You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
396 lines
10 KiB
396 lines
10 KiB
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2010.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.fourwalledcubicle.com
|
|
*/
|
|
|
|
/*
|
|
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
|
|
|
Permission to use, copy, modify, distribute, and sell this
|
|
software and its documentation for any purpose is hereby granted
|
|
without fee, provided that the above copyright notice appear in
|
|
all copies and that both that the copyright notice and this
|
|
permission notice and warranty disclaimer appear in supporting
|
|
documentation, and that the name of the author not be used in
|
|
advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
|
|
The author disclaim all warranties with regard to this
|
|
software, including all implied warranties of merchantability
|
|
and fitness. In no event shall the author be liable for any
|
|
special, indirect or consequential damages or any damages
|
|
whatsoever resulting from loss of use, data or profits, whether
|
|
in an action of contract, negligence or other tortious action,
|
|
arising out of or in connection with the use or performance of
|
|
this software.
|
|
*/
|
|
|
|
#define __INCLUDE_FROM_USB_DRIVER
|
|
#include "../HighLevel/USBMode.h"
|
|
|
|
#if defined(USB_CAN_BE_DEVICE)
|
|
|
|
#define __INCLUDE_FROM_DEVCHAPTER9_C
|
|
#include "DevChapter9.h"
|
|
|
|
uint8_t USB_ConfigurationNumber;
|
|
|
|
#if !defined(NO_DEVICE_SELF_POWER)
|
|
bool USB_CurrentlySelfPowered;
|
|
#endif
|
|
|
|
#if !defined(NO_DEVICE_REMOTE_WAKEUP)
|
|
bool USB_RemoteWakeupEnabled;
|
|
#endif
|
|
|
|
void USB_Device_ProcessControlRequest(void)
|
|
{
|
|
bool RequestHandled = false;
|
|
uint8_t* RequestHeader = (uint8_t*)&USB_ControlRequest;
|
|
|
|
for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++)
|
|
*(RequestHeader++) = Endpoint_Read_Byte();
|
|
|
|
uint8_t bmRequestType = USB_ControlRequest.bmRequestType;
|
|
|
|
switch (USB_ControlRequest.bRequest)
|
|
{
|
|
case REQ_GetStatus:
|
|
if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
|
|
(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT)))
|
|
{
|
|
USB_Device_GetStatus();
|
|
RequestHandled = true;
|
|
}
|
|
|
|
break;
|
|
case REQ_ClearFeature:
|
|
case REQ_SetFeature:
|
|
if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) ||
|
|
(bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT)))
|
|
{
|
|
USB_Device_ClearSetFeature();
|
|
RequestHandled = true;
|
|
}
|
|
|
|
break;
|
|
case REQ_SetAddress:
|
|
if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
|
|
{
|
|
USB_Device_SetAddress();
|
|
RequestHandled = true;
|
|
}
|
|
|
|
break;
|
|
case REQ_GetDescriptor:
|
|
if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
|
|
(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE)))
|
|
{
|
|
USB_Device_GetDescriptor();
|
|
RequestHandled = true;
|
|
}
|
|
|
|
break;
|
|
case REQ_GetConfiguration:
|
|
if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE))
|
|
{
|
|
USB_Device_GetConfiguration();
|
|
RequestHandled = true;
|
|
}
|
|
|
|
break;
|
|
case REQ_SetConfiguration:
|
|
if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
|
|
{
|
|
USB_Device_SetConfiguration();
|
|
RequestHandled = true;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
if (!(RequestHandled))
|
|
EVENT_USB_Device_UnhandledControlRequest();
|
|
|
|
if (Endpoint_IsSETUPReceived())
|
|
{
|
|
Endpoint_StallTransaction();
|
|
Endpoint_ClearSETUP();
|
|
}
|
|
}
|
|
|
|
static void USB_Device_SetAddress(void)
|
|
{
|
|
uint8_t DeviceAddress = (USB_ControlRequest.wValue & 0x7F);
|
|
|
|
Endpoint_ClearSETUP();
|
|
|
|
Endpoint_ClearStatusStage();
|
|
|
|
while (!(Endpoint_IsINReady()))
|
|
{
|
|
if (USB_DeviceState == DEVICE_STATE_Unattached)
|
|
return;
|
|
}
|
|
|
|
USB_DeviceState = (DeviceAddress) ? DEVICE_STATE_Addressed : DEVICE_STATE_Default;
|
|
|
|
UDADDR = ((1 << ADDEN) | DeviceAddress);
|
|
|
|
return;
|
|
}
|
|
|
|
static void USB_Device_SetConfiguration(void)
|
|
{
|
|
#if defined(FIXED_NUM_CONFIGURATIONS)
|
|
if ((uint8_t)USB_ControlRequest.wValue > FIXED_NUM_CONFIGURATIONS)
|
|
return;
|
|
#else
|
|
#if defined(USE_FLASH_DESCRIPTORS)
|
|
#define MemoryAddressSpace MEMSPACE_FLASH
|
|
#elif defined(USE_EEPROM_DESCRIPTORS)
|
|
#define MemoryAddressSpace MEMSPACE_EEPROM
|
|
#elif defined(USE_SRAM_DESCRIPTORS)
|
|
#define MemoryAddressSpace MEMSPACE_SRAM
|
|
#else
|
|
uint8_t MemoryAddressSpace;
|
|
#endif
|
|
|
|
USB_Descriptor_Device_t* DevDescriptorPtr;
|
|
|
|
if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DevDescriptorPtr
|
|
#if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
|
|
, &MemoryAddressSpace
|
|
#endif
|
|
) == NO_DESCRIPTOR)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (MemoryAddressSpace == MEMSPACE_FLASH)
|
|
{
|
|
if (((uint8_t)USB_ControlRequest.wValue > pgm_read_byte(&DevDescriptorPtr->NumberOfConfigurations)))
|
|
return;
|
|
}
|
|
else if (MemoryAddressSpace == MEMSPACE_EEPROM)
|
|
{
|
|
if (((uint8_t)USB_ControlRequest.wValue > eeprom_read_byte(&DevDescriptorPtr->NumberOfConfigurations)))
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if ((uint8_t)USB_ControlRequest.wValue > DevDescriptorPtr->NumberOfConfigurations)
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
Endpoint_ClearSETUP();
|
|
|
|
USB_ConfigurationNumber = (uint8_t)USB_ControlRequest.wValue;
|
|
|
|
Endpoint_ClearStatusStage();
|
|
|
|
USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Addressed;
|
|
|
|
EVENT_USB_Device_ConfigurationChanged();
|
|
}
|
|
|
|
void USB_Device_GetConfiguration(void)
|
|
{
|
|
Endpoint_ClearSETUP();
|
|
|
|
Endpoint_Write_Byte(USB_ConfigurationNumber);
|
|
Endpoint_ClearIN();
|
|
|
|
Endpoint_ClearStatusStage();
|
|
}
|
|
|
|
#if !defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
|
|
static char USB_Device_NibbleToASCII(uint8_t Nibble)
|
|
{
|
|
Nibble = ((Nibble & 0x0F) + '0');
|
|
return (Nibble > '9') ? (Nibble + ('A' - '9' - 1)) : Nibble;
|
|
}
|
|
|
|
static void USB_Device_GetInternalSerialDescriptor(void)
|
|
{
|
|
struct
|
|
{
|
|
USB_Descriptor_Header_t Header;
|
|
int16_t UnicodeString[20];
|
|
} SignatureDescriptor;
|
|
|
|
SignatureDescriptor.Header.Type = DTYPE_String;
|
|
SignatureDescriptor.Header.Size = sizeof(SignatureDescriptor);
|
|
|
|
uint8_t SigReadAddress = 0x0E;
|
|
|
|
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
|
|
{
|
|
for (uint8_t SerialCharNum = 0; SerialCharNum < 20; SerialCharNum++)
|
|
{
|
|
uint8_t SerialByte = boot_signature_byte_get(SigReadAddress);
|
|
|
|
if (SerialCharNum & 0x01)
|
|
{
|
|
SerialByte >>= 4;
|
|
SigReadAddress++;
|
|
}
|
|
|
|
SignatureDescriptor.UnicodeString[SerialCharNum] = USB_Device_NibbleToASCII(SerialByte);
|
|
}
|
|
}
|
|
|
|
Endpoint_ClearSETUP();
|
|
|
|
Endpoint_Write_Control_Stream_LE(&SignatureDescriptor, sizeof(SignatureDescriptor));
|
|
|
|
Endpoint_ClearOUT();
|
|
}
|
|
#endif
|
|
|
|
static void USB_Device_GetDescriptor(void)
|
|
{
|
|
void* DescriptorPointer;
|
|
uint16_t DescriptorSize;
|
|
|
|
#if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
|
|
uint8_t DescriptorAddressSpace;
|
|
#endif
|
|
|
|
#if !defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
|
|
if (USB_ControlRequest.wValue == ((DTYPE_String << 8) | USE_INTERNAL_SERIAL))
|
|
{
|
|
USB_Device_GetInternalSerialDescriptor();
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if ((DescriptorSize = CALLBACK_USB_GetDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex,
|
|
&DescriptorPointer
|
|
#if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
|
|
, &DescriptorAddressSpace
|
|
#endif
|
|
)) == NO_DESCRIPTOR)
|
|
{
|
|
return;
|
|
}
|
|
|
|
Endpoint_ClearSETUP();
|
|
|
|
#if defined(USE_RAM_DESCRIPTORS)
|
|
Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
|
|
#elif defined(USE_EEPROM_DESCRIPTORS)
|
|
Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
|
|
#elif defined(USE_FLASH_DESCRIPTORS)
|
|
Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
|
|
#else
|
|
if (DescriptorAddressSpace == MEMSPACE_FLASH)
|
|
Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
|
|
else if (DescriptorAddressSpace == MEMSPACE_EEPROM)
|
|
Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
|
|
else
|
|
Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
|
|
#endif
|
|
|
|
Endpoint_ClearOUT();
|
|
}
|
|
|
|
static void USB_Device_GetStatus(void)
|
|
{
|
|
uint8_t CurrentStatus = 0;
|
|
|
|
switch (USB_ControlRequest.bmRequestType)
|
|
{
|
|
#if !defined(NO_DEVICE_SELF_POWER) || !defined(NO_DEVICE_REMOTE_WAKEUP)
|
|
case (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE):
|
|
#if !defined(NO_DEVICE_SELF_POWER)
|
|
if (USB_CurrentlySelfPowered)
|
|
CurrentStatus |= FEATURE_SELFPOWERED_ENABLED;
|
|
#endif
|
|
|
|
#if !defined(NO_DEVICE_REMOTE_WAKEUP)
|
|
if (USB_RemoteWakeupEnabled)
|
|
CurrentStatus |= FEATURE_REMOTE_WAKEUP_ENABLED;
|
|
#endif
|
|
break;
|
|
#endif
|
|
#if !defined(CONTROL_ONLY_DEVICE)
|
|
case (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT):
|
|
Endpoint_SelectEndpoint((uint8_t)USB_ControlRequest.wIndex & ENDPOINT_EPNUM_MASK);
|
|
|
|
CurrentStatus = Endpoint_IsStalled();
|
|
|
|
Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
|
|
|
|
break;
|
|
#endif
|
|
default:
|
|
return;
|
|
}
|
|
|
|
Endpoint_ClearSETUP();
|
|
|
|
Endpoint_Write_Word_LE(CurrentStatus);
|
|
Endpoint_ClearIN();
|
|
|
|
Endpoint_ClearStatusStage();
|
|
}
|
|
|
|
static void USB_Device_ClearSetFeature(void)
|
|
{
|
|
switch (USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT)
|
|
{
|
|
#if !defined(NO_DEVICE_REMOTE_WAKEUP)
|
|
case REQREC_DEVICE:
|
|
if ((uint8_t)USB_ControlRequest.wValue == FEATURE_REMOTE_WAKEUP)
|
|
USB_RemoteWakeupEnabled = (USB_ControlRequest.bRequest == REQ_SetFeature);
|
|
else
|
|
return;
|
|
|
|
break;
|
|
#endif
|
|
#if !defined(CONTROL_ONLY_DEVICE)
|
|
case REQREC_ENDPOINT:
|
|
if ((uint8_t)USB_ControlRequest.wValue == FEATURE_ENDPOINT_HALT)
|
|
{
|
|
uint8_t EndpointIndex = ((uint8_t)USB_ControlRequest.wIndex & ENDPOINT_EPNUM_MASK);
|
|
|
|
if (EndpointIndex == ENDPOINT_CONTROLEP)
|
|
return;
|
|
|
|
Endpoint_SelectEndpoint(EndpointIndex);
|
|
|
|
if (!(Endpoint_IsEnabled()))
|
|
return;
|
|
|
|
if (USB_ControlRequest.bRequest == REQ_SetFeature)
|
|
{
|
|
Endpoint_StallTransaction();
|
|
}
|
|
else
|
|
{
|
|
Endpoint_ClearStall();
|
|
Endpoint_ResetFIFO(EndpointIndex);
|
|
Endpoint_ResetDataToggle();
|
|
}
|
|
}
|
|
|
|
break;
|
|
#endif
|
|
default:
|
|
return;
|
|
}
|
|
|
|
Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
|
|
|
|
Endpoint_ClearSETUP();
|
|
|
|
Endpoint_ClearStatusStage();
|
|
}
|
|
|
|
#endif
|