/*
 * c.c
 *
 *  Created on: Mar 11, 2021
 *      Author: 13370
 */
#include "c.h"
#include "lcd.h"
#include "text.h"
#include "fatfs.h"
#include "fatfs_sd.h"

#define KEY_UP 		HAL_GPIO_ReadPin(KEY_UP_GPIO_Port,KEY_UP_Pin)
#define KEY_B 		HAL_GPIO_ReadPin(KEY_B_GPIO_Port,KEY_B_Pin)
#define KEY_DOWN    HAL_GPIO_ReadPin(KEY_DOWN_GPIO_Port,KEY_DOWN_Pin)

FATFS SD;

#define fuck 256

int my_main()
{
	uint8_t res;
	FIL fil;
	char fil_buff[fuck+1]={0};
	char fuck_flag=0;
	char fuck_buff;
	uint16_t br=0;
	char str[fuck+1]={0};
	LCD_BL(0);
	LCDx_Init();
	LCD_Clear(GRAY);

	if(font_init())
	{
		LCD_ShowString(0,16,(uint8_t *)"erro",16,RED,BLUE,64);
	}

	f_mount(&SD,"0:",1);
	res=f_open(&fil,"0:/demo.txt",FA_READ);


	/*
	sprintf(str,"%02x\n%02x\n%02x\n%02x\n%02x",ftinfo.fontok,ftinfo.ugbkaddr,ftinfo.ugbksize,ftinfo.f12addr,ftinfo.gbk12size);
	LCD_ShowString(0,0,str,12,RED,BLUE);

	LCD_ShowString(0,100,"163165sdf°¢¶û·¨",12,RED,BLUE);
	*/
	while(1)
	{
		if(KEY_UP==0)
		{
			HAL_Delay(10);
			while(KEY_UP==0);
			LCD_Clear(WHITE);
			for(int a=0;a<fuck+1;a++)
			{
				fil_buff[a]=0;
				str[a]=0;
			}

			if(fuck_flag==1)
			{
				fuck_flag=0;
				res=f_read(&fil,fil_buff,fuck-1,(UINT*)&br);
				for(int a=fuck-2;a>0;a--)
				{
					fil_buff[a+1]=fil_buff[a];
				}
				fil_buff[0]=fuck_buff;

			}else
			{
				res=f_read(&fil,fil_buff,fuck,(UINT*)&br);
			}

			if((fil_buff[fuck-1]>127)&&(fil_buff[fuck-2]<128))
			{
				fuck_buff=fil_buff[fuck-1];
				fil_buff[fuck-1]='\0';
				fuck_flag=1;

			}

			sprintf(str,"%s\0",fil_buff);
			LCD_ShowString(0,0,str,16,WHITE,BLACK,fuck);

		}

	}


return 0;
}