private void scanBusAddresses()
{
Debug.Print(MethodNames.SCAN_BUS_ADDRESSES);
if (loadAddressWhitelist())
{
Debug.Print(LogMessages.LOADED_WHITELIST);
return;
}
ushort speed = 100;
ushort timeout = 200;
for (byte i = SLAVE_SCAN_LOW; i < SLAVE_SCAN_HIGH; i++)
{
I2CBus i2C = new I2CBus(i, speed, timeout);
try
{
i2C.WriteByte(0);
var slaveAddressOnly = new Slave {
address = i, clock_stretch = 40000, name = "not_assigned", role = Role.UNDEFINED
};
_assimSlaves.Add(slaveAddressOnly);
}
catch { }
}
if (_assimSlaves.Count == 0)
{
//Debug.Print("No I2C devices found.");
}
else
{
//Debug.Print(_numberOfDevices.ToString() + " I2C devices found.");
}
}
private void setMetaOfInterest(Slave slave, Hashtable rootPairs, String i2cName, String value)
{
switch (i2cName)
{
case I2cMessages.ASSIM_NAME:
slave.name = value;
return;
case I2cMessages.ASSIM_VERSION:
return;
case I2cMessages.POWER_DOWN:
return;
case I2cMessages.PREPARE_MS:
return;
case I2cMessages.RESPONSE_MS:
return;
case I2cMessages.VCC_MV:
return;
case I2cMessages.ASSIM_ROLE:
slave.role = value == I2cMessages.SENSOR ? Role.SENSOR : Role.ACTOR;
return;
case I2cMessages.CLOCK_STRETCH:
slave.clock_stretch = Convert.ToInt32(value);
return;
default:
break; // end of base properties
}
var valueParts = value.Split(':');
var subValueParts = valueParts[1].Split('|');
var idxStr = valueParts[0];
var idx = Convert.ToInt32(idxStr);
var propKey = "";
if (!rootPairs.Contains(idxStr))
{
rootPairs.Add(idxStr, new Hashtable());
}
Hashtable propertyIdxHashtable = ((Hashtable)rootPairs[idxStr]);
// property based metadata
switch (i2cName)
{
case I2cMessages.VIZ_CARD_TYPE:
value = valueParts[1];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.CARD_TYPE, value);
setDefaultsForCardTtype(value, propertyIdxHashtable);
return;
case I2cMessages.VIZ_ICONS:
propKey = subValueParts[0];
value = subValueParts[1];
if (!propertyIdxHashtable.Contains(VizJsonKeys.ICONS))
{
propertyIdxHashtable.Add(VizJsonKeys.ICONS, new ArrayList());
}
var leafHashtable = new Hashtable();
leafHashtable.Add(HashtableKeys.NAME, propKey);
leafHashtable.Add(HashtableKeys.VALUE, value);
((ArrayList)propertyIdxHashtable[VizJsonKeys.ICONS]).Add(leafHashtable);
return;
case I2cMessages.VIZ_LABELS:
propKey = subValueParts[0];
value = subValueParts[1];
if (!propertyIdxHashtable.Contains(VizJsonKeys.LABELS))
{
propertyIdxHashtable.Add(VizJsonKeys.LABELS, new ArrayList());
}
var leafHashtable2 = new Hashtable();
leafHashtable2.Add(HashtableKeys.NAME, propKey);
leafHashtable2.Add(HashtableKeys.VALUE, value);
((ArrayList)propertyIdxHashtable[VizJsonKeys.LABELS]).Add(leafHashtable2);
return;
case I2cMessages.VIZ_MIN:
value = valueParts[1];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.MIN, Convert.ToInt32(value));
return;
case I2cMessages.VIZ_MAX:
value = valueParts[1];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.MAX, Convert.ToInt32(value));
return;
case I2cMessages.VIZ_UNITS:
value = valueParts[1];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.UNITS, value);
return;
case I2cMessages.VIZ_TOTAL:
value = valueParts[1];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.TOTAL, Convert.ToInt32(value));
return;
case I2cMessages.VIZ_VALUES:
propKey = subValueParts[0];
value = subValueParts[1];
if (!propertyIdxHashtable.Contains(VizJsonKeys.VALUES))
{
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.VALUES, new ArrayList());
}
if (((ArrayList)propertyIdxHashtable[VizJsonKeys.VALUES]).Count == 2)
{ // remove the defaults - ToDo: more robust strategy
((ArrayList)propertyIdxHashtable[VizJsonKeys.VALUES]).RemoveAt(0);
((ArrayList)propertyIdxHashtable[VizJsonKeys.VALUES]).RemoveAt(0);
}
var leafHashtable3 = new Hashtable();
leafHashtable3.Add(HashtableKeys.NAME, propKey);
leafHashtable3.Add(HashtableKeys.VALUE, value);
((ArrayList)propertyIdxHashtable[VizJsonKeys.VALUES]).Add(leafHashtable3);
return;
case I2cMessages.VIZ_IS_SERIES:
value = valueParts[1];
bool valueBool = value == JsonValues.IS_SEREIES_VALUE;
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.IS_SERIES, valueBool);
if (valueBool)
{
setDefaultsForCardTtype(I2cMessages.CARDTYPE_CHART_LINE, propertyIdxHashtable);
}
return;
case I2cMessages.VIZ_M_SERIES:
return;
case I2cMessages.VIZ_HIGH:
value = valueParts[1];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.HIGH, Convert.ToInt32(value));
return;
case I2cMessages.VIZ_LOW:
value = valueParts[1];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.LOW, Convert.ToInt32(value));
return;
case I2cMessages.VIZ_TOTL_UNIT:
value = subValueParts[0];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.TOTAL, Convert.ToInt32(value));
value = subValueParts[1];
propertyIdxHashtable.AddOrUpdate(VizJsonKeys.UNITS, value);
return;
}
}