119 lines
No EOL
2.1 KiB
C++
119 lines
No EOL
2.1 KiB
C++
#include <Arduino.h>
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#include <EEPROM.h>
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#include <Wire.h>
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#define SLAVE_ADDR 9
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const int bjtCount = 4;
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const int bjtPin[bjtCount] = {6, 5, 3, 10};
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int bjtState[bjtCount] = {255, 255, 255, 255}; //255 -> bjt max "open"
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char receivedSerialData[4];
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char receivedI2cData[4];
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String pendingSerialData;
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void changeLights(char data[])
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{
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for (int i = 0; i < bjtCount; i++)
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{
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char numChar[2];
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itoa(i, numChar, 10);
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if (data[0] == numChar[0])
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{
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if (data[1] == 't')
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{
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if (bjtState[i] != 0)
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{
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bjtState[i] = 0;
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}
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else
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{
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bjtState[i] = 255;
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}
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}
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else if (data[1] == 'i')
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{
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bjtState[i] += 5;
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}
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else if (data[1] == 'd')
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{
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bjtState[i] -= 5;
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}
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}
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//clamp state between 0 and 255
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if (bjtState[i] > 255)
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{
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bjtState[i] = 255;
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}
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if (bjtState[i] < 0)
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{
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bjtState[i] = 0;
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}
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//set absolute state for all
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if (!strcmp(data, "off"))
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{
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bjtState[i] = 0;
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}
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if (!strcmp(data, "on"))
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{
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bjtState[i] = 255;
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}
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analogWrite(bjtPin[i], bjtState[i]);
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EEPROM.update(i, bjtState[i]);
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}
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memset(data, ' ', 3);
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}
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void receiveEvent(int byteCount)
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{
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char buffer[byteCount];
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for (int i = 0; i < byteCount; i++)
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{
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buffer[i] = Wire.read();
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}
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memset(receivedI2cData, ' ', 3);
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strcpy(receivedI2cData, buffer);
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}
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void setup()
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{
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Serial.begin(9600);
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Serial.setTimeout(5);
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Wire.begin(SLAVE_ADDR);
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Wire.onReceive(receiveEvent);
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for (int i = 0; i < bjtCount; i++)
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{
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pinMode(bjtPin[i], OUTPUT);
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bjtState[i] = EEPROM.read(i);
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analogWrite(bjtPin[i], bjtState[i]);
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}
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}
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void loop()
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{
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while (Serial.available())
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{
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strcpy(receivedSerialData, Serial.readString().c_str());
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}
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changeLights(receivedSerialData);
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changeLights(receivedI2cData);
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pendingSerialData = "";
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for (int i = 0; i < bjtCount; i++)
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{
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noInterrupts();
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pendingSerialData += String(bjtState[i]) + ",";
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interrupts();
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}
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pendingSerialData.remove(pendingSerialData.length() - 1);
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Serial.println(pendingSerialData);
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} |