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fbtft.py
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fbtft.py
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import subprocess
import time
import os
import glob
from test_fb import Framebuffer, show_name, msg
MPG_TEST = "/home/pi/test.mpg"
def get_debug():
return 3
def call(*args):
if subprocess.call(*args) != 0:
raise OSError
def sudocall(cmd, *args):
if subprocess.call(["sudo"] + cmd, *args) != 0:
raise OSError
def sudoecho(file, str):
os.system("sudo sh -c \"echo '%s' > %s\"" % (str, file))
def apt_get_install(*args):
sudocall(["apt-get", "-y", "install"] + [item for item in args])
def prerequisites():
if not os.path.isfile("/usr/bin/xinput"):
print("\nInstalling xinput\n------------------\n\n")
apt_get_install("xinput")
dir = os.getcwd()
os.chdir(os.path.dirname(__file__))
os.chdir("..")
# if not os.path.isdir("fbtest/"):
# print("\nInstalling fbtest\n-----------------\n\n")
# sudocall(["apt-get", "-y", "install", "libnetpbm10-dev"])
# call(["git", "clone", "https://git.kernel.org/pub/scm/linux/kernel/git/geert/fbtest.git"])
# text = open("fbtest/fb.c").read()
# with open("fbtest/fb.c", "w") as f:
# f.write(text.replace("#include <asm/page.h>", "/* #include <asm/page.h> */"))
# os.chdir("fbtest")
# call(["make"])
#
if not os.path.isfile(MPG_TEST):
print("\nInstalling mplayer\n------------------\n\n")
apt_get_install("mplayer")
call(["wget", "-O", "%s" % MPG_TEST, "http://fredrik.hubbe.net/plugger/test.mpg"])
os.chdir(dir)
def ensure_spi():
sudocall(["modprobe", "spi_bcm2708"])
def ensure_no_spi():
sudocall(["modprobe", "-r", "spi_bcm2708"])
def ensure_fbtft():
sudocall(["modprobe", "fbtft"])
class FBTFTdevice:
def __init__(self, name, dev={}, drv={}, devname="", autoload=False, wait=1.0):
self.name = name
self.autoload = autoload
if not devname: devname = name
self.devname = devname
cmd = ["modprobe", "--first-time", "fbtft_device", "name=%s" % devname] + ["%s=%s" %(k,v) for k,v in dev.iteritems()]
print("\n")
print " ".join(cmd)
sudocall(cmd)
if not self.autoload:
cmd = ["modprobe", self.name] + ["%s=%s" %(k,v) for k,v in drv.iteritems()]
print " ".join(cmd)
sudocall(cmd)
time.sleep(wait)
self.fbdev = Framebuffer("/dev/fb1")
show_name(self.fbdev, self.fbdev.rgb(255,0,0))
def __enter__(self):
return self
def __exit__(self, type, value, trace):
self.remove()
def remove(self):
self.fbdev.close()
if not self.autoload:
while True:
time.sleep(1)
try:
sudocall(["rmmod", self.name])
except OSError:
continue
break
time.sleep(2)
sudocall(["rmmod", "fbtft_device"])
time.sleep(2)
class ADS7846device:
def __init__(self, dev={}, drv={}):
cmd = ["modprobe", "--first-time", "ads7846_device"] + ["%s=%s" %(k,v) for k,v in dev.iteritems()]
print("")
print " ".join(cmd)
sudocall(cmd)
cmd = ["modprobe", "ads7846"] + ["%s=%s" %(k,v) for k,v in drv.iteritems()]
print("")
print " ".join(cmd)
sudocall(cmd)
def __enter__(self):
return self
def __exit__(self, type, value, trace):
self.remove()
def remove(self):
while True:
try:
sudocall(["rmmod", "ads7846_device"])
except OSError:
time.sleep(2)
continue
break
class GPIO_MOUSEdevice:
def __init__(self, dev={}, drv={}):
cmd = ["modprobe", "--first-time", "gpio_mouse_device"] + ["%s=%s" %(k,v) for k,v in dev.iteritems()]
print("")
print " ".join(cmd)
sudocall(cmd)
cmd = ["modprobe", "gpio_mouse"] + ["%s=%s" %(k,v) for k,v in drv.iteritems()]
print("")
print " ".join(cmd)
sudocall(cmd)
def __enter__(self):
return self
def __exit__(self, type, value, trace):
self.remove()
def remove(self):
while True:
try:
sudocall(["rmmod", "gpio_mouse_device"])
except OSError:
time.sleep(2)
continue
break
def lsmod():
# if not "fbtft" in subprocess.check_output("lsmod"):
print subprocess.check_output("lsmod")
# by BlackJack
def get_revision():
with open('/proc/cpuinfo') as lines:
for line in lines:
if line.startswith('Revision'):
return int(line[line.index(':') + 1:], 16) & 0xFFFF
raise RuntimeError('No revision found.')
def get_board_revision():
revision = get_revision()
if revision in (2, 3):
return 1
return 2
def fbtest():
print("\nfbtest is diabled")
return
dir = os.getcwd()
os.chdir(os.path.dirname(__file__))
os.chdir("..")
sudocall(["./fbtest/fbtest", "-f", "/dev/fb1"])
os.chdir(dir)
def mplayer_test(x, y, playlength=6):
print("\nMplayer test")
sudocall(["mplayer", "-nolirc", "-vo", "fbdev2:/dev/fb1", "-endpos", "%d" % playlength, "-vf", "scale=%s:%s" % (x,y), MPG_TEST])
def startx_test(wait=True):
os.environ['FRAMEBUFFER'] = "/dev/fb1"
print("\nX test")
print " To end the test, click Off button in lower right corner and press Alt-l (lowercase L) to logout (if screen is too small)"
if wait:
call(["startx"])
return
return subprocess.Popen(["startx"])
def console_test():
print("\nConsole test")
sudocall(["con2fbmap", "1", "1"])
time.sleep(2)
sudocall(["con2fbmap", "1", "0"])
def bl_power_test(dev):
dirs = glob.glob("/sys/class/backlight/*/bl_power")
if dirs:
file = dirs[0]
print("\nBacklight test")
dev.fbdev.fill(0)
c = dev.fbdev.rgb(255,0,0)
msg(dev.fbdev, 'Backlight off', c, 2)
time.sleep(1)
sudoecho(file, "1")
dev.fbdev.fill(0)
msg(dev.fbdev, 'OFF', c, 2)
time.sleep(2)
dev.fbdev.fill(0)
msg(dev.fbdev, 'Backlight on', c, 2)
sudoecho(file, "0")
time.sleep(1)
def bl_pwm_test(dev):
dirs = glob.glob("/sys/class/backlight/*/")
if dirs:
print("\nBacklight brightness test")
with open("%smax_brightness" % dirs[0]) as f:
max_brightness = int(f.read())
try:
with open("%sactual_brightness" % dirs[0]) as f:
actual_brightness = int(f.read())
except IOError:
with open("%sbrightness" % dirs[0]) as f:
actual_brightness = int(f.read())
file = "%sbrightness" % dirs[0]
dev.fbdev.fill(0)
c = dev.fbdev.rgb(255,0,0)
msg(dev.fbdev, "Brightness ", c, 2)
for i in range(0, max_brightness, 10) + [actual_brightness]:
msg(dev.fbdev, " %s" % (3*chr(255)), 0, 2)
msg(dev.fbdev, " %3d" % i, c, 2)
sudoecho(file, "%d" % i)
time.sleep(0.5)
time.sleep(1)
def blank_test(dev):
file="/sys/class/graphics/fb1/blank"
if os.path.isfile(file):
print("\nBlanking test")
c = dev.fbdev.rgb(255,0,0)
dev.fbdev.fill(0)
msg(dev.fbdev, 'Blank=4', c, 2)
time.sleep(1)
sudoecho(file, "4")
dev.fbdev.fill(0)
msg(dev.fbdev, 'Blank=0', c, 2)
time.sleep(2)
sudoecho(file, "0")
time.sleep(1)