/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
+ Copyright (C) Dean Camera, 2012.
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
},
};
+
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
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 (PRNT_Host_ConfigurePipes(&Printer_PRNT_Interface,
- ConfigDescriptorSize, ConfigDescriptorData) != PRNT_ENUMERROR_NoError)
- {
- puts_P(PSTR("Attached Device Not a Valid Printer 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;
- }
-
- if (PRNT_Host_SetBidirectionalMode(&Printer_PRNT_Interface) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("Error Setting Bidirectional Mode.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("Printer Device Enumerated.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
-
- puts_P(PSTR("Retrieving Device ID...\r\n"));
-
- char DeviceIDString[300];
- if (PRNT_Host_GetDeviceID(&Printer_PRNT_Interface, DeviceIDString,
- sizeof(DeviceIDString)) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("Error Getting Device ID.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- printf_P(PSTR("Device ID: %s.\r\n"), DeviceIDString);
-
- char TestPageData[] = "\033%-12345X\033E" "LUFA PCL Test Page" "\033E\033%-12345X";
- uint16_t TestPageLength = strlen(TestPageData);
-
- printf_P(PSTR("Sending Test Page (%d bytes)...\r\n"), TestPageLength);
-
- if (PRNT_Host_SendData(&Printer_PRNT_Interface, &TestPageData, TestPageLength) != PIPE_RWSTREAM_NoError)
- {
- puts_P(PSTR("Error Sending Page Data.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("Test Page Sent.\r\n"));
-
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
+ PrinterHost_Task();
PRNT_Host_USBTask(&Printer_PRNT_Interface);
USB_USBTask();
Serial_CreateStream(NULL);
}
+/** Task to manage an enumerated USB printer once connected, to display device
+ * information and print a test PCL page.
+ */
+void PrinterHost_Task(void)
+{
+ if (USB_HostState != HOST_STATE_Configured)
+ return;
+
+ LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
+
+ puts_P(PSTR("Retrieving Device ID...\r\n"));
+
+ char DeviceIDString[300];
+ if (PRNT_Host_GetDeviceID(&Printer_PRNT_Interface, DeviceIDString,
+ sizeof(DeviceIDString)) != HOST_SENDCONTROL_Successful)
+ {
+ puts_P(PSTR("Error Getting Device ID.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ printf_P(PSTR("Device ID: %s.\r\n"), DeviceIDString);
+
+ char TestPageData[] = "\033%-12345X\033E" "LUFA PCL Test Page" "\033E\033%-12345X";
+ uint16_t TestPageLength = strlen(TestPageData);
+
+ printf_P(PSTR("Sending Test Page (%d bytes)...\r\n"), TestPageLength);
+
+ if (PRNT_Host_SendData(&Printer_PRNT_Interface, &TestPageData, TestPageLength) != PIPE_RWSTREAM_NoError)
+ {
+ puts_P(PSTR("Error Sending Page Data.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ puts_P(PSTR("Test Page Sent.\r\n"));
+
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ USB_Host_SetDeviceConfiguration(0);
+}
+
/** 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.
*/
*/
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 (PRNT_Host_ConfigurePipes(&Printer_PRNT_Interface,
+ ConfigDescriptorSize, ConfigDescriptorData) != PRNT_ENUMERROR_NoError)
+ {
+ puts_P(PSTR("Attached Device Not a Valid Printer 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;
+ }
+
+ if (PRNT_Host_SetBidirectionalMode(&Printer_PRNT_Interface) != HOST_SENDCONTROL_Successful)
+ {
+ puts_P(PSTR("Error Setting Bidirectional Mode.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ puts_P(PSTR("Printer 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)
{
- USB_ShutDown();
+ USB_Disable();
printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
projects / pub / USBasp.git / blobdiff