Speed up bit-banged USART code in the AVRISP project.

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

diff --git a/Projects/XPLAINBridge/Lib/SoftUART.c b/Projects/XPLAINBridge/Lib/SoftUART.c
index 390e6d5..ca3eaf7 100644 (file)
--- a/Projects/XPLAINBridge/Lib/SoftUART.c
+++ b/Projects/XPLAINBridge/Lib/SoftUART.c
@@ -68,7 +68,7 @@ void SoftUART_Init(void)
 {\r
        OCR2B  = TCNT2 + 1;                                             // force first compare\r
        TCCR2A = (1 << COM2B1) | (1 << COM2B0); // T1 mode 0\r
 {\r
        OCR2B  = TCNT2 + 1;                                             // force first compare\r
        TCCR2A = (1 << COM2B1) | (1 << COM2B0); // T1 mode 0\r

-       TCCR2B = (1 << FOC2B) | (1 << CS21);    // CLK/8, T1 mode 0\r
+       TCCR2B = (1 << FOC2B)  | (1 << CS21);   // CLK/8, T1 mode 0\r

        TIMSK2 = (1 << OCIE2B);                                 // enable tx and wait for start\r
        EICRA  = (1 << ISC01);                                  // -ve edge\r
        EIMSK  = (1 << INT0);                                   // enable INT0 interrupt\r
        TIMSK2 = (1 << OCIE2B);                                 // enable tx and wait for start\r
        EICRA  = (1 << ISC01);                                  // -ve edge\r
        EIMSK  = (1 << INT0);                                   // enable INT0 interrupt\r


@@ -76,7 +76,7 @@ void SoftUART_Init(void)
        stx_count = 0;                                                  // nothing to send\r
        srx_done = 0;                                                   // nothing received\r
        STXPORT |= 1 << STX;                                    // TX output\r
        stx_count = 0;                                                  // nothing to send\r
        srx_done = 0;                                                   // nothing received\r
        STXPORT |= 1 << STX;                                    // TX output\r

-       STXDDR |= 1 << STX;                                             // TX output\r
+       STXDDR  |= 1 << STX;                                    // TX output\r

        SRXPORT |= (1 << SRX);                                  // pullup on INT0\r
 }\r
 \r
        SRXPORT |= (1 << SRX);                                  // pullup on INT0\r
 }\r
 \r