eqmk/qmk_firmware
1
0
Fork 0
forked from mfulz_github/qmk_firmware
Code Issues Pull Requests Projects Releases Wiki Activity

Make XPLAINBridge serial bridge much more reliable for the reception of characters from the XMEGA through the software UART interface.

Browse Source
This commit is contained in:
Dean Camera 2010-06-24 08:12:27 +00:00
parent ad29e79b94
commit 55d7e1e65b
1 changed files with 5 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
Projects/XPLAINBridge/Lib/SoftUART.c
View File

@ -79,18 +79,12 @@ ISR(INT0_vect, ISR_BLOCK)
RX_Data = 0; RX_Data = 0;
RX_BitMask = (1 << 0); RX_BitMask = (1 << 0);
/* Check that the start bit is still low to prevent noise from triggering a reception */ /* Clear reception channel ISR flag and enable the bit reception ISR */
if (!(SRXPIN & (1 << SRX))) TIFR1 = (1 << OCF1A);
{ TIMSK1 = (1 << OCIE1A);
/* Clear reception channel ISR flag in case it is pending */
TIFR1 = (1 << OCF1A);
/* Still low, enable bit receive ISR */ /* Disable start bit detection ISR while the next byte is received */
TIMSK1 = (1 << OCIE1A); EIMSK &= ~(1 << INT0);
/* Clear the start bit detection ISR flag */
EIMSK &= ~(1 << INT0);
}
} }
/** ISR to manage the reception of bits to the software UART. */ /** ISR to manage the reception of bits to the software UART. */