Fixed software application start command broken in the DFU class bootloader when...

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

diff --git a/Projects/XPLAINBridge/XPLAINBridge.c b/Projects/XPLAINBridge/XPLAINBridge.c
index 7a1bcb3..f02fe9b 100644 (file)
--- a/Projects/XPLAINBridge/XPLAINBridge.c
+++ b/Projects/XPLAINBridge/XPLAINBridge.c
@@ -36,8 +36,8 @@
 
 #include "XPLAINBridge.h"
 
-/* Current firmware mode, making the device behave as either a programmer or a USART bridge */
-bool CurrentFirmwareMode = MODE_PDI_PROGRAMMER;
+/** Current firmware mode, making the device behave as either a programmer or a USART bridge */
+bool CurrentFirmwareMode = MODE_USART_BRIDGE;
 
 /** 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
@@ -122,16 +122,17 @@ void UARTBridge_Task(void)
        /* Read bytes from the USB OUT endpoint into the UART transmit buffer */
        int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
        if (!(ReceivedByte < 0) && !(RingBuffer_IsFull(&USBtoUART_Buffer)))
-         RingBuffer_AtomicInsert(&USBtoUART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
+         RingBuffer_Insert(&USBtoUART_Buffer, ReceivedByte);
        
-       /* Check if the software UART flush timer has expired */
-       if (TIFR0 & (1 << TOV0))
+       /* Check if the UART receive buffer flush timer has expired or buffer is nearly full */
+       RingBuff_Count_t BufferCount = RingBuffer_GetCount(&UARTtoUSB_Buffer);
+       if ((TIFR0 & (1 << TOV0)) || (BufferCount > 200))
        {
                TIFR0 |= (1 << TOV0);
 
                /* Read bytes from the UART receive buffer into the USB IN endpoint */
-               while (UARTtoUSB_Buffer.Count)
-                 CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_AtomicRemove(&UARTtoUSB_Buffer));
+               while (BufferCount--)
+                 CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_Remove(&UARTtoUSB_Buffer));
        }
 
        CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
@@ -184,6 +185,9 @@ void EVENT_USB_Device_ConfigurationChanged(void)
                /* Initialize ring buffers used to hold serial data between USB and software UART interfaces */
                RingBuffer_InitBuffer(&USBtoUART_Buffer);
                RingBuffer_InitBuffer(&UARTtoUSB_Buffer);
+               
+               /* Start the software USART */
+               SoftUART_Init();
        }
        else
        {