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Save current changes before reorganizing drivers and cleaning workspace

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This commit is contained in:
Adolfo Reyna
2026-06-17 22:17:59 -04:00
parent 3356e5d4a2
commit 2813c11104
21 changed files with 2904 additions and 132 deletions
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battery_util.py
+5 -5
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@@ -3,7 +3,7 @@ from machine import ADC, Pin
class BatteryMonitor:
"""Utility class for monitoring battery voltage and capacity on ESP32-S3-RLCD-4.2."""
def __init__(self, pin_num=4):
def __init__(self, pin_num=9):
import sys
self.adc = ADC(Pin(pin_num))
if sys.platform == 'esp32':
@@ -18,16 +18,16 @@ class BatteryMonitor:
try:
# Try calibrated reading in microvolts first
uv = self.adc.read_uv()
# 3x voltage divider onboard scales 3.0V-4.2V battery to 1.0V-1.4V
voltage = (uv / 1_000_000.0) * 3.0
# 2x voltage divider onboard scales 3.0V-4.2V battery to 1.5V-2.1V
voltage = (uv / 1_000_000.0) * 2.0
return round(voltage, 3)
except AttributeError:
# Fallback if read_uv() is not supported on older MicroPython builds
try:
# Read 12-bit value (0-4095)
raw = self.adc.read()
# 3.3V reference at 11dB attenuation, 3x divider
voltage = (raw / 4095.0) * 3.3 * 3.0
# 3.3V reference at 11dB attenuation, 2x divider
voltage = (raw / 4095.0) * 3.3 * 2.0
return round(voltage, 3)
except Exception as e:
print(f"Error reading battery raw ADC: {e}")