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Save up to 94 bytes of RAM on 20x4 LCD Display machines (#6964)

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* Save up to 94 bytes of RAM on 20x4 LCD Display machines

Moved the custom screen characters out of RAM into Program Memory.  With
SD-Card support and the Progress Bar enabled, this saves 94 bytes of RAM
memory.

This was tested using the example_configurations/FolgerTech-i3-2020
files.  So a couple small changes to those files snuck into this Pull
Request.

Probably...  We can find similar savings in the Graphics LCD code it we
comb through it.   And if so...  That is the place we really need to
save RAM memory!

* Tidy up white space and indentation
This commit is contained in:
Roxy-3D
2017-06-05 17:02:00 -05:00
committed by GitHub
parent 04b07a6ecc
commit 0dd0033b33
4 changed files with 77 additions and 54 deletions
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Marlin/example_configurations/FolgerTech-i3-2020/Configuration.h
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@ -649,7 +649,7 @@
*/
#define X_PROBE_OFFSET_FROM_EXTRUDER 38 // X offset: -left +right [of the nozzle]
#define Y_PROBE_OFFSET_FROM_EXTRUDER -7 // Y offset: -front +behind [the nozzle]
#define Z_PROBE_OFFSET_FROM_EXTRUDER -10.1 // Z offset: -below +above [the nozzle]
#define Z_PROBE_OFFSET_FROM_EXTRUDER -10.4 // Z offset: -below +above [the nozzle]
// X and Y axis travel speed (mm/m) between probes
#define XY_PROBE_SPEED 7500