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86 lines
2.3 KiB
86 lines
2.3 KiB
/*
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MicroMDAEPiano
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MicroMDAEPiano is a port of the MDA-EPiano sound engine
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(https://sourceforge.net/projects/mda-vst/) for the Teensy-3.5/3.6 with audio shield.
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(c)2019 H. Wirtz <wirtz@parasitstudio.de>
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
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#define LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
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#include <LiquidCrystal_I2C.h> // https://www.arduinolibraries.info/libraries/liquid-crystal-i2-c
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#define STRING_BUF_SIZE 21
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class LiquidCrystalPlus_I2C : public LiquidCrystal_I2C
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{
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public:
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using LiquidCrystal_I2C::LiquidCrystal_I2C;
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void show(uint8_t y, uint8_t x, uint8_t fs, char *str)
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{
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_show(y, x, fs, str, false, false);
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}
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void show(uint8_t y, uint8_t x, uint8_t fs, long num)
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{
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char _buf10[STRING_BUF_SIZE];
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_show(y, x, fs, itoa(num, _buf10, 10), true, true);
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}
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private:
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void _show(uint8_t pos_y, uint8_t pos_x, uint8_t field_size, char *str, bool justify_right, bool fill_zero)
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{
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{
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char tmp[STRING_BUF_SIZE];
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char *s = tmp;
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uint8_t l = strlen(str);
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memset(tmp, 0, sizeof(tmp));
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if (fill_zero == true)
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memset(tmp, '0', field_size);
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else
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memset(tmp, 0x20, field_size - 1); // blank
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if (l > field_size)
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l = field_size;
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if (justify_right == true)
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s += field_size - l;
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strncpy(s, str, l);
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setCursor(pos_x, pos_y);
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print(tmp);
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#ifdef DEBUG
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Serial.print(pos_y, DEC);
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Serial.print(F("/"));
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Serial.print(pos_x, DEC);
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Serial.print(F(": ["));
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Serial.print(tmp);
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Serial.println(F("]"));
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#endif
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}
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}
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};
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#endif
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