save and restore prev filenum during firmware upgrade

tibbotech · Aug 23, 2024 · 837b17a · 837b17a
1 parent 00836ee
commit 837b17a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/upgrade/upgrade.tbs b/upgrade/upgrade.tbs
@@ -399,11 +399,13 @@ function device_firmware_upload_async(source as PL_FW_UPG_SOURCE, number as byte
 
 	device_firmware_init(source, number) 'Move parameters below into firmware init
 	#IFDEF FIRMWARE_UPGRADE_FILENAME
+	dim prev_num as byte=fd.filenum
 	dim fd_status as pl_fd_status_codes=fd.delete(FIRMWARE_UPGRADE_FILENAME)
 	fd_status=fd.create(FIRMWARE_UPGRADE_FILENAME)
 	fd.filenum=filenum_open("UPG",FIRMWARE_UPGRADE_FILENAME,fd_status)
 	#ENDIF
  	device_firmware_upload_async=device_firmware_upload_update()
+	fd.filenum=prev_num
 
 end function