/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2015.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2015 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, 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
+ 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
+ The author disclaims 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
* Main source file for the VirtualSerialHost demo. This file contains the main tasks of
* the demo and is responsible for the initial application hardware configuration.
*/
-
+
#include "VirtualSerialHost.h"
/** LUFA CDC Class driver interface configuration and state information. This structure is
{
.Config =
{
- .DataINPipeNumber = 1,
- .DataINPipeDoubleBank = false,
-
- .DataOUTPipeNumber = 2,
- .DataOUTPipeDoubleBank = false,
-
- .NotificationPipeNumber = 3,
- .NotificationPipeDoubleBank = false,
+ .DataINPipe =
+ {
+ .Address = (PIPE_DIR_IN | 1),
+ .Banks = 1,
+ },
+ .DataOUTPipe =
+ {
+ .Address = (PIPE_DIR_OUT | 2),
+ .Banks = 1,
+ },
+ .NotificationPipe =
+ {
+ .Address = (PIPE_DIR_IN | 3),
+ .Banks = 1,
+ },
},
};
-
+
+
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
puts_P(PSTR(ESC_FG_CYAN "CDC Host Demo running.\r\n" ESC_FG_WHITE));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
+ GlobalInterruptEnable();
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 */
- while (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))
- putchar(CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface));
-
- CDC_Host_Flush(&VirtualSerial_CDC_Interface);
- }
-
- break;
- }
-
+ CDCHost_Task();
+
CDC_Host_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
+#if (ARCH == ARCH_AVR8)
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
+#endif
/* Hardware Initialization */
- SerialStream_Init(9600, false);
+ Serial_Init(9600, false);
LEDs_Init();
USB_Init();
+
+ /* Create a stdio stream for the serial port for stdin and stdout */
+ 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
*/
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)
{
- USB_ShutDown();
+ USB_Disable();
printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
" -- Error Code %d\r\n"
" -- Sub Error Code %d\r\n"
" -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
-
+
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
+
projects / pub / USBasp.git / blobdiff