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- /**
- * Marlin 3D Printer Firmware
- * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
- #include "numtostr.h"
- #include "../core/utility.h"
-
- char conv[8] = { 0 };
-
- #define DIGIT(n) ('0' + (n))
- #define DIGIMOD(n, f) DIGIT((n)/(f) % 10)
- #define RJDIGIT(n, f) ((n) >= (f) ? DIGIMOD(n, f) : ' ')
- #define MINUSOR(n, alt) (n >= 0 ? (alt) : (n = -n, '-'))
-
- // Convert a full-range unsigned 8bit int to a percentage
- char* ui8tostr4pct(const uint8_t i) {
- const uint8_t n = ui8_to_percent(i);
- conv[3] = RJDIGIT(n, 100);
- conv[4] = RJDIGIT(n, 10);
- conv[5] = DIGIMOD(n, 1);
- conv[6] = '%';
- return &conv[3];
- }
-
- // Convert unsigned 8bit int to string 123 format
- char* ui8tostr3(const uint8_t i) {
- conv[4] = RJDIGIT(i, 100);
- conv[5] = RJDIGIT(i, 10);
- conv[6] = DIGIMOD(i, 1);
- return &conv[4];
- }
-
- // Convert signed 8bit int to rj string with 123 or -12 format
- char* i8tostr3(const int8_t x) {
- int xx = x;
- conv[4] = MINUSOR(xx, RJDIGIT(xx, 100));
- conv[5] = RJDIGIT(xx, 10);
- conv[6] = DIGIMOD(xx, 1);
- return &conv[4];
- }
-
- // Convert unsigned 16bit int to string 12345 format
- char* ui16tostr5(const uint16_t xx) {
- conv[2] = RJDIGIT(xx, 10000);
- conv[3] = RJDIGIT(xx, 1000);
- conv[4] = RJDIGIT(xx, 100);
- conv[5] = RJDIGIT(xx, 10);
- conv[6] = DIGIMOD(xx, 1);
- return &conv[2];
- }
-
- // Convert unsigned 16bit int to string 1234 format
- char* ui16tostr4(const uint16_t xx) {
- conv[3] = RJDIGIT(xx, 1000);
- conv[4] = RJDIGIT(xx, 100);
- conv[5] = RJDIGIT(xx, 10);
- conv[6] = DIGIMOD(xx, 1);
- return &conv[3];
- }
-
- // Convert unsigned 16bit int to string 123 format
- char* ui16tostr3(const uint16_t xx) {
- conv[4] = RJDIGIT(xx, 100);
- conv[5] = RJDIGIT(xx, 10);
- conv[6] = DIGIMOD(xx, 1);
- return &conv[4];
- }
-
- // Convert signed 16bit int to rj string with 123 or -12 format
- char* i16tostr3(const int16_t x) {
- int xx = x;
- conv[4] = MINUSOR(xx, RJDIGIT(xx, 100));
- conv[5] = RJDIGIT(xx, 10);
- conv[6] = DIGIMOD(xx, 1);
- return &conv[4];
- }
-
- // Convert unsigned 16bit int to lj string with 123 format
- char* i16tostr3left(const int16_t i) {
- char *str = &conv[6];
- *str = DIGIMOD(i, 1);
- if (i >= 10) {
- *(--str) = DIGIMOD(i, 10);
- if (i >= 100)
- *(--str) = DIGIMOD(i, 100);
- }
- return str;
- }
-
- // Convert signed 16bit int to rj string with 1234, _123, -123, _-12, or __-1 format
- char* i16tostr4sign(const int16_t i) {
- const bool neg = i < 0;
- const int ii = neg ? -i : i;
- if (i >= 1000) {
- conv[3] = DIGIMOD(ii, 1000);
- conv[4] = DIGIMOD(ii, 100);
- conv[5] = DIGIMOD(ii, 10);
- }
- else if (ii >= 100) {
- conv[3] = neg ? '-' : ' ';
- conv[4] = DIGIMOD(ii, 100);
- conv[5] = DIGIMOD(ii, 10);
- }
- else {
- conv[3] = ' ';
- conv[4] = ' ';
- if (ii >= 10) {
- conv[4] = neg ? '-' : ' ';
- conv[5] = DIGIMOD(ii, 10);
- }
- else {
- conv[5] = neg ? '-' : ' ';
- }
- }
- conv[6] = DIGIMOD(ii, 1);
- return &conv[3];
- }
-
- // Convert unsigned float to string with 1.23 format
- char* ftostr12ns(const float &f) {
- const long i = ((f < 0 ? -f : f) * 1000 + 5) / 10;
- conv[3] = DIGIMOD(i, 100);
- conv[4] = '.';
- conv[5] = DIGIMOD(i, 10);
- conv[6] = DIGIMOD(i, 1);
- return &conv[3];
- }
-
- // Convert signed float to fixed-length string with 12.34 / -2.34 format or 123.45 / -23.45 format
- char* ftostr42_52(const float &f) {
- if (f <= -10 || f >= 100) return ftostr52(f); // need more digits
- long i = (f * 1000 + (f < 0 ? -5: 5)) / 10;
- conv[2] = (f >= 0 && f < 10) ? ' ' : MINUSOR(i, DIGIMOD(i, 1000));
- conv[3] = DIGIMOD(i, 100);
- conv[4] = '.';
- conv[5] = DIGIMOD(i, 10);
- conv[6] = DIGIMOD(i, 1);
- return &conv[2];
- }
-
- // Convert signed float to fixed-length string with 023.45 / -23.45 format
- char* ftostr52(const float &f) {
- long i = (f * 1000 + (f < 0 ? -5: 5)) / 10;
- conv[1] = MINUSOR(i, DIGIMOD(i, 10000));
- conv[2] = DIGIMOD(i, 1000);
- conv[3] = DIGIMOD(i, 100);
- conv[4] = '.';
- conv[5] = DIGIMOD(i, 10);
- conv[6] = DIGIMOD(i, 1);
- return &conv[1];
- }
-
- #if ENABLED(LCD_DECIMAL_SMALL_XY)
-
- // Convert float to rj string with 1234, _123, -123, _-12, 12.3, _1.2, or -1.2 format
- char* ftostr4sign(const float &f) {
- const int i = (f * 100 + (f < 0 ? -5: 5)) / 10;
- if (!WITHIN(i, -99, 999)) return i16tostr4sign((int)f);
- const bool neg = i < 0;
- const int ii = neg ? -i : i;
- conv[3] = neg ? '-' : (ii >= 100 ? DIGIMOD(ii, 100) : ' ');
- conv[4] = DIGIMOD(ii, 10);
- conv[5] = '.';
- conv[6] = DIGIMOD(ii, 1);
- return &conv[3];
- }
-
- #endif // LCD_DECIMAL_SMALL_XY
-
- // Convert float to fixed-length string with +123.4 / -123.4 format
- char* ftostr41sign(const float &f) {
- int i = (f * 100 + (f < 0 ? -5: 5)) / 10;
- conv[1] = MINUSOR(i, '+');
- conv[2] = DIGIMOD(i, 1000);
- conv[3] = DIGIMOD(i, 100);
- conv[4] = DIGIMOD(i, 10);
- conv[5] = '.';
- conv[6] = DIGIMOD(i, 1);
- return &conv[1];
- }
-
- // Convert signed float to string (6 digit) with -1.234 / _0.000 / +1.234 format
- char* ftostr43sign(const float &f, char plus/*=' '*/) {
- long i = (f * 10000 + (f < 0 ? -5: 5)) / 10;
- conv[1] = i ? MINUSOR(i, plus) : ' ';
- conv[2] = DIGIMOD(i, 1000);
- conv[3] = '.';
- conv[4] = DIGIMOD(i, 100);
- conv[5] = DIGIMOD(i, 10);
- conv[6] = DIGIMOD(i, 1);
- return &conv[1];
- }
-
- // Convert signed float to string (5 digit) with -1.2345 / _0.0000 / +1.2345 format
- char* ftostr54sign(const float &f, char plus/*=' '*/) {
- long i = (f * 100000 + (f < 0 ? -5: 5)) / 10;
- conv[0] = i ? MINUSOR(i, plus) : ' ';
- conv[1] = DIGIMOD(i, 10000);
- conv[2] = '.';
- conv[3] = DIGIMOD(i, 1000);
- conv[4] = DIGIMOD(i, 100);
- conv[5] = DIGIMOD(i, 10);
- conv[6] = DIGIMOD(i, 1);
- return &conv[0];
- }
-
- // Convert unsigned float to rj string with 12345 format
- char* ftostr5rj(const float &f) {
- const long i = ((f < 0 ? -f : f) * 10 + 5) / 10;
- return ui16tostr5(i);
- }
-
- // Convert signed float to string with +1234.5 format
- char* ftostr51sign(const float &f) {
- long i = (f * 100 + (f < 0 ? -5: 5)) / 10;
- conv[0] = MINUSOR(i, '+');
- conv[1] = DIGIMOD(i, 10000);
- conv[2] = DIGIMOD(i, 1000);
- conv[3] = DIGIMOD(i, 100);
- conv[4] = DIGIMOD(i, 10);
- conv[5] = '.';
- conv[6] = DIGIMOD(i, 1);
- return conv;
- }
-
- // Convert signed float to string with +123.45 format
- char* ftostr52sign(const float &f) {
- long i = (f * 1000 + (f < 0 ? -5: 5)) / 10;
- conv[0] = MINUSOR(i, '+');
- conv[1] = DIGIMOD(i, 10000);
- conv[2] = DIGIMOD(i, 1000);
- conv[3] = DIGIMOD(i, 100);
- conv[4] = '.';
- conv[5] = DIGIMOD(i, 10);
- conv[6] = DIGIMOD(i, 1);
- return conv;
- }
-
- // Convert unsigned float to string with 1234.5 format omitting trailing zeros
- char* ftostr51rj(const float &f) {
- const long i = ((f < 0 ? -f : f) * 100 + 5) / 10;
- conv[0] = ' ';
- conv[1] = RJDIGIT(i, 10000);
- conv[2] = RJDIGIT(i, 1000);
- conv[3] = RJDIGIT(i, 100);
- conv[4] = DIGIMOD(i, 10);
- conv[5] = '.';
- conv[6] = DIGIMOD(i, 1);
- return conv;
- }
-
- // Convert signed float to space-padded string with -_23.4_ format
- char* ftostr52sp(const float &f) {
- long i = (f * 1000 + (f < 0 ? -5: 5)) / 10;
- uint8_t dig;
- conv[0] = MINUSOR(i, ' ');
- conv[1] = RJDIGIT(i, 10000);
- conv[2] = RJDIGIT(i, 1000);
- conv[3] = DIGIMOD(i, 100);
-
- if ((dig = i % 10)) { // second digit after decimal point?
- conv[4] = '.';
- conv[5] = DIGIMOD(i, 10);
- conv[6] = DIGIT(dig);
- }
- else {
- if ((dig = (i / 10) % 10)) { // first digit after decimal point?
- conv[4] = '.';
- conv[5] = DIGIT(dig);
- }
- else // nothing after decimal point
- conv[4] = conv[5] = ' ';
- conv[6] = ' ';
- }
- return conv;
- }
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