0e64099a56
*In order for pin to act as IO, it must be configured with according function. Usually it is IOCON_FUNC0, but some pins on port 0 are an exception (IOCON_FUNC1).
47 lines
939 B
C++
47 lines
939 B
C++
/*
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* DigitalIoPin.h
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*
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* Created on: Aug 29, 2022
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* Author: Vasily Davydov
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*/
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#ifndef DIGITALIOPIN_H_
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#define DIGITALIOPIN_H_
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#define UINT8_MAX_VALUE 255
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#include <assert.h>
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#include <chip.h>
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typedef struct DigitalIOConfigStruct
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{
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uint8_t _port;
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uint8_t _pin;
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bool _input;
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bool _pullup;
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bool _invert;
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uint32_t IOCON_mode;
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uint32_t IOCON_inv;
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uint32_t DigitalEn;
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uint32_t IOFunction;
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IRQn_Type isr_i;
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} DigitalIOConfigStruct;
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class DigitalIoPin
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{
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public:
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DigitalIoPin (int port, int pin, bool input = true, bool pullup = true,
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bool invert = false, bool isr = false, IRQn_Type isr_index = PIN_INT0_IRQn);
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DigitalIoPin (const DigitalIoPin &) = delete;
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virtual ~DigitalIoPin ();
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bool read ();
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void write (bool value);
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private:
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DigitalIOConfigStruct _io = { 0, 0, false, false, false, 0, 0, IOCON_DIGMODE_EN};
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void setIoPin ();
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void setIsr();
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};
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#endif /* DIGITALIOPIN_H_ */
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