//
// Created by cfif on 25.10.22.
//
#include "GpioPin.h"
#include "SystemDelayInterface.h"

/*
typedef struct {
    GPIO_Module *port;
    uint32_t apb;
} tGpioApbPair;

#define GPIO_APB_TABLE_LINE(NAME) {.port=NAME, .apb=RCC_APB2_PERIPH_##NAME}

tGpioApbPair GPIO_APB_TABLE[] = {
        GPIO_APB_TABLE_LINE(GPIOA),
        GPIO_APB_TABLE_LINE(GPIOB),
        GPIO_APB_TABLE_LINE(GPIOC),
        GPIO_APB_TABLE_LINE(GPIOD),
        GPIO_APB_TABLE_LINE(GPIOE),
        GPIO_APB_TABLE_LINE(GPIOF),
        GPIO_APB_TABLE_LINE(GPIOG),
};
tGpioApbPair *GPIO_APB_TABLE_END = GPIO_APB_TABLE + sizeof(GPIO_APB_TABLE);


void RCC_EnableAPB2PeriphClkForGpioPort(GPIO_Module *port, FunctionalState Cmd) {
    for (tGpioApbPair *pair = GPIO_APB_TABLE; pair < GPIO_APB_TABLE_END; ++pair) {
        if (pair->port == port) {
            RCC_EnableAPB2PeriphClk(pair->apb, Cmd);
            return;
        }
    }
}


void InitGpioPinConfigOnly(GPIO_Module *port, uint32_t pinMask, GPIO_ModeType mode, GPIO_SpeedType speed) {

    GPIO_InitType GPIO_InitStructure;

    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    assert_param(pinMask <= GPIO_PIN_ALL);


    RCC_EnableAPB2PeriphClkForGpioPort(port, ENABLE);


    GPIO_InitStructure.Pin = pinMask;
    GPIO_InitStructure.GPIO_Mode = mode;
    GPIO_InitStructure.GPIO_Speed = speed;
    GPIO_InitPeripheral(port, &GPIO_InitStructure);

}

tGpioPin InitGpioPin(GPIO_Module *port, uint32_t pinMask, GPIO_ModeType mode, GPIO_SpeedType speed, bool reverse) {

    InitGpioPinConfigOnly(port, pinMask, mode, speed);

    tGpioPin pin = {
            .port = port,
            .pin = pinMask,
            .reverse = reverse
    };


    return pin;
}
*/

void GpioPin_InitRccConfigOnly(GPIO_Module *port, uint32_t pinMask, GPIO_ModeType mode, GPIO_SpeedType speed,
                               uint32_t clock) {

    GPIO_InitType GPIO_InitStructure;

    RCC_EnableAPB2PeriphClk(clock, ENABLE);

    GPIO_InitStructure.Pin = pinMask;
    GPIO_InitStructure.GPIO_Mode = mode;
    GPIO_InitStructure.GPIO_Speed = speed;
    GPIO_InitPeripheral(port, &GPIO_InitStructure);

}

tGpioPin GpioPin_InitRcc(
        GPIO_Module *port,
        uint32_t pinMask,
        GPIO_ModeType mode,
        GPIO_SpeedType speed, bool reverse,
        uint32_t clock
) {
    GpioPin_InitRccConfigOnly(port, pinMask, mode, speed, clock);

    tGpioPin pin = {
            .port = port,
            .pin = pinMask,
            .reverse = reverse
    };

    return pin;
}


/**
 * @brief  Set selected pin SET or RESET.
 * @param pin is tGpioPin inited with InitGpioPin
 */
void GpioPinSet(tGpioPin *pin, bool value) {
    if (pin->reverse) {
        value = !value;
    }

    if (value) {
        GPIO_SetBits(pin->port, pin->pin);
    } else {
        GPIO_ResetBits(pin->port, pin->pin);
    }
}

bool Debounse(bool thisStat, tGpioPin *pin) {
    bool current = GPIO_ReadInputDataBit(pin->port, pin->pin);
    if(thisStat != current) {
        SystemDelayMs(10);
        current = GPIO_ReadInputDataBit(pin->port, pin->pin);
    }
    return current;
}

/**
 * @brief  Get selected input pin is SET or RESET.
 * @param pin is tGpioPin inited with InitGpioPin
 */
bool GpioPinGet(tGpioPin *pin) {
    bool value = Bit_SET;

    if (Debounse(value, pin) == Bit_SET) {
        value = true;
    } else { //if value == Bit_RESET;
        value = false;
    }

    if (pin->reverse) {
        value = !value;
    }

    return value;
}