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@@ -0,0 +1,23 @@
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+"""
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+tested on uiflow for stickc v1.8.1
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+"""
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+
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+# pylint: disable=import-error
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+import m5ui
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+import machine
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+from m5stack import lcd, axp
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+
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+print("battery:", axp.getBatVoltage(), "V")
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+
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+m5ui.setScreenColor(0x000000) # clear screen
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+screen_width, screen_height = lcd.winsize()
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+# https://github.com/m5stack/UIFlow-Code/wiki/M5UI#textbox
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+time_text_box = m5ui.M5TextBox(
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+ screen_width - 1, 0, "HH:MM", lcd.FONT_DejaVu40, 0xFFFFFF, rotate=90
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+)
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+
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+# > [contradictory to] official micropython documentation,
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+# > to set RTC, use particular tuple (year , month, day, week=0, hour, minute, second, timestamp=0)
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+# https://community.m5stack.com/topic/3108/m5stack-core2-micropython-rtc-example
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+rtc = machine.RTC()
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+time_text_box.setText("{}:{}".format(*rtc.datetime()[4:6]))
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