Smart Watch Fan
This is my project for smart watch+ fan. And code in description.
void setup() {
}
#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 10
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
int tempPin = ONE_WIRE_BUS; // выход LM35
int fan = 11; // вывод на вентилятор
int temp;
int tempMin = 28; // температура начала вращения вентилятора
int tempMax = 35; // максимальная температура, когда вентилятор вращается на 100%
int fanSpeed;
void setup() {
pinMode(fan, OUTPUT);
Serial.begin(9600);
sensors.begin();
pinMode(tempPin, INPUT);
}
void loop() {
temp = readTemp(); // получаем температуру
if(temp < tempMin) { // если temp меньше минимума
fanSpeed = 0; // кулер не вращается
digitalWrite(fan, LOW);
}
if((temp >= tempMin) && (temp <= tempMax)) { // если temp больше минимума
fanSpeed = map(temp, tempMin, tempMax, 0, 255); // текущая скорость вентилятора
analogWrite(fan, fanSpeed); // вращаем кулер со скоростью fanSpeed
}
Serial.print("TEMP: ");
Serial.print(temp); // отображение температуры
lcd.print("C ");
delay(1000);
}
int readTemp() { // получить температуру и переконвертировать ее в цельсии
sensors.requestTemperatures();
temp = sensors.getTempCByIndex(0);
return temp * 0.48828125;
}void loop() {
}
/].
*/
/*
Retro Watch Arduino v1.0 - u8g (supports u8glib)
Get the latest version, android host app at
------> https://github.com/godstale/retrowatch
------> or http://www.hardcopyworld.com
Written by Suh Young Bae (godstale@hotmail.com)
All text above must be included in any redistribution
*/
#include <avr/pgmspace.h>
#include <SoftwareSerial.h>
#include <math.h>
#include "bitmap.h"
#include "U8glib.h"
///////////////////////////////////////////////////////////////////
//----- OLED instance
// IMPORTANT NOTE: The complete list of supported devices
// with all constructor calls is here: http://code.google.com/p/u8glib/wiki/device
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE|U8G_I2C_OPT_DEV_0); // I2C / TWI
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
//----- BT instance
SoftwareSerial BTSerial(2, 3); //Connect HC-06, RX, TX
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
//----- Protocol
//----- Bluetooth transaction parsing
#define TR_MODE_IDLE 1
#define TR_MODE_WAIT_CMD 11
#define TR_MODE_WAIT_MESSAGE 101
#define TR_MODE_WAIT_TIME 111
#define TR_MODE_WAIT_ID 121
#define TR_MODE_WAIT_COMPLETE 201
#define TRANSACTION_START_BYTE 0xfc
#define TRANSACTION_END_BYTE 0xfd
#define CMD_TYPE_NONE 0x00
#define CMD_TYPE_RESET_EMERGENCY_OBJ 0x05
#define CMD_TYPE_RESET_NORMAL_OBJ 0x02
#define CMD_TYPE_RESET_USER_MESSAGE 0x03
#define CMD_TYPE_ADD_EMERGENCY_OBJ 0x11
#define CMD_TYPE_ADD_NORMAL_OBJ 0x12
#define CMD_TYPE_ADD_USER_MESSAGE 0x13
#define CMD_TYPE_DELETE_EMERGENCY_OBJ 0x21
#define CMD_TYPE_DELETE_NORMAL_OBJ 0x22
#define CMD_TYPE_DELETE_USER_MESSAGE 0x23
#define CMD_TYPE_SET_TIME 0x31
#define CMD_TYPE_REQUEST_MOVEMENT_HISTORY 0x32
#define CMD_TYPE_SET_CLOCK_STYLE 0x33
#define CMD_TYPE_SET_INDICATOR 0x34
#define CMD_TYPE_PING 0x51
#define CMD_TYPE_AWAKE 0x52
#define CMD_TYPE_SLEEP 0x53
#define CMD_TYPE_REBOOT 0x54
byte TRANSACTION_POINTER = TR_MODE_IDLE;
byte TR_COMMAND = CMD_TYPE_NONE;
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
//----- Buffer, Parameters
//----- Message item buffer
#define MSG_COUNT_MAX 7
#define MSG_BUFFER_MAX 19
unsigned char msgBuffer[MSG_COUNT_MAX][MSG_BUFFER_MAX];
char msgParsingLine = 0;
char msgParsingChar = 0;
char msgCurDisp = 0;
//----- Emergency item buffer
#define EMG_COUNT_MAX 3
#define EMG_BUFFER_MAX 19
char emgBuffer[EMG_COUNT_MAX][EMG_BUFFER_MAX];
char emgParsingLine = 0;
char emgParsingChar = 0;
char emgCurDisp = 0;
//----- Time
#define UPDATE_TIME_INTERVAL 60000
byte iMonth = 1;
byte iDay = 1;
byte iWeek = 1; // 1: SUN, MON, TUE, WED, THU, FRI,SAT
byte iAmPm = 0; // 0:AM, 1:PM
byte iHour = 0;
byte iMinutes = 0;
byte iSecond = 0;
#define TIME_BUFFER_MAX 6
char timeParsingIndex = 0;
char timeBuffer[6] = {-1, -1, -1, -1, -1, -1};
PROGMEM const char* const weekString[] = {"", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
PROGMEM const char* const ampmString[] = {"AM", "PM"};
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
//----- Display features
#define DISPLAY_MODE_START_UP 0
#define DISPLAY_MODE_CLOCK 1
#define DISPLAY_MODE_EMERGENCY_MSG 2
#define DISPLAY_MODE_NORMAL_MSG 3
#define DISPLAY_MODE_IDLE 11
byte displayMode = DISPLAY_MODE_START_UP;
#define CLOCK_STYLE_SIMPLE_ANALOG 0x01
#define CLOCK_STYLE_SIMPLE_DIGIT 0x02
#define CLOCK_STYLE_SIMPLE_MIX 0x03
byte clockStyle = CLOCK_STYLE_SIMPLE_MIX;
#define INDICATOR_ENABLE 0x01
boolean updateIndicator = true;
byte centerX = 64;
byte centerY = 32;
byte iRadius = 28;
#define IDLE_DISP_INTERVAL 60000
#define CLOCK_DISP_INTERVAL 60000
#define EMERGENCY_DISP_INTERVAL 5000
#define MESSAGE_DISP_INTERVAL 3000
unsigned long prevClockTime = 0;
unsigned long prevDisplayTime = 0;
unsigned long next_display_interval = 0;
unsigned long mode_change_timer = 0;
#define CLOCK_DISPLAY_TIME 300000
#define EMER_DISPLAY_TIME 10000
#define MSG_DISPLAY_TIME 5000
PROGMEM const char* const strIntro[] = {"Retro", "Watch", "Arduino v1.0"};
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
//----- Button control
int buttonPin = 5;
boolean isClicked = HIGH;
///////////////////////////////////////////////////////////////////
void setup() {
//Serial.begin(9600); // WARNING: Do not enable this if there is not enough memory
//Serial.println(F("RetroWatch v1.0 u8g"));
//----- Set button
pinMode(buttonPin, INPUT); // Defines button pin
//----- Initialize message buffer
init_emg_array();
init_msg_array();
//----- Set display features
centerX = u8g.getWidth() / 2;
centerY = u8g.getHeight() / 2;
iRadius = centerY - 2;
//----- Setup serial connection with BT
BTSerial.begin(9600); // set the data rate for the BT port
//----- Show logo
drawStartUp(); // Show RetroWatch Logo
delay(3000);
}
void loop() {
boolean isReceived = false;
unsigned long current_time = 0;
// Get button input
if(digitalRead(buttonPin) == LOW) isClicked = LOW;
// Receive data from remote and parse
isReceived = receiveBluetoothData();
// Update clock time
current_time = millis();
updateTime(current_time);
// Display routine
onDraw(current_time);
// If data doesn't arrive, wait for a while to save battery
if(!isReceived)
delay(300);
}
///////////////////////////////////
//----- Utils
///////////////////////////////////
void init_msg_array() {
for(int i=0; i<MSG_COUNT_MAX; i++) {
for(int j=0; j<MSG_BUFFER_MAX; j++) {
msgBuffer[i][j] = 0x00;
}
}
msgParsingLine = 0;
msgParsingChar = 0; // First 2 byte is management byte
msgCurDisp = 0;
}
void init_emg_array() {
for(int i=0; i<EMG_COUNT_MAX; i++) {
for(int j=0; j<EMG_BUFFER_MAX; j++) {
emgBuffer[i][j] = 0x00;
}
}
emgParsingLine = 0;
emgParsingChar = 0; // First 2 byte is management byte
emgCurDisp = 0;
}
///////////////////////////////////
//----- Time functions
///////////////////////////////////
void setTimeValue() {
iMonth = timeBuffer[0];
iDay = timeBuffer[1];
iWeek = timeBuffer[2]; // 1: SUN, MON, TUE, WED, THU, FRI,SAT
iAmPm = timeBuffer[3]; // 0:AM, 1:PM
iHour = timeBuffer[4];
iMinutes = timeBuffer[5];
}
void updateTime(unsigned long current_time) {
if(iMinutes >= 0) {
if(current_time - prevClockTime > UPDATE_TIME_INTERVAL) {
// Increase time
iMinutes++;
if(iMinutes >= 60) {
iMinutes = 0;
iHour++;
if(iHour > 12) {
iHour = 1;
(iAmPm == 0) ? iAmPm=1 : iAmPm=0;
if(iAmPm == 0) {
iWeek++;
if(iWeek > 7)
iWeek = 1;
iDay++;
if(iDay > 30) // Yes. day is not exact.
iDay = 1;
}
}
}
prevClockTime = current_time;
}
}
else {
displayMode = DISPLAY_MODE_START_UP;
}
}
///////////////////////////////////
//----- BT, Data parsing functions
///////////////////////////////////
// Parsing packet according to current mode
boolean receiveBluetoothData() {
int isTransactionEnded = false;
while(!isTransactionEnded) {
if(BTSerial.available()) {
byte c = BTSerial.read();
//if(c == 0xFE && TRANSACTION_POINTER != TR_MODE_WAIT_MESSAGE) return false;
if(TRANSACTION_POINTER == TR_MODE_IDLE) {
parseStartSignal(c);
}
else if(TRANSACTION_POINTER == TR_MODE_WAIT_CMD) {
parseCommand(c);
}
else if(TRANSACTION_POINTER == TR_MODE_WAIT_MESSAGE) {
parseMessage(c);
}
else if(TRANSACTION_POINTER == TR_MODE_WAIT_TIME) {
parseTime(c);
}
else if(TRANSACTION_POINTER == TR_MODE_WAIT_ID) {
parseId(c);
}
else if(TRANSACTION_POINTER == TR_MODE_WAIT_COMPLETE) {
isTransactionEnded = parseEndSignal(c);
}
} // End of if(BTSerial.available())
else {
isTransactionEnded = true;
}
} // End of while()
return true;
} // End of receiveBluetoothData()
void parseStartSignal(byte c) {
//drawLogChar(c);
if(c == TRANSACTION_START_BYTE) {
TRANSACTION_POINTER = TR_MODE_WAIT_CMD;
TR_COMMAND = CMD_TYPE_NONE;
}
}
void parseCommand(byte c) {
if(c == CMD_TYPE_RESET_EMERGENCY_OBJ || c == CMD_TYPE_RESET_NORMAL_OBJ || c == CMD_TYPE_RESET_USER_MESSAGE) {
TRANSACTION_POINTER = TR_MODE_WAIT_COMPLETE;
TR_COMMAND = c;
processTransaction();
}
else if(c == CMD_TYPE_ADD_EMERGENCY_OBJ || c == CMD_TYPE_ADD_NORMAL_OBJ || c == CMD_TYPE_ADD_USER_MESSAGE) {
TRANSACTION_POINTER = TR_MODE_WAIT_MESSAGE;
TR_COMMAND = c;
if(c == CMD_TYPE_ADD_EMERGENCY_OBJ) {
//Serial.println("# start - ADD_EMERGENCY_OBJ");
emgParsingChar = 0;
if(emgParsingLine >= MSG_COUNT_MAX || emgParsingLine < 0)
emgParsingLine = 0;
for(int i=3; i<EMG_BUFFER_MAX; i++)
emgBuffer[emgParsingLine][i] = 0x00;
}
else if(c == CMD_TYPE_ADD_NORMAL_OBJ) {
//Serial.println("# start - ADD_NORMAL_OBJ");
msgParsingChar = 0;
if(msgParsingLine >= MSG_COUNT_MAX || msgParsingLine < 0)
msgParsingLine = 0;
for(int i=3; i<MSG_BUFFER_MAX; i++)
msgBuffer[msgParsingLine][i] = 0x00;
}
}
else if(c == CMD_TYPE_DELETE_EMERGENCY_OBJ || c == CMD_TYPE_DELETE_NORMAL_OBJ || c == CMD_TYPE_DELETE_USER_MESSAGE) {
TRANSACTION_POINTER = TR_MODE_WAIT_COMPLETE;
TR_COMMAND = c;
}
else if(c == CMD_TYPE_SET_TIME) {
TRANSACTION_POINTER = TR_MODE_WAIT_TIME;
TR_COMMAND = c;
}
else if(c == CMD_TYPE_SET_CLOCK_STYLE || c == CMD_TYPE_SET_INDICATOR) {
TRANSACTION_POINTER = TR_MODE_WAIT_ID;
TR_COMMAND = c;
}
else {
TRANSACTION_POINTER = TR_MODE_IDLE;
TR_COMMAND = CMD_TYPE_NONE;
}
}
void parseMessage(byte c) {
if(c == TRANSACTION_END_BYTE) {
processTransaction();
TRANSACTION_POINTER = TR_MODE_IDLE;
}
if(TR_COMMAND == CMD_TYPE_ADD_EMERGENCY_OBJ) {
if(emgParsingChar < EMG_BUFFER_MAX - 1) {
if(emgParsingChar > 1) {
emgBuffer[emgParsingLine][emgParsingChar] = c;
}
emgParsingChar++;
}
else {
TRANSACTION_POINTER = TR_MODE_IDLE;
processTransaction();
}
}
else if(TR_COMMAND == CMD_TYPE_ADD_NORMAL_OBJ) {
if(msgParsingChar < MSG_BUFFER_MAX - 1) {
if(msgParsingChar > 1) {
msgBuffer[msgParsingLine][msgParsingChar] = c;
}
msgParsingChar++;
}
else {
TRANSACTION_POINTER = TR_MODE_IDLE;
processTransaction();
}
}
else if(TR_COMMAND == CMD_TYPE_ADD_USER_MESSAGE) {
// Not available yet.
TRANSACTION_POINTER = TR_MODE_WAIT_COMPLETE;
}
}
void parseTime(byte c) {
if(TR_COMMAND == CMD_TYPE_SET_TIME) {
if(timeParsingIndex >= 0 && timeParsingIndex < TIME_BUFFER_MAX) {
timeBuffer[timeParsingIndex] = (int)c;
timeParsingIndex++;
}
else {
processTransaction();
TRANSACTION_POINTER = TR_MODE_WAIT_COMPLETE;
}
}
}
void parseId(byte c) {
if(TR_COMMAND == CMD_TYPE_SET_CLOCK_STYLE) {
clockStyle = c;
processTransaction();
}
else if(TR_COMMAND == CMD_TYPE_SET_INDICATOR) {
if(c == INDICATOR_ENABLE)
updateIndicator = true;
else
updateIndicator = false;
processTransaction();
}
TRANSACTION_POINTER = TR_MODE_WAIT_COMPLETE;
}
boolean parseEndSignal(byte c) {
if(c == TRANSACTION_END_BYTE) {
TRANSACTION_POINTER = TR_MODE_IDLE;
return true;
}
return false;
}
void processTransaction() {
if(TR_COMMAND == CMD_TYPE_RESET_EMERGENCY_OBJ) {
init_emg_array();//init_msg_array();
}
else if(TR_COMMAND == CMD_TYPE_RESET_NORMAL_OBJ) {
init_msg_array();//init_emg_array();
}
else if(TR_COMMAND == CMD_TYPE_RESET_USER_MESSAGE) {
// Not available yet.
}
else if(TR_COMMAND == CMD_TYPE_ADD_NORMAL_OBJ) {
//Serial.println("# processTransaction() - ADD_NORMAL_OBJ");
msgBuffer[msgParsingLine][0] = 0x01;
msgBuffer[msgParsingLine][MSG_BUFFER_MAX-1] = 0x00;
msgParsingChar = 0;
msgParsingLine++;
if(msgParsingLine >= MSG_COUNT_MAX)
msgParsingLine = 0;
setNextDisplayTime(millis(), 0); // update screen immediately
}
else if(TR_COMMAND == CMD_TYPE_ADD_EMERGENCY_OBJ) {
//Serial.println("# processTransaction() - ADD_EMERGENCY_OBJ");
emgBuffer[emgParsingLine][0] = 0x01;
emgBuffer[emgParsingLine][EMG_BUFFER_MAX - 1] = 0x00;
emgParsingChar = 0;
emgParsingLine++;
if(emgParsingLine >= EMG_COUNT_MAX)
emgParsingLine = 0;
startEmergencyMode();
setNextDisplayTime(millis(), 2000);
}
else if(TR_COMMAND == CMD_TYPE_ADD_USER_MESSAGE) {
}
else if(TR_COMMAND == CMD_TYPE_DELETE_EMERGENCY_OBJ || TR_COMMAND == CMD_TYPE_DELETE_NORMAL_OBJ || TR_COMMAND == CMD_TYPE_DELETE_USER_MESSAGE) {
// Not available yet.
}
else if(TR_COMMAND == CMD_TYPE_SET_TIME) {
setTimeValue();
timeParsingIndex = 0;
setNextDisplayTime(millis(), 0); // update screen immediately
}
if(TR_COMMAND == CMD_TYPE_SET_CLOCK_STYLE || CMD_TYPE_SET_INDICATOR) {
setNextDisplayTime(millis(), 0); // update screen immediately
}
}
///////////////////////////////////
//----- Drawing methods
///////////////////////////////////
// Main drawing routine