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.gitignore vendored
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.pio
.vscode
.DS_Store
.DS_Store

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# RF climate sensor (BME280)
Climate sensor on ATmega328 + nRF24 + BME280.
Climate sensor on ATmega328 + RF24 + BME280.
## Features
@ -10,6 +10,43 @@ Climate sensor on ATmega328 + nRF24 + BME280.
## Note
A gateway is required. For details see [RF Gateway](https://github.com/aZholtikov/RF-Gateway).
A gateway is required. For details see "RF - ESP-NOW Gateway".
Any feedback via [e-mail](mailto:github@zh.com.ru) would be appreciated. Or... [Buy me a coffee](https://paypal.me/aZholtikov).
## Full config example for Home Assistant
```yml
mqtt:
sensor:
- name: "NAME"
device_class: "voltage"
unit_of_measurement: "V"
state_topic: "homeassistant/rf_sensor/ID/bme280"
value_template: "{{ value_json.battery }}"
expire_after: 375
force_update: true
qos: 2
- name: "NAME"
device_class: "humidity"
unit_of_measurement: "%"
state_topic: "homeassistant/rf_sensor/ID/bme280"
value_template: "{{ value_json.humidity }}"
expire_after: 375
force_update: true
qos: 2
- name: "NAME"
device_class: "temperature"
unit_of_measurement: "°C"
state_topic: "homeassistant/rf_sensor/ID/bme280"
value_template: "{{ value_json.temperature }}"
expire_after: 375
force_update: true
qos: 2
- name: "NAME"
evice_class: "pressure"
unit_of_measurement: "мм"
state_topic: "homeassistant/rf_sensor/ID/bme280"
value_template: "{{ value_json.pressure }}"
expire_after: 375
force_update: true
qos: 2
```

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@ -7,6 +7,7 @@ framework = arduino
upload_protocol = usbasp
build_flags =
-D portUSE_WDTO=WDTO_1S
-D BME280=1
-D ID=$UNIX_TIME
board_fuses.hfuse = 0xDE
board_fuses.lfuse = 0xE2
@ -15,10 +16,9 @@ upload_flags =
-Pusb
-e
lib_deps =
https://github.com/adafruit/Adafruit_BME280_Library
https://github.com/aZholtikov/ZHConfig
https://github.com/feilipu/Arduino_FreeRTOS_Library
https://github.com/nRF24/RF24
adafruit/Adafruit BME280 Library@^2.2.2
feilipu/FreeRTOS@^10.5.0-0
nrf24/RF24@^1.4.5
[env:ATmega328P]
platform = atmelavr
@ -29,6 +29,7 @@ framework = arduino
upload_protocol = usbasp
build_flags =
-D portUSE_WDTO=WDTO_1S
-D BME280=1
-D ID=$UNIX_TIME
board_fuses.hfuse = 0xDE
board_fuses.lfuse = 0xE2
@ -37,10 +38,9 @@ upload_flags =
-Pusb
-e
lib_deps =
https://github.com/adafruit/Adafruit_BME280_Library
https://github.com/aZholtikov/ZHConfig
https://github.com/feilipu/Arduino_FreeRTOS_Library
https://github.com/nRF24/RF24
adafruit/Adafruit BME280 Library@^2.2.2
feilipu/FreeRTOS@^10.5.0-0
nrf24/RF24@^1.4.5
[env:ATmega328PB]
platform = atmelavr
@ -51,6 +51,7 @@ framework = arduino
upload_protocol = usbasp
build_flags =
-D portUSE_WDTO=WDTO_1S
-D BME280=1
-D ID=$UNIX_TIME
board_fuses.hfuse = 0xDE
board_fuses.lfuse = 0xE2
@ -59,7 +60,6 @@ upload_flags =
-Pusb
-e
lib_deps =
https://github.com/adafruit/Adafruit_BME280_Library
https://github.com/aZholtikov/ZHConfig
https://github.com/feilipu/Arduino_FreeRTOS_Library
https://github.com/nRF24/RF24
adafruit/Adafruit BME280 Library@^2.2.2
feilipu/FreeRTOS@^10.5.0-0
nrf24/RF24@^1.4.5

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#include "Arduino_FreeRTOS.h"
#include "Adafruit_BME280.h"
#include "RF24.h"
#include "EEPROM.h"
#include "ZHConfig.h"
typedef struct
{
int16_t sensor_id{0};
int16_t sensor_type{0};
int16_t value_1{0};
int16_t value_2{0};
int16_t value_3{0};
int16_t value_4{0};
int16_t value_5{0};
} transmitted_data_t;
void sendSensorsValue(void *pvParameters);
float getBatteryLevelCharge(void);
void loadId(void);
int16_t id{abs((int16_t)ID)};
RF24 radio(9, 10);
Adafruit_BME280 bme;
void setup()
{
loadId();
ADCSRA &= ~(1 << ADEN);
radio.begin();
radio.setChannel(120);
@ -53,7 +57,7 @@ void sendSensorsValue(void *pvParameters)
(void)pvParameters;
for (;;)
{
rf_transmitted_data_t sensor{id, RFST_BME280};
transmitted_data_t sensor{abs((int16_t)ID), BME280};
bme.takeForcedMeasurement();
sensor.value_1 = getBatteryLevelCharge() * 100;
sensor.value_2 = bme.readHumidity();
@ -61,7 +65,7 @@ void sendSensorsValue(void *pvParameters)
sensor.value_4 = bme.readPressure() * 0.00750062;
radio.powerUp();
radio.flush_tx();
radio.write(&sensor, sizeof(rf_transmitted_data_t));
radio.write(&sensor, sizeof(transmitted_data_t));
radio.powerDown();
vTaskDelay(300);
}
@ -77,19 +81,6 @@ float getBatteryLevelCharge()
while (bit_is_set(ADCSRA, ADSC))
;
ADCSRA &= ~(1 << ADEN);
return (1024 * 1.1) / (ADCL + ADCH * 256);
}
void loadId()
{
cli();
if (EEPROM.read(511) == 254)
EEPROM.get(0, id);
else
{
EEPROM.write(511, 254);
EEPROM.put(0, id);
}
delay(50);
sei();
float value = ((1024 * 1.1) / (ADCL + ADCH * 256));
return value;
}