85 lines
1.4 KiB
C++
85 lines
1.4 KiB
C++
//
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// Created by Luca on 8/29/2025.
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//
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#ifndef SHMINGO_HAL_SHAL_GPIO_H
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#define SHMINGO_HAL_SHAL_GPIO_H
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#include "SHAL_CORE.h"
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#include <cassert>
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#include "SHAL_GPIO_REG_F072xB.h"
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#include "SHAL_EXTI_CALLBACK.h"
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enum class PinMode : uint8_t{
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INPUT_MODE,
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OUTPUT_MODE,
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ALTERNATE_FUNCTION_MODE,
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ANALOG_MODE,
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INVALID
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};
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unsigned long getPinMode(PinMode mode);
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enum class TriggerMode : uint8_t{
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RISING_EDGE,
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FALLING_EDGE,
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RISING_FALLING_EDGE
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};
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unsigned long getTriggerMode(TriggerMode mode);
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//Abstraction of GPIO registers
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class GPIO{
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public:
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void toggle() volatile;
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//TODO replace stupid offset hack from APB
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void setHigh();
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void setLow();
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private:
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friend class GPIOManager;
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explicit GPIO(GPIO_Key key, PinMode pinMode);
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GPIO();
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GPIO_Key m_GPIO_KEY = GPIO_Key::INVALID;
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};
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//Init GPIO for normal use
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#define initGPIO(GPIO_KEY, PIN_MODE) GPIOManager::get(GPIO_KEY, PIN_MODE)
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//Init GPIO for use as an external interrupt
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#define useGPIOAsInterrupt(GPIO_KEY, Trigger_Mode, Callback) GPIOManager::getInterruptGPIO(GPIO_KEY, Trigger_Mode, Callback)
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//Manages instances of GPIO objects
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class GPIOManager{
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public:
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static GPIO& get(GPIO_Key, PinMode pinMode);
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static void getInterruptGPIO(GPIO_Key key, TriggerMode mode, EXTICallback callback);
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GPIOManager() = delete;
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private:
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inline static GPIO m_gpios[AVAILABLE_PORTS][PINS_PER_PORT] = {{}};
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};
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#endif //SHMINGO_HAL_SHAL_GPIO_H
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