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2. Firmware & Program 1.0
UiFlow1 Development Guide
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Event
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Unit
Module
Hat
UiFlow2 Quick Start
2. Firmware & Program 2.0
UiFlow2 Development Guide
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UiFlow2 Video Column
Unit EXT.IO2
Example
Control servo rotation and RGB LED illumination
from m5stack import *
from m5ui import *
from uiflow import *
import time
import unit
setScreenColor(0x222222)
ext_io2_0 = unit.get(unit.EXT_IO2, unit.PORTA)
ext_io2_0.init_i2c_address(0x45)
ext_io2_0.set_config_mode(2, 3)
ext_io2_0.set_config_mode(1, 4)
ext_io2_0.write_rgb_led(1, 78, 74, 96)
while True:
ext_io2_0.write_servo_angle(2, 65)
print((str('servo angle:') + str((ext_io2_0.read_servo_angle(2)))))
wait(1)
ext_io2_0.write_servo_angle(2, 176)
print((str('servo angle:') + str((ext_io2_0.read_servo_angle(2)))))
wait(1)
wait_ms(2)API
ext_io2_0.init_i2c_address(0x45)- Initialize EXTIO2 Unit and obtain communication address
print((str('config mode:') + str((ext_io2_0.get_config_mode(0)))))- Obtain the current configuration mode of a specified channel
print((str('ADC 12bit:') + str((ext_io2_0.read_adc12_pin(0)))))- Read 12-bit ADC value from a pin
print((str('ADC 8bit:') + str((ext_io2_0.read_adc8_pin(0)))))- Read 8-bit ADC value from a pin
print((str('digital input:') + str((ext_io2_0.read_input_pin(0)))))- Read the value of an input pin
print((str('RGB LED:') + str((ext_io2_0.read_rgb_led(0)))))- Read the RGB LED value of a specified channel
print((str('servo angle:') + str((ext_io2_0.read_servo_angle(0)))))- Read the servo rotation angle of a specified channel
print((str('servo pulse:') + str((ext_io2_0.read_servo_pulse(0)))))- Read the pulse width of a specified channel
print((str('version:') + str((ext_io2_0.read_status(0XFE)))))- Obtain the current device firmware version
ext_io2_0.set_config_mode(0, 0)- Set the configuration mode of a specific channel
ext_io2_0.set_i2c_address(0x45)- Reset the I2C address
ext_io2_0.write_output_pin(0, 0)- Set the digital output pin level
ext_io2_0.write_rgb_led(0, 0, 0, 0)- Write RGB color value
ext_io2_0.write_servo_angle(0, 0)- Write angle
ext_io2_0.write_servo_pulse(0, 500)- Write pulse width