From 4e024f54670541220110c029df3a6e094335a300 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=ADguel=20=C3=81ngel=20Mulero=20Mart=C3=ADnez?=
 <mcgivergim@gmail.com>
Date: Sun, 15 Apr 2018 02:29:49 +0200
Subject: [PATCH] Fix MSP Flash FS supported (#5670)

---
 src/main/interface/msp.c | 8 +++++++-
 src/main/io/flashfs.c    | 5 +++++
 src/main/io/flashfs.h    | 1 +
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/main/interface/msp.c b/src/main/interface/msp.c
index 61aacb3680..2f376ba636 100644
--- a/src/main/interface/msp.c
+++ b/src/main/interface/msp.c
@@ -149,6 +149,11 @@ typedef enum {
     MSP_SDCARD_FLAG_SUPPORTTED   = 1
 } mspSDCardFlags_e;
 
+typedef enum {
+    MSP_FLASHFS_FLAG_READY       = 1,
+    MSP_FLASHFS_FLAG_SUPPORTED  = 2
+} mspFlashFsFlags_e;
+
 #define RATEPROFILE_MASK (1 << 7)
 #endif //USE_OSD_SLAVE
 
@@ -281,7 +286,8 @@ static void serializeDataflashSummaryReply(sbuf_t *dst)
 {
 #ifdef USE_FLASHFS
     const flashGeometry_t *geometry = flashfsGetGeometry();
-    uint8_t flags = (flashfsIsReady() ? 1 : 0) | 2 /* FlashFS is supported */;
+    uint8_t flags = (flashfsIsReady() ? MSP_FLASHFS_FLAG_READY : 0);
+    flags |= (flashfsIsSupported() ? MSP_FLASHFS_FLAG_SUPPORTED : 0);
 
     sbufWriteU8(dst, flags);
     sbufWriteU32(dst, geometry->sectors);
diff --git a/src/main/io/flashfs.c b/src/main/io/flashfs.c
index 3d0b882bef..6f6eb45410 100644
--- a/src/main/io/flashfs.c
+++ b/src/main/io/flashfs.c
@@ -111,6 +111,11 @@ bool flashfsIsReady(void)
     return m25p16_isReady();
 }
 
+bool flashfsIsSupported(void)
+{
+    return flashfsGetSize() > 0;
+}
+
 uint32_t flashfsGetSize(void)
 {
     return m25p16_getGeometry()->totalSize;
diff --git a/src/main/io/flashfs.h b/src/main/io/flashfs.h
index 216c8c22e0..db3d0f3e01 100644
--- a/src/main/io/flashfs.h
+++ b/src/main/io/flashfs.h
@@ -46,6 +46,7 @@ bool flashfsFlushAsync(void);
 void flashfsFlushSync(void);
 
 void flashfsInit(void);
+bool flashfsIsSupported(void);
 
 bool flashfsIsReady(void);
 bool flashfsIsEOF(void);