lynxis lazus has uploaded this change for review.

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dfu: MANIFEST: mainloop: wait 5 ms before handling the state

Gives the USB stack some time to deliver the last USB message before
going through the state machine which might end in a too quick system reset.

Change-Id: If9178120eed46f75089abf1898db3176cce93df2
---
M usb_start.c
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-asf4-dfu refs/changes/77/42177/1

diff --git a/usb_start.c b/usb_start.c
index 7b164a0..185cd28 100644
--- a/usb_start.c
+++ b/usb_start.c
@@ -199,6 +199,9 @@
 		case USB_DFU_STATE_DFU_MANIFEST: // we can start manifestation (finish flashing)
 			// in theory every DFU files should have a suffix to with a CRC to check the data
 			// in practice most downloaded files are just the raw binary with DFU suffix
+			/* give the previous GET STATUS packet some time to arrive, because otherwise
+			   the board might go into reset to fast through MANIFEST_WAIT_RESET */
+			delay_ms(5);
 			CRITICAL_SECTION_ENTER();
 			dfu_manifestation_complete = true; // we completed flashing and all checks
 			if (usb_dfu_func_desc->bmAttributes & USB_DFU_ATTRIBUTES_MANIFEST_TOLERANT) {

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