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解决了因为汉字在两个数据块直接导致的数据流乱码，

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下个版本打算两字节两个字节的读取，这样就就不怕数据块中
换行太多导致显示不下。

Signed-off-by: 无闻风 <53944749+wuwenfengmi1998@users.noreply.github.com>
This commit is contained in:
无闻风
2021-03-13 17:10:37 +08:00
parent 1dee44ab7c
commit 82980c4cdc
50 changed files with 12650 additions and 11067 deletions
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103ze/mycode/c.c
+51 -5
View File
@@ -9,15 +9,24 @@
#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[128];
uint16_t br=128;
char str[16];
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);
@@ -29,8 +38,7 @@ int my_main()
f_mount(&SD,"0:",1);
res=f_open(&fil,"0:/demo.txt",FA_READ);
res=f_read(&fil,fil_buff,64,(UINT*)&br);
LCD_ShowString(0,0,fil_buff,16,RED,BLUE,64);
/*
sprintf(str,"%02x\n%02x\n%02x\n%02x\n%02x",ftinfo.fontok,ftinfo.ugbkaddr,ftinfo.ugbksize,ftinfo.f12addr,ftinfo.gbk12size);
@@ -40,6 +48,44 @@ int my_main()
*/
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);
}
}