From 6bb05c45433876f9be80fe23886c1282752f9311 Mon Sep 17 00:00:00 2001 From: Scott Lahteine Date: Tue, 6 Jun 2017 07:18:46 -0500 Subject: [PATCH] Save 20b in smart_fill_mesh with PROGMEM --- Marlin/ubl_G29.cpp | 37 +++++++++++++++++++++++-------------- 1 file changed, 23 insertions(+), 14 deletions(-) diff --git a/Marlin/ubl_G29.cpp b/Marlin/ubl_G29.cpp index 28a1cb3bd1..ab0ac32cb3 100644 --- a/Marlin/ubl_G29.cpp +++ b/Marlin/ubl_G29.cpp @@ -1593,24 +1593,33 @@ typedef struct { uint8_t sx, ex, sy, ey; bool yfirst; } smart_fill_info; void unified_bed_leveling::smart_fill_mesh() { - const smart_fill_info info[] = { - { 0, GRID_MAX_POINTS_X, 0, GRID_MAX_POINTS_Y - 2, false }, // Bottom of the mesh looking up - { 0, GRID_MAX_POINTS_X, GRID_MAX_POINTS_Y - 1, 0, false }, // Top of the mesh looking down - { 0, GRID_MAX_POINTS_X - 2, 0, GRID_MAX_POINTS_Y, true }, // Left side of the mesh looking right - { GRID_MAX_POINTS_X - 1, 0, 0, GRID_MAX_POINTS_Y, true } // Right side of the mesh looking left - }; + static const smart_fill_info + info0 PROGMEM = { 0, GRID_MAX_POINTS_X, 0, GRID_MAX_POINTS_Y - 2, false }, // Bottom of the mesh looking up + info1 PROGMEM = { 0, GRID_MAX_POINTS_X, GRID_MAX_POINTS_Y - 1, 0, false }, // Top of the mesh looking down + info2 PROGMEM = { 0, GRID_MAX_POINTS_X - 2, 0, GRID_MAX_POINTS_Y, true }, // Left side of the mesh looking right + info3 PROGMEM = { GRID_MAX_POINTS_X - 1, 0, 0, GRID_MAX_POINTS_Y, true }; // Right side of the mesh looking left + static const smart_fill_info * const info[] PROGMEM = { &info0, &info1, &info2, &info3 }; + + // static const smart_fill_info info[] PROGMEM = { + // { 0, GRID_MAX_POINTS_X, 0, GRID_MAX_POINTS_Y - 2, false } PROGMEM, // Bottom of the mesh looking up + // { 0, GRID_MAX_POINTS_X, GRID_MAX_POINTS_Y - 1, 0, false } PROGMEM, // Top of the mesh looking down + // { 0, GRID_MAX_POINTS_X - 2, 0, GRID_MAX_POINTS_Y, true } PROGMEM, // Left side of the mesh looking right + // { GRID_MAX_POINTS_X - 1, 0, 0, GRID_MAX_POINTS_Y, true } PROGMEM // Right side of the mesh looking left + // }; for (uint8_t i = 0; i < COUNT(info); ++i) { - const smart_fill_info &f = info[i]; - if (f.yfirst) { - const int8_t dir = f.ex > f.sx ? 1 : -1; - for (uint8_t y = f.sy; y != f.ey; ++y) - for (uint8_t x = f.sx; x != f.ex; x += dir) + const smart_fill_info *f = (smart_fill_info*)pgm_read_word(&info[i]); + const int8_t sx = pgm_read_word(&f->sx), sy = pgm_read_word(&f->sy), + ex = pgm_read_word(&f->ex), ey = pgm_read_word(&f->ey); + if (pgm_read_byte(&f->yfirst)) { + const int8_t dir = ex > sx ? 1 : -1; + for (uint8_t y = sy; y != ey; ++y) + for (uint8_t x = sx; x != ex; x += dir) if (smart_fill_one(x, y, dir, 0)) break; } else { - const int8_t dir = f.ey > f.sy ? 1 : -1; - for (uint8_t x = f.sx; x != f.ex; ++x) - for (uint8_t y = f.sy; y != f.ey; y += dir) + const int8_t dir = ey > sy ? 1 : -1; + for (uint8_t x = sx; x != ex; ++x) + for (uint8_t y = sy; y != ey; y += dir) if (smart_fill_one(x, y, 0, dir)) break; } }