107-systems/107-Arduino-BMP388

Arduino library for interfacing with the BMP388 barometric pressure sensor which can be used for inferring altitude information.

107-Arduino-BMP388

Arduino library for interfacing with the BMP388 barometric pressure sensor which can be used for inferring altitude information.

This library works for

• ArduinoCore-samd: Arduino Zero, MKR 1000, MKR WiFi 1010, Nano 33 IoT, MKR GSM 1400, MKR NB 1500, MKR WAN 1300/1310 ✔️
• ArduinoCore-mbed: Portenta H7, Nano 33 BLE, Nano RP2040 Connect, Edge Control ✔️
• arduino-esp32: ESP32 Dev Module, ESP32 Wrover Module, ... ✔️
• ArduinoCore-renesas: Portenta C33, Uno R4 WiFi, Uno R4 Minima, ... ✔️

Example

#include <SPI.h>
#include <107-Arduino-BMP388.h>
/* ... */
static int const BMP388_CS_PIN  = 2;
static int const BMP388_INT_PIN = 6;
/* ... */
using namespace drone;
/* ... */
ArduinoBMP388 bmp388([](){ digitalWrite(BMP388_CS_PIN, LOW); },
                     [](){ digitalWrite(BMP388_CS_PIN, HIGH); },
                     [](uint8_t const d) -> uint8_t { return SPI.transfer(d); },
                     [](unit::Pressure const pressure)
                     {
                         Serial.print(pressure.value() / 100.0);
                         Serial.print(" hPa / ");
                         Serial.print(ArduinoBMP388::convertPressureToAltitude(pressure).value());
                         Serial.println(" m");
                     },
                     [](unit::Temperature const temperature)
                     {
                         Serial.print(temperature.value() + 273.15);
                         Serial.println(" °C");
                     });
/* ... */
void setup()
{
  Serial.begin(9600);
  while(!Serial) { }

  SPI.begin();
  pinMode(BMP388_CS_PIN, OUTPUT);
  digitalWrite(BMP388_CS_PIN, HIGH);

  pinMode(BMP388_INT_PIN, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(BMP388_INT_PIN), [](){ bmp388.onExternalEventHandler(); }, FALLING);

  bmp388.begin(BMP388::OutputDataRate::ODR_12_5_Hz);
}

void loop()
{

}