/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
* routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
* with compatible devices.
*
* This routine searches for a HID interface descriptor containing at least one Interrupt type IN endpoint.
*
* \return An error code from the MouseHostViaInt_GetConfigDescriptorDataCodes_t enum.
*/
uint8_t ProcessConfigurationDescriptor(void)
{
uint8_t* ConfigDescriptorData;
uint16_t ConfigDescriptorSize;
/* Get Configuration Descriptor size from the device */
if (USB_Host_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
return ControlError;
/* Ensure that the Configuration Descriptor isn't too large */
if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)
return DescriptorTooLarge;
/* Allocate enough memory for the entire config descriptor */
ConfigDescriptorData = alloca(ConfigDescriptorSize);
/* Retrieve the entire configuration descriptor into the allocated buffer */
USB_Host_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);
/* Validate returned data - ensure first entry is a configuration header descriptor */
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return InvalidConfigDataReturned;
/* Get the mouse interface from the configuration descriptor */
if (USB_Host_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, NextMouseInterface))
{
/* Descriptor not found, error out */
return NoHIDInterfaceFound;
}
/* Get the mouse interface's data endpoint descriptor */
if (USB_Host_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
NextInterfaceMouseDataEndpoint))
{
/* Descriptor not found, error out */
return NoEndpointFound;
}
/* Retrieve the endpoint address from the endpoint descriptor */
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
/* Configure the mouse data pipe */
Pipe_ConfigurePipe(MOUSE_DATAPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
Pipe_SetInfiniteINRequests();
Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
Pipe_Unfreeze();
/* Enable the pipe IN interrupt for the data pipe */
USB_INT_Enable(PIPE_INT_IN);
/* Valid data found, return success */
return SuccessfulConfigRead;
}
bool Pipe_ConfigurePipe(const uint8_t Number, const uint8_t Type, const uint8_t Token, const uint8_t EndpointNumber,
const uint16_t Size, const uint8_t Banks)
{
Pipe_SelectPipe(Number);
Pipe_EnablePipe();
UPCFG1X = 0;
UPCFG0X = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0));
UPCFG1X = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size));
Pipe_SetInfiniteINRequests();
return Pipe_IsConfigured();
}
bool Pipe_ConfigurePipe(const uint8_t Number,
const uint8_t Type,
const uint8_t Token,
const uint8_t EndpointNumber,
const uint16_t Size,
const uint8_t Banks)
{
Pipe_SelectPipe(Number);
Pipe_EnablePipe();
(&AVR32_USBB.upcfg0)[Number] = 0;
(&AVR32_USBB.upcfg0)[Number] = (AVR32_USBB_ALLOC_MASK |
((uint32_t)Type << AVR32_USBB_PTYPE_OFFSET) |
((uint32_t)Token << AVR32_USBB_PTOKEN_OFFSET) |
((uint32_t)Banks << AVR32_USBB_PBK_OFFSET) |
((EndpointNumber & PIPE_EPNUM_MASK) << AVR32_USBB_PEPNUM_OFFSET));
USB_PipeFIFOPos[Number] = &AVR32_USBB_SLAVE[Number * 0x10000];
Pipe_SetInfiniteINRequests();
return Pipe_IsConfigured();
}
/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
* routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
* with compatible devices.
*
* This routine searches for a HID interface descriptor containing at least one Interrupt type IN endpoint and HID descriptor.
*
* \return An error code from the KeyboardHostWithParser_GetConfigDescriptorDataCodes_t enum.
*/
uint8_t ProcessConfigurationDescriptor(void)
{
uint8_t* ConfigDescriptorData;
uint16_t ConfigDescriptorSize;
/* Get Configuration Descriptor size from the device */
if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
return ControlError;
/* Ensure that the Configuration Descriptor isn't too large */
if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)
return DescriptorTooLarge;
/* Allocate enough memory for the entire config descriptor */
ConfigDescriptorData = alloca(ConfigDescriptorSize);
/* Retrieve the entire configuration descriptor into the allocated buffer */
USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);
/* Validate returned data - ensure first entry is a configuration header descriptor */
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return InvalidConfigDataReturned;
/* Get the keyboard interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextKeyboardInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoHIDInterfaceFound;
}
/* Get the keyboard interface's HID descriptor */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoHIDDescriptorFound;
}
/* Save the HID report size for later use */
HIDReportSize = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_HID_t).HIDReportLength;
/* Get the keyboard interface's data endpoint descriptor */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextInterfaceKeyboardDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoEndpointFound;
}
/* Retrieve the endpoint address from the endpoint descriptor */
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
/* Configure the keyboard data pipe */
Pipe_ConfigurePipe(KEYBOARD_DATAPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
Pipe_SetInfiniteINRequests();
/* Valid data found, return success */
return SuccessfulConfigRead;
}
bool Pipe_ConfigurePipe(const uint8_t Address,
const uint8_t Type,
const uint8_t EndpointAddress,
const uint16_t Size,
const uint8_t Banks)
{
uint8_t Number = (Address & PIPE_EPNUM_MASK);
uint8_t Token = (Address & PIPE_DIR_IN) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT;
if (Number >= PIPE_TOTAL_PIPES)
return false;
if (Type == EP_TYPE_CONTROL)
Token = PIPE_TOKEN_SETUP;
#if defined(ORDERED_EP_CONFIG)
Pipe_SelectPipe(Number);
Pipe_EnablePipe();
UPCFG1X = 0;
UPCFG0X = ((Type << EPTYPE0) | Token | ((EndpointAddress & PIPE_EPNUM_MASK) << PEPNUM0));
UPCFG1X = ((1 << ALLOC) | ((Banks > 1) ? (1 << EPBK0) : 0) | Pipe_BytesToEPSizeMask(Size));
Pipe_SetInfiniteINRequests();
return Pipe_IsConfigured();
#else
for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++)
{
uint8_t UPCFG0XTemp;
uint8_t UPCFG1XTemp;
uint8_t UPCFG2XTemp;
uint8_t UPIENXTemp;
Pipe_SelectPipe(PNum);
if (PNum == Number)
{
UPCFG0XTemp = ((Type << EPTYPE0) | Token | ((EndpointAddress & PIPE_EPNUM_MASK) << PEPNUM0));
UPCFG1XTemp = ((1 << ALLOC) | ((Banks > 1) ? (1 << EPBK0) : 0) | Pipe_BytesToEPSizeMask(Size));
UPCFG2XTemp = 0;
UPIENXTemp = 0;
}
else
{
UPCFG0XTemp = UPCFG0X;
UPCFG1XTemp = UPCFG1X;
UPCFG2XTemp = UPCFG2X;
UPIENXTemp = UPIENX;
}
if (!(UPCFG1XTemp & (1 << ALLOC)))
continue;
Pipe_DisablePipe();
UPCFG1X &= ~(1 << ALLOC);
Pipe_EnablePipe();
UPCFG0X = UPCFG0XTemp;
UPCFG1X = UPCFG1XTemp;
UPCFG2X = UPCFG2XTemp;
UPIENX = UPIENXTemp;
Pipe_SetInfiniteINRequests();
if (!(Pipe_IsConfigured()))
return false;
}
Pipe_SelectPipe(Number);
return true;
#endif
}
bool Pipe_ConfigurePipe(const uint8_t Address,
const uint8_t Type,
const uint8_t EndpointAddress,
const uint16_t Size,
const uint8_t Banks)
{
uint8_t Number = (Address & PIPE_EPNUM_MASK);
uint8_t Token = (Address & PIPE_DIR_IN) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT;
if (Number >= PIPE_TOTAL_PIPES)
return false;
if (Type == EP_TYPE_CONTROL)
Token = PIPE_TOKEN_SETUP;
USB_Pipe_FIFOPos[Number] = &AVR32_USBB_SLAVE[Number * PIPE_HSB_ADDRESS_SPACE_SIZE];
#if defined(ORDERED_EP_CONFIG)
Pipe_SelectPipe(Number);
Pipe_EnablePipe();
(&AVR32_USBB.upcfg0)[Number] = 0;
(&AVR32_USBB.upcfg0)[Number] = (AVR32_USBB_ALLOC_MASK |
((uint32_t)Type << AVR32_USBB_PTYPE_OFFSET) |
((uint32_t)Token << AVR32_USBB_PTOKEN_OFFSET) |
((Banks > 1) ? AVR32_USBB_PBK_MASK : 0) |
Pipe_BytesToEPSizeMask(Size) |
((uint32_t)Number << AVR32_USBB_PEPNUM_OFFSET));
Pipe_SetInfiniteINRequests();
return Pipe_IsConfigured();
#else
for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++)
{
uint32_t UPCFG0Temp;
Pipe_SelectPipe(PNum);
if (PNum == Number)
{
UPCFG0Temp = (AVR32_USBB_ALLOC_MASK |
((uint32_t)Type << AVR32_USBB_PTYPE_OFFSET) |
((uint32_t)Token << AVR32_USBB_PTOKEN_OFFSET) |
((Banks > 1) ? AVR32_USBB_PBK_MASK : 0) |
Pipe_BytesToEPSizeMask(Size) |
((EndpointAddress & PIPE_EPNUM_MASK) << AVR32_USBB_PEPNUM_OFFSET));
}
else
{
UPCFG0Temp = (&AVR32_USBB.upcfg0)[PNum];
}
if (!(UPCFG0Temp & AVR32_USBB_ALLOC_MASK))
continue;
Pipe_DisablePipe();
(&AVR32_USBB.upcfg0)[PNum] &= ~AVR32_USBB_ALLOC_MASK;
Pipe_EnablePipe();
(&AVR32_USBB.upcfg0)[PNum] = UPCFG0Temp;
Pipe_SetInfiniteINRequests();
if (!(Pipe_IsConfigured()))
return false;
}
Pipe_SelectPipe(Number);
return true;
#endif
}
bool Pipe_ConfigurePipe(const uint8_t Number,
const uint8_t Type,
const uint8_t Token,
const uint8_t EndpointNumber,
const uint16_t Size,
const uint8_t Banks)
{
#if defined(ORDERED_EP_CONFIG)
Pipe_SelectPipe(Number);
Pipe_EnablePipe();
(&AVR32_USBB.upcfg0)[Number] = 0;
(&AVR32_USBB.upcfg0)[Number] = (AVR32_USBB_ALLOC_MASK |
((uint32_t)Type << AVR32_USBB_PTYPE_OFFSET) |
((uint32_t)Token << AVR32_USBB_PTOKEN_OFFSET) |
((uint32_t)Banks << AVR32_USBB_PBK_OFFSET) |
((EndpointNumber & PIPE_EPNUM_MASK) << AVR32_USBB_PEPNUM_OFFSET));
USB_PipeFIFOPos[Number] = &AVR32_USBB_SLAVE[Number * 0x10000];
Pipe_SetInfiniteINRequests();
return Pipe_IsConfigured();
#else
for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++)
{
uint8_t UPCFG0Temp;
Pipe_SelectPipe(PNum);
if (PNum == Number)
{
UPCFG0Temp = (AVR32_USBB_ALLOC_MASK |
((uint32_t)Type << AVR32_USBB_PTYPE_OFFSET) |
((uint32_t)Token << AVR32_USBB_PTOKEN_OFFSET) |
((uint32_t)Banks << AVR32_USBB_PBK_OFFSET) |
((EndpointNumber & PIPE_EPNUM_MASK) << AVR32_USBB_PEPNUM_OFFSET));
}
else
{
UPCFG0Temp = (&AVR32_USBB.upcfg0)[PNum]
}
if (!(UPCFG0Temp & AVR32_USBB_ALLOC_MASK))
continue;
Pipe_DisablePipe();
(&AVR32_USBB.upcfg0)[PNum] &= ~AVR32_USBB_ALLOC_MASK;
Pipe_EnablePipe();
(&AVR32_USBB.upcfg0)[PNum] = UPCFG0Temp;
Pipe_SetInfiniteINRequests();
if (!(Pipe_IsConfigured()))
return false;
}
Pipe_SelectPipe(Number);
return true;
#endif
}
bool Pipe_ConfigurePipe(const uint8_t Number,
const uint8_t Type,
const uint8_t Token,
const uint8_t EndpointNumber,
const uint16_t Size,
const uint8_t Banks)
{
#if defined(ORDERED_EP_CONFIG)
Pipe_SelectPipe(Number);
Pipe_EnablePipe();
UPCFG1X = 0;
UPCFG0X = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0));
UPCFG1X = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size));
Pipe_SetInfiniteINRequests();
return Pipe_IsConfigured();
#else
for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++)
{
uint8_t UPCFG0XTemp;
uint8_t UPCFG1XTemp;
uint8_t UPCFG2XTemp;
uint8_t UPCONXTemp;
uint8_t UPINRQXTemp;
uint8_t UPIENXTemp;
Pipe_SelectPipe(PNum);
if (PNum == Number)
{
UPCFG0XTemp = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0));
UPCFG1XTemp = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size));
UPCFG2XTemp = 0;
UPCONXTemp = ((1 << PEN) | (1 << INMODE));
UPINRQXTemp = 0;
UPIENXTemp = 0;
}
else
{
UPCFG0XTemp = UPCFG0X;
UPCFG1XTemp = UPCFG1X;
UPCFG2XTemp = UPCFG2X;
UPCONXTemp = UPCONX;
UPINRQXTemp = UPINRQX;
UPIENXTemp = UPIENX;
}
Pipe_SetInfiniteINRequests();
if (!(UPCFG1XTemp & (1 << ALLOC)))
continue;
Pipe_DisablePipe();
UPCFG1X &= (1 << ALLOC);
Pipe_EnablePipe();
UPCFG0X = UPCFG0XTemp;
UPCFG1X = UPCFG1XTemp;
UPCFG2X = UPCFG2XTemp;
UPCONX = UPCONXTemp;
UPINRQX = UPINRQXTemp;
UPIENX = UPIENXTemp;
if (!(Pipe_IsConfigured()))
return false;
}
Pipe_SelectPipe(Number);
return true;
#endif
}
/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
* routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
* with compatible devices.
*
* This routine searches for a CDC interface descriptor containing bulk data IN and OUT endpoints, and an interrupt event endpoint.
*
* \return An error code from the CDCHost_GetConfigDescriptorDataCodes_t enum.
*/
uint8_t ProcessConfigurationDescriptor(void)
{
uint8_t* ConfigDescriptorData;
uint16_t ConfigDescriptorSize;
uint8_t FoundEndpoints = 0;
/* Get Configuration Descriptor size from the device */
if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
return ControlError;
/* Ensure that the Configuration Descriptor isn't too large */
if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)
return DescriptorTooLarge;
/* Allocate enough memory for the entire config descriptor */
ConfigDescriptorData = alloca(ConfigDescriptorSize);
/* Retrieve the entire configuration descriptor into the allocated buffer */
USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);
/* Validate returned data - ensure first entry is a configuration header descriptor */
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return InvalidConfigDataReturned;
/* Get the CDC control interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCDCInterfaceFound;
}
/* Get the IN and OUT data endpoints for the CDC interface */
while (FoundEndpoints != ((1 << CDC_NOTIFICATIONPIPE) | (1 << CDC_DATAPIPE_IN) | (1 << CDC_DATAPIPE_OUT)))
{
/* Fetch the next bulk or interrupt endpoint from the current CDC interface */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Check to see if the control interface's notification pipe has been found, if so search for the data interface */
if (FoundEndpoints & (1 << CDC_NOTIFICATIONPIPE))
{
/* Get the next CDC data interface from the configuration descriptor (CDC class has two CDC interfaces) */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCDCInterfaceFound;
}
}
else
{
/* Clear the found endpoints mask, since any already processed endpoints aren't in the CDC interface we need */
FoundEndpoints = 0;
/* Disable any already configured pipes from the invalid CDC interfaces */
Pipe_SelectPipe(CDC_NOTIFICATIONPIPE);
Pipe_DisablePipe();
Pipe_SelectPipe(CDC_DATAPIPE_IN);
Pipe_DisablePipe();
Pipe_SelectPipe(CDC_DATAPIPE_OUT);
Pipe_DisablePipe();
/* Get the next CDC control interface from the configuration descriptor (CDC class has two CDC interfaces) */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCDCInterfaceFound;
}
}
/* Fetch the next bulk or interrupt endpoint from the current CDC interface */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoEndpointFound;
}
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
/* Check if the found endpoint is a interrupt or bulk type descriptor */
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
{
/* If the endpoint is a IN type interrupt endpoint */
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
{
/* Configure the notification pipe */
Pipe_ConfigurePipe(CDC_NOTIFICATIONPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
Pipe_SetInfiniteINRequests();
Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
/* Set the flag indicating that the notification pipe has been found */
FoundEndpoints |= (1 << CDC_NOTIFICATIONPIPE);
}
}
else
{
/* Check if the endpoint is a bulk IN or bulk OUT endpoint */
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
{
/* Configure the data IN pipe */
Pipe_ConfigurePipe(CDC_DATAPIPE_IN, EP_TYPE_BULK, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
Pipe_SetInfiniteINRequests();
Pipe_Unfreeze();
/* Set the flag indicating that the data IN pipe has been found */
FoundEndpoints |= (1 << CDC_DATAPIPE_IN);
}
else
{
/* Configure the data OUT pipe */
Pipe_ConfigurePipe(CDC_DATAPIPE_OUT, EP_TYPE_BULK, PIPE_TOKEN_OUT,
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
Pipe_Unfreeze();
/* Set the flag indicating that the data OUT pipe has been found */
FoundEndpoints |= (1 << CDC_DATAPIPE_OUT);
}
}
}
/* Valid data found, return success */
return SuccessfulConfigRead;
}
void Bluetooth_ProcessHCICommands(void)
{
uint8_t ErrorCode;
switch (Bluetooth_HCIProcessingState)
{
case Bluetooth_Init:
Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);
Pipe_SetInfiniteINRequests();
memset(&Bluetooth_Connection, 0x00, sizeof(Bluetooth_Connection));
Bluetooth_HCIProcessingState = Bluetooth_Init_Reset;
break;
case Bluetooth_Init_Reset:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_RESET},
ParameterLength: 0,
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Init_Reset", NULL);
ErrorCode = Bluetooth_SendHCICommand(NULL, 0);
do
{
while (!(Bluetooth_GetNextHCIEventHeader()));
Bluetooth_DiscardRemainingHCIEventParameters();
} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
Bluetooth_HCIProcessingState = Bluetooth_Init_ReadBufferSize;
break;
case Bluetooth_Init_ReadBufferSize:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_CTRLR_INFORMATIONAL, OCF: OGF_CTRLR_INFORMATIONAL_READBUFFERSIZE},
ParameterLength: 0,
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Init_ReadBufferSize", NULL);
ErrorCode = Bluetooth_SendHCICommand(NULL, 0);
do
{
while (!(Bluetooth_GetNextHCIEventHeader()));
Bluetooth_DiscardRemainingHCIEventParameters();
} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
Bluetooth_HCIProcessingState = Bluetooth_Init_SetEventMask;
break;
case Bluetooth_Init_SetEventMask:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_SET_EVENT_MASK},
ParameterLength: 8,
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetEventMask", NULL);
uint8_t EventMask[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
ErrorCode = Bluetooth_SendHCICommand(&EventMask, 8);
BT_DEBUG("(HCI) -- Event mask: 0x%02X%02X%02X%02X%02X%02X%02X%02X", EventMask[7], EventMask[6], EventMask[5], EventMask[4],
EventMask[3], EventMask[2], EventMask[1], EventMask[0]);
do
{
while (!(Bluetooth_GetNextHCIEventHeader()));
Bluetooth_DiscardRemainingHCIEventParameters();
} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
Bluetooth_HCIProcessingState = Bluetooth_Init_SetLocalName;
break;
case Bluetooth_Init_SetLocalName:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_LOCAL_NAME},
ParameterLength: 248,
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetLocalName", NULL);
BT_DEBUG("(HCI) -- Name: %s", Bluetooth_DeviceConfiguration.Name);
ErrorCode = Bluetooth_SendHCICommand(Bluetooth_DeviceConfiguration.Name, strlen(Bluetooth_DeviceConfiguration.Name));
do
{
while (!(Bluetooth_GetNextHCIEventHeader()));
Bluetooth_DiscardRemainingHCIEventParameters();
} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
Bluetooth_HCIProcessingState = Bluetooth_Init_SetDeviceClass;
break;
case Bluetooth_Init_SetDeviceClass:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_CLASS_OF_DEVICE},
ParameterLength: 3,
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetDeviceClass", NULL);
ErrorCode = Bluetooth_SendHCICommand(&Bluetooth_DeviceConfiguration.Class, 3);
do
{
while (!(Bluetooth_GetNextHCIEventHeader()));
Bluetooth_DiscardRemainingHCIEventParameters();
} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
Bluetooth_HCIProcessingState = Bluetooth_Init_WriteScanEnable;
break;
case Bluetooth_Init_WriteScanEnable:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_SCAN_ENABLE},
ParameterLength: 1,
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Init_WriteScanEnable", NULL);
uint8_t Interval = InquiryAndPageScans;
ErrorCode = Bluetooth_SendHCICommand(&Interval, 1);
do
{
while (!(Bluetooth_GetNextHCIEventHeader()));
Bluetooth_DiscardRemainingHCIEventParameters();
} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;
break;
case Bluetooth_PrepareToProcessEvents:
BT_DEBUG("(HCI) Enter State: Bluetooth_ProcessEvents", NULL);
Bluetooth_HCIProcessingState = Bluetooth_ProcessEvents;
break;
case Bluetooth_ProcessEvents:
if (Bluetooth_GetNextHCIEventHeader())
{
BT_DEBUG("(HCI) Event Code: 0x%02X", HCIEventHeader.EventCode);
if (HCIEventHeader.EventCode == EVENT_COMMAND_STATUS)
{
Bluetooth_HCIEvent_CommandStatus_Header_t CommandStatusHeader;
Pipe_Read_Stream_LE(&CommandStatusHeader, sizeof(CommandStatusHeader));
HCIEventHeader.ParameterLength -= sizeof(CommandStatusHeader);
BT_DEBUG("(HCI) >> Command status: 0x%02X", CommandStatusHeader.CommandStatus);
if (CommandStatusHeader.CommandStatus)
Bluetooth_HCIProcessingState = Bluetooth_Init;
}
else if (HCIEventHeader.EventCode == EVENT_CONNECTION_REQUEST)
{
Bluetooth_HCIEvent_ConnectionRequest_Header_t ConnectionRequestParams;
Pipe_Read_Stream_LE(&ConnectionRequestParams, sizeof(ConnectionRequestParams));
HCIEventHeader.ParameterLength -= sizeof(ConnectionRequestParams);
BT_DEBUG("(HCI) >> Connection Request from device %02X:%02X:%02X:%02X:%02X:%02X",
ConnectionRequestParams.RemoteAddress[5], ConnectionRequestParams.RemoteAddress[4],
ConnectionRequestParams.RemoteAddress[3], ConnectionRequestParams.RemoteAddress[2],
ConnectionRequestParams.RemoteAddress[1], ConnectionRequestParams.RemoteAddress[0]);
BT_DEBUG("(HCI) -- Device Class: 0x%02X%04X", ConnectionRequestParams.ClassOfDevice_Service,
ConnectionRequestParams.ClassOfDevice_MajorMinor);
BT_DEBUG("(HCI) -- Link Type: 0x%02x", ConnectionRequestParams.LinkType);
memcpy(Bluetooth_TempDeviceAddress, ConnectionRequestParams.RemoteAddress,
sizeof(Bluetooth_TempDeviceAddress));
Bluetooth_HCIProcessingState = (Bluetooth_Connection.IsConnected) ? Bluetooth_Conn_RejectConnection :
Bluetooth_Conn_AcceptConnection;
}
else if (HCIEventHeader.EventCode == EVENT_DISCONNECTION_COMPLETE)
{
BT_DEBUG("(HCI) >> Disconnection from device complete.", NULL);
Bluetooth_HCIProcessingState = Bluetooth_Init;
}
else if (HCIEventHeader.EventCode == EVENT_CONNECTION_COMPLETE)
{
Bluetooth_HCIEvent_ConnectionComplete_Header_t ConnectionCompleteParams;
Pipe_Read_Stream_LE(&ConnectionCompleteParams, sizeof(ConnectionCompleteParams));
HCIEventHeader.ParameterLength -= sizeof(ConnectionCompleteParams);
BT_DEBUG("(HCI) >> Connection to device complete.", NULL);
BT_DEBUG("(HCI) -- Status: %d", ConnectionCompleteParams.Status);
BT_DEBUG("(HCI) -- Handle: %d", ConnectionCompleteParams.ConnectionHandle);
if (ConnectionCompleteParams.Status == 0x00)
{
memcpy(Bluetooth_Connection.DeviceAddress, ConnectionCompleteParams.RemoteAddress,
sizeof(Bluetooth_Connection.DeviceAddress));
Bluetooth_Connection.ConnectionHandle = ConnectionCompleteParams.ConnectionHandle;
Bluetooth_Connection.IsConnected = true;
}
}
else if (HCIEventHeader.EventCode == EVENT_PIN_CODE_REQUEST)
{
Pipe_Read_Stream_LE(&Bluetooth_TempDeviceAddress, sizeof(Bluetooth_TempDeviceAddress));
HCIEventHeader.ParameterLength -= sizeof(Bluetooth_TempDeviceAddress);
BT_DEBUG("(HCI) >> Pin code request", NULL);
BT_DEBUG("(HCI) >> PIN Code Request from device %02X:%02X:%02X:%02X:%02X:%02X",
Bluetooth_TempDeviceAddress[5], Bluetooth_TempDeviceAddress[4], Bluetooth_TempDeviceAddress[3],
Bluetooth_TempDeviceAddress[2], Bluetooth_TempDeviceAddress[1], Bluetooth_TempDeviceAddress[0]);
Bluetooth_HCIProcessingState = Bluetooth_Conn_SendPINCode;
}
BT_DEBUG("(HCI) -- Unread Event Param Length: %d", HCIEventHeader.ParameterLength);
Bluetooth_DiscardRemainingHCIEventParameters();
}
break;
case Bluetooth_Conn_AcceptConnection:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_ACCEPT_CONNECTION_REQUEST},
ParameterLength: sizeof(Bluetooth_HCICommand_AcceptConnectionRequest_Params_t),
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_AcceptConnection", NULL);
Bluetooth_HCICommand_AcceptConnectionRequest_Params_t AcceptConnectionParams;
memcpy(AcceptConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress,
sizeof(Bluetooth_TempDeviceAddress));
AcceptConnectionParams.SlaveRole = true;
Bluetooth_SendHCICommand(&AcceptConnectionParams, sizeof(AcceptConnectionParams));
Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;
break;
case Bluetooth_Conn_RejectConnection:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_ACCEPT_CONNECTION_REQUEST},
ParameterLength: sizeof(Bluetooth_HCICommand_RejectConnectionRequest_Params_t),
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_RejectConnection", NULL);
Bluetooth_HCICommand_RejectConnectionRequest_Params_t RejectConnectionParams;
memcpy(RejectConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress,
sizeof(Bluetooth_TempDeviceAddress));
RejectConnectionParams.Reason = ERROR_LIMITED_RESOURCES;
Bluetooth_SendHCICommand(&AcceptConnectionParams, sizeof(AcceptConnectionParams));
Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;
break;
case Bluetooth_Conn_SendPINCode:
HCICommandHeader = (Bluetooth_HCICommand_Header_t)
{
OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_PIN_CODE_REQUEST_REPLY},
ParameterLength: sizeof(Bluetooth_HCICommand_PinCodeResponse_Params_t),
};
BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_SendPINCode", NULL);
BT_DEBUG("(HCI) -- PIN: %s", Bluetooth_DeviceConfiguration.PINCode);
Bluetooth_HCICommand_PinCodeResponse_Params_t PINCodeRequestParams;
memcpy(PINCodeRequestParams.RemoteAddress, Bluetooth_TempDeviceAddress,
sizeof(Bluetooth_TempDeviceAddress));
PINCodeRequestParams.PINCodeLength = strlen(Bluetooth_DeviceConfiguration.PINCode);
memcpy(PINCodeRequestParams.PINCode, Bluetooth_DeviceConfiguration.PINCode,
sizeof(Bluetooth_DeviceConfiguration.PINCode));
Bluetooth_SendHCICommand(&PINCodeRequestParams, sizeof(PINCodeRequestParams));
do
{
while (!(Bluetooth_GetNextHCIEventHeader()));
Bluetooth_DiscardRemainingHCIEventParameters();
} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;
break;
}
}
/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
* routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
* with compatible devices.
*
* This routine searches for a MSD interface descriptor containing bulk IN and OUT data endpoints.
*
* \return An error code from the MassStorageHost_GetConfigDescriptorDataCodes_t enum.
*/
uint8_t ProcessConfigurationDescriptor(void)
{
uint8_t* ConfigDescriptorData;
uint16_t ConfigDescriptorSize;
uint8_t FoundEndpoints = 0;
/* Get Configuration Descriptor size from the device */
if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
return ControlError;
/* Ensure that the Configuration Descriptor isn't too large */
if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)
return DescriptorTooLarge;
/* Allocate enough memory for the entire config descriptor */
ConfigDescriptorData = alloca(ConfigDescriptorSize);
/* Retrieve the entire configuration descriptor into the allocated buffer */
USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);
/* Validate returned data - ensure first entry is a configuration header descriptor */
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return InvalidConfigDataReturned;
/* Get the mass storage interface from the configuration descriptor */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextMassStorageInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoInterfaceFound;
}
/* Get the IN and OUT data endpoints for the mass storage interface */
while (FoundEndpoints != ((1 << MASS_STORE_DATA_IN_PIPE) | (1 << MASS_STORE_DATA_OUT_PIPE)))
{
/* Fetch the next bulk endpoint from the current mass storage interface */
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextInterfaceBulkDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoEndpointFound;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
/* Check if the endpoint is a bulk IN or bulk OUT endpoint, set appropriate globals */
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
{
/* Configure the data IN pipe */
Pipe_ConfigurePipe(MASS_STORE_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize,
PIPE_BANK_DOUBLE);
Pipe_SetInfiniteINRequests();
/* Set the flag indicating that the data IN pipe has been found */
FoundEndpoints |= (1 << MASS_STORE_DATA_IN_PIPE);
}
else
{
/* Configure the data OUT pipe */
Pipe_ConfigurePipe(MASS_STORE_DATA_OUT_PIPE, EP_TYPE_BULK, PIPE_TOKEN_OUT,
EndpointData->EndpointAddress, EndpointData->EndpointSize,
PIPE_BANK_DOUBLE);
/* Set the flag indicating that the data OUT pipe has been found */
FoundEndpoints |= (1 << MASS_STORE_DATA_OUT_PIPE);
}
}
/* Valid data found, return success */
return SuccessfulConfigRead;
}