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Started implementing the low level PDI protocol in the AVRISP project, for XMEGA device programming.

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This commit is contained in:
Dean Camera 2009-12-03 00:53:45 +00:00
parent f92b56191d
commit f69f03cb0d
10 changed files with 240 additions and 37 deletions
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4
Projects/XPLAINBridge/Lib/SoftUART.c
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@ -68,7 +68,7 @@ void SoftUART_Init(void)
{
OCR2B = TCNT2 + 1; // force first compare
TCCR2A = (1 << COM2B1) | (1 << COM2B0); // T1 mode 0
TCCR2B = (1 << FOC2B) | (1 << CS21); // CLK/8, T1 mode 0
TCCR2B = (1 << FOC2B) | (1 << CS21); // CLK/8, T1 mode 0
TIMSK2 = (1 << OCIE2B); // enable tx and wait for start
EICRA = (1 << ISC01); // -ve edge
EIMSK = (1 << INT0); // enable INT0 interrupt
@ -76,7 +76,7 @@ void SoftUART_Init(void)
stx_count = 0; // nothing to send
srx_done = 0; // nothing received
STXPORT |= 1 << STX; // TX output
STXDDR |= 1 << STX; // TX output
STXDDR |= 1 << STX; // TX output
SRXPORT |= (1 << SRX); // pullup on INT0
}