From: Martin Mares <mj@ucw.cz>
Date: Sun, 14 May 2023 13:31:42 +0000 (+0200)
Subject: Clock firmware: Fix USB restart
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=c529b6e8a8e13ea9df40ee177d6f2711d32ceaa9;p=home-hw.git

Clock firmware: Fix USB restart
---

diff --git a/clock/firmware/main.c b/clock/firmware/main.c
index 50ce567..27de39d 100644
--- a/clock/firmware/main.c
+++ b/clock/firmware/main.c
@@ -505,6 +505,9 @@ static void ep01_cb(usbd_device *dev, uint8_t ep UNUSED)
 
 static void ep82_send(u32 key_code)
 {
+	if (!usb_configured)
+		return;
+
 	if (usb_tx_in_flight) {
 		debug_printf("USB: Send overrun!\n");
 		return;
@@ -533,6 +536,7 @@ static void set_config_cb(usbd_device *dev, uint16_t wValue UNUSED)
 	usbd_ep_setup(dev, 0x01, USB_ENDPOINT_ATTR_BULK, 64, ep01_cb);
 	usbd_ep_setup(dev, 0x82, USB_ENDPOINT_ATTR_BULK, 4, ep82_cb);
 	usb_configured = true;
+	usb_tx_in_flight = false;
 }
 
 static void reset_cb(void)