pressure = 1048576. - raw_press
pressure = (pressure - var2 / 4096.) * 6250. / var1
var1 = calib_data.dig_P9 * pressure * pressure / 2147483648.
var2 = pressure * calib_data.dig_P8 / 32768.
pressure = pressure + (var1 + var2 + calib_data.dig_P7) / 16.
if pressure < 30000.:
return 30000.
if pressure > 110000.0:
return 110000.0
return pressure
# ############################################################################
# Main routine.
if __name__ == "__main__":
# Initialization of the Application Board 2.0
BOARD = BST.UserApplicationBoard()
bst_init_brd_app20()
BME280_CS_PIN = BST.ShuttleBoardPin.COINES_SHUTTLE_PIN_7
# Note: The I2C address could be changed to 0x77 by setting a HIGH signal to the SDO pin of
# BME280, however this is not possible with the current implementation of the COINES layer
BME280_I2C_ADDR = CONSTANTS['BME280_I2C_ADDR_PRIM']
#myif = 'spi'
myif = 'i2c'
print('\n +++ Interface: ' + myif + ' +++\n')
BOARD.SetVDD(0)
BOARD.SetVDDIO(0)
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
(c) Bosch Sensortec GmbH, Reutlingen, Germany
20. Nov 2019
Install `coinespy` before running this script
$ pip install coinespy
"""
import coinespy as BST
if __name__ == "__main__":
board = BST.UserApplicationBoard()
# If you get an error message on startup, that coineslib could not be loaded, then
# intialize the UserApplicationBoard object with the path to the library, e.g.
#(WIN)board = BST.UserApplicationBoard(r'libcoines.dll')
#(LINUX)board = BST.UserApplicationBoard(r'libcoines.so')
board.PCInterfaceConfig(BST.PCINTERFACE.USB)
if board.ERRORCODE != 0:
print('Could not connect to board: %d' % (board.ERRORCODE))
else:
b_info = board.GetBoardInfo()
print('BoardInfo: HW/SW ID: ' + hex(b_info.HardwareId) + '/' + hex(b_info.SoftwareId))
board.ClosePCInterface()