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Arc segment radius scaling (#16551)

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Ryan
2020-01-21 00:53:26 -08:00
committed by Scott Lahteine
parent 79810b7fcb
commit b7f86bffd5
2 changed files with 11 additions and 7 deletions
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13
Marlin/Configuration_adv.h
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@@ -1567,14 +1567,15 @@
//
// G2/G3 Arc Support
//
#define ARC_SUPPORT // Disable this feature to save ~3226 bytes
#define ARC_SUPPORT // Disable this feature to save ~3226 bytes
#if ENABLED(ARC_SUPPORT)
#define MM_PER_ARC_SEGMENT 1 // (mm) Length (or minimum length) of each arc segment
#define MIN_ARC_SEGMENTS 24 // Minimum number of segments in a complete circle
#define MM_PER_ARC_SEGMENT 1 // (mm) Length (or minimum length) of each arc segment
//#define ARC_SEGMENTS_PER_R 1 // Max segment length, MM_PER = Min
#define MIN_ARC_SEGMENTS 24 // Minimum number of segments in a complete circle
//#define ARC_SEGMENTS_PER_SEC 50 // Use feedrate to choose segment length (with MM_PER_ARC_SEGMENT as the minimum)
#define N_ARC_CORRECTION 25 // Number of interpolated segments between corrections
//#define ARC_P_CIRCLES // Enable the 'P' parameter to specify complete circles
//#define CNC_WORKSPACE_PLANES // Allow G2/G3 to operate in XY, ZX, or YZ planes
#define N_ARC_CORRECTION 25 // Number of interpolated segments between corrections
//#define ARC_P_CIRCLES // Enable the 'P' parameter to specify complete circles
//#define CNC_WORKSPACE_PLANES // Allow G2/G3 to operate in XY, ZX, or YZ planes
#endif
// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.

5
Marlin/src/gcode/motion/G2_G3.cpp
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@@ -105,7 +105,10 @@ void plan_arc(
const feedRate_t scaled_fr_mm_s = MMS_SCALED(feedrate_mm_s);
#ifdef ARC_SEGMENTS_PER_SEC
#ifdef ARC_SEGMENTS_PER_R
float seg_length = MM_PER_ARC_SEGMENT * radius;
LIMIT(seg_length, MM_PER_ARC_SEGMENT, ARC_SEGMENTS_PER_R);
#elif ARC_SEGMENTS_PER_SEC
float seg_length = scaled_fr_mm_s * RECIPROCAL(ARC_SEGMENTS_PER_SEC);
NOLESS(seg_length, MM_PER_ARC_SEGMENT);
#else