maemo.org - Talk - python - how to read information from light meter, microphone and accelerometers?

Quote:
Originally Posted by blubbi (Post 703318)
Hi,

does any know how I can retrieve the information provided by the light meter, microphone and accelerometers?

Are there ready to use classes? D-BUS?

Any hints, examples are appreciated.

Thanks and kind regards
blubbi
Take a look at the healthcheck code - it's simple and just uses CLI style access to things. There is also some DBUS'yness in there too
(Once installed the python files will be in
/opt/healthcheck/

Example code (Functions file):
Code:
# -*- coding: utf-8 -*-

import os

import dbus



def funcAccel():

        print "** Start Function - Accel Co-ords **"

        f = open("/sys/class/i2c-adapter/i2c-3/3-001d/coord", 'r')

        coords = [int(w) for w in f.readline().split()]

        f.close()

        print " ** Getting orientation**"

        b = os.popen('run-standalone.sh dbus-send --system --type=signal /com/nokia/mce/signal com.nokia.mce.signal.sig_device_orientation_ind').read()

        coords = str(coords)

        jaccel = str(coords) + str(b)

        return jaccel



def funcBatchrg():

        print "** Start Function - Battery Charge **"

        gl = os.popen('hal-device bme | awk \'/l.p/ {perc = $3}; /s_c/ {isch = $3} END if (isch == "false") {print perc" %"} else {print "Charging"}\'').read()

        gl = gl.strip()

        return gl



def funcBatLastChrg():

        print " ** Start Function - battery last charge**"

        gl = os.popen('hal-device bme | awk \'/g.la/ {print $3" mAh"}\'').read()

        return gl.strip()



def funcBattcurr():

        print "** Start Function - Battery Current **"

        gl = os.popen('hal-device bme | awk \'/g.c/ {print $3" mAh"}\'').read()

        gl = gl.strip()

        return gl



def funcCamState():

        print "** Start Function - Cam Shutter State **"

        gl = os.popen('cat /sys/devices/platform/gpio-switch/cam_shutter/state').read()

        gl = gl.strip()

        return gl



def funcFMTrans():

        print "** Start Function - FM Transmitter power level **"

        ge = os.popen('cat /sys/class/i2c-adapter/i2c-2/2-0063/power_level').read()

        ge = ge.strip()

        return ge



def funcHeadphoneState():

        print "** Start Function - Headphone State **"

        gl = os.popen('cat /sys/devices/platform/gpio-switch/headphone/state').read()

        gl = gl.strip()

        return gl



def funcKeySlider():

        print "** Start Function - Keyboard Slider State **"

        gl = os.popen('cat /sys/devices/platform/gpio-switch/slide/state').read()

        gl = gl.strip()

        return gl



def funcProxState():

        print " ** Start Function - proximity sensor state**"

        gl = os.popen('cat /sys/devices/platform/gpio-switch/proximity/state').read()

        gl = gl.strip()

        return gl



def funcSysUptime():

        print "** Start Function - system uptime**"

        ge = os.popen('uptime | sed -e \'s/.*p *//\' -e \'s/, l.*//\' -e \'s/  / /\'').read()

        return ge



def funcCurrentCPUFreq():

        print "** Start Function - CPU Frequency **"

        gl = os.popen('echo $((`cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq`/1000)) MHz').read()

        gl = gl.strip()

        return gl



def funcAppUsed():

        print "** Start Function - App Used **"

        gl = os.popen('df /home | awk \'/ho/ {print $5}\'').read()

        gl = gl.strip()

        return gl



def funcAppFree():

        print "** Start Function - App Free **"

        gl = os.popen('df -h /home | awk \'/ho/ {print $4}\'').read()

        gl = gl.strip()

        return gl



def funcBacklightAct():

        print "** Start Function - Backlight Info **"

        gl = os.popen('cat /sys/class/backlight/acx565akm/brightness').read()

        gl = gl.strip()

        return gl



def funcBacklightMax():

        print "** Start Function - Backlight Info MAX **"

        gl = os.popen('cat /sys/class/backlight/acx565akm/max_brightness').read()

        gl = gl.strip()

        return gl



def funcKernelInfo():

        print "** Start Function - Kernel Core Info **"

        gl = os.popen('cat /sys/kernel/vmcoreinfo').read()

        return gl.strip()



def funcBootCount():

        print "** Start Function - boot count**"

        gd = os.popen('cat /var/lib/dsme/boot_count').read()

        gd = gd.strip()

        return gd



def funcBootReason():

        print "** Start Function - Boot Reason**"

        gl = os.popen('cat /proc/bootreason').read()

        gl = gl.strip()

        return gl



def funcMMCState():

        print "** Start Function - MMC Cover/latch **"

        gl = os.popen('cat /sys/class/mmc_host/mmc0/cover_switch').read()

        gl = gl.strip()

        return gl



def funcMemoryCUsed():

        print "** Start Function - Memory Card Used **"

        gl = os.popen('df /media/mmc1 | awk \'/mm/ {print $5}\'').read()

        gl = gl.strip()

        return gl



def funcMemoryCFree():

        print "** Start Function - Memory Card Free **"

        gl = os.popen('df -h /media/mmc1 | awk \'/mm/ {print $4}\'').read()

        gl = gl.strip()

        return gl



def funcMyDocsUsed():

        print "** Start Function - MyDocs % Used **"

        gl = os.popen('df /home/user/MyDocs | awk \'/My/ {print $5}\'').read()

        gl = gl.strip()

        return gl



def funcMyDocsFree():

        print "** Start Function - myDocs MB Free **"

        gl = os.popen('df -h /home/user/MyDocs | awk \'/My/ {print $4}\'').read()

        gl = gl.strip()

        return gl



def funcRootUsed():

        print "** Start Function - rootfs % used **"

        gl = os.popen('df | awk \'$1 == "rootfs" {print $5}\'').read()

        gl = gl.strip()

        return gl



def funcRootFree():

        print "** Start Function - rootfs free MB **"

        gl = os.popen('df -h | awk \'$1 == "rootfs" {print $4}\'').read()

        gl = gl.strip()

        return gl



def funcSysLoad():

        print "** Start Function - load from uptime **"

        ge = os.popen('uptime | sed \'s/.*e: //\'').read()

        return ge



def funcDevOri():

        print "** Start Function - Device Orientation **"

        bus = dbus.SystemBus()             

        accel = bus.get_object('com.nokia.mce','/com/nokia/mce/request','com.nokia.mce.request') 

        orientation , stand , face , x , y , z = accel.get_device_orientation()

        return orientation



def funcCPUfreq():

        print "** Start Function - CPU Frequency File **"

        fh = open("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies","r")

        igot = fh.readlines()

        print "** Adding CPUQ Frequencies **"

        aa = ""

        counter = 0

        for line in igot:

                s = line.split()

                for words in s:

                        counter = counter +1

                        if counter == 5:

                                aa = str(aa) +"\n \t\t\t\t"

                        if counter == 9:

                                aa = str(aa) +"\n \t\t\t\t"

                        if counter == 13:

                                aa = str(aa) +"\n \t\t\t\t"

                        aa = str(aa) + str((int(words)/1000)) + "MHz, "

        aa = aa.strip()[:-1]

        return aa



def funcProcInfo():

        print "** Start Function - Processor Information **"

        ga = os.popen('cat /proc/cpuinfo | grep Processor').read()        

        return ga.strip()[11:]



def funcN900Board():

        print "** Start Function - N900 Board Information **"

        gb = os.popen('cat /proc/cpuinfo | grep Hardware').read()

        return gb.strip()[11:]



def funcBoardVer():

        print "** Start Function - Board Version **"

        gj = os.popen('cat /proc/cpuinfo | grep Revision').read()

        return gj.strip()[11:]



def funcSysLocale():

        print "** Start Function - System Locale **"

        gc = os.popen('locale | grep LANG').read()

        return gc.strip()[5:]



def funcHostName():

        print "** Start Function - Device Hostname **"

        ga = os.popen('cat /etc/hostname').read()

        return ga.strip()



def funcIMEI():

        print "** Start Function - Device IMEI **"

        b = os.popen('run-standalone.sh dbus-send --system --print-reply --type=method_call --dest=com.nokia.phone.SIM /com/nokia/phone/SIM/security Phone.Sim.Security.get_imei').read()

        b = str(b)

        b = b.strip()

        b = str(b)[-27:]

        b = b.strip()

        b = str(b)[:-12]

        return b



def funcInternalIP():

        print "** Start Function - Internal IP **"

        ga = os.popen('/sbin/ifconfig | awk \'/Bc/ {print $2}\' | cut -c6-').read()

        return ga.strip()



def funcWifiLinkQ():

        print "** Start Function - Wireless Link Quality **"

        ga = os.popen('cat /proc/net/wireless | awk \'/0/ {print $3}\' | awk -F. \'/./ {print $1" %"}\'').read()

        return ga.strip()



def funcWifiRSSI():

        print "** Start Function - Wireless RSSI **"

        ga = os.popen('cat /proc/net/wireless | awk \'/0/ {print $4" dBm"}\'').read()

        return ga.strip()



def funcWifiNoise():

        print "** Start Function - Wireless Noise **"

        ga = os.popen('cat /proc/net/wireless | awk \'/0/ {print $5}\' | awk -F. \'/./ {print $1" dBm"}\'').read()

        return ga.strip()



def funcMacAddress():

        print "** Start Function - MAC Address **"

        gl = os.popen('cat /sys/class/ieee80211/phy0/macaddress').read()

        return gl.strip()



def funcBluetooth():

        print "** Start Function - Bluetooth Name **"

        gl = os.popen('grep \'^Name =\' /etc/bluetooth/main.conf').read()

        return gl.strip()[7:]



def funcBluetoothMAC():

        print "** Start Function - Bluetooth MAC**"

        gl = os.popen('/usr/sbin/hciconfig hci0 | grep BD').read()            

        s = gl.split(" ")

        return s[2].strip()



def funcCPUMinMax():

        print "** Start Function - Bluetooth MAC**"

        a = os.popen('cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq').read()

        a = a.strip()

        a = int(a) / 1000

        b = os.popen('cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq').read()

        b = b.strip()

        b = int(b) / 1000

        c = str(b) + "MHz" + " / " + str(a) + "MHz"

        return c.strip()