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rp2: prevent pwm Period method overflow

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soypat
2026-01-08 19:14:30 -03:00
committed by Ron Evans
parent 068d7c1b44
commit fe20079300
1 changed files with 1 additions and 1 deletions
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src/machine/machine_rp2_pwm.go
+1 -1
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@@ -153,7 +153,7 @@ func (p *pwmGroup) Period() uint64 {
top := p.getWrap()
phc := p.getPhaseCorrect()
Int, frac := p.getClockDiv()
return (16*uint64(Int) + uint64(frac)) * uint64((top+1)*(phc+1)*1e9) / (16 * freq) // cycles = (TOP+1) * (CSRPHCorrect + 1) * (DIV_INT + DIV_FRAC/16)
return (16*uint64(Int) + uint64(frac)) * uint64((top+1)*(phc+1)) * uint64(1e9) / (16 * freq) // cycles = (TOP+1) * (CSRPHCorrect + 1) * (DIV_INT + DIV_FRAC/16)
}
// SetInverting sets whether to invert the output of this channel.