Differences

This shows you the differences between two versions of the page.

--- reprap:anet:anet_mainboard_overclocking [2018/01/04 15:30] – gmarsh23
+++ reprap:anet:anet_mainboard_overclocking [2018/01/04 15:37] – [Marlin changes] gmarsh23
@@ Line 178: / Line 178: @@
   #define DELAY_9_NOP DELAY_1_NOP; DELAY_8_NOP
-Lastly, find the following section:
+Next find the following section:
   #if CYCLES_PER_MICROSECOND == 16
@@ Line 186: / Line 186: @@
   #endif
-Add the two middle lines shown, with the values altered to correspond to the crystal frequency you've chosen. Here is the setting for 24MHz - Note that "DELAY_20_NOP" and "DELAY_4_NOP" add up to 24.
+Add the two additional lines shown (the #elif line and the line after), with the "24" value altered to correspond to the crystal frequency you've chosen. Here is the setting for 24MHz - Note that "DELAY_20_NOP" and "DELAY_4_NOP" add up to 24. If you're using a frequency that isn't a multiple of 1MHz, then round up (eg, use 25 for a 24.576MHz crystal)
   #if CYCLES_PER_MICROSECOND == 16
@@ Line 222: / Line 222: @@
   python createSpeedLookupTable.py --cpu-freq 25 > new_table.h
-If you're using a crystal frequency which isn't a multiple of 1MHz, you'll need to edit the script to remove the "* 1000000" line, and call the script with --cpu-freq <hz> instead.
+If you're using a crystal frequency which isn't a multiple of 1MHz, you'll need to edit the script to remove the "* 1000000", and call the script with --cpu-freq <hz> instead.
 ==== Compiling and installing new firmware ====
 There are many guides online describing how to compile and install Marlin on an Anet A8. Find one and link it here :)