---

#include "MDR32Fx.h"
#include "MDR32F9Qx_port.h"
#include "MDR32F9Qx_rst_clk.h"

static PORT_InitTypeDef PortInit;
volatile uint32_t ms_tick = 0;

void SysTick_Handler() { ms_tick++; }
void delay_mss(uint32_t ms) {
    uint32_t start = ms_tick;
    while ((ms_tick - start) < ms);
}

void Blink(int count) {
    for (int i = 0; i < count; i++) {
        PORT_Write(MDR_PORTA, 0x00); // Включить (зеленые)
        delay_mss(400);
        PORT_Write(MDR_PORTA, 0xFF); // Потушить
        delay_mss(400);
    }
}

int main () {
    RST_CLK_PCLKcmd(RST_CLK_PCLK_PORTA | RST_CLK_PCLK_PORTB | RST_CLK_PCLK_PORTC, ENABLE);
    
    PortInit.PORT_OE = PORT_OE_OUT;
    PortInit.PORT_FUNC = PORT_FUNC_PORT;
    PortInit.PORT_MODE = PORT_MODE_DIGITAL;
    PortInit.PORT_SPEED = PORT_SPEED_SLOW;
    PortInit.PORT_Pin = PORT_Pin_All;
    PORT_Init(MDR_PORTA, &PortInit); 

    PortInit.PORT_OE = PORT_OE_IN;
    PortInit.PORT_PULL_UP = PORT_PULL_UP_ON; 
    PORT_Init(MDR_PORTB, &PortInit);
    PORT_Init(MDR_PORTC, &PortInit);

    SysTick->LOAD = (8000000/1000) - 1;
    SysTick->VAL = 0;
    SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk;
    
    PORT_Write(MDR_PORTA, 0xFF);

    while (1) {
        float x = 0, y = 0;
        int x_val = 0, y_val = 0;

        // --- СБОРКА X (Логика: 1 - кнопка активна/отжата) ---
        if (PORT_ReadInputDataBit(MDR_PORTB, PORT_Pin_0) == 1) x_val += 4;
        if (PORT_ReadInputDataBit(MDR_PORTB, PORT_Pin_1) == 1) x_val += 2;
        if (PORT_ReadInputDataBit(MDR_PORTB, PORT_Pin_2) == 1) x_val += 1;
        if (PORT_ReadInputDataBit(MDR_PORTB, PORT_Pin_3) == 1) x_val = -x_val;
        x = (float)x_val;

        // --- СБОРКА Y ---
        if (PORT_ReadInputDataBit(MDR_PORTB, PORT_Pin_4) == 1) y_val += 4;
        if (PORT_ReadInputDataBit(MDR_PORTB, PORT_Pin_5) == 1) y_val += 2;
        if (PORT_ReadInputDataBit(MDR_PORTB, PORT_Pin_6) == 1) y_val += 1;
        if (PORT_ReadInputDataBit(MDR_PORTB, PORT_Pin_7) == 1) y_val = -y_val;
        y = (float)y_val;

        // --- ПРОВЕРКА SELECT (PORTC.0) ---
        if (PORT_ReadInputDataBit(MDR_PORTC, PORT_Pin_0) == 0) { // Нажали SELECT
            uint8_t hit = 0;

            // 1. Проверяем общие границы прямоугольника
            if (x >= -4.0f && x <= 4.0f && y >= -3.0f && y <= 3.0f) {
                
                // 2. Область справа-сверху (Q1)
                if (x >= 0 && y >= 0) {
                    // Вне круга с центром (0,3)
                    if ( (x*x + (y-3.0f)*(y-3.0f)) >= 4.0f ) hit = 1;
                }
                // 3. Область слева-снизу (Q3)
                else if (x <= 0 && y <= 0) {
                    // Вне круга с центром (0,-3)
                    if ( (x*x + (y+3.0f)*(y+3.0f)) >= 4.0f ) hit = 1;
                }
            }

            if (hit) Blink(1);
            else     Blink(2);

            while(PORT_ReadInputDataBit(MDR_PORTC, PORT_Pin_0) == 0);
        }
    }
}