def test_keypad(self):
#Launching key_test app from app folder, that's symlinked from example app folder
PrettyPrinter("Testing keypad", self.i, self.o, 1)
remove_left_failsafe(self.i)
import key_test
key_test.init_app(self.i, self.o)
key_test.callback()
def callback():
try:
#Testing I2C - 0x12 should answer, 0x20 should raise IOError with busy errno
from smbus import SMBus
bus = SMBus(1)
try:
bus.read_byte(0x12)
except IOError:
PrettyPrinter("Keypad does not respond!", i, o)
else:
PrettyPrinter("Keypad found!", i, o)
#Checking IO expander
expander_ok = False
try:
bus.read_byte(0x20)
except IOError as e:
if e.errno == 16:
PrettyPrinter("IO expander OK!", i, o)
expander_ok = True
elif e.errno == 121:
PrettyPrinter("IO expander not found!", i, o)
else:
PrettyPrinter("IO expander driver not loaded!", i, o)
#Launching splashscreen
GraphicsPrinter("splash.png", i, o, 2)
#Launching key_test app from app folder, that's symlinked from example app folder
PrettyPrinter("Testing keypad", i, o, 1)
import key_test
key_test.init_app(i, o)
key_test.callback()
#Following things depend on I2C IO expander,
#which might not be present:
if expander_ok:
#Testing charging detection
PrettyPrinter("Testing charger detection", i, o, 1)
from zerophone_hw import is_charging
eh = ExitHelper(i, ["KEY_LEFT", "KEY_ENTER"]).start()
if is_charging():
PrettyPrinter(
"Charging, unplug charger to continue \n Enter to bypass",
None, o, 0)
while is_charging() and eh.do_run():
sleep(1)
else:
PrettyPrinter(
"Not charging, plug charger to continue \n Enter to bypass",
None, o, 0)
while not is_charging() and eh.do_run():
sleep(1)
#Testing the RGB LED
PrettyPrinter("Testing RGB LED", i, o, 1)
from zerophone_hw import RGB_LED
led = RGB_LED()
for color in ["red", "green", "blue"]:
led.set_color(color)
Printer(color.center(o.cols), i, o, 3)
led.set_color("none")
#Testing audio jack sound
PrettyPrinter("Testing audio jack", i, o, 1)
if not downloaded.isSet():
PrettyPrinter(
"Audio jack test music not yet downloaded, waiting...", i, o)
downloaded.wait()
disclaimer = [
"Track used:"
"", "Otis McDonald", "-", "Otis McMusic", "YT AudioLibrary"
]
Printer([s.center(o.cols) for s in disclaimer], i, o, 3)
PrettyPrinter("Press C1 to restart music, C2 to continue testing", i,
o)
import pygame
pygame.mixer.init()
pygame.mixer.music.load(music_path)
pygame.mixer.music.play()
continue_event = Event()
def restart():
pygame.mixer.music.stop()
pygame.mixer.init()
pygame.mixer.music.load(music_path)
pygame.mixer.music.play()
def stop():
pygame.mixer.music.stop()
continue_event.set()
i.clear_keymap()
i.set_callback("KEY_F1", restart)
i.set_callback("KEY_F2", stop)
i.set_callback("KEY_ENTER", stop)
continue_event.wait()
#Self-test passed, it seems!
except:
exc = format_exc()
PrettyPrinter(exc, i, o, 10)
else:
PrettyPrinter("Self-test passed!", i, o, 3, skippable=False)