88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/*
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* This file is part of Photoduino.
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*
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* Photoduino 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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* Photoduino 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 Photoduino. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Write a unsigned int (two bytes) value to eeprom
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void eeprom_writeInt(int address, unsigned int value){
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EEPROM.write(address, value/256);
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EEPROM.write(address+1, value % 256);
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}
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// read a unsigned int (two bytes) value from eeprom
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unsigned int eeprom_readInt(int address){
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return EEPROM.read(address)*256+EEPROM.read(address+1);
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}
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// increment the value of a variable using minimun and maximun limits (byte version)
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void circularList_incrementBy(byte *value, byte minimun, byte maximun, int incrementBy) {
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if (incrementBy>0) {
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if (*value+incrementBy > maximun) *value = minimun;
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else *value = *value+incrementBy;
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} else {
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if ( (*value < minimun) || (*value < (incrementBy*(-1)) )) *value = maximun;
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else *value = *value+incrementBy;
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}
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}
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// increment the value of a variable using minimun and maximun limits (unsigned int version)
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void circularList_incrementBy(unsigned int *value, unsigned int minimun, unsigned int maximun, int incrementBy) {
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if (incrementBy>0) {
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if (*value+incrementBy > maximun) *value = minimun;
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else *value = *value+incrementBy;
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} else {
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if ( (*value < minimun) || (*value < (incrementBy*(-1)) )) *value = maximun;
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else *value = *value+incrementBy;
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}
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}
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// increment the value of a variable using minimun and maximun limits (unsigned int version)
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void circularList_matchBy(unsigned int *value, unsigned int targetValue, unsigned int minimun, unsigned int maximun, int offset) {
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if (offset>0) {
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if (targetValue+offset > maximun) *value = maximun;
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else *value = targetValue+offset;
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} else {
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if ( targetValue < (offset*(-1)) ) *value = minimun;
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else *value = targetValue+offset;
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}
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}
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