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[pub/lufa.git] / Projects / XPLAINBridge / XPLAINBridge.c

diff --git a/Projects/XPLAINBridge/XPLAINBridge.c b/Projects/XPLAINBridge/XPLAINBridge.c
index ce23862..ad3fc6c 100644 (file)
--- 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();
@@ -88,9 +86,14 @@ int main(void)
        for (;;)
        {
                if (CurrentFirmwareMode == MODE_USART_BRIDGE)
-                 USARTBridge_Task();
+               {
+                       USARTBridge_Task();
+               }
                else
-                 AVRISP_Task();
+               {
+                       AVRISP_Task();
+                       V2Params_UpdateParamValues();
+               }
 
                USB_USBTask();
        }
@@ -123,37 +126,12 @@ void USARTBridge_Task(void)
          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 +151,17 @@ 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);