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Diffstat (limited to 'Projects/XPLAINBridge/XPLAINBridge.c')
-rw-r--r--Projects/XPLAINBridge/XPLAINBridge.c37
1 files changed, 9 insertions, 28 deletions
diff --git a/Projects/XPLAINBridge/XPLAINBridge.c b/Projects/XPLAINBridge/XPLAINBridge.c
index ce23862dd..5798c21a5 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();
@@ -124,36 +122,19 @@ void USARTBridge_Task(void)
/* 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;
- }
+ 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;
- }
+ if (!(RingBuffer_Empty(&UARTtoUSB_Buffer)))
+ CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_Remove(&UARTtoUSB_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;
- }
+ if (!(RingBuffer_Empty(&USBtoUART_Buffer)) && SoftUART_IsReady())
+ SoftUART_TxByte(RingBuffer_Remove(&USBtoUART_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;
- }
+ RingBuffer_Insert(&UARTtoUSB_Buffer, SoftUART_RxByte());
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
}
@@ -183,7 +164,7 @@ void SetupHardware(void)
_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);