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d467e97679
Also... The memory corruption issue may be fixed. The GCC compiler was inlining static functions and this caused the G29() stack frame to become much larger than the AVR could handle.
229 lines
7.2 KiB
C++
Executable File
229 lines
7.2 KiB
C++
Executable File
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "Marlin.h"
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#include "math.h"
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#if ENABLED(AUTO_BED_LEVELING_UBL)
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#include "ubl.h"
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#include "hex_print_routines.h"
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#include "temperature.h"
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/**
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* These support functions allow the use of large bit arrays of flags that take very
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* little RAM. Currently they are limited to being 16x16 in size. Changing the declaration
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* to unsigned long will allow us to go to 32x32 if higher resolution Mesh's are needed
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* in the future.
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*/
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void bit_clear(uint16_t bits[16], uint8_t x, uint8_t y) { CBI(bits[y], x); }
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void bit_set(uint16_t bits[16], uint8_t x, uint8_t y) { SBI(bits[y], x); }
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bool is_bit_set(uint16_t bits[16], uint8_t x, uint8_t y) { return TEST(bits[y], x); }
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int ubl_cnt=0;
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static void serial_echo_xy(const uint16_t x, const uint16_t y) {
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SERIAL_CHAR('(');
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SERIAL_ECHO(x);
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SERIAL_CHAR(',');
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SERIAL_ECHO(y);
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SERIAL_CHAR(')');
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safe_delay(10);
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}
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static void serial_echo_12x_spaces() {
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for (uint8_t i = GRID_MAX_POINTS_X - 1; --i;) {
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SERIAL_ECHOPGM(" ");
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safe_delay(10);
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}
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}
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ubl_state unified_bed_leveling::state;
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float unified_bed_leveling::z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y],
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unified_bed_leveling::last_specified_z;
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// 15 is the maximum nubmer of grid points supported + 1 safety margin for now,
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// until determinism prevails
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constexpr float unified_bed_leveling::mesh_index_to_xpos[16],
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unified_bed_leveling::mesh_index_to_ypos[16];
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bool unified_bed_leveling::g26_debug_flag = false,
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unified_bed_leveling::has_control_of_lcd_panel = false;
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int16_t unified_bed_leveling::eeprom_start = -1; // Please stop changing this to 8 bits in size
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// It needs to hold values bigger than this.
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volatile int unified_bed_leveling::encoder_diff;
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unified_bed_leveling::unified_bed_leveling() {
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ubl_cnt++; // Debug counter to insure we only have one UBL object present in memory.
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reset();
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}
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void unified_bed_leveling::load_mesh(const int16_t slot) {
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int16_t j = (UBL_LAST_EEPROM_INDEX - eeprom_start) / sizeof(z_values);
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if (slot == -1) {
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SERIAL_PROTOCOLLNPGM("?No mesh saved in EEPROM. Zeroing mesh in memory.\n");
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reset();
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return;
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}
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if (!WITHIN(slot, 0, j - 1) || eeprom_start <= 0) {
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SERIAL_PROTOCOLLNPGM("?EEPROM storage not available to load mesh.\n");
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return;
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}
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j = UBL_LAST_EEPROM_INDEX - (slot + 1) * sizeof(z_values);
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eeprom_read_block((void *)&z_values, (void *)j, sizeof(z_values));
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SERIAL_PROTOCOLPAIR("Mesh loaded from slot ", slot);
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SERIAL_PROTOCOLLNPAIR(" at offset ", hex_address((void*)j));
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}
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void unified_bed_leveling::store_mesh(const int16_t slot) {
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int16_t j = (UBL_LAST_EEPROM_INDEX - eeprom_start) / sizeof(z_values);
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if (!WITHIN(slot, 0, j - 1) || eeprom_start <= 0) {
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SERIAL_PROTOCOLLNPGM("?EEPROM storage not available to load mesh.\n");
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SERIAL_PROTOCOL(slot);
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SERIAL_PROTOCOLLNPGM(" mesh slots available.\n");
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SERIAL_PROTOCOLLNPAIR("E2END : ", E2END);
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SERIAL_PROTOCOLLNPAIR("k : ", (int)UBL_LAST_EEPROM_INDEX);
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SERIAL_PROTOCOLLNPAIR("j : ", j);
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SERIAL_PROTOCOLLNPAIR("m : ", slot);
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SERIAL_EOL;
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return;
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}
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j = UBL_LAST_EEPROM_INDEX - (slot + 1) * sizeof(z_values);
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eeprom_write_block((const void *)&z_values, (void *)j, sizeof(z_values));
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SERIAL_PROTOCOLPAIR("Mesh saved in slot ", slot);
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SERIAL_PROTOCOLLNPAIR(" at offset ", hex_address((void*)j));
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}
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void unified_bed_leveling::reset() {
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state.active = false;
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state.z_offset = 0;
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state.eeprom_storage_slot = -1;
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ZERO(z_values);
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last_specified_z = -999.9;
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}
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void unified_bed_leveling::invalidate() {
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state.active = false;
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state.z_offset = 0;
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for (int x = 0; x < GRID_MAX_POINTS_X; x++)
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for (int y = 0; y < GRID_MAX_POINTS_Y; y++)
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z_values[x][y] = NAN;
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}
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void unified_bed_leveling::display_map(const int map_type) {
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const bool map0 = map_type == 0;
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if (map0) {
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SERIAL_PROTOCOLLNPGM("\nBed Topography Report:\n");
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serial_echo_xy(0, GRID_MAX_POINTS_Y - 1);
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SERIAL_ECHOPGM(" ");
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}
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if (map0) {
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serial_echo_12x_spaces();
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serial_echo_xy(GRID_MAX_POINTS_X - 1, GRID_MAX_POINTS_Y - 1);
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SERIAL_EOL;
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serial_echo_xy(UBL_MESH_MIN_X, UBL_MESH_MIN_Y);
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serial_echo_12x_spaces();
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serial_echo_xy(UBL_MESH_MAX_X, UBL_MESH_MAX_Y);
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SERIAL_EOL;
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}
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const float current_xi = ubl.get_cell_index_x(current_position[X_AXIS] + (MESH_X_DIST) / 2.0),
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current_yi = ubl.get_cell_index_y(current_position[Y_AXIS] + (MESH_Y_DIST) / 2.0);
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for (int8_t j = GRID_MAX_POINTS_Y - 1; j >= 0; j--) {
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for (uint8_t i = 0; i < GRID_MAX_POINTS_X; i++) {
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const bool is_current = i == current_xi && j == current_yi;
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// is the nozzle here? then mark the number
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if (map0) SERIAL_CHAR(is_current ? '[' : ' ');
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const float f = z_values[i][j];
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if (isnan(f)) {
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serialprintPGM(map0 ? PSTR(" . ") : PSTR("NAN"));
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}
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else {
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// if we don't do this, the columns won't line up nicely
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if (map0 && f >= 0.0) SERIAL_CHAR(' ');
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SERIAL_PROTOCOL_F(f, 3);
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idle();
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}
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if (!map0 && i < GRID_MAX_POINTS_X - 1) SERIAL_CHAR(',');
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#if TX_BUFFER_SIZE > 0
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MYSERIAL.flushTX();
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#endif
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safe_delay(15);
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if (map0) {
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SERIAL_CHAR(is_current ? ']' : ' ');
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SERIAL_CHAR(' ');
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}
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}
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SERIAL_EOL;
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if (j && map0) { // we want the (0,0) up tight against the block of numbers
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SERIAL_CHAR(' ');
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SERIAL_EOL;
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}
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}
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if (map0) {
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serial_echo_xy(UBL_MESH_MIN_X, UBL_MESH_MIN_Y);
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SERIAL_ECHOPGM(" ");
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serial_echo_12x_spaces();
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serial_echo_xy(UBL_MESH_MAX_X, UBL_MESH_MIN_Y);
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SERIAL_EOL;
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serial_echo_xy(0, 0);
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SERIAL_ECHOPGM(" ");
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serial_echo_12x_spaces();
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serial_echo_xy(GRID_MAX_POINTS_X - 1, 0);
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SERIAL_EOL;
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}
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}
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bool unified_bed_leveling::sanity_check() {
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uint8_t error_flag = 0;
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const int j = (UBL_LAST_EEPROM_INDEX - eeprom_start) / sizeof(z_values);
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if (j < 1) {
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SERIAL_PROTOCOLLNPGM("?No EEPROM storage available for a mesh of this size.\n");
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error_flag++;
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}
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return !!error_flag;
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}
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#endif // AUTO_BED_LEVELING_UBL
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