X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/c1a1b6eeecb375259968ef6d989833312047f2d8..9991321321d30ca9383d795ea7e796098c92045f:/Demos/BluetoothHost/BluetoothHost.c diff --git a/Demos/BluetoothHost/BluetoothHost.c b/Demos/BluetoothHost/BluetoothHost.c new file mode 100644 index 000000000..0f9eb4a9e --- /dev/null +++ b/Demos/BluetoothHost/BluetoothHost.c @@ -0,0 +1,282 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, 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. +*/ + +/* + Bluetooth Dongle host demo application. + + ** NOT CURRENTLY FUNCTIONAL - DO NOT USE ** +*/ + +/* + USB Mode: Host + USB Class: Bluetooth USB Transport Class + USB Subclass: Bluetooth HCI USB Transport + Relevant Standards: Bluetooth 2.0 Standard + Bluetooth 2.0 HCI USB Transport Layer Addendum + Bluetooth Assigned Numbers (Baseband) + Usable Speeds: Full Speed Mode +*/ + +#include "BluetoothHost.h" + +/* Project Tags, for reading out using the ButtLoad project */ +BUTTLOADTAG(ProjName, "LUFA BT Host App"); +BUTTLOADTAG(BuildTime, __TIME__); +BUTTLOADTAG(BuildDate, __DATE__); +BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING); + +/* Scheduler Task List */ +TASK_LIST +{ + { Task: USB_USBTask , TaskStatus: TASK_STOP }, + { Task: USB_Bluetooth_Host , TaskStatus: TASK_STOP }, + { Task: Bluetooth_Task , TaskStatus: TASK_STOP }, +}; + +Bluetooth_Device_t Bluetooth_DeviceConfiguration = + { + Class: (DEVICE_CLASS_SERVICE_CAPTURING | DEVICE_CLASS_MAJOR_COMPUTER | DEVICE_CLASS_MINOR_COMPUTER_PALM), + PINCode: "0000", + Name: "LUFA Bluetooth Demo" + }; + + +int main(void) +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable Clock Division */ + SetSystemClockPrescaler(0); + + /* Hardware Initialization */ + SerialStream_Init(9600, false); + LEDs_Init(); + + /* Indicate USB not ready */ + UpdateStatus(Status_USBNotReady); + + /* Startup message */ + puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY + "Bluetooth Host Demo running.\r\n" ESC_INVERSE_OFF)); + + /* Initialize Scheduler so that it can be used */ + Scheduler_Init(); + + /* Initialize USB Subsystem */ + USB_Init(); + + /* Scheduling routine never returns, so put this last in the main function */ + Scheduler_Start(); +} + +EVENT_HANDLER(USB_DeviceAttached) +{ + puts_P(PSTR("Device Attached.\r\n")); + UpdateStatus(Status_USBEnumerating); + + /* Start USB management task to enumerate the device */ + Scheduler_SetTaskMode(USB_USBTask, TASK_RUN); +} + +EVENT_HANDLER(USB_DeviceUnattached) +{ + /* Stop USB management and Bluetooth tasks */ + Scheduler_SetTaskMode(USB_USBTask, TASK_STOP); + Scheduler_SetTaskMode(USB_Bluetooth_Host, TASK_STOP); + Scheduler_SetTaskMode(Bluetooth_Task, TASK_STOP); + + puts_P(PSTR("\r\nDevice Unattached.\r\n")); + UpdateStatus(Status_USBNotReady); +} + +EVENT_HANDLER(USB_DeviceEnumerationComplete) +{ + /* Once device is fully enumerated, start the Bluetooth Host task */ + Scheduler_SetTaskMode(USB_Bluetooth_Host, TASK_RUN); + Scheduler_SetTaskMode(Bluetooth_Task, TASK_RUN); + + UpdateStatus(Status_USBReady); +} + +EVENT_HANDLER(USB_HostError) +{ + USB_ShutDown(); + + puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n")); + printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); + + UpdateStatus(Status_HardwareError); + for(;;); +} + +EVENT_HANDLER(USB_DeviceEnumerationFailed) +{ + puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n")); + printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); + printf_P(PSTR(" -- In State %d\r\n"), USB_HostState); + + UpdateStatus(Status_EnumerationError); +} + +TASK(USB_Bluetooth_Host) +{ + uint8_t ErrorCode; + + switch (USB_HostState) + { + case HOST_STATE_Addressed: + puts_P(PSTR("Getting Device Data.\r\n")); + + /* Get and process the configuration descriptor data */ + if ((ErrorCode = ProcessDeviceDescriptor()) != SuccessfulDeviceRead) + { + if (ErrorCode == ControlErrorDuringDeviceRead) + puts_P(PSTR("Control Error (Get Device).\r\n")); + else + puts_P(PSTR("Invalid Device.\r\n")); + + printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); + + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDS_LED1); + + /* Wait until USB device disconnected */ + while (USB_IsConnected); + break; + } + + puts_P(PSTR("Bluetooth Dongle Detected.\r\n")); + + /* Standard request to set the device configuration to configuration 1 */ + USB_HostRequest = (USB_Host_Request_Header_t) + { + bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), + bRequest: REQ_SetConfiguration, + wValue: 1, + wIndex: 0, + wLength: 0, + }; + + /* Send the request, display error and wait for device detatch if request fails */ + if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) + { + puts_P(PSTR("Control Error (Set Configuration).\r\n")); + printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); + + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDS_LED1); + + /* Wait until USB device disconnected */ + while (USB_IsConnected); + break; + } + + USB_HostState = HOST_STATE_Configured; + break; + case HOST_STATE_Configured: + puts_P(PSTR("Getting Config Data.\r\n")); + + /* Get and process the configuration descriptor data */ + if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) + { + if (ErrorCode == ControlErrorDuringConfigRead) + puts_P(PSTR("Control Error (Get Configuration).\r\n")); + else + puts_P(PSTR("Invalid Device.\r\n")); + + printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); + + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDS_LED1); + + /* Wait until USB device disconnected */ + while (USB_IsConnected); + break; + } + + puts_P(PSTR("Bluetooth Dongle Enumerated.\r\n")); + + USB_HostState = HOST_STATE_Ready; + break; + case HOST_STATE_Ready: + if (Bluetooth_HCIProcessingState != Bluetooth_ProcessEvents) + { + UpdateStatus(Status_BluetoothBusy); + } + else + { + if (Bluetooth_Connection.IsConnected) + UpdateStatus(Status_BluetoothConnected); + else + UpdateStatus(Status_USBReady); + } + + break; + } +} + +/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to + * log to a serial port, or anything else that is suitable for status updates. + * + * \param CurrentStatus Current status of the system, from the MouseHostViaInt_StatusCodes_t enum + */ +void UpdateStatus(uint8_t CurrentStatus) +{ + uint8_t LEDMask = LEDS_NO_LEDS; + + /* Set the LED mask to the appropriate LED mask based on the given status code */ + switch (CurrentStatus) + { + case Status_USBNotReady: + LEDMask = (LEDS_LED1); + break; + case Status_USBEnumerating: + LEDMask = (LEDS_LED1 | LEDS_LED2); + break; + case Status_USBReady: + LEDMask = (LEDS_LED2); + break; + case Status_EnumerationError: + case Status_HardwareError: + LEDMask = (LEDS_LED1 | LEDS_LED3); + break; + case Status_BluetoothConnected: + LEDMask = (LEDS_LED2 | LEDS_LED4); + break; + case Status_BluetoothBusy: + LEDMask = (LEDS_LED2 | LEDS_LED3 | LEDS_LED4); + break; + } + + /* Set the board LEDs to the new LED mask */ + LEDs_SetAllLEDs(LEDMask); +}