From: Jonathan McDowell <noodles@earth.li>
Date: Thu, 10 May 2018 07:04:53 +0000 (+0100)
Subject: Do USB disconnect/reconnect dance before initialising USB
X-Git-Url: https://the.earth.li/gitweb/?p=temper-clone.git;a=commitdiff_plain;h=f259a83606c7e6692970cd0ec814a7414a481938

Do USB disconnect/reconnect dance before initialising USB

According to http://vusb.wikidot.com/driver-api the initial
usbDeviceDisconnect() / usbDeviceConnect() for enumeration should
be called before doing the usbInit(). Haven't seen problems as a
result, but do so.
---

diff --git a/main.c b/main.c
index a75a4fc..4e3d72c 100644
--- a/main.c
+++ b/main.c
@@ -375,17 +375,16 @@ int main(void)
 	w1_setup();
 	set_serial();
 
-	usbInit();
 	usbDeviceDisconnect();
-
 	i = 0;
 	while (--i) {
 		wdt_reset();
 		_delay_ms(1);
 	}
-
 	usbDeviceConnect();
 
+	usbInit();
+
 	/* PB1 as output for LED */
 	DDRB |= 1 << PB1;