\r
#if defined(USB_CAN_BE_HOST)\r
\r
+#define INCLUDE_FROM_HOST_C\r
#include "Host.h"\r
\r
+void USB_Host_ProcessNextHostState(void)\r
+{\r
+ uint8_t ErrorCode = HOST_ENUMERROR_NoError;\r
+ uint8_t SubErrorCode = HOST_ENUMERROR_NoError;\r
+\r
+ static uint16_t WaitMSRemaining;\r
+ static uint8_t PostWaitState;\r
+\r
+ switch (USB_HostState)\r
+ {\r
+ case HOST_STATE_WaitForDevice:\r
+ if (WaitMSRemaining)\r
+ {\r
+ if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)\r
+ {\r
+ USB_HostState = PostWaitState;\r
+ ErrorCode = HOST_ENUMERROR_WaitStage;\r
+ break;\r
+ }\r
+ \r
+ if (!(WaitMSRemaining--))\r
+ USB_HostState = PostWaitState;\r
+ }\r
+ \r
+ break;\r
+ case HOST_STATE_Attached:\r
+ WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS;\r
+ \r
+ USB_HostState = HOST_STATE_Attached_WaitForDeviceSettle;\r
+ break;\r
+ case HOST_STATE_Attached_WaitForDeviceSettle:\r
+ _delay_ms(1);\r
+\r
+ if (!(WaitMSRemaining--))\r
+ {\r
+ USB_Host_VBUS_Manual_Off();\r
+\r
+ USB_OTGPAD_On();\r
+ USB_Host_VBUS_Auto_Enable();\r
+ USB_Host_VBUS_Auto_On();\r
+ \r
+ USB_HostState = HOST_STATE_Attached_WaitForConnect;\r
+ }\r
+ \r
+ break;\r
+ case HOST_STATE_Attached_WaitForConnect: \r
+ if (USB_INT_HasOccurred(USB_INT_DCONNI))\r
+ { \r
+ USB_INT_Clear(USB_INT_DCONNI);\r
+ USB_INT_Clear(USB_INT_DDISCI);\r
+\r
+ USB_INT_Clear(USB_INT_VBERRI);\r
+ USB_INT_Enable(USB_INT_VBERRI);\r
+\r
+ USB_IsConnected = true;\r
+ RAISE_EVENT(USB_Connect);\r
+ \r
+ USB_Host_ResumeBus();\r
+ Pipe_ClearPipes();\r
+ \r
+ HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Attached_DoReset);\r
+ }\r
+\r
+ break;\r
+ case HOST_STATE_Attached_DoReset:\r
+ USB_Host_ResetDevice();\r
+\r
+ HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered);\r
+ break;\r
+ case HOST_STATE_Powered:\r
+ Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL,\r
+ PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP,\r
+ PIPE_CONTROLPIPE_DEFAULT_SIZE, PIPE_BANK_SINGLE); \r
+ \r
+ if (!(Pipe_IsConfigured()))\r
+ {\r
+ ErrorCode = HOST_ENUMERROR_PipeConfigError;\r
+ SubErrorCode = 0;\r
+ break;\r
+ }\r
+\r
+ USB_HostState = HOST_STATE_Default;\r
+ break;\r
+ case HOST_STATE_Default:\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
+ {\r
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),\r
+ .bRequest = REQ_GetDescriptor,\r
+ .wValue = (DTYPE_Device << 8),\r
+ .wIndex = 0,\r
+ .wLength = 8,\r
+ };\r
+\r
+ uint8_t DataBuffer[8];\r
+\r
+ if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ ErrorCode = HOST_ENUMERROR_ControlError;\r
+ break;\r
+ }\r
+\r
+ #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)\r
+ USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)];\r
+ #else\r
+ USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, bMaxPacketSize0)]; \r
+ #endif\r
+ \r
+ USB_Host_ResetDevice();\r
+ \r
+ HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset);\r
+ break;\r
+ case HOST_STATE_Default_PostReset:\r
+ Pipe_DisablePipe();\r
+ Pipe_DeallocateMemory(); \r
+ Pipe_ResetPipe(PIPE_CONTROLPIPE);\r
+ \r
+ Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL,\r
+ PIPE_TOKEN_SETUP, ENDPOINT_CONTROLEP,\r
+ USB_ControlPipeSize, PIPE_BANK_SINGLE);\r
+\r
+ if (!(Pipe_IsConfigured()))\r
+ {\r
+ ErrorCode = HOST_ENUMERROR_PipeConfigError;\r
+ SubErrorCode = 0;\r
+ break;\r
+ }\r
+\r
+ Pipe_SetInfiniteINRequests();\r
+ \r
+ USB_ControlRequest = (USB_Request_Header_t)\r
+ {\r
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
+ .bRequest = REQ_SetAddress,\r
+ .wValue = USB_HOST_DEVICEADDRESS,\r
+ .wIndex = 0,\r
+ .wLength = 0,\r
+ };\r
+\r
+ if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ ErrorCode = HOST_ENUMERROR_ControlError;\r
+ break;\r
+ }\r
+\r
+ HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet);\r
+ break;\r
+ case HOST_STATE_Default_PostAddressSet:\r
+ USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS);\r
+\r
+ RAISE_EVENT(USB_DeviceEnumerationComplete);\r
+ USB_HostState = HOST_STATE_Addressed;\r
+\r
+ break;\r
+ }\r
+\r
+ if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached))\r
+ {\r
+ RAISE_EVENT(USB_DeviceEnumerationFailed, ErrorCode, SubErrorCode);\r
+\r
+ USB_Host_VBUS_Auto_Off();\r
+\r
+ RAISE_EVENT(USB_DeviceUnattached);\r
+ \r
+ if (USB_IsConnected)\r
+ RAISE_EVENT(USB_Disconnect);\r
+\r
+ USB_ResetInterface();\r
+ }\r
+}\r
+\r
uint8_t USB_Host_WaitMS(uint8_t MS)\r
{\r
bool BusSuspended = USB_Host_IsBusSuspended();\r
return ErrorCode;\r
}\r
\r
-void USB_Host_ResetDevice(void)\r
+static void USB_Host_ResetDevice(void)\r
{\r
bool BusSuspended = USB_Host_IsBusSuspended();\r
\r
projects / pub / USBasp.git / blobdiff