X-Git-Url: https://defiant.homedns.org/gitweb/?a=blobdiff_plain;f=bus_pirate.py;h=cdd259fa7581ee42dba23da879fbf10b3aa4d287;hb=168dab3d39b51986bc623878aeb541d26bc24cc8;hp=52a1c5c1b759fc2f8f20fd633b0fbbbc9ec4f3f9;hpb=5e8ea81e656170f78ed9c126ad857955d81cc414;p=pyshared.git

diff --git a/bus_pirate.py b/bus_pirate.py
index 52a1c5c..cdd259f 100644
--- a/bus_pirate.py
+++ b/bus_pirate.py
@@ -65,7 +65,7 @@ class BP:
 		return v[0]/1024.0*6.6
 
 	# http://codepad.org/qtYpZmIF
-	def pwm(self, freq, duty_cycle):
+	def pwm(self, freq, duty_cycle_percent):
 		lPrescaler = {0:1, 1:8 , 2:64, 3:256}
 		Fosc = 32e6
 		Tcy = 2.0 / Fosc
@@ -77,12 +77,12 @@ class BP:
 			prescaler = lPrescaler[i]
 			PRy = period * 1.0 / (Tcy * prescaler)
 			PRy = int(PRy - 1)
-			OCR = int(PRy * duty_cycle)
+			OCR = int(PRy * duty_cycle_percent)
 
 			if PRy < (2 ** 16 - 1):
 				break # valid value for PRy, keep values
 
-		cmd = struct.pack(">BBHH", 0b00010010, prescaler, duty_cycle, period)
+		cmd = struct.pack(">BBHH", 0b00010010, i, OCR, PRy)
 		ret = self.command(cmd, 1)
 		if ord(ret) != 0x1:
 			raise Exception()