Fixed PDI/TPI programming speed of ~250KHz in the AVRISP-MKII Clone project, instead of the desired 500KHz.
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4 changed files with 8 additions and 4 deletions
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@ -79,7 +79,7 @@ void XPROGTarget_EnableTargetTPI(void)
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DDRD &= ~(1 << 2);
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/* Set up the synchronous USART for TINY communications - 8 data bits, even parity, 2 stop bits */
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UBRR1 = (F_CPU / XPROG_HARDWARE_SPEED);
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UBRR1 = ((F_CPU / 2 / XPROG_HARDWARE_SPEED) - 1);
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UCSR1B = (1 << TXEN1);
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UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);
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