michi/qmk_firmware
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Make software USART used in the XPLAINBridge project directly check and store into the ring buffers, rather than polling from the main program loop to avoid added latency.

Browse Source
This commit is contained in:
Dean Camera
2010-05-26 06:59:55 +00:00
parent 9b29d1dc50
commit 79742c5d24
5 changed files with 42 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Projects/XPLAINBridge/XPLAINBridge.c
+2 -10
View File
@@ -125,17 +125,9 @@ void USARTBridge_Task(void)
RingBuffer_Insert(&USBtoUART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
/* Read bytes from the UART receive buffer into the USB IN endpoint */
if (!(RingBuffer_Empty(&UARTtoUSB_Buffer)))
if (UARTtoUSB_Buffer.Count)
CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_Remove(&UARTtoUSB_Buffer));
/* Load bytes from the UART transmit buffer into the UART */
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())
RingBuffer_Insert(&UARTtoUSB_Buffer, SoftUART_RxByte());
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
}