
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drv.setRegister(&EICRA, tmp);
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// aktiviere INT2
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tmp = drv.getRegister(&EIMSK);
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tmp |= _BV(INT2);
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drv.setRegister(&EIMSK, tmp);
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// ab jetzt sollte kann man INT2 mit einem Pullup/Pulldown Widerstand betreiben.
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// Nachdem man eine Flanke auf INT2 gegeben hat und dieses Programm erneut aufruft, siehtman wie counter[INT2] hochzählt.
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// Erhalte Adress-Offset zum ersten Counter.
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uint16_t* cnt = drv.getInterruptCounterOffset();
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std::cout << "mem offset: " << reinterpret_cast<size_t>(cnt) << std::endl;
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// gib beispielhaft ein par Counter aus:
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std::cout << "counter[BADISR]: " << (int) drv.getMem16(cnt) << std::endl;
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std::cout << "counter[INT0]: " << (int) drv.getMem16(cnt + 1) << std::endl;
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std::cout << "counter[INT1]: " << (int) drv.getMem16(cnt + 2) << std::endl;
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std::cout << "counter[INT2]: " << (int) drv.getMem16(cnt + 3) << std::endl;
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std::cout << "counter[ANALOG_COMP]: " << (int) drv.getMem16(cnt + 23) << std::endl;
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std::cout << "counter[TIMER3_OVF]: " << (int) drv.getMem16(cnt + 34) << std::endl;
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}
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@ -508,6 +508,22 @@ uint8_t B15F::getRegister(volatile uint8_t* adr)
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return getMem8(adr);
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}
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uint16_t* B15F::getInterruptCounterOffset()
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{
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usart.clearInputBuffer();
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uint8_t rq[] =
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{
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RQ_COUNTER_OFFSET
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};
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usart.transmit(&rq[0], 0, sizeof(rq));
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uint16_t aw;
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usart.receive(reinterpret_cast<uint8_t *>(&aw), 0, sizeof(aw));
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return reinterpret_cast<uint16_t*>(aw);
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}
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/*************************/
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@ -229,7 +229,6 @@ public:
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* \param adr Speicheradresse
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* \param val Neuer Wert für die Zelle
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* \return true, falls Vorgang erfolgreich
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* \throws DriverException
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*/
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bool setMem8(volatile uint8_t* adr, uint8_t val);
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* Diese kann ein Register oder RAM-Daten sein.
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* \param adr Speicheradresse
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* \return Wert der Speicherzelle
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* \throws DriverException
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*/
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uint8_t getMem8(volatile uint8_t* adr);
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* \param adr Speicheradresse
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* \param val Neuer Wert für die Zelle
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* \return true, falls Vorgang erfolgreich
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* \throws DriverException
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*/
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bool setMem16(volatile uint16_t* adr, uint16_t val);
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* Diese kann ein Register oder RAM-Daten sein.
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* \param adr Speicheradresse
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* \return Wert der Speicherzelle
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* \throws DriverException
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*/
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uint16_t getMem16(volatile uint16_t* adr);
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* \param adr Speicheradresse
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* \param val Neuer Wert für das Register
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* \return true, falls Vorgang erfolgreich
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* \throws DriverException
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*/
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bool setRegister(volatile uint8_t* adr, uint8_t val);
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* Diese Funktion ist ein Alias für getMem8().
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* \param adr Speicheradresse
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* \return Wert des Registers
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* \throws DriverException
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*/
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uint8_t getRegister(volatile uint8_t* adr);
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/**
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* Liefert die Adresse des ersten Interrupt Counters (BASISR).
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* \return Adresse (in der MCU)
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*/
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uint16_t* getInterruptCounterOffset(void);
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/*************************/
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@ -21,6 +21,7 @@ constexpr static uint8_t RQ_SET_MEM_8 = 16;
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constexpr static uint8_t RQ_GET_MEM_8 = 17;
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constexpr static uint8_t RQ_SET_MEM_16 = 18;
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constexpr static uint8_t RQ_GET_MEM_16 = 19;
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constexpr static uint8_t RQ_COUNTER_OFFSET = 20;
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uint8_t const rq_len[] = {
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1 /* RQ_DISCARD */,
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1 /* RQ_GET_MEM_8 */ + 1 /* memory address low */ + 1 /* memory address high */,
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1 /* RQ_SET_MEM_16 */ + 1 /* memory address low */ + 1 /* memory address high */ + 1 /* memory value low */ + 1 /* memory value high */,
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1 /* RQ_GET_MEM_16 */ + 1 /* memory address low */ + 1 /* memory address high */,
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1 /* RQ_COUNTER_OFFSET */,
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};
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#endif // REQUESTS_H
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