# SPDX-FileCopyrightText: Copyright (c) 2024 Aaron W Morris (aaronwmorris)
#
# SPDX-License-Identifier: Unlicense

import time

import board

import adafruit_si1145

# setup I2C bus using board default
# change as needed for specific boards
i2c = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller

# setup sensor
si1145 = adafruit_si1145.SI1145(i2c)


print(f"Default Vis Gain: {si1145.vis_gain}")
print(f"Default IR Gain: {si1145.ir_gain}")
print(f"Default Vis High range: {str(si1145.als_vis_range_high)}")
print(f"Default IR High range: {str(si1145.als_ir_range_high)}")
print()


### Low range
si1145.als_range_high = False  # both settings
# si1145.als_vis_range_high = False
# si1145.als_ir_range_high = False

# Change above to True for High Signal Range mode.
# High Signal Range mode divides gain by 14.5
# Useful for direct sunlight operation

time.sleep(0.5)

# test reading attributes
print(f"Vis High range: {str(si1145.als_vis_range_high)}")
print(f"IR High range: {str(si1145.als_ir_range_high)}")
print()


gain_list = (
    adafruit_si1145.GAIN_ADC_CLOCK_DIV_1,  # (1x gain, default)
    adafruit_si1145.GAIN_ADC_CLOCK_DIV_2,  # (2x gain)
    adafruit_si1145.GAIN_ADC_CLOCK_DIV_4,  # (4x gain)
    adafruit_si1145.GAIN_ADC_CLOCK_DIV_8,  # (8x gain)
    adafruit_si1145.GAIN_ADC_CLOCK_DIV_16,  # (16x gain)
    adafruit_si1145.GAIN_ADC_CLOCK_DIV_32,  # (32x gain)
    adafruit_si1145.GAIN_ADC_CLOCK_DIV_64,  # (64x gain)
    adafruit_si1145.GAIN_ADC_CLOCK_DIV_128,  # (128x gain)
)


for gain in gain_list:
    si1145.gain = gain  # both gains
    # si1145.vis_gain = gain
    # si1145.ir_gain = gain

    # test reading attributes
    print(f"Vis Gain: {si1145.vis_gain}")
    print(f"IR Gain: {si1145.ir_gain}")

    vis, ir = si1145.als
    uv_index = si1145.uv_index
    print(f"Visible = {vis}, Infrared = {ir}, UV Index = {uv_index}")
    print()
    time.sleep(0.5)


### High range
# In high range mode, sensor gain should be ~14.5
si1145.als_range_high = True  # both settings
# si1145.als_vis_range_high = True
# si1145.als_ir_range_high = True
time.sleep(0.5)


# test reading attributes
print(f"Vis High range: {str(si1145.als_vis_range_high)}")
print(f"IR High range: {str(si1145.als_ir_range_high)}")
print()


vis, ir = si1145.als
uv_index = si1145.uv_index
print(f"Visible = {vis}, Infrared = {ir}, UV Index = {uv_index}")