/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this \r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in \r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting \r
+ documentation, and that the name of the author not be used in \r
+ advertising or publicity pertaining to distribution of the \r
software without specific, written prior permission.\r
\r
The author disclaim all warranties with regard to this\r
\r
#include "GenericHIDHost.h"\r
\r
-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },\r
- { .Task = USB_HID_Host , .TaskStatus = TASK_STOP },\r
-};\r
-\r
-\r
/** Main program entry point. This routine configures the hardware required by the application, then\r
- * starts the scheduler to run the application tasks.\r
+ * enters a loop to run the application tasks in sequence.\r
*/\r
int main(void)\r
{\r
+ SetupHardware();\r
+\r
+ puts_P(PSTR(ESC_FG_CYAN "Generic HID Host Demo running.\r\n" ESC_FG_WHITE));\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+ for (;;)\r
+ {\r
+ HID_Host_Task();\r
+ USB_USBTask();\r
+ }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r
/* Disable watchdog if enabled by bootloader/fuses */\r
MCUSR &= ~(1 << WDRF);\r
wdt_disable();\r
\r
/* Disable clock division */\r
clock_prescale_set(clock_div_1);\r
- \r
+\r
/* Hardware Initialization */\r
SerialStream_Init(9600, false);\r
LEDs_Init();\r
- \r
- /* Indicate USB not ready */\r
- UpdateStatus(Status_USBNotReady);\r
- \r
- /* Initialize Scheduler so that it can be used */\r
- Scheduler_Init();\r
-\r
- /* Initialize USB Subsystem */\r
USB_Init();\r
-\r
- /* Start-up message */\r
- puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY\r
- "Generic HID Host Demo running.\r\n" ESC_INVERSE_OFF));\r
- \r
- /* Scheduling - routine never returns, so put this last in the main function */\r
- Scheduler_Start();\r
}\r
\r
/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
* starts the library USB task to begin the enumeration and USB management process.\r
*/\r
-void EVENT_USB_DeviceAttached(void)\r
+void EVENT_USB_Host_DeviceAttached(void)\r
{\r
- puts_P(PSTR("Device Attached.\r\n"));\r
- UpdateStatus(Status_USBEnumerating);\r
-\r
- /* Start USB management task to enumerate the device */\r
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);\r
+ puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
}\r
\r
/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
* stops the library USB task management process.\r
*/\r
-void EVENT_USB_DeviceUnattached(void)\r
+void EVENT_USB_Host_DeviceUnattached(void)\r
{\r
- /* Stop HID and USB management task */\r
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);\r
- Scheduler_SetTaskMode(USB_HID_Host, TASK_STOP);\r
-\r
- puts_P(PSTR("Device Unattached.\r\n"));\r
- UpdateStatus(Status_USBNotReady);\r
+ puts_P(PSTR(ESC_FG_GREEN "Device Unattached.\r\n" ESC_FG_WHITE));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
}\r
\r
/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
* enumerated by the host and is now ready to be used by the application.\r
*/\r
-void EVENT_USB_DeviceEnumerationComplete(void)\r
+void EVENT_USB_Host_DeviceEnumerationComplete(void)\r
{\r
- /* Start HID Host task */\r
- Scheduler_SetTaskMode(USB_HID_Host, TASK_RUN);\r
-\r
- /* Indicate device enumeration complete */\r
- UpdateStatus(Status_USBReady);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
}\r
\r
/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
-void EVENT_USB_HostError(const uint8_t ErrorCode)\r
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)\r
{\r
USB_ShutDown();\r
\r
- puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
\r
- UpdateStatus(Status_HardwareError);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
for(;;);\r
}\r
\r
/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
* enumerating an attached USB device.\r
*/\r
-void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
{\r
- puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
- printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);\r
- printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);\r
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
+ " -- Error Code %d\r\n"\r
+ " -- Sub Error Code %d\r\n"\r
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r
\r
- UpdateStatus(Status_EnumerationError);\r
-}\r
-\r
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to\r
- * log to a serial port, or anything else that is suitable for status updates.\r
- *\r
- * \param CurrentStatus Current status of the system, from the GenericHIDHost_StatusCodes_t enum\r
- */\r
-void UpdateStatus(uint8_t CurrentStatus)\r
-{\r
- uint8_t LEDMask = LEDS_NO_LEDS;\r
- \r
- /* Set the LED mask to the appropriate LED mask based on the given status code */\r
- switch (CurrentStatus)\r
- {\r
- case Status_USBNotReady:\r
- LEDMask = (LEDS_LED1);\r
- break;\r
- case Status_USBEnumerating:\r
- LEDMask = (LEDS_LED1 | LEDS_LED2);\r
- break;\r
- case Status_USBReady:\r
- LEDMask = (LEDS_LED2);\r
- break;\r
- case Status_EnumerationError:\r
- case Status_HardwareError:\r
- LEDMask = (LEDS_LED1 | LEDS_LED3);\r
- break;\r
- }\r
- \r
- /* Set the board LEDs to the new LED mask */\r
- LEDs_SetAllLEDs(LEDMask);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
}\r
\r
/** Reads in and processes the next report from the attached device, displaying the report\r
\r
/** Writes a report to the attached device.\r
*\r
- * \param ReportOUTData Buffer containing the report to send to the device\r
- * \param ReportIndex Index of the report in the device (zero if the device does not use multiple reports)\r
- * \param ReportType Type of report to send, either HID_REPORTTYPE_OUTPUT or HID_REPORTTYPE_FEATURE\r
- * \param ReportLength Length of the report to send\r
+ * \param[in] ReportOUTData Buffer containing the report to send to the device\r
+ * \param[in] ReportIndex Index of the report in the device (zero if the device does not use multiple reports)\r
+ * \param[in] ReportType Type of report to send, either REPORT_TYPE_OUT or REPORT_TYPE_FEATURE\r
+ * \param[in] ReportLength Length of the report to send\r
*/\r
void WriteNextReport(uint8_t* ReportOUTData, uint8_t ReportIndex, uint8_t ReportType, uint16_t ReportLength)\r
{\r
- /* Select and unfreeze HID data OUT pipe */\r
+ /* Select the HID data OUT pipe */\r
Pipe_SelectPipe(HID_DATA_OUT_PIPE);\r
\r
/* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the\r
* control endpoint instead) - check to see if the OUT endpoint has been initialized */\r
- if (Pipe_IsConfigured())\r
+ if (Pipe_IsConfigured() && (ReportType == REPORT_TYPE_OUT))\r
{\r
Pipe_Unfreeze();\r
\r
/** Task to set the configuration of the attached device after it has been enumerated, and to read and process\r
* HID reports from the device and to send reports if desired.\r
*/\r
-TASK(USB_HID_Host)\r
+void HID_Host_Task(void)\r
{\r
uint8_t ErrorCode;\r
\r
switch (USB_HostState)\r
{\r
case HOST_STATE_Addressed:\r
- /* Standard request to set the device configuration to configuration 1 */\r
- USB_ControlRequest = (USB_Request_Header_t)\r
- {\r
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
- .bRequest = REQ_SetConfiguration,\r
- .wValue = 1,\r
- .wIndex = 0,\r
- .wLength = 0,\r
- };\r
-\r
- /* Select the control pipe for the request transfer */\r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
- /* Send the request, display error and wait for device detach if request fails */\r
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
- {\r
- puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
-\r
- /* Indicate error status */\r
- UpdateStatus(Status_EnumerationError);\r
- \r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
- \r
- USB_HostState = HOST_STATE_Configured;\r
- break;\r
- case HOST_STATE_Configured:\r
puts_P(PSTR("Getting Config Data.\r\n"));\r
\r
/* Get and process the configuration descriptor data */\r
if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
{\r
if (ErrorCode == ControlError)\r
- puts_P(PSTR("Control Error (Get Configuration).\r\n"));\r
+ puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));\r
else\r
- puts_P(PSTR("Invalid Device.\r\n"));\r
+ puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));\r
\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
+ printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
\r
/* Indicate error status */\r
- UpdateStatus(Status_EnumerationError);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
\r
/* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\r
}\r
- \r
+\r
+ /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */\r
+ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"\r
+ " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
+\r
+ /* Indicate error status */\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ \r
+ /* Wait until USB device disconnected */\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
puts_P(PSTR("HID Device Enumerated.\r\n"));\r
- \r
- USB_HostState = HOST_STATE_Ready;\r
+\r
+ USB_HostState = HOST_STATE_Configured;\r
break;\r
- case HOST_STATE_Ready:\r
+ case HOST_STATE_Configured:\r
ReadNextReport();\r
\r
break;\r
projects / pub / USBasp.git / blobdiff