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Optimized keyboard color logic
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@ -1,7 +1,9 @@
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#!/bin/bash
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set -euo pipefail
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# Check if the vendor and product ID is provided
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if [ -z "$1" ]; then
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if [ -z "${1-}" ]; then
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echo "Error: Vendor and product ID is missing."
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echo "Usage: /opt/keyboard_color.sh <vendor_and_product_id>"
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exit 1
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@ -11,48 +13,79 @@ fi
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vendor_and_product_id=$1
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# Define the color transition parameters
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fade_duration=1800 # 30 minutes in seconds
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transition_start="06:00"
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transition_end="06:30"
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red_start="18:00"
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red_end="06:00"
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red_color="ff0000"
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noon_color="ffffff"
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twilight_color="ff00a8"
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sunset_color="ff0000"
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dawn_color="ff0000"
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sunrise_color="00e4ff"
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# Function to calculate the color based on the transition ratio
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calculate_color() {
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local color_start=$1
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local color_end=$2
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local transition_ratio=$3
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local start_value=$((16#${color_start}))
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local end_value=$((16#${color_end}))
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local current_value=$(awk "BEGIN { value = ${start_value} + (${end_value} - ${start_value}) * ${transition_ratio}; printf(\"%.0f\", value) }")
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printf "%06x" "${current_value}"
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}
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# Get the current time in HH:MM format
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current_time=$(date +%H:%M)
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# Check if it's within the red period
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if [[ "$current_time" > "$red_start" || "$current_time" < "$red_end" ]]; then
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# Set the color to red directly
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sudo msi-perkeyrgb --model GS65 -s "$red_color" --id "$vendor_and_product_id"
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# Calculate the transition ratio based on the current time
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if [[ "$current_time" > "21:00" || "$current_time" < "06:00" ]]; then
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# Transition from sunset to dawn (21:00 to 06:00)
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color_start="ff0000"
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color_end="ff0000"
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color_start_time="21:00"
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color_end_time="00:00"
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elif [[ "$current_time" > "06:00" && "$current_time" < "09:00" ]]; then
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# Transition from dawn to sunrise (06:00 to 09:00)
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color_start="ff0000"
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color_end="00e4ff"
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color_start_time="06:00"
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color_end_time="09:00"
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elif [[ "$current_time" > "09:00" && "$current_time" < "12:00" ]]; then
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# Transition from sunrise to noon (09:00 to 12:00)
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color_start="00e4ff"
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color_end="ffffff"
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color_start_time="09:00"
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color_end_time="12:00"
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elif [[ "$current_time" > "12:00" && "$current_time" < "18:00" ]]; then
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# Transition from noon to twilight (12:00 to 18:00)
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color_start="ffffff"
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color_end="ff00a8"
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color_start_time="12:00"
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color_end_time="18:00"
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else
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# Check if it's within the fading period
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if [[ "$current_time" > "$transition_start" && "$current_time" < "$transition_end" ]]; then
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# Calculate the transition ratio within the fading period
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start_seconds=$(date -d "$transition_start" +%s)
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end_seconds=$(date -d "$transition_end" +%s)
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current_seconds=$(date -d "$current_time" +%s)
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transition_ratio=$(awk "BEGIN { ratio = ($current_seconds - $start_seconds) / ($end_seconds - $start_seconds); print ratio }")
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# Calculate the current color based on the transition ratio
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r=$(awk "BEGIN { value = 255 - 255 * $transition_ratio; printf(\"%.0f\", value) }")
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g=0
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b=0
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else
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# Calculate the transition ratio based on the time of day
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start_seconds=$(date -d "$transition_end" +%s)
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end_seconds=$(date -d "$red_start" +%s)
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current_seconds=$(date -d "$current_time" +%s)
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transition_ratio=$(awk "BEGIN { ratio = ($current_seconds - $start_seconds) / ($end_seconds - $start_seconds); print ratio }")
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# Calculate the current color based on the transition ratio
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r=$(awk "BEGIN { value = 255 * $transition_ratio; printf(\"%.0f\", value) }")
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g=$(awk "BEGIN { value = 0 + (255 - 0) * $transition_ratio; printf(\"%.0f\", value) }")
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b=$(awk "BEGIN { value = 0 + (255 - 0) * $transition_ratio; printf(\"%.0f\", value) }")
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fi
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# Convert the RGB values to hexadecimal format
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current_color=$(printf '%02x%02x%02x' $r $g $b)
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# Set the color using msi-perkeyrgb
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msi-perkeyrgb --model GS65 -s "$current_color" --id "$vendor_and_product_id"
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# Transition from twilight to sunset (18:00 to 21:00)
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color_start="ff00a8"
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color_end="ff0000"
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color_start_time="18:00"
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color_end_time="21:00"
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fi
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# Get the current date in YYYY-MM-DD format
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current_date=$(date +%Y-%m-%d)
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# Calculate the start and end timestamps based on the current date and time
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start_timestamp=$(date -d "${current_date} ${color_start_time}" +%s)
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end_timestamp=$(date -d "${current_date} ${color_end_time}" +%s)
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# Get the current timestamp
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current_timestamp=$(date +%s)
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# Calculate the transition ratio
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transition_ratio=$(awk "BEGIN { ratio = ($current_timestamp - $start_timestamp) / ($end_timestamp - $start_timestamp); print ratio }")
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# Calculate the current color based on the transition ratio
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current_color=$(calculate_color "$color_start" "$color_end" "$transition_ratio")
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echo "changing keyboard color to #$current_color."
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# Set the color using msi-perkeyrgb
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msi-perkeyrgb --model GS65 -s "$current_color" --id "$vendor_and_product_id"
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