// AppleLM87::getReading
IOReturn AppleLM8x::getReading(UInt32 subAddress, SInt32 *value)
{
IOReturn status;
UInt8 data;
if (systemIsRestarting == TRUE)
return kIOReturnOffline;
status = openI2C(kLM8xBus);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::getReading(0x%x) failed to open I2C bus.\n", kLM8xAddr<<1);
return status;
}
status = readI2C((UInt8)subAddress, (UInt8 *) &data, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::getReading(0x%x) readI2C failed.\n", kLM8xAddr<<1);
closeI2C();
return status;
}
closeI2C();
*value = (SInt32)data;
return kIOReturnSuccess;
}
/* switchesOFF() - switches off the MakeSuremote switches specified
*
* It switches off all MakeSuremote switches
*/
void MakeSurePWR::switchesOFF(uint8_t option)
{
cbi(ADCSRA,ADEN); // switch Analog to Digital Converter OFF
//pinMode(SERID_PW,OUTPUT);
//digitalWrite(SERID_PW,LOW);
// Disable MEM_PW and SS_PIN not to consume
// battery from SD when MakeSuremote is asleep
//Rupam
//pinMode(SS_PIN, OUTPUT);
//digitalWrite(SS_PIN, LOW);
pinMode(MEM_PW,OUTPUT);
digitalWrite(MEM_PW,LOW);
if( option & SENS_OFF )
{
pinMode(SENS_PW_3V3,OUTPUT);
digitalWrite(SENS_PW_3V3,LOW);
pinMode(SENS_PW_5V,OUTPUT);
digitalWrite(SENS_PW_5V,LOW);
}
if( option & UART0_OFF )
{
// close UART0
//Rupam
// closeSerial(SOCKET0);
// set XBee module off
pinMode(XBEE_PW,OUTPUT);
digitalWrite(XBEE_PW,LOW);
}
if( option & UART1_OFF )
{
// close UART1
//Rupam
// closeSerial(SOCKET1);
pinMode(MUX_PW, OUTPUT);
digitalWrite(MUX_PW, LOW);
pinMode(GPS_PW, OUTPUT);
digitalWrite(GPS_PW, LOW);
}
if( option & RTC_OFF )
{
RTC.close();
pinMode(RTC_PW,OUTPUT);
digitalWrite(RTC_PW,LOW);
closeI2C();
}
if( option & BAT_OFF )
{
pinMode(BAT_MONITOR_PW,OUTPUT);
digitalWrite(BAT_MONITOR_PW,LOW);
}
}
IOReturn AppleLM8x::restoreRegisters()
{
IOReturn status;
DLOG("AppleLM8x::restoreRegisters(0x%x) entered.\n", kLM8xAddr<<1);
status = openI2C(kLM8xBus);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::restoreRegisters(0x%x) failed to open I2C bus.\n", kLM8xAddr<<1);
return status;
}
status = writeI2C((UInt8)kChannelModeRegister, (UInt8 *)&savedRegisters.ChannelMode, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::restoreRegisters(0x%x) writeI2C failed.\n", kLM8xAddr<<1);
closeI2C();
return status;
}
status = writeI2C((UInt8)kConfReg2, (UInt8 *)&savedRegisters.Configuration2, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::restoreRegisters(0x%x) writeI2C failed.\n", kLM8xAddr<<1);
closeI2C();
return status;
}
// restore Configuration Register 1 last, since it starts polling
status = writeI2C((UInt8)kConfReg1, (UInt8 *)&savedRegisters.Configuration1, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::restoreRegisters(0x%x) writeI2C failed.\n", kLM8xAddr<<1);
closeI2C();
return status;
}
closeI2C();
return status;
}
IOReturn AppleLM8x::saveRegisters()
{
IOReturn status;
DLOG("AppleLM8x::saveRegisters(0x%x) entered.\n", kLM8xAddr<<1);
status = openI2C(kLM8xBus);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::saveRegisters(0x%x) failed to open I2C bus.\n", kLM8xAddr<<1);
return status;
}
status = readI2C((UInt8)kChannelModeRegister, (UInt8 *)&savedRegisters.ChannelMode, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::saveRegisters(0x%x) readI2C failed.\n", kLM8xAddr<<1);
closeI2C();
return status;
}
status = readI2C((UInt8)kConfReg1, (UInt8 *)&savedRegisters.Configuration1, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::saveRegisters(0x%x) readI2C failed.\n", kLM8xAddr<<1);
closeI2C();
return status;
}
status = readI2C((UInt8)kConfReg2, (UInt8 *)&savedRegisters.Configuration2, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::saveRegisters(0x%x) readI2C failed.\n", kLM8xAddr<<1);
closeI2C();
return status;
}
closeI2C();
return status;
}
// inits the value of the digipot used in the battery detector
void WaspPWR::setLowBatteryThreshold(float threshold)
{
uint8_t dig=0;
uint8_t rpot=200;
dig = uint8_t (rpot-(((threshold-1.15)*470/1.15)-806))*255/rpot;
if( !Wire.I2C_ON ) Wire.begin();
delay(200);
Wire.beginTransmission(0x2d); // Address
Wire.send(0x11); // Write command
Wire.send(dig); // Data
Wire.endTransmission();
if( Wire.I2C_ON ) closeI2C();
}
// inits the value of the digipot used in the battery detector
void MakeSurePWR::setLowBatteryThreshold(float threshold)
{
if ( threshold > 3.4 )
{
threshold = 3.4;
}
if ( threshold < 3.1 )
{
threshold = 3.1;
}
uint8_t dig=0;
uint8_t rpot=200;
dig = uint8_t (rpot-(((threshold-1.15)*470/1.15)-806))*255/rpot;
if( !Wire.I2C_ON ) Wire.begin();
delay(200);
Wire.beginTransmission(0x56); // Address
Wire.write(0x11); // Write command
Wire.write(dig); // Data
Wire.endTransmission();
if( Wire.I2C_ON ) closeI2C();
}
IOReturn AppleLM8x::initHW(IOService *provider)
{
IOReturn status;
UInt8 cfgReg = 0;
UInt8 attempts = 0;
DLOG("AppleLM8x::initHW(0x%x) entered.\n", kLM8xAddr<<1);
status = openI2C(kLM8xBus);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::initHW(0x%x) failed to open I2C bus.\n", kLM8xAddr<<1);
return status;
}
// Attempt to start LM87 by setting bit 0 in Configuration Register 1. If we detect the RESET
// bit, then make a second attempt.
for ( ; attempts < 2; attempts++ )
{
// Read Configuration Register 1
status = readI2C((UInt8)kConfReg1, (UInt8 *) &cfgReg, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::initHW(0x%x) readI2C failed.\n", kLM8xAddr<<1);
break;
}
DLOG("AppleLM8x::readI2C(0x%x) retrieved data = 0x%x\n", kLM8xAddr<<1, cfgReg);
// If we detect RESET, wait at least 45ms for it to clear.
if ( cfgReg & kConfRegRESET )
{
IOSleep(50);
status = kIOReturnError;
}
if(status != kIOReturnSuccess)
{
IOLog("AppleLM8x::initHW(0x%x) readI2C detected RESET bit.\n", kLM8xAddr<<1);
}
// Start monitoring operations
cfgReg = 0x1;
// Failure of this write operation is fatal
status = writeI2C((UInt8)kConfReg1, (UInt8 *)&cfgReg, 1);
// Read Configuration Register 1
status = readI2C((UInt8)kConfReg1, (UInt8 *) &cfgReg, 1);
if(status != kIOReturnSuccess)
{
DLOG("AppleLM8x::initHW(0x%x) readI2C failed.\n", kLM8xAddr<<1);
break;
}
if ( cfgReg == kConfRegStart )
{
break;
}
else
{
IOLog("AppleLM8x::readI2C(0x%x) retrieved configuration register 1 = 0x%x\n", kLM8xAddr<<1, cfgReg);
}
}
closeI2C();
return status;
}
/* switchesOFF() - switches off the Waspmote switches specified
*
* It switches off all Waspmote switches
*/
void WaspPWR::switchesOFF(uint8_t option)
{
// set this pin LOW to decrease consumption
// if hibernate is not used
pinMode(RTC_SLEEP, OUTPUT);
digitalWrite(RTC_SLEEP, LOW);
// unset I2C bus
pinMode(I2C_SDA,OUTPUT);
digitalWrite(I2C_SDA,LOW);
pinMode(I2C_SCL,OUTPUT);
digitalWrite(I2C_SCL,LOW);
// switch Analog to Digital Converter OFF
cbi(ADCSRA,ADEN);
//pinMode(SERID_PW,OUTPUT);
//digitalWrite(SERID_PW,LOW);
// Disable MEM_PW and SS_PIN not to waste
// battery from SD when Waspmote is asleep
pinMode(SD_SS, OUTPUT);
digitalWrite(SD_SS, LOW);
pinMode(MEM_PW,OUTPUT);
digitalWrite(MEM_PW,LOW);
// Set down SOCKET0 SPI SS pin
pinMode(SOCKET0_SS,OUTPUT);
digitalWrite(SOCKET0_SS,LOW);
if( option & SENS_OFF )
{
// switch OFF sensor boards
PWR.setSensorPower(SENS_3V3, SENS_OFF);
PWR.setSensorPower(SENS_5V, SENS_OFF);
Wire.isBoard = false;
}
// close UART0
closeSerial(SOCKET0);
if( option & SOCKET0_OFF )
{
// set SOCKET0 power supply off
pinMode(XBEE_PW,OUTPUT);
digitalWrite(XBEE_PW,LOW);
// update Waspmote Register
WaspRegister &= ~(REG_SOCKET0);
}
// close UART1
closeSerial(SOCKET1);
// set Expansion board power supply off unless a
// Smart Cities board remains powered on
if( ( option & SENS_OFF )
&& !(WaspRegister & REG_CITIES_V14)
&& !(WaspRegister & REG_CITIES_V15) )
{
pinMode(DIGITAL6, OUTPUT);
digitalWrite(DIGITAL6, LOW);
}
// switch off the RTC power supply
RTC.close();
pinMode(RTC_PW,OUTPUT);
digitalWrite(RTC_PW,LOW);
closeI2C();
// switch off the battery monitor power supply
pinMode(BAT_MONITOR_PW,OUTPUT);
digitalWrite(BAT_MONITOR_PW,LOW);
// check if a Smart Metering board has been switched and proceed to disable
// the digital pins so as not to waste energy
if( WaspRegister & REG_METERING )
{
setSensorPower(SENS_3V3,SENS_ON);
pinMode(DIGITAL3, OUTPUT);
pinMode(DIGITAL4, OUTPUT);
digitalWrite(DIGITAL3, HIGH);
digitalWrite(DIGITAL4, HIGH);
}
// check if a Gases Sensor Board is used. In this case, switch off the
// digital pins so as not to waste energy
if( WaspRegister & REG_GASES )
{
digitalWrite(DIGITAL4,LOW);
}
// check if an Agriculture Sensor Board is used. In this case,
// switch off the digital pins so as not to waste energy
if( WaspRegister & REG_AGRICULTURE )
{
// switch off sensors power supply
digitalWrite(DIGITAL7, LOW);
digitalWrite(DIGITAL1, LOW);
digitalWrite(DIGITAL5, LOW);
digitalWrite(DIGITAL3, LOW);
digitalWrite(DIGITAL6, LOW);
digitalWrite(ANA0, LOW);
}
// set the interruption line down
pinMode(MUX_RX, INPUT);
digitalWrite(MUX_RX, LOW);
}
void SmartMote::work(){
while(1){
/* se l'ora corrente è di scansione */
if(!(RTCC.hours() % 6) && (RTCC.minutes() >= 0x00 && RTCC.minutes() <= 0x05)){
AString data;
AString message;
AString answer;
/* abilito il core timer (la prima volta è già abilitato) */
System::wakeCoreTimer();
/* accendo il led verde */
turnOnGreen();
/* accendo la seriale */
openUART();
/* accendo l'i2c */
openI2C();
/* prendo le misure */
data += mac();
data += luminosity();
data += ambientTempAndHum();
data += groundTemp();
data += groundHum();
data += battey();
/* compongo la stringa */
message += _PHP_CHUNK1;
/* inserisco l'hostname */
message += getHost();
/* inserisco la seconda parte di richiesta http */
message += _PHP_CHUNK2;
/* inserisco la lunghezza dei dati */
message += AString(static_cast<sint32>(data.size()));
/* inserisco la terza parte di richiesta http */
message += _PHP_CHUNK3;
/* inserisco i dati */
message += data;
/* se fallisce l'inizializzazione dell'esp */
if(!m_net.initialize()){
/* notifico l'errore */
error();
}
/* se fallisce l'avvio del dhcp */
if(!m_net.setDhcp(true)){
/* notifico l'errore */
error();
}
/* se fallisce la connessione alla rete */
if(!m_net.joinAP(getSSID(), getKey())){
/* notifico l'errore */
error();
}
/* se fallisce la connessione al server */
if(!m_net.connectToHost(getHost(), 80)){
/* notifico l'errore */
error();
}
/* invio i dati */
m_net.send(message);
/* aspetto l'ok */
m_net.waitForData(answer);
/* notifico l'ok o lerrore dell'invio */
wasSuccess(answer);
/* lascio l'ap */
m_net.leaveAP();
/* libero la memoria occupata dalle stringhe */
message.clear();
data.clear();
answer.clear();
}
/* calcolo del tempo di sleep per il wifi */
m_net.sleep(getSleepTime());
/* punto la prossima sveglia */
setNextAlarm();
/* spengo il led verde */
turnOffGreen();
/* spengo l'uart */
closeUART();
/* chiudo l'i2c */
closeI2C();
/* spengo il core timer */
System::stopCoreTimer();
/* vado a dormire */
System::sleep();
}
}
