随便调试了一下发现不能正确从sd卡读取数据

Signed-off-by: kevin <kevin@lmve.net>
2021-03-12 15:00:37 +08:00
parent 33f317be69
commit 1dee44ab7c
10 changed files with 10509 additions and 11769 deletions
@@ -15,8 +15,8 @@ int my_main()
 {
 	uint8_t res;
 	FIL fil;
-	char fil_buff[64];
-	uint16_t br=0;
+	char fil_buff[128];
+	uint16_t br=128;
 	char str[16];
 	LCD_BL(0);
 	LCDx_Init();
@@ -29,9 +29,8 @@ int my_main()

 	f_mount(&SD,"0:",1);
 	res=f_open(&fil,"0:/demo.txt",FA_READ);
-	res=f_read(&fil,fil_buff,32,(UINT*)&br);
-	sprintf(str,"%s\0\0",fil_buff);
-	LCD_ShowString(0,0,str,16,RED,BLUE,64);
+	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);