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Merge pull request #71 from neuralassembly/master 

Keeping compatibility of hardware clock of Pi 4 with earlier versions.
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Mark Liffiton 2019-12-31 15:24:56 -06:00 committed by GitHub
parent 1f908c5eed 651136a110
commit 5bbb6e34b8
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1 changed files with 5 additions and 0 deletions
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wiringPi/wiringPi.c
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@ -1218,6 +1218,11 @@ void pwmSetRange (unsigned int range)
void pwmSetClock (int divisor)
{
uint32_t pwm_control ;
if (piGpioBase == GPIO_PERI_BASE_2711)
{
divisor = 540*divisor/192;
}
divisor &= 4095 ;
if ((wiringPiMode == WPI_MODE_PINS) || (wiringPiMode == WPI_MODE_PHYS) || (wiringPiMode == WPI_MODE_GPIO))