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@ -37,10 +37,10 @@
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#include "USBtoSerial.h"
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/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */
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RingBuff_t Rx_Buffer;
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RingBuff_t USBtoUSART_Buffer;
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/** Circular buffer to hold data from the serial port before it is sent to the host. */
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RingBuff_t Tx_Buffer;
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RingBuff_t USARTtoUSB_Buffer;
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/** LUFA CDC Class driver interface configuration and state information. This structure is
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* passed to all CDC Class driver functions, so that multiple instances of the same class
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@ -70,8 +70,8 @@ int main(void)
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{
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SetupHardware();
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Buffer_Initialize(&Rx_Buffer);
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Buffer_Initialize(&Tx_Buffer);
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Buffer_Initialize(&USBtoUSART_Buffer);
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Buffer_Initialize(&USARTtoUSB_Buffer);
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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@ -80,19 +80,19 @@ int main(void)
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/* Read bytes from the USB OUT endpoint into the USART transmit buffer */
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for (uint8_t DataBytesRem = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); DataBytesRem != 0; DataBytesRem--)
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{
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if (!(BUFF_STATICSIZE - Rx_Buffer.Elements))
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if (!(BUFF_STATICSIZE - USBtoUSART_Buffer.Elements))
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break;
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Buffer_StoreElement(&Rx_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
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Buffer_StoreElement(&USBtoUSART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
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}
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/* Read bytes from the USART receive buffer into the USB IN endpoint */
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if (Tx_Buffer.Elements)
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CDC_Device_SendByte(&VirtualSerial_CDC_Interface, Buffer_GetElement(&Tx_Buffer));
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if (USARTtoUSB_Buffer.Elements)
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CDC_Device_SendByte(&VirtualSerial_CDC_Interface, Buffer_GetElement(&USARTtoUSB_Buffer));
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/* Load bytes from the USART transmit buffer into the USART */
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if (Rx_Buffer.Elements)
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Serial_TxByte(Buffer_GetElement(&Rx_Buffer));
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if (USBtoUSART_Buffer.Elements)
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Serial_TxByte(Buffer_GetElement(&USBtoUSART_Buffer));
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CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
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USB_USBTask();
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@ -150,7 +150,7 @@ ISR(USART1_RX_vect, ISR_BLOCK)
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uint8_t ReceivedByte = UDR1;
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if (USB_DeviceState == DEVICE_STATE_Configured)
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Buffer_StoreElement(&Tx_Buffer, ReceivedByte);
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Buffer_StoreElement(&USARTtoUSB_Buffer, ReceivedByte);
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}
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/** Event handler for the CDC Class driver Line Encoding Changed event.
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