Mirror/opentx
1
0
Fork 0
mirror of https://github.com/opentx/opentx.git synced 2025-07-24 00:35:18 +03:00
Code Issues Wiki Activity

Protection against too many read / write errors on SD

Browse source
This commit is contained in:
bsongis 2012-07-02 17:54:24 +00:00
parent d08c172860
commit 67b774cc47
1 changed files with 20 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

23
src/ersky9x/diskio.c
View file

@ -76,6 +76,7 @@
#define SD_ST_STBY 6 #define SD_ST_STBY 6
#define SD_ST_TRAN 7 #define SD_ST_TRAN 7
#define SD_ST_DATA 8 #define SD_ST_DATA 8
#define SD_ST_ERR 9
uint32_t Card_ID[4] ; uint32_t Card_ID[4] ;
uint32_t Card_SCR[2] ; uint32_t Card_SCR[2] ;
@ -806,13 +807,14 @@ void sdInit()
#endif #endif
} }
uint8_t sdErrorCount = 0;
extern FATFS g_FATFS_Obj; extern FATFS g_FATFS_Obj;
void sdPoll10mS() void sdPoll10mS()
{ {
if (!CardIsConnected()) { if (!CardIsConnected()) {
Card_state = SD_ST_EMPTY; Card_state = SD_ST_EMPTY;
Sd_rca = 0; Sd_rca = 0;
sdErrorCount = 0;
} }
switch (Card_state) { switch (Card_state) {
@ -859,6 +861,9 @@ void sdPoll10mS()
f_mount(0, &g_FATFS_Obj); f_mount(0, &g_FATFS_Obj);
retrieveAvailableAudioFiles(); retrieveAvailableAudioFiles();
break; break;
case SD_ST_ERR:
break;
} }
} }
@ -1116,7 +1121,13 @@ DRESULT disk_read (
} }
} while ( count ) ; } while ( count ) ;
return count ? RES_ERROR : RES_OK; if (!count)
return RES_OK;
if (++sdErrorCount > 3)
Card_state = SD_ST_ERR;
return RES_ERROR;
} }
@ -1152,7 +1163,13 @@ DRESULT disk_write (
} }
} while ( count ) ; } while ( count ) ;
return count ? RES_ERROR : RES_OK; if (!count)
return RES_OK;
if (++sdErrorCount > 3)
Card_state = SD_ST_ERR;
return RES_ERROR;
} }