--- /dev/null
+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2009.\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
+ software without specific, written prior permission.\r
+\r
+ The author disclaim all warranties with regard to this\r
+ software, including all implied warranties of merchantability\r
+ and fitness. In no event shall the author be liable for any\r
+ special, indirect or consequential damages or any damages\r
+ whatsoever resulting from loss of use, data or profits, whether\r
+ in an action of contract, negligence or other tortious action,\r
+ arising out of or in connection with the use or performance of\r
+ this software.\r
+*/\r
+\r
+/** \file\r
+ *\r
+ * Main source file for the CDCHost demo. This file contains the main tasks of\r
+ * the demo and is responsible for the initial application hardware configuration.\r
+ */\r
+ \r
+#include "CDCHost.h"\r
+\r
+/** LUFA CDC Class driver interface configuration and state information. This structure is\r
+ * passed to all CDC Class driver functions, so that multiple instances of the same class\r
+ * within a device can be differentiated from one another.\r
+ */\r
+USB_ClassInfo_CDC_Host_t VirtualSerial_CDC_Interface =\r
+ {\r
+ .Config =\r
+ {\r
+ .DataINPipeNumber = 1,\r
+ .DataINPipeDoubleBank = false,\r
+\r
+ .DataOUTPipeNumber = 2,\r
+ .DataOUTPipeDoubleBank = false,\r
+\r
+ .NotificationPipeNumber = 3,\r
+ .NotificationPipeDoubleBank = false,\r
+ },\r
+ };\r
+ \r
+/** Main program entry point. This routine configures the hardware required by the application, then\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 "CDC Host Demo running.\r\n" ESC_FG_WHITE));\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+ for (;;)\r
+ {\r
+ switch (USB_HostState)\r
+ {\r
+ case HOST_STATE_Addressed:\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+ \r
+ uint16_t ConfigDescriptorSize;\r
+ uint8_t ConfigDescriptorData[512];\r
+\r
+ if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
+ sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\r
+ {\r
+ printf("Error Retrieving Configuration Descriptor.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ if (CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface,\r
+ ConfigDescriptorSize, ConfigDescriptorData) != CDC_ENUMERROR_NoError)\r
+ {\r
+ printf("Attached Device Not a Valid CDC Class Device.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ printf("Error Setting Device Configuration.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ printf("CDC Device Enumerated.\r\n");\r
+ USB_HostState = HOST_STATE_Configured;\r
+ break;\r
+ case HOST_STATE_Configured:\r
+ if (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))\r
+ {\r
+ /* Echo received bytes from the attached device through the USART */\r
+ while (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))\r
+ putchar(CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface));\r
+ \r
+ CDC_Host_Flush(&VirtualSerial_CDC_Interface); \r
+ }\r
+ \r
+ break;\r
+ }\r
+ \r
+ CDC_Host_USBTask(&VirtualSerial_CDC_Interface);\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
+ /* Hardware Initialization */\r
+ SerialStream_Init(9600, false);\r
+ LEDs_Init();\r
+ USB_Init();\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_Host_DeviceAttached(void)\r
+{\r
+ puts_P(PSTR("Device Attached.\r\n"));\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_Host_DeviceUnattached(void)\r
+{\r
+ puts_P(PSTR("\r\nDevice Unattached.\r\n"));\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_Host_DeviceEnumerationComplete(void)\r
+{\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_Host_HostError(const uint8_t ErrorCode)\r
+{\r
+ USB_ShutDown();\r
+\r
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
+\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_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
+{\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
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+}\r
projects / pub / lufa.git / blobdiff