make simple demo simpler

Author: ladyada

adafruit_max1704x.py

@@ -95,6 +95,7 @@ class MAX17048:
     SOC_change_alert = RWBit(_MAX1704X_STATUS_REG, 5)
 
     _reset_voltage = RWBits(7, _MAX1704X_VRESET_REG, 1)
+    comparator_disabled = RWBit(_MAX1704X_VRESET_REG, 0)
 
     def __init__(self, i2c_bus, address=MAX1704X_I2CADDR_DEFAULT):
         # pylint: disable=no-member

examples/max1704x_simpletest.py

@@ -1,4 +1,3 @@
-# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
 # SPDX-FileCopyrightText: Copyright (c) 2022 ladyada for Adafruit Industries
 #
 # SPDX-License-Identifier: Unlicense
@@ -7,69 +6,19 @@
 import board
 import adafruit_max1704x 
 
-
 i2c = board.I2C()  # uses board.SCL and board.SDA
-
-from adafruit_debug_i2c import DebugI2C
-debug_i2c = DebugI2C(i2c)
-max17 = adafruit_max1704x.MAX17048(debug_i2c)
+max17 = adafruit_max1704x.MAX17048(i2c)
 
 print("Found MAX1704x with chip version", hex(max17.chip_version), "and id", hex(max17.chip_id))
 
-#max17.reset_voltage = 2.5
-print("MAX1704x reset voltage = %0.1f V" % max17.reset_voltage)
-
-#max17.activity_threshold = 0.15
-#print("MAX1704x activity threshold = %0.2f V" % max17.activity_threshold)
-
-#max17.hibernation_threshold = 5
-#print("MAX1704x hibernation threshold = %0.2f %%" % max17.hibernation_threshold)
-
-#max17.hibernate()
-
-#max17.enable_sleep = True
-#max17.sleep = True
-
-print("Quick starting")
-max17.quick_start = True
-
-max17.voltage_alert_min = 3.7
-print("Voltage alert minimum = %0.2f V" % max17.voltage_alert_min)
-#max17.voltage_alert_max = 3.8
-#print("Voltage alert maximum = %0.2f V" % max17.voltage_alert_max)
+# Quick starting allows an instant 'auto-calibration' of the battery. However, its a bad idea
+# to do this right when the battery is first plugged in or if there's a lot of load on the battery
+# so uncomment only if you're sure you want to 'reset' the chips charge calculator.
+# print("Quick starting")
+# max17.quick_start = True
 
 while True:
-    print("Battery voltage:", max17.cell_voltage, "V")
-    print("Battery state  :", max17.cell_percent, "%")
-    print("Charge rate  :", max17.charge_rate, "%/hr")
-
-    if max17.hibernating:
-        print("Hibernating!")
-
-    if max17.active_alert:
-        print("Alert!")
-        if max17.reset_alert:
-            print("  Reset indicator")
-            max17.reset_alert = False # clear the alert
-
-        if max17.voltage_high_alert:
-            print("  Voltage high")
-            max17.voltage_high_alert = False # clear the alert
-
-        if max17.voltage_low_alert:
-            print("  Voltage low")
-            max17.voltage_low_alert = False # clear the alert
-
-        if max17.voltage_reset_alert:
-            print("  Voltage reset")
-            max17.voltage_reset_alert = False # clear the alert
-
-        if max17.SOC_low_alert:
-            print("  Charge low")
-            max17.SOC_low_alert = False # clear the alert
-
-        if max17.SOC_change_alert:
-            print("  Charge changed")
-            max17.SOC_change_alert = False # clear the alert
-
+    print(f'Battery voltage: {max17.cell_voltage:.2f} Volts')
+    print(f'Battery state  : {max17.cell_percent:.1f} %')
+    print("")
     time.sleep(1)