## Current sea level pressure
sealevel = 1015
## END SET THESE ===============================================================
print("Starting PI drone ...")
## BMP setup
print("BMP setup ...")
bmp388_set = False
bmp388_dev = None
while not bmp388_set:
try:
bmp388_dev = bmp388.DFRobot_BMP388_I2C()
bmp388_set = True
time.sleep(3)
except IOError:
print("Retrying BMP setup ...")
## ATmega setup
print("ATmega setup ...")
atmega = atmega.atmega()
## IMU setup
print("IMU setup ...")
i2c_imu = None
sensor = None
imu_set = False
#通过I2C连接bmp388和esp32
#download bmp388.py and downloadAndRun this demo
import bmp388
import time
from machine import Pin, I2C
#create I2C object
i2c = I2C(scl=Pin(22), sda=Pin(21), freq=100000)
#create I2C通信的bmp388 object
bmp388 = bmp388.DFRobot_BMP388_I2C(i2c)
#read temperature and print it
while 1:
temp = bmp388.readTemperature()
print("Temperature : %s" % temp)
time.sleep(0.5)
# 3.3v(17) VCC
# MOSI(19) SDI
# MISO(21) SDO
# SCLK(23) SCK
# GND (25) GND
#
# BMP388_I2C_ADDR = 0x76: pin SDO is low
# BMP388_I2C_ADDR = 0x77: pin SDO is high
import bmp388
import time
import RPi.GPIO as GPIO
# If 0, connect BMP388 to SPI interface of raspberry, else connect I2C interface
if 0:
# Create a bmp388 object to communicate with I2C.
bmp388 = bmp388.DFRobot_BMP388_I2C(0x77)
else:
# Define chip selection pins
cs = 22
# Create a bmp388 object to communicate with SPI.
bmp388 = bmp388.DFRobot_BMP388_SPI(cs)
INT = 27
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(INT, GPIO.IN)
flag = 0
