First of all I may be wrong with these timer calculations (I am new at arduino
timers) but after reading this page
"http://arduino.cc/en/Tutorial/SecretsOfArduinoPWM", while I was studying your
tlc5940.cpp file I realized that there are "8190 * 2 = 16380" cycles (16380 *
62.5ns) between your falling and rising edge of the BLANK signal. And If am not
wrong I calculated that your GSCLK signal is generated 62.5ns of every 250ns (1
of 4 cycles). That means between falling and rising edge of the BLANK signal,
there could only be squeezed 4095 GSCLK pulses. This means that you may need to
change PWM period to at least 8194 while GSCLK is 3. Time between falling and
rising edge of BLANK will be (8194 - 2) * 2 * 62.5ns is equal to 4096 * 250ns.
Then we meet up the time requirements to generate 4096 GSCLK pulses between
falling and rising edge of the BLANK signal.
Original issue reported on code.google.com by merd...@gmail.com on 8 Jul 2014 at 11:03
Original issue reported on code.google.com by
merd...@gmail.comon 8 Jul 2014 at 11:03Attachments: