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Added new USB_DeviceState variable to keep track of the current Device mode USB state.

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Added new Endpoint_ClearStatusStage() convenience function to assist with the status stages of control transfers.

Removed vague USB_IsConnected global - test USB_DeviceState or USB_HostState explicitly to gain previous functionality.

Removed USB_IsSuspended global - test USB_DeviceState against DEVICE_STATE_Suspended instead.

Fixed possible enumeration errors from spinloops which may fail to exit if the USB connection is severed before the exit condition becomes true.
This commit is contained in:
Dean Camera 2009-07-21 13:31:21 +00:00
parent 44179abcf8
commit e071f3897a
58 changed files with 666 additions and 463 deletions
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11
Demos/Host/LowLevel/StillImageHost/StillImageHost.c
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@ -166,14 +166,11 @@ void StillImage_Task(void)
break;
}
puts_P(PSTR("Still Image Device Enumerated.\r\n"));
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
puts_P(PSTR("Still Image Device Enumerated.\r\n"));
USB_HostState = HOST_STATE_Ready;
break;
case HOST_STATE_Ready:
/* Indicate device busy via the status LEDs */
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
@ -331,9 +328,7 @@ void StillImage_Task(void)
/* Indicate device no longer busy */
LEDs_SetAllLEDs(LEDMASK_USB_READY);
/* Wait until USB device disconnected */
while (USB_IsConnected);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
}