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_P130_VEML6075.ino
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_P130_VEML6075.ino
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#ifdef USES_P130
//#######################################################################################################
//########################### Plugin 130 VEML6075 I2C UVA/UVB Sensor ###############################
//#######################################################################################################
//###################################### stefan@clumsy.ch ##########################################
//#######################################################################################################
#define PLUGIN_130
#define PLUGIN_ID_130 130
#define PLUGIN_NAME_130 "Environment - VEML6075 [TESTING]"
#define PLUGIN_VALUENAME1_130 "UVA"
#define PLUGIN_VALUENAME2_130 "UVB"
#define PLUGIN_VALUENAME3_130 "UVIndex"
////////////////////////////
// VEML6075 Command Codes //
////////////////////////////
#define VEML6075_UV_CONF 0x00 // command codes
#define VEML6075_UVA_DATA 0x07 // 2 bytes
#define VEML6075_UVDUMMY_DATA 0x08
#define VEML6075_UVB_DATA 0x09
#define VEML6075_UVCOMP1_DATA 0x0A
#define VEML6075_UVCOMP2_DATA 0x0B
#define VEML6075_UV_ID 0x0C // should retrn 0x26
#define ACoef 3.33
#define BCoef 2.5
#define CCoef 3.66
#define DCoef 2.75
#define UVAresponsivity 0.0011
#define UVBresponsivity 0.00125
enum IT {
IT_50 = 0, // 50 ms
IT_100 = 1, // 100 ms
IT_200 = 2, // 200 ms
IT_400 = 3, // 400 ms
IT_800 = 4 // 800 ms
};
// Specify VEML6075 Integration time
uint8_t IT = IT_100;
uint16_t UVData[5] = {0, 0, 0, 0, 0}; // UVA, Dummy, UVB, UVComp1, UVComp2
float UVAComp, UVBComp, UVIndex;
bool HD = 0;
uint8_t veml6075_i2caddr;
uint8_t Plugin_130_read8(byte reg, bool * is_ok = NULL); // Declaration
boolean Plugin_130_init[2] = {false, false};
boolean Plugin_130(byte function, struct EventStruct *event, String& string)
{
boolean success = false;
switch (function)
{
case PLUGIN_DEVICE_ADD:
{
Device[++deviceCount].Number = PLUGIN_ID_130;
Device[deviceCount].Type = DEVICE_TYPE_I2C;
Device[deviceCount].VType = Sensor_VType::SENSOR_TYPE_TRIPLE;
Device[deviceCount].Ports = 0;
Device[deviceCount].PullUpOption = false;
Device[deviceCount].InverseLogicOption = false;
Device[deviceCount].FormulaOption = true;
Device[deviceCount].ValueCount = 3;
Device[deviceCount].SendDataOption = true;
Device[deviceCount].TimerOption = true;
Device[deviceCount].GlobalSyncOption = true;
break;
}
case PLUGIN_GET_DEVICENAME:
{
string = F(PLUGIN_NAME_130);
break;
}
case PLUGIN_GET_DEVICEVALUENAMES:
{
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[0], PSTR(PLUGIN_VALUENAME1_130));
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[1], PSTR(PLUGIN_VALUENAME2_130));
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[2], PSTR(PLUGIN_VALUENAME3_130));
break;
}
case PLUGIN_WEBFORM_LOAD:
{
byte choice = Settings.TaskDevicePluginConfig[event->TaskIndex][0];
int optionValues[2] = { 0x10, 0x11 };
addFormSelectorI2C(F("plugin_130_veml6075_i2c"), 2, optionValues, choice);
addFormNote(F("SDO Low=0x10, High=0x11"));
byte choiceMode2 = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
String optionsMode2[5];
optionsMode2[0] = F("VEML6075_IT_50MS");
optionsMode2[1] = F("VEML6075_IT_100MS");
optionsMode2[2] = F("VEML6075_IT_200MS");
optionsMode2[3] = F("VEML6075_IT_400MS");
optionsMode2[4] = F("VEML6075_IT_800MS");
int optionValuesMode2[5];
optionValuesMode2[0] = IT_50;
optionValuesMode2[1] = IT_100;
optionValuesMode2[2] = IT_200;
optionValuesMode2[3] = IT_400;
optionValuesMode2[4] = IT_800;
addFormSelector(F("Integration Time"), F("plugin_130_veml6075_it"), 5, optionsMode2, optionValuesMode2, choiceMode2);
byte choiceMode3 = Settings.TaskDevicePluginConfig[event->TaskIndex][2];
String optionsMode3[2];
optionsMode3[0] = F("VEML6075_NORMAL_DYNAMIC");
optionsMode3[1] = F("VEML6075_HIGH_DYNAMIC");
int optionValuesMode3[2];
optionValuesMode3[0] = 0;
optionValuesMode3[1] = 1;
addFormSelector(F("Dynamic Setting"), F("plugin_130_veml6075_hd"), 2, optionsMode3, optionValuesMode3, choiceMode3);
success = true;
break;
}
case PLUGIN_WEBFORM_SAVE:
{
Settings.TaskDevicePluginConfig[event->TaskIndex][0] = getFormItemInt(F("plugin_130_veml6075_i2c"));
Settings.TaskDevicePluginConfig[event->TaskIndex][1] = getFormItemInt(F("plugin_130_veml6075_it"));
Settings.TaskDevicePluginConfig[event->TaskIndex][2] = getFormItemInt(F("plugin_130_veml6075_hd"));
Plugin_130_init[Settings.TaskDevicePluginConfig[event->TaskIndex][0]] = false;
success = true;
break;
}
case PLUGIN_READ:
{
//int idx = Settings.TaskDevicePluginConfig[event->TaskIndex][0] ;
veml6075_i2caddr = Settings.TaskDevicePluginConfig[event->TaskIndex][0];
IT = Settings.TaskDevicePluginConfig[event->TaskIndex][1]; // set Integration Time
if (!Plugin_130_init[veml6075_i2caddr])
{
Plugin_130_init[veml6075_i2caddr] = Plugin_130_init_sensor(); // Check id device is present
}
String log = F("VEML6075: veml6075_i2caddr: 0x");
log += String(veml6075_i2caddr,HEX);
addLog(LOG_LEVEL_DEBUG, log);
log = F("VEML6075: plugin(veml6075_i2caddr): ");
log += String(Plugin_130_init[veml6075_i2caddr]?"true":"false");
addLog(LOG_LEVEL_DEBUG, log);
if (Plugin_130_init[veml6075_i2caddr])
{
for (int j = 0; j < 5; j++)
{
UVData[j] = I2C_read16_LE_reg(Settings.TaskDevicePluginConfig[event->TaskIndex][0], VEML6075_UVA_DATA + j);
}
// Calculate the UV Index, valid in open air not behind glass!
UVAComp = (UVData[0] - UVData[1]) - ACoef*(UVData[3] - UVData[1]) - BCoef*(UVData[4] - UVData[1]);
UVBComp = (UVData[2] - UVData[1]) - CCoef*(UVData[3] - UVData[1]) - DCoef*(UVData[4] - UVData[1]);
UVIndex = ( (UVBComp*UVBresponsivity) + (UVAComp*UVAresponsivity) )/2.;
//float UVASensitivity = 0.93/((float) (IT + 1)); // UVA light sensitivity increases with integration time
//float UVBSensitivity = 2.10/((float) (IT + 1)); // UVB light sensitivity increases with integration time
log = F("VEML6075: IT raw: 0x");
log += String((IT + 1),HEX);
addLog(LOG_LEVEL_DEBUG, log);
UserVar[event->BaseVarIndex] = UVData[0]/pow(2,IT-1); // UVA light sensitivity increases linear with integration time
UserVar[event->BaseVarIndex + 1] = UVData[2]/pow(2,IT-1); // UVB light sensitivity increases linear with integration time
UserVar[event->BaseVarIndex + 2] = UVIndex;
log = F("VEML6075: Address: 0x");
log += String(veml6075_i2caddr,HEX);
log += F(" / Integration Time: ");
log += Settings.TaskDevicePluginConfig[event->TaskIndex][1];
log += F(" / Dynamic Mode: ");
log += Settings.TaskDevicePluginConfig[event->TaskIndex][2];
log += F(" / divisor: ");
log += String(pow(2,IT-1));
log += F(" / UVA: ");
log += UserVar[event->BaseVarIndex];
log += F(" / UVB: ");
log += UserVar[event->BaseVarIndex + 1];
log += F(" / UVIndex: ");
log += UserVar[event->BaseVarIndex + 2];
addLog(LOG_LEVEL_INFO, log);
success = true;
}
break;
}
}
return success;
}
//**************************************************************************/
// Check VEML6075 presence and initialize
//**************************************************************************/
bool Plugin_130_init_sensor() {
uint16_t deviceID = I2C_readS16_LE_reg(veml6075_i2caddr, VEML6075_UV_ID);
String log = F("VEML6075: ID: 0x");
log += String(deviceID, HEX);
log += F(" / checked Address: 0x");
log += String(veml6075_i2caddr, HEX);
log += F(" / 0x");
log += String(VEML6075_UV_ID, HEX);
addLog(LOG_LEVEL_DEBUG, log);
if (deviceID != 0x26) {
log = F("VEML6075: wrong deviceID: ");
log += String(deviceID, HEX);
addLog(LOG_LEVEL_ERROR, log);
return false;
} else {
log = F("VEML6075: found deviceID: 0x");
log += String(deviceID, HEX);
if (!I2C_write16_LE_reg(veml6075_i2caddr, VEML6075_UV_CONF, (IT << 4)|(HD << 3))) { // Bit 3 must be 0, bit 0 is 0 for run and 1 for shutdown, LS Byte
log = F("VEML6075: setup failed!!");
log += F(" / CONF: ");
log += String((uint16_t)(IT << 4)|(HD << 3), BIN);
addLog(LOG_LEVEL_ERROR, log);
return false;
} else {
log = F("VEML6075: sensor initialised");
log += F(" / CONF: ");
log += String((uint16_t)(IT << 4)|(HD << 3), BIN);
addLog(LOG_LEVEL_INFO, log);
delay(150);
return true;
}
}
}
#endif