aboutsummaryrefslogtreecommitdiffstats
path: root/LUFA/Drivers/USB/Class/Device/CDC.c
diff options
context:
space:
mode:
authorDean Camera <dean@fourwalledcubicle.com>2009-08-05 09:37:45 +0000
committerDean Camera <dean@fourwalledcubicle.com>2009-08-05 09:37:45 +0000
commita9d5e129b76449c73a853af450d7d353512cd3a0 (patch)
tree8779e0f6d9bd2ab4ea83a88e4a532b8daa8d5154 /LUFA/Drivers/USB/Class/Device/CDC.c
parent4b35dd167001233d2f44f918d3656a3f2ad80f2e (diff)
downloadlufa-a9d5e129b76449c73a853af450d7d353512cd3a0.tar.gz
lufa-a9d5e129b76449c73a853af450d7d353512cd3a0.tar.bz2
lufa-a9d5e129b76449c73a853af450d7d353512cd3a0.zip
Changed over manual loops waiting for endpoints to be ready to use the library Endpoint_WaitUntilReady() function for robustness. Fixes issues with terminated transfers on the host locking up USB devices.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/CDC.c')
-rw-r--r--LUFA/Drivers/USB/Class/Device/CDC.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c
index 9da0ed1eb..0d6b37850 100644
--- a/LUFA/Drivers/USB/Class/Device/CDC.c
+++ b/LUFA/Drivers/USB/Class/Device/CDC.c
@@ -126,12 +126,7 @@ void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearIN();
-
- while (!(Endpoint_IsReadWriteAllowed()))
- {
- if (USB_DeviceState == DEVICE_STATE_Unattached)
- return;
- }
+ Endpoint_WaitUntilReady();
}
Endpoint_ClearIN();
@@ -156,12 +151,7 @@ void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, con
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearIN();
-
- while (!(Endpoint_IsReadWriteAllowed()))
- {
- if (USB_DeviceState == DEVICE_STATE_Unattached)
- return;
- }
+ Endpoint_WaitUntilReady();
}
Endpoint_Write_Byte(Data);