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LF fixes
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examples/ina260_latch.py

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import time
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import board
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from adafruit_ina260 import INA260, Mode, ConversionTime
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if __name__ == "__main__":
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try:
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i2c = board.I2C()
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ina260 = INA260(i2c)
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except RuntimeError as r_e:
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# catch exception on init, no INA260 chip found
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print(r_e)
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raise r_e
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else:
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# set overcurrent limit flag and threshold value
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# 0x0008 x 1,25 mA = 10 mA as alert limit
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ina260.alert_limit = 0x0008
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# alert pin is asserted, can be check with gpiozero
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ina260.overcurrent_limit = True
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# keep the flag high until MASK_ENABLE register will be read
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ina260.alert_latch_enable = True
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ina260.mode = Mode.CONTINUOUS
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# set higher conversion time and wait its value before each read
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ina260.current_conversion_time = ConversionTime.TIME_8_244_ms
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for _ in enumerate(range(5)):
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time.sleep(ConversionTime.get_seconds(ina260.current_conversion_time))
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print(
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"Current: %.2f mA Voltage: %.2f V Power:%.2f mW"
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% (ina260.current, ina260.voltage, ina260.power)
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)
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# supposing meanwhile the alert limit was exceeded, setting an higher limit
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# and clear the ALERT
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# 0x0100 x 1,25 mA = 320 mA as alert limit
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ina260.alert_limit = 0x0100
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# alert function flag bit should be true if alert threshold was exceeded
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print("Alert function flag: {}".format(ina260.alert_function_flag))
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# in latch mode, reading the register clears the ALERT & alert function flag
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print("MASK register: {}".format(ina260.mask_enable))
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# reset the whole chip and wait 2 sec
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ina260.reset_bit = True
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time.sleep(2)
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print(
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"MASK_REGISTER check, must be 0x0000 after reset: {}".format(
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ina260.mask_enable
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)
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)
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import time
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import board
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from adafruit_ina260 import INA260, Mode, ConversionTime
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5+
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if __name__ == "__main__":
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try:
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i2c = board.I2C()
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ina260 = INA260(i2c)
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except RuntimeError as r_e:
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# catch exception on init, no INA260 chip found
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print(r_e)
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raise r_e
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else:
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# set overcurrent limit flag and threshold value
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# 0x0008 x 1,25 mA = 10 mA as alert limit
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ina260.alert_limit = 0x0008
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# alert pin is asserted, can be check with gpiozero
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ina260.overcurrent_limit = True
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# keep the flag high until MASK_ENABLE register will be read
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ina260.alert_latch_enable = True
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ina260.mode = Mode.CONTINUOUS
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# set higher conversion time and wait its value before each read
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ina260.current_conversion_time = ConversionTime.TIME_8_244_ms
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for _ in enumerate(range(5)):
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time.sleep(ConversionTime.get_seconds(ina260.current_conversion_time))
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print(
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"Current: %.2f mA Voltage: %.2f V Power:%.2f mW"
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% (ina260.current, ina260.voltage, ina260.power)
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)
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# supposing meanwhile the alert limit was exceeded, setting an higher limit
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# and clear the ALERT
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# 0x0100 x 1,25 mA = 320 mA as alert limit
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ina260.alert_limit = 0x0100
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# alert function flag bit should be true if alert threshold was exceeded
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print("Alert function flag: {}".format(ina260.alert_function_flag))
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# in latch mode, reading the register clears the ALERT & alert function flag
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print("MASK register: {}".format(ina260.mask_enable))
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# reset the whole chip and wait 2 sec
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ina260.reset_bit = True
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time.sleep(2)
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print(
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"MASK_REGISTER check, must be 0x0000 after reset: {}".format(
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ina260.mask_enable
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)
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)

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