mirror of https://github.com/arendst/Tasmota.git
376 lines
13 KiB
C++
376 lines
13 KiB
C++
/*
|
|
xsns_24_si1145.ino - SI1145/46/47 UV Index / IR / Visible light sensor support for Sonoff-Tasmota
|
|
|
|
Copyright (C) 2018 Theo Arends
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifdef USE_I2C
|
|
#ifdef USE_SI1145
|
|
/*********************************************************************************************\
|
|
* SI1145/46/47 - UV Index / IR / Visible light
|
|
*
|
|
* Based on library https://github.com/SeeedDocument/Grove-Sunlight_Sensor/
|
|
*
|
|
* I2C Addresses: 0x60
|
|
\*********************************************************************************************/
|
|
|
|
#define XSNS_24 24
|
|
|
|
#define SI114X_ADDR 0X60
|
|
//
|
|
//commands
|
|
//
|
|
#define SI114X_QUERY 0X80
|
|
#define SI114X_SET 0XA0
|
|
#define SI114X_NOP 0X00
|
|
#define SI114X_RESET 0X01
|
|
#define SI114X_BUSADDR 0X02
|
|
#define SI114X_PS_FORCE 0X05
|
|
#define SI114X_GET_CAL 0X12
|
|
#define SI114X_ALS_FORCE 0X06
|
|
#define SI114X_PSALS_FORCE 0X07
|
|
#define SI114X_PS_PAUSE 0X09
|
|
#define SI114X_ALS_PAUSE 0X0A
|
|
#define SI114X_PSALS_PAUSE 0X0B
|
|
#define SI114X_PS_AUTO 0X0D
|
|
#define SI114X_ALS_AUTO 0X0E
|
|
#define SI114X_PSALS_AUTO 0X0F
|
|
//
|
|
//IIC REGISTERS
|
|
//
|
|
#define SI114X_PART_ID 0X00
|
|
#define SI114X_REV_ID 0X01
|
|
#define SI114X_SEQ_ID 0X02
|
|
#define SI114X_INT_CFG 0X03
|
|
#define SI114X_IRQ_ENABLE 0X04
|
|
#define SI114X_IRQ_MODE1 0x05
|
|
#define SI114X_IRQ_MODE2 0x06
|
|
#define SI114X_HW_KEY 0X07
|
|
#define SI114X_MEAS_RATE0 0X08
|
|
#define SI114X_MEAS_RATE1 0X09
|
|
#define SI114X_PS_RATE 0X0A
|
|
#define SI114X_PS_LED21 0X0F
|
|
#define SI114X_PS_LED3 0X10
|
|
#define SI114X_UCOEFF0 0X13
|
|
#define SI114X_UCOEFF1 0X14
|
|
#define SI114X_UCOEFF2 0X15
|
|
#define SI114X_UCOEFF3 0X16
|
|
#define SI114X_WR 0X17
|
|
#define SI114X_COMMAND 0X18
|
|
#define SI114X_RESPONSE 0X20
|
|
#define SI114X_IRQ_STATUS 0X21
|
|
#define SI114X_ALS_VIS_DATA0 0X22
|
|
#define SI114X_ALS_VIS_DATA1 0X23
|
|
#define SI114X_ALS_IR_DATA0 0X24
|
|
#define SI114X_ALS_IR_DATA1 0X25
|
|
#define SI114X_PS1_DATA0 0X26
|
|
#define SI114X_PS1_DATA1 0X27
|
|
#define SI114X_PS2_DATA0 0X28
|
|
#define SI114X_PS2_DATA1 0X29
|
|
#define SI114X_PS3_DATA0 0X2A
|
|
#define SI114X_PS3_DATA1 0X2B
|
|
#define SI114X_AUX_DATA0_UVINDEX0 0X2C
|
|
#define SI114X_AUX_DATA1_UVINDEX1 0X2D
|
|
#define SI114X_RD 0X2E
|
|
#define SI114X_CHIP_STAT 0X30
|
|
//
|
|
//Parameters
|
|
//
|
|
#define SI114X_CHLIST 0X01
|
|
#define SI114X_CHLIST_ENUV 0x80
|
|
#define SI114X_CHLIST_ENAUX 0x40
|
|
#define SI114X_CHLIST_ENALSIR 0x20
|
|
#define SI114X_CHLIST_ENALSVIS 0x10
|
|
#define SI114X_CHLIST_ENPS1 0x01
|
|
#define SI114X_CHLIST_ENPS2 0x02
|
|
#define SI114X_CHLIST_ENPS3 0x04
|
|
|
|
#define SI114X_PSLED12_SELECT 0X02
|
|
#define SI114X_PSLED3_SELECT 0X03
|
|
|
|
#define SI114X_PS_ENCODE 0X05
|
|
#define SI114X_ALS_ENCODE 0X06
|
|
|
|
#define SI114X_PS1_ADCMUX 0X07
|
|
#define SI114X_PS2_ADCMUX 0X08
|
|
#define SI114X_PS3_ADCMUX 0X09
|
|
|
|
#define SI114X_PS_ADC_COUNTER 0X0A
|
|
#define SI114X_PS_ADC_GAIN 0X0B
|
|
#define SI114X_PS_ADC_MISC 0X0C
|
|
|
|
#define SI114X_ALS_IR_ADC_MUX 0X0E
|
|
#define SI114X_AUX_ADC_MUX 0X0F
|
|
|
|
#define SI114X_ALS_VIS_ADC_COUNTER 0X10
|
|
#define SI114X_ALS_VIS_ADC_GAIN 0X11
|
|
#define SI114X_ALS_VIS_ADC_MISC 0X12
|
|
|
|
#define SI114X_LED_REC 0X1C
|
|
|
|
#define SI114X_ALS_IR_ADC_COUNTER 0X1D
|
|
#define SI114X_ALS_IR_ADC_GAIN 0X1E
|
|
#define SI114X_ALS_IR_ADC_MISC 0X1F
|
|
//
|
|
//USER SETTINGS DEFINE
|
|
//
|
|
//ADCMUX
|
|
#define SI114X_ADCMUX_SMALL_IR 0x00
|
|
#define SI114X_ADCMUX_VISIABLE 0x02
|
|
#define SI114X_ADCMUX_LARGE_IR 0x03
|
|
#define SI114X_ADCMUX_NO 0x06
|
|
#define SI114X_ADCMUX_GND 0x25
|
|
#define SI114X_ADCMUX_TEMPERATURE 0x65
|
|
#define SI114X_ADCMUX_VDD 0x75
|
|
//LED SEL
|
|
#define SI114X_PSLED12_SELECT_PS1_NONE 0x00
|
|
#define SI114X_PSLED12_SELECT_PS1_LED1 0x01
|
|
#define SI114X_PSLED12_SELECT_PS1_LED2 0x02
|
|
#define SI114X_PSLED12_SELECT_PS1_LED3 0x04
|
|
#define SI114X_PSLED12_SELECT_PS2_NONE 0x00
|
|
#define SI114X_PSLED12_SELECT_PS2_LED1 0x10
|
|
#define SI114X_PSLED12_SELECT_PS2_LED2 0x20
|
|
#define SI114X_PSLED12_SELECT_PS2_LED3 0x40
|
|
#define SI114X_PSLED3_SELECT_PS2_NONE 0x00
|
|
#define SI114X_PSLED3_SELECT_PS2_LED1 0x10
|
|
#define SI114X_PSLED3_SELECT_PS2_LED2 0x20
|
|
#define SI114X_PSLED3_SELECT_PS2_LED3 0x40
|
|
//ADC GAIN DIV
|
|
#define SI114X_ADC_GAIN_DIV1 0X00
|
|
#define SI114X_ADC_GAIN_DIV2 0X01
|
|
#define SI114X_ADC_GAIN_DIV4 0X02
|
|
#define SI114X_ADC_GAIN_DIV8 0X03
|
|
#define SI114X_ADC_GAIN_DIV16 0X04
|
|
#define SI114X_ADC_GAIN_DIV32 0X05
|
|
//LED CURRENT
|
|
#define SI114X_LED_CURRENT_5MA 0X01
|
|
#define SI114X_LED_CURRENT_11MA 0X02
|
|
#define SI114X_LED_CURRENT_22MA 0X03
|
|
#define SI114X_LED_CURRENT_45MA 0X04
|
|
//Recovery period the ADC takes before making a PS measurement
|
|
#define SI114X_ADC_COUNTER_1ADCCLK 0X00
|
|
#define SI114X_ADC_COUNTER_7ADCCLK 0X01
|
|
#define SI114X_ADC_COUNTER_15ADCCLK 0X02
|
|
#define SI114X_ADC_COUNTER_31ADCCLK 0X03
|
|
#define SI114X_ADC_COUNTER_63ADCCLK 0X04
|
|
#define SI114X_ADC_COUNTER_127ADCCLK 0X05
|
|
#define SI114X_ADC_COUNTER_255ADCCLK 0X06
|
|
#define SI114X_ADC_COUNTER_511ADCCLK 0X07
|
|
//ADC MISC
|
|
#define SI114X_ADC_MISC_LOWRANGE 0X00
|
|
#define SI114X_ADC_MISC_HIGHRANGE 0X20
|
|
#define SI114X_ADC_MISC_ADC_NORMALPROXIMITY 0X00
|
|
#define SI114X_ADC_MISC_ADC_RAWADC 0X04
|
|
//INT OE
|
|
#define SI114X_INT_CFG_INTOE 0X01
|
|
//IRQ ENABLE
|
|
#define SI114X_IRQEN_ALS 0x01
|
|
#define SI114X_IRQEN_PS1 0x04
|
|
#define SI114X_IRQEN_PS2 0x08
|
|
#define SI114X_IRQEN_PS3 0x10
|
|
|
|
uint8_t si1145_type = 0;
|
|
|
|
/********************************************************************************************/
|
|
|
|
uint8_t Si1145ReadByte(uint8_t reg)
|
|
{
|
|
return I2cRead8(SI114X_ADDR, reg);
|
|
}
|
|
|
|
uint16_t Si1145ReadHalfWord(uint8_t reg)
|
|
{
|
|
return I2cRead16LE(SI114X_ADDR, reg);
|
|
}
|
|
|
|
bool Si1145WriteByte(uint8_t reg, uint16_t val)
|
|
{
|
|
I2cWrite8(SI114X_ADDR, reg, val);
|
|
}
|
|
|
|
uint8_t Si1145WriteParamData(uint8_t p, uint8_t v)
|
|
{
|
|
Si1145WriteByte(SI114X_WR, v);
|
|
Si1145WriteByte(SI114X_COMMAND, p | SI114X_SET);
|
|
return Si1145ReadByte(SI114X_RD);
|
|
}
|
|
|
|
/********************************************************************************************/
|
|
|
|
bool Si1145Present()
|
|
{
|
|
return (Si1145ReadByte(SI114X_PART_ID) == 0X45);
|
|
}
|
|
|
|
void Si1145Reset()
|
|
{
|
|
Si1145WriteByte(SI114X_MEAS_RATE0, 0);
|
|
Si1145WriteByte(SI114X_MEAS_RATE1, 0);
|
|
Si1145WriteByte(SI114X_IRQ_ENABLE, 0);
|
|
Si1145WriteByte(SI114X_IRQ_MODE1, 0);
|
|
Si1145WriteByte(SI114X_IRQ_MODE2, 0);
|
|
Si1145WriteByte(SI114X_INT_CFG, 0);
|
|
Si1145WriteByte(SI114X_IRQ_STATUS, 0xFF);
|
|
|
|
Si1145WriteByte(SI114X_COMMAND, SI114X_RESET);
|
|
delay(10);
|
|
Si1145WriteByte(SI114X_HW_KEY, 0x17);
|
|
delay(10);
|
|
}
|
|
|
|
void Si1145DeInit()
|
|
{
|
|
//ENABLE UV reading
|
|
//these reg must be set to the fixed value
|
|
Si1145WriteByte(SI114X_UCOEFF0, 0x29);
|
|
Si1145WriteByte(SI114X_UCOEFF1, 0x89);
|
|
Si1145WriteByte(SI114X_UCOEFF2, 0x02);
|
|
Si1145WriteByte(SI114X_UCOEFF3, 0x00);
|
|
Si1145WriteParamData(SI114X_CHLIST, SI114X_CHLIST_ENUV | SI114X_CHLIST_ENALSIR | SI114X_CHLIST_ENALSVIS | SI114X_CHLIST_ENPS1);
|
|
//
|
|
//set LED1 CURRENT(22.4mA)(It is a normal value for many LED)
|
|
//
|
|
Si1145WriteParamData(SI114X_PS1_ADCMUX, SI114X_ADCMUX_LARGE_IR);
|
|
Si1145WriteByte(SI114X_PS_LED21, SI114X_LED_CURRENT_22MA);
|
|
Si1145WriteParamData(SI114X_PSLED12_SELECT, SI114X_PSLED12_SELECT_PS1_LED1);
|
|
//
|
|
//PS ADC SETTING
|
|
//
|
|
Si1145WriteParamData(SI114X_PS_ADC_GAIN, SI114X_ADC_GAIN_DIV1);
|
|
Si1145WriteParamData(SI114X_PS_ADC_COUNTER, SI114X_ADC_COUNTER_511ADCCLK);
|
|
Si1145WriteParamData(SI114X_PS_ADC_MISC, SI114X_ADC_MISC_HIGHRANGE | SI114X_ADC_MISC_ADC_RAWADC);
|
|
//
|
|
//VIS ADC SETTING
|
|
//
|
|
Si1145WriteParamData(SI114X_ALS_VIS_ADC_GAIN, SI114X_ADC_GAIN_DIV1);
|
|
Si1145WriteParamData(SI114X_ALS_VIS_ADC_COUNTER, SI114X_ADC_COUNTER_511ADCCLK);
|
|
Si1145WriteParamData(SI114X_ALS_VIS_ADC_MISC, SI114X_ADC_MISC_HIGHRANGE);
|
|
//
|
|
//IR ADC SETTING
|
|
//
|
|
Si1145WriteParamData(SI114X_ALS_IR_ADC_GAIN, SI114X_ADC_GAIN_DIV1);
|
|
Si1145WriteParamData(SI114X_ALS_IR_ADC_COUNTER, SI114X_ADC_COUNTER_511ADCCLK);
|
|
Si1145WriteParamData(SI114X_ALS_IR_ADC_MISC, SI114X_ADC_MISC_HIGHRANGE);
|
|
//
|
|
//interrupt enable
|
|
//
|
|
Si1145WriteByte(SI114X_INT_CFG, SI114X_INT_CFG_INTOE);
|
|
Si1145WriteByte(SI114X_IRQ_ENABLE, SI114X_IRQEN_ALS);
|
|
//
|
|
//AUTO RUN
|
|
//
|
|
Si1145WriteByte(SI114X_MEAS_RATE0, 0xFF);
|
|
Si1145WriteByte(SI114X_COMMAND, SI114X_PSALS_AUTO);
|
|
}
|
|
|
|
boolean Si1145Begin()
|
|
{
|
|
if (!Si1145Present()) { return false; }
|
|
|
|
Si1145Reset();
|
|
Si1145DeInit();
|
|
return true;
|
|
}
|
|
|
|
// returns the UV index * 100 (divide by 100 to get the index)
|
|
uint16_t Si1145ReadUV()
|
|
{
|
|
return Si1145ReadHalfWord(SI114X_AUX_DATA0_UVINDEX0);
|
|
}
|
|
|
|
// returns visible+IR light levels
|
|
uint16_t Si1145ReadVisible()
|
|
{
|
|
return Si1145ReadHalfWord(SI114X_ALS_VIS_DATA0);
|
|
}
|
|
|
|
// returns IR light levels
|
|
uint16_t Si1145ReadIR()
|
|
{
|
|
return Si1145ReadHalfWord(SI114X_ALS_IR_DATA0);
|
|
}
|
|
|
|
/********************************************************************************************/
|
|
|
|
void Si1145Update()
|
|
{
|
|
if (!si1145_type) {
|
|
if (Si1145Begin()) {
|
|
si1145_type = 1;
|
|
snprintf_P(log_data, sizeof(log_data), S_LOG_I2C_FOUND_AT, "SI1145", SI114X_ADDR);
|
|
AddLog(LOG_LEVEL_DEBUG);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef USE_WEBSERVER
|
|
const char HTTP_SNS_SI1145[] PROGMEM = "%s"
|
|
"{s}SI1145 " D_ILLUMINANCE "{m}%d " D_UNIT_LUX "{e}" // {s} = <tr><th>, {m} = </th><td>, {e} = </td></tr>
|
|
"{s}SI1145 " D_INFRARED "{m}%d " D_UNIT_LUX "{e}"
|
|
"{s}SI1145 " D_UV_INDEX "{m}%d.%d{e}";
|
|
#endif // USE_WEBSERVER
|
|
|
|
void Si1145Show(boolean json)
|
|
{
|
|
if (si1145_type && Si1145Present()) {
|
|
uint16_t visible = Si1145ReadVisible();
|
|
uint16_t infrared = Si1145ReadIR();
|
|
uint16_t uvindex = Si1145ReadUV();
|
|
if (json) {
|
|
snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"SI1145\":{\"" D_JSON_ILLUMINANCE "\":%d,\"" D_JSON_INFRARED "\":%d,\"" D_JSON_UVINDEX "\":%d.%d}"),
|
|
mqtt_data, visible, infrared, uvindex /100, uvindex %100);
|
|
#ifdef USE_DOMOTICZ
|
|
if (0 == tele_period) DomoticzSensor(DZ_ILLUMINANCE, visible);
|
|
#endif // USE_DOMOTICZ
|
|
#ifdef USE_WEBSERVER
|
|
} else {
|
|
snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_SI1145, mqtt_data, visible, infrared, uvindex /100, uvindex %100);
|
|
#endif
|
|
}
|
|
} else {
|
|
si1145_type = 0;
|
|
}
|
|
}
|
|
|
|
/*********************************************************************************************\
|
|
* Interface
|
|
\*********************************************************************************************/
|
|
|
|
boolean Xsns24(byte function)
|
|
{
|
|
boolean result = false;
|
|
|
|
if (i2c_flg) {
|
|
switch (function) {
|
|
case FUNC_EVERY_SECOND:
|
|
Si1145Update();
|
|
break;
|
|
case FUNC_JSON_APPEND:
|
|
Si1145Show(1);
|
|
break;
|
|
#ifdef USE_WEBSERVER
|
|
case FUNC_WEB_APPEND:
|
|
Si1145Show(0);
|
|
break;
|
|
#endif // USE_WEBSERVER
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#endif // USE_SI1145
|
|
#endif // USE_I2C
|