sravan/Marlin-Firmware
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Added 20MHz support.

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This commit is contained in:
Erik van der Zalm
2012-03-11 12:25:04 +01:00
parent 7cefad3744
commit 910f4e77a2
4 changed files with 84 additions and 11 deletions
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7
Marlin/create_speed_lookuptable.py
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@@ -22,11 +22,8 @@ print
print '#include "Marlin.h"'
print
# Based on timer calculations of 'RepRap cartesian firmware' by Zack
# Smith and Philip Tiefenbacher.
print "const uint16_t speed_lookuptable_fast[256][2] PROGMEM = {"
a = [ timer_freq / ((i*256)+32) for i in range(256) ]
a = [ timer_freq / ((i*256)+(args.cpu_freq*2)) for i in range(256) ]
b = [ a[i] - a[i+1] for i in range(255) ]
b.append(b[-1])
for i in range(32):
@@ -38,7 +35,7 @@ print "};"
print
print "const uint16_t speed_lookuptable_slow[256][2] PROGMEM = {"
a = [ timer_freq / ((i*8)+32) for i in range(256) ]
a = [ timer_freq / ((i*8)+(args.cpu_freq*2)) for i in range(256) ]
b = [ a[i] - a[i+1] for i in range(255) ]
b.append(b[-1])
for i in range(32):