ahoneybun/qmk_firmware
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Added board hardware driver support for the Adafruit U4 breakout board.

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Fixed calculation of timer register reload values derived from F_CPU; must subtract one from the division result for the compare value to be correct.

Change AVRISP-MKII rescue clock speed to 4MHz to ensure that a 125KHz ISP speed works regardless of the target's fuses (i.e. DIV8 set).
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Dean Camera 2010-11-08 03:41:48 +00:00
parent bac860b173
commit 0ce2950d81
14 changed files with 148 additions and 13 deletions
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Projects/TempDataLogger/TempDataLogger.c
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@ -208,7 +208,7 @@ void SetupHardware(void)
TWI_Init();
/* 500ms logging interval timer configuration */
OCR1A = ((F_CPU / 1024) / 2);
OCR1A = (((F_CPU / 1024) / 2) - 1);
TCCR1B = (1 << WGM12) | (1 << CS12) | (1 << CS10);
TIMSK1 = (1 << OCIE1A);