From 3c4c5bd630669b3660c74068b4325f560cd4ed3c Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Tue, 16 Jul 2019 21:52:12 +0200
Subject: [PATCH] feat(fatfs): Print string error message when mount fails
---
epicardium/modules/fatfs.c | 47 +++++++++++++++++++++++++++++---------
1 file changed, 36 insertions(+), 11 deletions(-)
diff --git a/epicardium/modules/fatfs.c b/epicardium/modules/fatfs.c
index 4e4dad3e..fc76bb55 100644
--- a/epicardium/modules/fatfs.c
+++ b/epicardium/modules/fatfs.c
@@ -10,6 +10,12 @@
#include <FreeRTOS.h>
#include <semphr.h>
+static const TCHAR *rcstrings =
+ _T("OK\0DISK_ERR\0INT_ERR\0NOT_READY\0NO_FILE\0NO_PATH\0INVALID_NAME\0")
+ _T("DENIED\0EXIST\0INVALID_OBJECT\0WRITE_PROTECTED\0INVALID_DRIVE\0")
+ _T("NOT_ENABLED\0NO_FILESYSTEM\0MKFS_ABORTED\0TIMEOUT\0LOCKED\0")
+ _T("NOT_ENOUGH_CORE\0TOO_MANY_OPEN_FILES\0INVALID_PARAMETER\0");
+
static bool mount(void);
DIR dir;
@@ -21,31 +27,50 @@ static volatile struct {
.initiaized = false,
};
-bool mount()
+void fatfs_init()
+{
+ if (mount()) {
+ s_state.initiaized = true;
+ printf("FatFs mounted\n");
+ }
+}
+
+const char *f_get_rc_string(FRESULT rc)
+{
+ FRESULT i;
+ const char *p = rcstrings;
+
+ for (i = 0; i != rc && *p; i++) {
+ while (*p++)
+ ;
+ }
+ return p;
+}
+
+static bool mount()
{
FRESULT res;
res = f_mount(&FatFs, "/", 0);
if (res != FR_OK) {
- printf("f_mount error %d\n", res);
+ printf("f_mount error %s\n", f_get_rc_string(res));
return false;
}
res = f_opendir(&dir, "0:");
if (res != FR_OK) {
- printf("f_opendir error %d\n", res);
+ printf("f_opendir error %s\n", f_get_rc_string(res));
return false;
}
return true;
}
-
-void fatfs_init()
-{
- if (mount()) {
- s_state.initiaized = true;
- printf("FatFs mounted\n");
- }
-}
+/*------------------------------------------------------------------------*/
+/* Create a Synchronization Object */
+/*------------------------------------------------------------------------*/
+/* This function is called in f_mount() function to create a new
+/ synchronization object for the volume, such as semaphore and mutex.
+/ When a 0 is returned, the f_mount() function fails with FR_INT_ERR.
+*/
/*
* Return value:
--
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