From 12609f818b59756f70c0059275a0de391c85ee3a Mon Sep 17 00:00:00 2001 From: hathach Date: Tue, 1 Oct 2019 14:43:34 +0700 Subject: [PATCH] fix #161 added volatile for ep_busy_map/ep_stall_map --- src/device/usbd.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/device/usbd.c b/src/device/usbd.c index 3700fb98..7f819d8f 100644 --- a/src/device/usbd.c +++ b/src/device/usbd.c @@ -52,14 +52,14 @@ typedef struct { uint8_t self_powered : 1; // configuration descriptor's attribute }; - uint8_t ep_busy_map[2]; // bit mask for busy endpoint - uint8_t ep_stall_map[2]; // bit map for stalled endpoint + volatile uint8_t ep_busy_map[2]; // bit mask for busy endpoint + volatile uint8_t ep_stall_map[2]; // bit map for stalled endpoint uint8_t itf2drv[16]; // map interface number to driver (0xff is invalid) uint8_t ep2drv[8][2]; // map endpoint to driver ( 0xff is invalid ) }usbd_device_t; -static usbd_device_t _usbd_dev = { 0 }; +static usbd_device_t _usbd_dev; // Invalid driver ID in itf2drv[] ep2drv[][] mapping enum { DRVID_INVALID = 0xFFu };