From 5ecd8118f2dc3fd70f98ecf4a294cb7a1703bf8e Mon Sep 17 00:00:00 2001
From: Karolis Stasaitis <contact@carlossless.io>
Date: Sun, 19 Nov 2023 12:55:05 +0100
Subject: [PATCH] back to working state

---
 src/usb.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/usb.c b/src/usb.c
index 4b49088..bedb1c3 100644
--- a/src/usb.c
+++ b/src/usb.c
@@ -68,8 +68,10 @@
 #define STALL_EP0() \
     do { IN0_SET_STALL; OUT0_SET_STALL; } while(0)
 
-#define IEP0CNT_CLR { IEP0CNT &= ~0x0f; }
-#define IEP0CNT_SET(COUNT) { IEP0CNT_CLR; IEP0CNT |= COUNT; }
+#define IEP0CNT_CLR \
+    do { IEP0CNT &= ~0x0f; } while(0)
+#define IEP0CNT_SET(COUNT) \
+    do { IEP0CNT_CLR; IEP0CNT |= COUNT; } while (0)
 
 enum {
     REPORT_ID_ACPI = 0x01,
@@ -357,10 +359,10 @@ uint16_t ep0_xfer_bytes_left;
 uint8_t *ep0_xfer_src;
 
 // TODO: remove
-uint8_t __xdata usb_rx_data[8];
-uint8_t __xdata *buffer_addr;
-__bit device_remote_wakeup_f;
-uint8_t __xdata configution_value;
+volatile uint8_t __xdata usb_rx_data[8];
+volatile uint8_t __xdata *buffer_addr;
+volatile __bit device_remote_wakeup_f;
+volatile uint8_t __xdata configution_value;
 
 uint8_t __xdata EP1_IDLE_TIME;
 uint8_t __xdata EP1_IDLE_COUNT;
@@ -423,7 +425,7 @@ static void usb_setup_irq()
                     STALL_EP0();
                     return;
             }
-
+            break;
         case (USB_DEVICE_TO_HOST | USB_STANDARD | USB_DEVICE):
             switch (request) {
                 case USB_GET_STATUS: