From: Michael McMaster <michael@codesrc.com>
Date: Tue, 22 Feb 2022 06:10:02 +0000 (+1000)
Subject: Disable direct read code over 128 sectors as it's not reliable
X-Git-Tag: v6.4.14~2
X-Git-Url: http://git.codesrc.com/gitweb.cgi?a=commitdiff_plain;h=f7eebee7607184fe6c4d3c81b929a7da7946b6c8;p=SCSI2SD-V6.git

Disable direct read code over 128 sectors as it's not reliable
---

diff --git a/src/firmware/disk.c b/src/firmware/disk.c
index a9d91693..7a4cb8a7 100755
--- a/src/firmware/disk.c
+++ b/src/firmware/disk.c
@@ -830,7 +830,8 @@ static void diskDataIn()
 
 #ifdef STM32F4xx
     // Direct mode requires hardware flow control to be working on the SD peripheral
-    if (bytesPerSector == SD_SECTOR_SIZE)
+    // Code isn't currently working above 128 sectors. TODO investigate
+    if (totalSDSectors < 128 && bytesPerSector == SD_SECTOR_SIZE)
     {
         diskDataInDirect(totalSDSectors, sdLBA, useSlowDataCount, &phaseChangeDelayNs);
     }