aboutsummaryrefslogtreecommitdiffstats
path: root/Projects/USBtoSerial/USBtoSerial.c
diff options
context:
space:
mode:
Diffstat (limited to 'Projects/USBtoSerial/USBtoSerial.c')
-rw-r--r--Projects/USBtoSerial/USBtoSerial.c396
1 files changed, 198 insertions, 198 deletions
diff --git a/Projects/USBtoSerial/USBtoSerial.c b/Projects/USBtoSerial/USBtoSerial.c
index 1b4cab289..dd9a133c3 100644
--- a/Projects/USBtoSerial/USBtoSerial.c
+++ b/Projects/USBtoSerial/USBtoSerial.c
@@ -1,198 +1,198 @@
-/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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
- 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
- software without specific, written prior permission.
-
- The author disclaim 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
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * Main source file for the USBtoSerial project. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "USBtoSerial.h"
-
-/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */
-RingBuff_t USBtoUSART_Buffer;
-
-/** Circular buffer to hold data from the serial port before it is sent to the host. */
-RingBuff_t USARTtoUSB_Buffer;
-
-/** LUFA CDC Class driver interface configuration and state information. This structure is
- * passed to all CDC Class driver functions, so that multiple instances of the same class
- * within a device can be differentiated from one another.
- */
-USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
- {
- .Config =
- {
- .ControlInterfaceNumber = 0,
-
- .DataINEndpointNumber = CDC_TX_EPNUM,
- .DataINEndpointSize = CDC_TXRX_EPSIZE,
- .DataINEndpointDoubleBank = false,
-
- .DataOUTEndpointNumber = CDC_RX_EPNUM,
- .DataOUTEndpointSize = CDC_TXRX_EPSIZE,
- .DataOUTEndpointDoubleBank = false,
-
- .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
- .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,
- .NotificationEndpointDoubleBank = false,
- },
- };
-
-/** Main program entry point. This routine contains the overall program flow, including initial
- * setup of all components and the main program loop.
- */
-int main(void)
-{
- SetupHardware();
-
- Buffer_Initialize(&USBtoUSART_Buffer);
- Buffer_Initialize(&USARTtoUSB_Buffer);
-
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
-
- for (;;)
- {
- /* Read bytes from the USB OUT endpoint into the USART transmit buffer */
- for (uint8_t DataBytesRem = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); DataBytesRem != 0; DataBytesRem--)
- {
- if (!(BUFF_STATICSIZE - USBtoUSART_Buffer.Elements))
- break;
-
- Buffer_StoreElement(&USBtoUSART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
- }
-
- /* Read bytes from the USART receive buffer into the USB IN endpoint */
- while (USARTtoUSB_Buffer.Elements)
- CDC_Device_SendByte(&VirtualSerial_CDC_Interface, Buffer_GetElement(&USARTtoUSB_Buffer));
-
- /* Load bytes from the USART transmit buffer into the USART */
- while (USBtoUSART_Buffer.Elements)
- Serial_TxByte(Buffer_GetElement(&USBtoUSART_Buffer));
-
- CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
- USB_USBTask();
- }
-}
-
-/** Configures the board hardware and chip peripherals for the demo's functionality. */
-void SetupHardware(void)
-{
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Disable clock division */
- clock_prescale_set(clock_div_1);
-
- /* Hardware Initialization */
- Serial_Init(9600, false);
- LEDs_Init();
- USB_Init();
-}
-
-/** Event handler for the library USB Connection event. */
-void EVENT_USB_Device_Connect(void)
-{
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-}
-
-/** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Device_Disconnect(void)
-{
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-}
-
-/** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
-
- if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-}
-
-/** Event handler for the library USB Unhandled Control Request event. */
-void EVENT_USB_Device_UnhandledControlRequest(void)
-{
- CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
-}
-
-/** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer
- * for later transmission to the host.
- */
-ISR(USART1_RX_vect, ISR_BLOCK)
-{
- uint8_t ReceivedByte = UDR1;
-
- if (USB_DeviceState == DEVICE_STATE_Configured)
- Buffer_StoreElement(&USARTtoUSB_Buffer, ReceivedByte);
-}
-
-/** Event handler for the CDC Class driver Line Encoding Changed event.
- *
- * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced
- */
-void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
-{
- uint8_t ConfigMask = 0;
-
- switch (CDCInterfaceInfo->State.LineEncoding.ParityType)
- {
- case CDC_PARITY_Odd:
- ConfigMask = ((1 << UPM11) | (1 << UPM10));
- break;
- case CDC_PARITY_Even:
- ConfigMask = (1 << UPM11);
- break;
- }
-
- if (CDCInterfaceInfo->State.LineEncoding.CharFormat == CDC_LINEENCODING_TwoStopBits)
- ConfigMask |= (1 << USBS1);
-
- switch (CDCInterfaceInfo->State.LineEncoding.DataBits)
- {
- case 6:
- ConfigMask |= (1 << UCSZ10);
- break;
- case 7:
- ConfigMask |= (1 << UCSZ11);
- break;
- case 8:
- ConfigMask |= ((1 << UCSZ11) | (1 << UCSZ10));
- break;
- }
-
- UCSR1A = (1 << U2X1);
- UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));
- UCSR1C = ConfigMask;
- UBRR1 = SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);
-}
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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
+ 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
+ software without specific, written prior permission.
+
+ The author disclaim 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
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Main source file for the USBtoSerial project. This file contains the main tasks of
+ * the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "USBtoSerial.h"
+
+/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */
+RingBuff_t USBtoUSART_Buffer;
+
+/** Circular buffer to hold data from the serial port before it is sent to the host. */
+RingBuff_t USARTtoUSB_Buffer;
+
+/** LUFA CDC Class driver interface configuration and state information. This structure is
+ * passed to all CDC Class driver functions, so that multiple instances of the same class
+ * within a device can be differentiated from one another.
+ */
+USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
+ {
+ .Config =
+ {
+ .ControlInterfaceNumber = 0,
+
+ .DataINEndpointNumber = CDC_TX_EPNUM,
+ .DataINEndpointSize = CDC_TXRX_EPSIZE,
+ .DataINEndpointDoubleBank = false,
+
+ .DataOUTEndpointNumber = CDC_RX_EPNUM,
+ .DataOUTEndpointSize = CDC_TXRX_EPSIZE,
+ .DataOUTEndpointDoubleBank = false,
+
+ .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
+ .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,
+ .NotificationEndpointDoubleBank = false,
+ },
+ };
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ * setup of all components and the main program loop.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ Buffer_Initialize(&USBtoUSART_Buffer);
+ Buffer_Initialize(&USARTtoUSB_Buffer);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ sei();
+
+ for (;;)
+ {
+ /* Read bytes from the USB OUT endpoint into the USART transmit buffer */
+ for (uint8_t DataBytesRem = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); DataBytesRem != 0; DataBytesRem--)
+ {
+ if (!(BUFF_STATICSIZE - USBtoUSART_Buffer.Elements))
+ break;
+
+ Buffer_StoreElement(&USBtoUSART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
+ }
+
+ /* Read bytes from the USART receive buffer into the USB IN endpoint */
+ while (USARTtoUSB_Buffer.Elements)
+ CDC_Device_SendByte(&VirtualSerial_CDC_Interface, Buffer_GetElement(&USARTtoUSB_Buffer));
+
+ /* Load bytes from the USART transmit buffer into the USART */
+ while (USBtoUSART_Buffer.Elements)
+ Serial_TxByte(Buffer_GetElement(&USBtoUSART_Buffer));
+
+ CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
+ USB_USBTask();
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+
+ /* Hardware Initialization */
+ Serial_Init(9600, false);
+ LEDs_Init();
+ USB_Init();
+}
+
+/** Event handler for the library USB Connection event. */
+void EVENT_USB_Device_Connect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the library USB Disconnection event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the library USB Configuration Changed event. */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
+ if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
+{
+ CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
+}
+
+/** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer
+ * for later transmission to the host.
+ */
+ISR(USART1_RX_vect, ISR_BLOCK)
+{
+ uint8_t ReceivedByte = UDR1;
+
+ if (USB_DeviceState == DEVICE_STATE_Configured)
+ Buffer_StoreElement(&USARTtoUSB_Buffer, ReceivedByte);
+}
+
+/** Event handler for the CDC Class driver Line Encoding Changed event.
+ *
+ * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced
+ */
+void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ uint8_t ConfigMask = 0;
+
+ switch (CDCInterfaceInfo->State.LineEncoding.ParityType)
+ {
+ case CDC_PARITY_Odd:
+ ConfigMask = ((1 << UPM11) | (1 << UPM10));
+ break;
+ case CDC_PARITY_Even:
+ ConfigMask = (1 << UPM11);
+ break;
+ }
+
+ if (CDCInterfaceInfo->State.LineEncoding.CharFormat == CDC_LINEENCODING_TwoStopBits)
+ ConfigMask |= (1 << USBS1);
+
+ switch (CDCInterfaceInfo->State.LineEncoding.DataBits)
+ {
+ case 6:
+ ConfigMask |= (1 << UCSZ10);
+ break;
+ case 7:
+ ConfigMask |= (1 << UCSZ11);
+ break;
+ case 8:
+ ConfigMask |= ((1 << UCSZ11) | (1 << UCSZ10));
+ break;
+ }
+
+ UCSR1A = (1 << U2X1);
+ UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));
+ UCSR1C = ConfigMask;
+ UBRR1 = SERIAL_2X_UBBRVAL(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);
+}