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MicroDexed/LiquidCrystalPlus_I2C.h

88 lines
2.3 KiB

/*
MicroDexed
MicroDexed is a port of the Dexed sound engine
(https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6 with audio shield.
Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
(c)2018 H. Wirtz <wirtz@parasitstudio.de>
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, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <LiquidCrystal_I2C.h>
#ifndef LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
#define LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
#define STRING_BUF_SIZE 21
class LiquidCrystalPlus_I2C : public LiquidCrystal_I2C
{
public:
using LiquidCrystal_I2C::LiquidCrystal_I2C;
void show(uint8_t y, uint8_t x, uint8_t fs, char *str)
{
_show(y, x, fs, str, false, false);
}
void show(uint8_t y, uint8_t x, uint8_t fs, long num)
{
char _buf10[STRING_BUF_SIZE];
_show(y, x, fs, itoa(num, _buf10, 10), true, true);
}
private:
void _show(uint8_t pos_y, uint8_t pos_x, uint8_t field_size, char *str, bool justify_right, bool fill_zero)
{
{
char tmp[STRING_BUF_SIZE];
char *s = tmp;
uint8_t l = strlen(str);
memset(tmp, 0, sizeof(tmp));
if (fill_zero == true)
memset(tmp, '0', field_size);
else
memset(tmp, 0x20, field_size - 1); // blank
if (l > field_size)
l = field_size;
if (justify_right == true)
s += field_size - l;
strncpy(s, str, l);
setCursor(pos_x, pos_y);
print(tmp);
#ifdef DEBUG
Serial.print(pos_y, DEC);
Serial.print(F("/"));
Serial.print(pos_x, DEC);
Serial.print(F(": ["));
Serial.print(tmp);
Serial.println(F("]"));
#endif
}
}
};
#endif