def _on_boot_(app_name=None, *app_args, **app_kws):
__init_dict()
# >>>> init screen <<<<
import hal_screen
hal_screen.init()
hal_screen.get_framebuffer().fill(0)
render_boot_image()
# >>>> init <<<<
# init your need.
# import hal_keypad, hal_buzz, hal_led, hal_battery
# hal_keypad.init()
# hal_buzz.init()
# hal_led.init()
# hal_battery.init()
# >>>> start <<<<
if app_name != None:
boot_app, args, kws = app_name, app_args, app_kws
else:
boot_app, args, kws = get_boot_app()
clear_boot_app()
clear_boot_image()
clear_temporary_dir()
if isinstance(boot_app, str) and boot_app != "":
# app.clear_boot_app()
gc.collect()
run_app(boot_app, *args, **kws)
else:
call_component('app_selector')
print("Program ended, entering REPL mode when running on Play32.")
usys.exit(0)
def do_connect():
wlan.active(True) # Activate the interface so you can use it.
if not wlan.isconnected(): # Unless already connected, try to connect.
print('connecting to network...')
wlan.connect(settings["wifi_name"], settings["password"]) # Connect to the station using
# credentials from the json file.
if not wlan.isconnected():
print("Can't connect to network with given credentials.")
usys.exit(0) # This will programmatically break the execution of this script and return to shell.
print('network config:', wlan.ifconfig())
def main2():
usys.exit(1)
global mcp3008_spi
global mcp3008_cs
global mcp3008_out_buf
global mcp3008_in_buf
# initialize
mcp3008_spi = SPI(0, sck=Pin(2), mosi=Pin(3), miso=Pin(4), baudrate=10000)
mcp3008_cs = Pin(5, Pin.OUT)
mcp3008_cs.value(1) # disable chip at start
mcp3008_cs.value(1) # ncs on
mcp3008_out_buf = bytearray(3)
mcp3008_out_buf[0] = 0x01
mcp3008_in_buf = bytearray(3)
global m
m = [7, 6, 5, 4, 0, 1, 2, 3]
led = Pin(25, Pin.OUT)
led.off()
o = 64
so = 0
t = 3
for i in range(600):
t0 = ticks_ms()
m = mcp3008_read(7)
so = co(so, m)
#print(so)
t1 = ticks_ms()
m1, m2 = divmod(m, 16)
print(so, m1, ticks_diff(t1, t0))
if so - m1 > 2:
so = m1 + 0
print("a1", so)
else:
if so - m1 < -2:
so = m1 - 0
print("a2", so)
sleep(0.1)
import usys as sys
from lv_colors import lv_colors
try:
with open('../../../assets/img_hand_argb.bin', 'rb') as f:
hand_img_data = f.read()
except:
try:
with open('images/img_hand_rgb565.bin', 'rb') as f:
hand_img_data = f.read()
except:
print("Could not find img_hand file")
sys.exit()
# create the hands image data
img_hand_dsc = lv.img_dsc_t({
"header": {
"always_zero": 0,
"w": 100,
"h": 9,
"cf": lv.img.CF.TRUE_COLOR_ALPHA
},
"data": hand_img_data,
"data_size": len(hand_img_data),
})
# needle colors
needle_colors = [lv_colors.BLUE, lv_colors.ORANGE, lv_colors.PURPLE]
# create the gauge
# coding=utf-8
# This is a sample Python script.
import usys
import utime
import network
from video import Recorder
# 检查参数
if len(usys.argv) < 3:
print("Usage: %s <ssid> <password>" % usys.argv[0])
usys.exit(1)
# 定义网络事件回调函数
def network_evt_cb(eid):
print('%s:%d' % ('eid', eid))
# 连接网络
network.init(network.WIFI)
network.connect(usys.argv[1], usys.argv[2], network_evt_cb)
network.close()
# 等待网络连接
utime.sleep_ms(10000)
print("start recorder with rtsp test")
# 开启视频流功能
recorder = Recorder()
recorder.open(0, recorder.H264)
ntptime.host = "0.au.pool.ntp.org" # Find your local NTP server here: https://www.ntppool.org/en/
rtc = RTC()
if wlan.isconnected(
) == True: # This test is redundant since connection is tested in the do_connect() method
try:
print("Utime time before synchronization：%s" % str(utime.localtime()))
#make sure to have internet connection
ntptime.settime()
print("Utime/UTC time after synchronization：%s" %
str(utime.localtime()))
except:
print("Error syncing time")
usys.exit()
else:
print("Not connected")
sys.exit()
current_time_date_utc = utime.localtime(
) # The ntptime library will set utime.localtime to the UTC time automatically.
current_time_date_local = utime.mktime(
current_time_date_utc) # Create a new time object to store the local time.
current_time_date_local += 11 * 3600 # Sydney is 11 hours ahead of UTC. One hour has 60*60 = 3600 seconds
print("Local time:, ", utime.localtime(
current_time_date_local)) # This shows time at your location
# You can set the ESP32 RTC to your local time, or UTC time. Bellow, I am setting to UTC:
'''
rtc.datetime( (current_time_date_utc[0],
# test sys module's exit function
try:
import usys as sys
except ImportError:
import sys
try:
sys.exit
except AttributeError:
print("SKIP")
raise SystemExit
try:
raise SystemExit
except SystemExit as e:
print("SystemExit", e.args)
try:
sys.exit()
except SystemExit as e:
print("SystemExit", e.args)
try:
sys.exit(42)
except SystemExit as e:
print("SystemExit", e.args)
- Wires
- Breadboard
Documentation:
ESP32 sleep modes: https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/sleep_modes.html
Deep sleep: http://docs.micropython.org/en/latest/esp32/quickref.html#deep-sleep-mode
Machine power-related functions: DEEPSLEEP_RESET
Course:
MicroPython with the ESP32
https://techexplorations.com
'''
# machine constants: http://docs.micropython.org/en/latest/library/machine.html?highlight=reset_cause#machine-constants
import machine, usys
print("Reset cause: ", machine.reset_cause())
# check if the device woke from a deep sleep
if machine.reset_cause(
) == machine.DEEPSLEEP_RESET: # If you are testing for light sleep, use machine.SOFT_RESET
print("Woke from a deep sleep")
usys.exit(
) # # This will programmatically break the execution of this script and return to shell.
else:
# put the device to sleep for 10 seconds
print("Going to sleep for 10 seconds...")
machine.deepsleep(10000)
# you can also use machine.lightsleep(1000) to place the ESP32 in light sleep (retains RAM)
