Add extra LUFA TAR archive export exclusions.
[pub/USBasp.git] / Demos / Host / ClassDriver / VirtualSerialHost / VirtualSerialHost.c
index e308e36..631925e 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -55,13 +55,14 @@ USB_ClassInfo_CDC_Host_t VirtualSerial_CDC_Interface =
                        },
        };
 
                        },
        };
 
+
 /** Main program entry point. This routine configures the hardware required by the application, then
  *  enters a loop to run the application tasks in sequence.
  */
 int main(void)
 {
        SetupHardware();
 /** Main program entry point. This routine configures the hardware required by the application, then
  *  enters a loop to run the application tasks in sequence.
  */
 int main(void)
 {
        SetupHardware();
-       
+
        puts_P(PSTR(ESC_FG_CYAN "CDC Host Demo running.\r\n" ESC_FG_WHITE));
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
        puts_P(PSTR(ESC_FG_CYAN "CDC Host Demo running.\r\n" ESC_FG_WHITE));
 
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
@@ -69,55 +70,7 @@ int main(void)
 
        for (;;)
        {
 
        for (;;)
        {
-               switch (USB_HostState)
-               {
-                       case HOST_STATE_Addressed:
-                               LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-
-                               uint16_t ConfigDescriptorSize;
-                               uint8_t  ConfigDescriptorData[512];
-
-                               if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
-                                                                      sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
-                               {
-                                       puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
-                                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               if (CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface,
-                                                           ConfigDescriptorSize, ConfigDescriptorData) != CDC_ENUMERROR_NoError)
-                               {
-                                       puts_P(PSTR("Attached Device Not a Valid CDC Class Device.\r\n"));
-                                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
-                               {
-                                       puts_P(PSTR("Error Setting Device Configuration.\r\n"));
-                                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-
-                               puts_P(PSTR("CDC Device Enumerated.\r\n"));
-                               LEDs_SetAllLEDs(LEDMASK_USB_READY);
-                               USB_HostState = HOST_STATE_Configured;
-                               break;
-                       case HOST_STATE_Configured:
-                               if (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))
-                               {
-                                       /* Echo received bytes from the attached device through the USART */
-                                       int16_t ReceivedByte = CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface);
-                                       if (!(ReceivedByte < 0))
-                                         putchar(ReceivedByte);
-                               }
-
-                               break;
-               }
+               CDCHost_Task();
 
                CDC_Host_USBTask(&VirtualSerial_CDC_Interface);
                USB_USBTask();
 
                CDC_Host_USBTask(&VirtualSerial_CDC_Interface);
                USB_USBTask();
@@ -143,6 +96,23 @@ void SetupHardware(void)
        Serial_CreateStream(NULL);
 }
 
        Serial_CreateStream(NULL);
 }
 
+/** Task to manage an enumerated USB CDC device once connected, to print received data
+ *  from the device to the serial port.
+ */
+void CDCHost_Task(void)
+{
+       if (USB_HostState != HOST_STATE_Configured)
+         return;
+
+       if (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))
+       {
+               /* Echo received bytes from the attached device through the USART */
+               int16_t ReceivedByte = CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface);
+               if (!(ReceivedByte < 0))
+                 putchar(ReceivedByte);
+       }
+}
+
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  *  starts the library USB task to begin the enumeration and USB management process.
  */
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  *  starts the library USB task to begin the enumeration and USB management process.
  */
@@ -166,13 +136,54 @@ void EVENT_USB_Host_DeviceUnattached(void)
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
+       LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+
+       uint16_t ConfigDescriptorSize;
+       uint8_t  ConfigDescriptorData[512];
+
+       if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
+                                              sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
+       {
+               puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       if (CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface,
+                                   ConfigDescriptorSize, ConfigDescriptorData) != CDC_ENUMERROR_NoError)
+       {
+               puts_P(PSTR("Attached Device Not a Valid CDC Class Device.\r\n"));
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+       {
+               puts_P(PSTR("Error Setting Device Configuration.\r\n"));
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+       
+       VirtualSerial_CDC_Interface.State.LineEncoding.BaudRateBPS = 9600;
+       VirtualSerial_CDC_Interface.State.LineEncoding.CharFormat  = CDC_LINEENCODING_OneStopBit;
+       VirtualSerial_CDC_Interface.State.LineEncoding.ParityType  = CDC_PARITY_None;
+       VirtualSerial_CDC_Interface.State.LineEncoding.DataBits    = 8;
+       
+       if (CDC_Host_SetLineEncoding(&VirtualSerial_CDC_Interface))
+       {
+               puts_P(PSTR("Error Setting Device Line Encoding.\r\n"));
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return; 
+       }
+
+       puts_P(PSTR("CDC Device Enumerated.\r\n"));
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 {
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 {
-       USB_ShutDown();
+       USB_Disable();
 
        printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
                                 " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 
        printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
                                 " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);