From fe20079300e19e21b64ea428c019ca729670627f Mon Sep 17 00:00:00 2001
From: soypat <graded.sp@gmail.com>
Date: Thu, 8 Jan 2026 19:14:30 -0300
Subject: [PATCH] rp2: prevent pwm Period method overflow

---
 src/machine/machine_rp2_pwm.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/machine/machine_rp2_pwm.go b/src/machine/machine_rp2_pwm.go
index 772811e36..1a765947b 100644
--- a/src/machine/machine_rp2_pwm.go
+++ b/src/machine/machine_rp2_pwm.go
@@ -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.