; ZNET LoRa Remote Sensor Node
; Battery-powered sensor nodes for temperature/humidity/VOC monitoring
;
; Supported boards:
;   - Heltec WiFi LoRa 32 V3
;   - TTGO LoRa32 (SX1276)
;   - DIY ESP32 + SX1262/SX1276 modules

[platformio]
default_envs = heltec_v3

[env]
platform = espressif32
framework = arduino
monitor_speed = 115200
upload_speed = 921600

; Common libraries for all variants
lib_deps =
    sandeepmistry/LoRa@^0.8.0
    adafruit/Adafruit Unified Sensor@^1.1.14
    adafruit/DHT sensor library@^1.4.6
    adafruit/Adafruit BME680 Library@^2.0.4
    paulstoffregen/OneWire@^2.3.8
    milesburton/DallasTemperature@^3.11.0

build_flags =
    -DCORE_DEBUG_LEVEL=1
    -DARDUINO_USB_CDC_ON_BOOT=1

; Common settings for battery optimization
board_build.partitions = min_spiffs.csv

; ============================================================================
; Heltec WiFi LoRa 32 V3 (Recommended - built-in OLED + SX1262)
; ============================================================================
[env:heltec_v3]
board = heltec_wifi_lora_32_V3
build_flags =
    ${env.build_flags}
    -DLORA_BOARD_HELTEC_V3
    -DLORA_FREQUENCY=915.0
    ; SX1262 pins for Heltec V3
    -DLORA_SCK=9
    -DLORA_MISO=11
    -DLORA_MOSI=10
    -DLORA_SS=8
    -DLORA_RST=12
    -DLORA_DIO1=14
    -DLORA_BUSY=13
    ; OLED pins
    -DOLED_SDA=17
    -DOLED_SCL=18
    -DOLED_RST=21
    ; Battery ADC
    -DBATTERY_ADC_PIN=1
    -DBATTERY_ADC_EN_PIN=37

lib_deps =
    ${env.lib_deps}
    thingpulse/ESP8266 and ESP32 OLED driver for SSD1306 displays@^4.4.0
    jgromes/RadioLib@^6.4.0

; ============================================================================
; TTGO LoRa32 V2.1 (SX1276)
; ============================================================================
[env:ttgo_lora32_v21]
board = ttgo-lora32-v21
build_flags =
    ${env.build_flags}
    -DLORA_BOARD_TTGO_V21
    -DLORA_FREQUENCY=915.0
    ; SX1276 pins for TTGO
    -DLORA_SCK=5
    -DLORA_MISO=19
    -DLORA_MOSI=27
    -DLORA_SS=18
    -DLORA_RST=23
    -DLORA_DIO0=26
    ; OLED pins
    -DOLED_SDA=21
    -DOLED_SCL=22
    -DOLED_RST=16
    ; Battery ADC
    -DBATTERY_ADC_PIN=35

lib_deps =
    ${env.lib_deps}
    thingpulse/ESP8266 and ESP32 OLED driver for SSD1306 displays@^4.4.0

; ============================================================================
; Generic ESP32 + SX1276 (DIY builds)
; ============================================================================
[env:esp32_sx1276]
board = esp32dev
build_flags =
    ${env.build_flags}
    -DLORA_BOARD_GENERIC
    -DLORA_FREQUENCY=915.0
    ; Define your own pins in config.h

; ============================================================================
; DHT22 sensor variant (ambient temp/humidity)
; ============================================================================
[env:heltec_v3_dht22]
extends = env:heltec_v3
build_flags =
    ${env:heltec_v3.build_flags}
    -DSENSOR_TYPE_DHT22
    -DDHT_PIN=7

; ============================================================================
; BME680 sensor variant (temp/humidity/pressure/VOC)
; ============================================================================
[env:heltec_v3_bme680]
extends = env:heltec_v3
build_flags =
    ${env:heltec_v3.build_flags}
    -DSENSOR_TYPE_BME680
    -DBME680_I2C_ADDR=0x76