#include "Board_GLCD.h"
#include "Board_LED.h"
#include "stm32f2xx_hal.h"
#include "GLCD_Config.h"
#include "JOY.h"
#include "Serial.h"

extern GLCD_FONT GLCD_Font_16x24;
uint32_t fw,fh,dx,dy;
bool ready;

/**Initialize the peripherals: Already Done**/
void setup(void){
    GLCD_Initialize();
    LED_Initialize();
    JOY_Init();
    SER_Init(115200);
    GLCD_SetFont(&GLCD_Font_16x24);
    GLCD_SetBackgroundColor(GLCD_COLOR_PURPLE);
    fw = GLCD_Font_16x24.width;// font width
    fh = GLCD_Font_16x24.height; //font height
    //minimum x position on the screen. Corresponds to column 0
    dx = (GLCD_WIDTH - 16*fw)>>1;
    //minimum y position on the screen. Corresponds to row 0
    dy = (GLCD_HEIGHT - 6 * fh) >> 1;
    //use to prevent Joy stick sampling when the joy stick has not be initialized
    ready = true;
}

/**Checks if the direction of the joy stick and move the cursor in the joy stick's direction. If the cursor is at the bounds, cursor will not be moved**/
void sampleJoystick(void){

        if(!ready)return;   //initialization has not completed, abort
            uint32_t key = JOY_GetKeys();

// Put code here //

}


/**Draw ascii characters on the screen**/
void draw(void){

    GLCD_DrawChar(0, 0, 0x36);
    GLCD_DrawChar(18, 0, 0x39);
}

int main(void){
    SystemCoreClockUpdate();
        HAL_Init();
        SysTick_Config(SystemCoreClock/1000);
        setup();
        GLCD_ClearScreen();
        draw();


// Add Additional lines of code if required //

        while(1){}
}


/*SysTick ISR*/
void SysTick_Handler(void){
    //increment HAL tick variable; this is required for LCD Display Config.
    HAL_IncTick();
    //check for joy stick movement to configure Joystick Sampling
    sampleJoystick();
}




/**Highlight the character c in the 16x6 grid **/
void highlightText(uint32_t c){

// Put code here //

}



/**Convert row and column to actual x y position: p[0] = column p[1] = row **/
void toPosition(int * p){

// Put code here //

}



/**Fill the array p with the row and column number of the character ch: p[0] column p[1] = row **/
void getPos(uint32_t ch,int *p){

// Put code here //

}


/**Toggle the LED based on the bits of the character c.
1 LED will be turned on
0 LED will be turned off **/
void LED (uint32_t c){

// Put code here //

}





/** Clear any previous highlight and highlight c **/
void ClearHighlight(uint32_t c){

// Put code here //

}