X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/9c037a952f5aaf78c4e13398506cfa2d588bb449..55d7e1e65bccd6b4c44802cf971f39eb05e6e57a:/Projects/XPLAINBridge/XPLAINBridge.c

diff --git a/Projects/XPLAINBridge/XPLAINBridge.c b/Projects/XPLAINBridge/XPLAINBridge.c
index ce23862dd..2a71c5617 100644
--- a/Projects/XPLAINBridge/XPLAINBridge.c
+++ b/Projects/XPLAINBridge/XPLAINBridge.c
@@ -77,10 +77,8 @@ int main(void)
 {
 	SetupHardware();
 	
-	USBtoUART_Buffer.In  = USBtoUART_Buffer.Buffer;
-	USBtoUART_Buffer.Out = USBtoUART_Buffer.Buffer;
-	UARTtoUSB_Buffer.In  = UARTtoUSB_Buffer.Buffer;
-	UARTtoUSB_Buffer.Out = UARTtoUSB_Buffer.Buffer;
+	RingBuffer_InitBuffer(&USBtoUART_Buffer);
+	RingBuffer_InitBuffer(&UARTtoUSB_Buffer);
 	
 	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 	sei();
@@ -88,7 +86,7 @@ int main(void)
 	for (;;)
 	{
 		if (CurrentFirmwareMode == MODE_USART_BRIDGE)
-		  USARTBridge_Task();
+		  UARTBridge_Task();
 		else
 		  AVRISP_Task();
 
@@ -102,6 +100,8 @@ void AVRISP_Task(void)
 	if (USB_DeviceState != DEVICE_STATE_Configured)
 	  return;
 
+	V2Params_UpdateParamValues();
+
 	Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPNUM);
 	
 	/* Check to see if a V2 Protocol command has been received */
@@ -116,44 +116,19 @@ void AVRISP_Task(void)
 	}
 }
 
-void USARTBridge_Task(void)
+void UARTBridge_Task(void)
 {
 	/* Must be in the configured state for the USART Bridge code to process data */
 	if (USB_DeviceState != DEVICE_STATE_Configured)
 	  return;
 
 	/* Read bytes from the USB OUT endpoint into the UART transmit buffer */
-	for (uint8_t DataBytesRem = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); DataBytesRem != 0; DataBytesRem--)
-	{
-		*USBtoUART_Buffer.In = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
-
-		if (++USBtoUART_Buffer.In == &USBtoUART_Buffer.Buffer[128])
-		  USBtoUART_Buffer.In = USBtoUART_Buffer.Buffer;
-	}
+	if (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface))
+	  RingBuffer_Insert(&USBtoUART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
 	
 	/* Read bytes from the UART receive buffer into the USB IN endpoint */
-	if (UARTtoUSB_Buffer.In != UARTtoUSB_Buffer.Out)
-	{
-		CDC_Device_SendByte(&VirtualSerial_CDC_Interface, *UARTtoUSB_Buffer.Out);
-		if (++UARTtoUSB_Buffer.Out == &UARTtoUSB_Buffer.Buffer[128])
-		  UARTtoUSB_Buffer.Out = UARTtoUSB_Buffer.Buffer;
-	}
-	
-	/* Load bytes from the UART transmit buffer into the UART */
-	if ((USBtoUART_Buffer.In != USBtoUART_Buffer.Out) && SoftUART_IsReady())
-	{
-		SoftUART_TxByte(*USBtoUART_Buffer.Out);
-		if (++USBtoUART_Buffer.Out == &USBtoUART_Buffer.Buffer[128])
-		  USBtoUART_Buffer.Out = USBtoUART_Buffer.Buffer;
-	}
-	
-	/* Load bytes from the UART into the UART receive buffer */
-	if (SoftUART_IsReceived())
-	{
-		*UARTtoUSB_Buffer.In = SoftUART_RxByte();
-		if (++UARTtoUSB_Buffer.In == &UARTtoUSB_Buffer.Buffer[128])
-		  UARTtoUSB_Buffer.In = UARTtoUSB_Buffer.Buffer;		
-	}
+	if (UARTtoUSB_Buffer.Count)
+	  CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_Remove(&UARTtoUSB_Buffer));
 
 	CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
 }
@@ -173,17 +148,17 @@ void SetupHardware(void)
 	LEDs_Init();
 	USB_Init();
 	V2Protocol_Init();
-	
+
 	/* Disable JTAG debugging */
 	MCUCR |= (1 << JTD);
 	MCUCR |= (1 << JTD);
 
-	/* Enable pullup on the JTAG TDI pin so we can use it to select the mode */
+	/* Enable pull-up on the JTAG TDI pin so we can use it to select the mode */
 	PORTF |= (1 << 7);
 	_delay_ms(10);
 
 	/* Select the firmware mode based on the JTD pin's value */
-	CurrentFirmwareMode = MODE_USART_BRIDGE; // TEMP (PINF & (1 << 7)) ? MODE_USART_BRIDGE : MODE_PDI_PROGRAMMER;
+	CurrentFirmwareMode = (PINF & (1 << 7)) ? MODE_USART_BRIDGE : MODE_PDI_PROGRAMMER;
 
 	/* Re-enable JTAG debugging */
 	MCUCR &= ~(1 << JTD);