forked from mfulz_github/qmk_firmware
407 lines
14 KiB
C
407 lines
14 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#include "BluetoothHCICommands.h"
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static Bluetooth_HCICommand_Header_t HCICommandHeader;
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static Bluetooth_HCIEvent_Header_t HCIEventHeader;
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uint8_t Bluetooth_HCIProcessingState;
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static uint8_t Bluetooth_TempDeviceAddress[6];
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static uint8_t Bluetooth_SendHCICommand(void* Parameters, uint8_t ParamLength)
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{
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uint8_t CommandBuffer[sizeof(HCICommandHeader) + HCICommandHeader.ParameterLength];
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USB_ControlRequest = (USB_Request_Header_t)
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{
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.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_DEVICE),
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.bRequest = 0,
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.wValue = 0,
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.wIndex = 0,
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.wLength = sizeof(CommandBuffer)
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};
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memset(CommandBuffer, 0x00, sizeof(CommandBuffer));
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memcpy(CommandBuffer, &HCICommandHeader, sizeof(HCICommandHeader));
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if (ParamLength)
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memcpy(&CommandBuffer[sizeof(HCICommandHeader)], Parameters, ParamLength);
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Pipe_SelectPipe(PIPE_CONTROLPIPE);
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return USB_Host_SendControlRequest(CommandBuffer);
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}
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static bool Bluetooth_GetNextHCIEventHeader(void)
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{
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Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);
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Pipe_Unfreeze();
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if (!(Pipe_IsReadWriteAllowed()))
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{
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Pipe_Freeze();
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return false;
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}
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Pipe_Read_Stream_LE(&HCIEventHeader, sizeof(HCIEventHeader));
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Pipe_Freeze();
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return true;
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}
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static void Bluetooth_DiscardRemainingHCIEventParameters(void)
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{
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Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);
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Pipe_Unfreeze();
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Pipe_Discard_Stream(HCIEventHeader.ParameterLength);
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Pipe_ClearIN();
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Pipe_Freeze();
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HCIEventHeader.ParameterLength = 0;
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}
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void Bluetooth_ProcessHCICommands(void)
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{
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uint8_t ErrorCode;
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switch (Bluetooth_HCIProcessingState)
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{
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case Bluetooth_Init:
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Pipe_SelectPipe(BLUETOOTH_EVENTS_PIPE);
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memset(&Bluetooth_Connection, 0x00, sizeof(Bluetooth_Connection));
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Bluetooth_HCIProcessingState = Bluetooth_Init_Reset;
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break;
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case Bluetooth_Init_Reset:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_RESET},
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ParameterLength: 0,
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Init_Reset", NULL);
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ErrorCode = Bluetooth_SendHCICommand(NULL, 0);
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do
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{
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while (!(Bluetooth_GetNextHCIEventHeader()))
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{
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if (USB_HostState == HOST_STATE_Unattached)
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return;
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}
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Bluetooth_DiscardRemainingHCIEventParameters();
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} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
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Bluetooth_HCIProcessingState = Bluetooth_Init_ReadBufferSize;
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break;
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case Bluetooth_Init_ReadBufferSize:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_CTRLR_INFORMATIONAL, OCF: OGF_CTRLR_INFORMATIONAL_READBUFFERSIZE},
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ParameterLength: 0,
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Init_ReadBufferSize", NULL);
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ErrorCode = Bluetooth_SendHCICommand(NULL, 0);
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do
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{
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while (!(Bluetooth_GetNextHCIEventHeader()))
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{
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if (USB_HostState == HOST_STATE_Unattached)
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return;
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}
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Bluetooth_DiscardRemainingHCIEventParameters();
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} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
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Bluetooth_HCIProcessingState = Bluetooth_Init_SetEventMask;
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break;
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case Bluetooth_Init_SetEventMask:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_SET_EVENT_MASK},
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ParameterLength: 8,
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetEventMask", NULL);
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uint8_t EventMask[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
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ErrorCode = Bluetooth_SendHCICommand(&EventMask, 8);
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BT_DEBUG("(HCI) -- Event mask: 0x%02X%02X%02X%02X%02X%02X%02X%02X", EventMask[7], EventMask[6], EventMask[5], EventMask[4],
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EventMask[3], EventMask[2], EventMask[1], EventMask[0]);
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do
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{
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while (!(Bluetooth_GetNextHCIEventHeader()))
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{
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if (USB_HostState == HOST_STATE_Unattached)
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return;
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}
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Bluetooth_DiscardRemainingHCIEventParameters();
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} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
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Bluetooth_HCIProcessingState = Bluetooth_Init_SetLocalName;
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break;
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case Bluetooth_Init_SetLocalName:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_LOCAL_NAME},
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ParameterLength: 248,
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetLocalName", NULL);
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BT_DEBUG("(HCI) -- Name: %s", Bluetooth_DeviceConfiguration.Name);
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ErrorCode = Bluetooth_SendHCICommand(Bluetooth_DeviceConfiguration.Name, strlen(Bluetooth_DeviceConfiguration.Name));
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do
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{
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while (!(Bluetooth_GetNextHCIEventHeader()))
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{
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if (USB_HostState == HOST_STATE_Unattached)
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return;
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}
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Bluetooth_DiscardRemainingHCIEventParameters();
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} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
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Bluetooth_HCIProcessingState = Bluetooth_Init_SetDeviceClass;
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break;
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case Bluetooth_Init_SetDeviceClass:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_CLASS_OF_DEVICE},
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ParameterLength: 3,
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Init_SetDeviceClass", NULL);
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ErrorCode = Bluetooth_SendHCICommand(&Bluetooth_DeviceConfiguration.Class, 3);
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do
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{
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while (!(Bluetooth_GetNextHCIEventHeader()))
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{
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if (USB_HostState == HOST_STATE_Unattached)
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return;
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}
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Bluetooth_DiscardRemainingHCIEventParameters();
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} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
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Bluetooth_HCIProcessingState = Bluetooth_Init_WriteScanEnable;
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break;
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case Bluetooth_Init_WriteScanEnable:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_CTRLR_BASEBAND, OCF: OCF_CTRLR_BASEBAND_WRITE_SCAN_ENABLE},
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ParameterLength: 1,
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Init_WriteScanEnable", NULL);
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uint8_t Interval = InquiryAndPageScans;
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ErrorCode = Bluetooth_SendHCICommand(&Interval, 1);
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do
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{
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while (!(Bluetooth_GetNextHCIEventHeader()))
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{
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if (USB_HostState == HOST_STATE_Unattached)
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return;
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}
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Bluetooth_DiscardRemainingHCIEventParameters();
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} while (HCIEventHeader.EventCode != EVENT_COMMAND_COMPLETE);
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Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;
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break;
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case Bluetooth_PrepareToProcessEvents:
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BT_DEBUG("(HCI) Enter State: Bluetooth_ProcessEvents", NULL);
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Bluetooth_HCIProcessingState = Bluetooth_ProcessEvents;
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break;
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case Bluetooth_ProcessEvents:
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if (Bluetooth_GetNextHCIEventHeader())
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{
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BT_DEBUG("(HCI) Event Code: 0x%02X", HCIEventHeader.EventCode);
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if (HCIEventHeader.EventCode == EVENT_COMMAND_STATUS)
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{
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Bluetooth_HCIEvent_CommandStatus_Header_t CommandStatusHeader;
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Pipe_Read_Stream_LE(&CommandStatusHeader, sizeof(CommandStatusHeader));
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HCIEventHeader.ParameterLength -= sizeof(CommandStatusHeader);
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BT_DEBUG("(HCI) >> Command status: 0x%02X", CommandStatusHeader.CommandStatus);
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if (CommandStatusHeader.CommandStatus)
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Bluetooth_HCIProcessingState = Bluetooth_Init;
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}
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else if (HCIEventHeader.EventCode == EVENT_CONNECTION_REQUEST)
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{
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Bluetooth_HCIEvent_ConnectionRequest_Header_t ConnectionRequestParams;
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Pipe_Read_Stream_LE(&ConnectionRequestParams, sizeof(ConnectionRequestParams));
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HCIEventHeader.ParameterLength -= sizeof(ConnectionRequestParams);
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BT_DEBUG("(HCI) >> Connection Request from device %02X:%02X:%02X:%02X:%02X:%02X",
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ConnectionRequestParams.RemoteAddress[5], ConnectionRequestParams.RemoteAddress[4],
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ConnectionRequestParams.RemoteAddress[3], ConnectionRequestParams.RemoteAddress[2],
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ConnectionRequestParams.RemoteAddress[1], ConnectionRequestParams.RemoteAddress[0]);
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BT_DEBUG("(HCI) -- Device Class: 0x%02X%04X", ConnectionRequestParams.ClassOfDevice_Service,
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ConnectionRequestParams.ClassOfDevice_MajorMinor);
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BT_DEBUG("(HCI) -- Link Type: 0x%02x", ConnectionRequestParams.LinkType);
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memcpy(Bluetooth_TempDeviceAddress, ConnectionRequestParams.RemoteAddress,
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sizeof(Bluetooth_TempDeviceAddress));
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Bluetooth_HCIProcessingState = (Bluetooth_Connection.IsConnected) ? Bluetooth_Conn_RejectConnection :
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Bluetooth_Conn_AcceptConnection;
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}
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else if (HCIEventHeader.EventCode == EVENT_DISCONNECTION_COMPLETE)
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{
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BT_DEBUG("(HCI) >> Disconnection from device complete.", NULL);
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Bluetooth_HCIProcessingState = Bluetooth_Init;
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}
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else if (HCIEventHeader.EventCode == EVENT_CONNECTION_COMPLETE)
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{
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Bluetooth_HCIEvent_ConnectionComplete_Header_t ConnectionCompleteParams;
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Pipe_Read_Stream_LE(&ConnectionCompleteParams, sizeof(ConnectionCompleteParams));
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HCIEventHeader.ParameterLength -= sizeof(ConnectionCompleteParams);
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BT_DEBUG("(HCI) >> Connection to device complete.", NULL);
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BT_DEBUG("(HCI) -- Status: %d", ConnectionCompleteParams.Status);
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BT_DEBUG("(HCI) -- Handle: %d", ConnectionCompleteParams.ConnectionHandle);
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if (ConnectionCompleteParams.Status == 0x00)
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{
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memcpy(Bluetooth_Connection.DeviceAddress, ConnectionCompleteParams.RemoteAddress,
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sizeof(Bluetooth_Connection.DeviceAddress));
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Bluetooth_Connection.ConnectionHandle = ConnectionCompleteParams.ConnectionHandle;
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Bluetooth_Connection.IsConnected = true;
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}
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}
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else if (HCIEventHeader.EventCode == EVENT_PIN_CODE_REQUEST)
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{
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Pipe_Read_Stream_LE(&Bluetooth_TempDeviceAddress, sizeof(Bluetooth_TempDeviceAddress));
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HCIEventHeader.ParameterLength -= sizeof(Bluetooth_TempDeviceAddress);
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BT_DEBUG("(HCI) >> PIN code Request from device %02X:%02X:%02X:%02X:%02X:%02X",
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Bluetooth_TempDeviceAddress[5], Bluetooth_TempDeviceAddress[4], Bluetooth_TempDeviceAddress[3],
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Bluetooth_TempDeviceAddress[2], Bluetooth_TempDeviceAddress[1], Bluetooth_TempDeviceAddress[0]);
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Bluetooth_HCIProcessingState = Bluetooth_Conn_SendPINCode;
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}
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else if (HCIEventHeader.EventCode == EVENT_COMMAND_COMPLETE)
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{
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BT_DEBUG("(HCI) >> Command Complete", NULL);
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}
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BT_DEBUG("(HCI) -- Unread Event Param Length: %d", HCIEventHeader.ParameterLength);
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Bluetooth_DiscardRemainingHCIEventParameters();
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}
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break;
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case Bluetooth_Conn_AcceptConnection:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_ACCEPT_CONNECTION_REQUEST},
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ParameterLength: sizeof(Bluetooth_HCICommand_AcceptConnectionRequest_Params_t),
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_AcceptConnection", NULL);
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Bluetooth_HCICommand_AcceptConnectionRequest_Params_t AcceptConnectionParams;
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memcpy(AcceptConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress,
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sizeof(Bluetooth_TempDeviceAddress));
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AcceptConnectionParams.SlaveRole = true;
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Bluetooth_SendHCICommand(&AcceptConnectionParams, sizeof(AcceptConnectionParams));
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Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;
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break;
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case Bluetooth_Conn_RejectConnection:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_ACCEPT_CONNECTION_REQUEST},
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ParameterLength: sizeof(Bluetooth_HCICommand_RejectConnectionRequest_Params_t),
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_RejectConnection", NULL);
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Bluetooth_HCICommand_RejectConnectionRequest_Params_t RejectConnectionParams;
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memcpy(RejectConnectionParams.RemoteAddress, Bluetooth_TempDeviceAddress,
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sizeof(Bluetooth_TempDeviceAddress));
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RejectConnectionParams.Reason = ERROR_LIMITED_RESOURCES;
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Bluetooth_SendHCICommand(&AcceptConnectionParams, sizeof(AcceptConnectionParams));
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Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;
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break;
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case Bluetooth_Conn_SendPINCode:
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HCICommandHeader = (Bluetooth_HCICommand_Header_t)
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{
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OpCode: {OGF: OGF_LINK_CONTROL, OCF: OCF_LINK_CONTROL_PIN_CODE_REQUEST_REPLY},
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ParameterLength: sizeof(Bluetooth_HCICommand_PinCodeResponse_Params_t),
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};
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BT_DEBUG("(HCI) Enter State: Bluetooth_Conn_SendPINCode", NULL);
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BT_DEBUG("(HCI) -- PIN: %s", Bluetooth_DeviceConfiguration.PINCode);
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Bluetooth_HCICommand_PinCodeResponse_Params_t PINCodeRequestParams;
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memcpy(PINCodeRequestParams.RemoteAddress, Bluetooth_TempDeviceAddress,
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sizeof(Bluetooth_TempDeviceAddress));
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PINCodeRequestParams.PINCodeLength = strlen(Bluetooth_DeviceConfiguration.PINCode);
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memcpy(PINCodeRequestParams.PINCode, Bluetooth_DeviceConfiguration.PINCode,
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sizeof(Bluetooth_DeviceConfiguration.PINCode));
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Bluetooth_SendHCICommand(&PINCodeRequestParams, sizeof(PINCodeRequestParams));
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Bluetooth_HCIProcessingState = Bluetooth_PrepareToProcessEvents;
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break;
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}
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}
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