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Diffstat (limited to 'Demos/BluetoothHost/BluetoothHost.c')
| -rw-r--r-- | Demos/BluetoothHost/BluetoothHost.c | 282 |
1 files changed, 282 insertions, 0 deletions
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);
+}
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