diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2009-05-13 14:13:57 +0000 |
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committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-05-13 14:13:57 +0000 |
commit | 4904b10ef689a11b420c0a32da747533f4378712 (patch) | |
tree | 23dc4404afedee73a51d4c53791e199e4d785d01 /LUFA/Drivers/USB/HighLevel/USBTask.c | |
parent | da007db18d255d907938e6759735d75287b4862a (diff) | |
download | lufa-4904b10ef689a11b420c0a32da747533f4378712.tar.gz lufa-4904b10ef689a11b420c0a32da747533f4378712.tar.bz2 lufa-4904b10ef689a11b420c0a32da747533f4378712.zip |
Moved USB Host state machine code out from USBTask.c and into Host.c, where it more properly belongs.
Diffstat (limited to 'LUFA/Drivers/USB/HighLevel/USBTask.c')
-rw-r--r-- | LUFA/Drivers/USB/HighLevel/USBTask.c | 171 |
1 files changed, 2 insertions, 169 deletions
diff --git a/LUFA/Drivers/USB/HighLevel/USBTask.c b/LUFA/Drivers/USB/HighLevel/USBTask.c index 5202cc834..e2b7e91d5 100644 --- a/LUFA/Drivers/USB/HighLevel/USBTask.c +++ b/LUFA/Drivers/USB/HighLevel/USBTask.c @@ -81,178 +81,11 @@ static void USB_DeviceTask(void) #if defined(USB_CAN_BE_HOST)
static void USB_HostTask(void)
{
- uint8_t ErrorCode = HOST_ENUMERROR_NoError;
- uint8_t SubErrorCode = HOST_ENUMERROR_NoError;
- uint8_t PrevPipe = Pipe_GetCurrentPipe();
+ uint8_t PrevPipe = Pipe_GetCurrentPipe();
- static uint16_t WaitMSRemaining;
- static uint8_t PostWaitState;
-
Pipe_SelectPipe(PIPE_CONTROLPIPE);
- switch (USB_HostState)
- {
- case HOST_STATE_WaitForDevice:
- if (WaitMSRemaining)
- {
- if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
- {
- USB_HostState = PostWaitState;
- ErrorCode = HOST_ENUMERROR_WaitStage;
- break;
- }
-
- WaitMSRemaining--;
- }
- else
- {
- USB_HostState = PostWaitState;
- }
-
- break;
- case HOST_STATE_Attached:
- WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS;
-
- USB_HostState = HOST_STATE_Attached_WaitForDeviceSettle;
- break;
- case HOST_STATE_Attached_WaitForDeviceSettle:
- _delay_ms(1);
-
- if (!(WaitMSRemaining--))
- {
- USB_Host_VBUS_Manual_Off();
-
- USB_OTGPAD_On();
- USB_Host_VBUS_Auto_Enable();
- USB_Host_VBUS_Auto_On();
-
- USB_HostState = HOST_STATE_Attached_WaitForConnect;
- }
-
- break;
- case HOST_STATE_Attached_WaitForConnect:
- if (USB_INT_HasOccurred(USB_INT_DCONNI))
- {
- USB_INT_Clear(USB_INT_DCONNI);
- USB_INT_Clear(USB_INT_DDISCI);
-
- USB_INT_Clear(USB_INT_VBERRI);
- USB_INT_Enable(USB_INT_VBERRI);
-
- USB_IsConnected = true;
- RAISE_EVENT(USB_Connect);
-
- USB_Host_ResumeBus();
- Pipe_ClearPipes();
-
- HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Attached_DoReset);
- }
-
- break;
- case HOST_STATE_Attached_DoReset:
- USB_Host_ResetDevice();
-
- HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered);
- break;
- case HOST_STATE_Powered:
- Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL,
- PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP,
- PIPE_CONTROLPIPE_DEFAULT_SIZE, PIPE_BANK_SINGLE);
-
- if (!(Pipe_IsConfigured()))
- {
- ErrorCode = HOST_ENUMERROR_PipeConfigError;
- SubErrorCode = 0;
- break;
- }
-
- USB_HostState = HOST_STATE_Default;
- break;
- case HOST_STATE_Default:
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),
- .bRequest = REQ_GetDescriptor,
- .wValue = (DTYPE_Device << 8),
- .wIndex = 0,
- .wLength = 8,
- };
-
- uint8_t DataBuffer[8];
-
- if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful)
- {
- ErrorCode = HOST_ENUMERROR_ControlError;
- break;
- }
-
- #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
- USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)];
- #else
- USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, bMaxPacketSize0)];
- #endif
-
- USB_Host_ResetDevice();
-
- HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset);
- break;
- case HOST_STATE_Default_PostReset:
- Pipe_DisablePipe();
- Pipe_DeallocateMemory();
- Pipe_ResetPipe(PIPE_CONTROLPIPE);
-
- Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL,
- PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP,
- USB_ControlPipeSize, PIPE_BANK_SINGLE);
-
- if (!(Pipe_IsConfigured()))
- {
- ErrorCode = HOST_ENUMERROR_PipeConfigError;
- SubErrorCode = 0;
- break;
- }
-
- Pipe_SetInfiniteINRequests();
-
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),
- .bRequest = REQ_SetAddress,
- .wValue = USB_HOST_DEVICEADDRESS,
- .wIndex = 0,
- .wLength = 0,
- };
-
- if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
- {
- ErrorCode = HOST_ENUMERROR_ControlError;
- break;
- }
-
- HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet);
- break;
- case HOST_STATE_Default_PostAddressSet:
- USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS);
-
- RAISE_EVENT(USB_DeviceEnumerationComplete);
- USB_HostState = HOST_STATE_Addressed;
-
- break;
- }
-
- if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached))
- {
- RAISE_EVENT(USB_DeviceEnumerationFailed, ErrorCode, SubErrorCode);
-
- USB_Host_VBUS_Auto_Off();
-
- RAISE_EVENT(USB_DeviceUnattached);
-
- if (USB_IsConnected)
- RAISE_EVENT(USB_Disconnect);
-
- USB_ResetInterface();
- }
+ USB_Host_ProcessNextHostState();
Pipe_SelectPipe(PrevPipe);
}
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