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@@ -0,0 +1,88 @@
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+#!/bin/bash
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+
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+# 检查参数个数
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+if [ $# -ne 4 ]; then
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+ echo "Usage: $0 <0-2> <0-4095> <0-4095> <0-4095>"
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+ exit 1
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+fi
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+
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+# 赋值参数
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+# bus 0-/dev/i2c-0 1-/dev/i2c-1
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+bus=0
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+
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+# param1 0-第0个LED 1-第1个LED 2-第2个LED
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+param1=$1
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+
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+# param2 red
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+param2=$2
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+param2=$((4095 - ${param2}))
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+
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+# param3 green
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+param3=$3
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+param3=$((4095 - ${param3}))
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+
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+# param4 blue
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+param4=$4
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+param4=$((4095 - ${param4}))
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+
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+# 验证第一个参数范围 0-2
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+if ! [[ "$param1" =~ ^[0-2]$ ]]; then
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+ echo "Error: First parameter must be 0, 1, or 2"
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+ exit 1
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+fi
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+
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+# 验证后面三个参数范围 0-4095
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+for i in 2 3 4; do
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+ val=${!i}
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+ if ! [[ "$val" =~ ^[0-9]+$ ]] || [ "$val" -lt 0 ] || [ "$val" -gt 4095 ]; then
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+ echo "Error: Parameter $i must be an integer between 0 and 4095"
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+ exit 1
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+ fi
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+done
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+
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+# 拆分函数：将 0-4095 的值拆成两个字节（高8位和低8位）
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+split_into_bytes() {
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+ local value=$1
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+ local high_byte=$(( (value >> 8) & 0xFF ))
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+ local low_byte=$(( value & 0xFF ))
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+ echo "$high_byte $low_byte"
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+}
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+
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+read high1 low1 <<< $(split_into_bytes $param2)
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+read high2 low2 <<< $(split_into_bytes $param3)
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+read high3 low3 <<< $(split_into_bytes $param4)
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+
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+echo "param1:${param1}"
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+echo "high1:${high1} low1:${low1}"
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+echo "high1:${high2} low1:${low2}"
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+echo "high1:${high3} low1:${low3}"
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+
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+
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+reg_06=$((0x06 + ${param1} * 12))
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+reg_07=$((0x07 + ${param1} * 12))
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+reg_08=$((0x08 + ${param1} * 12))
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+reg_09=$((0x09 + ${param1} * 12))
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+reg_0a=$((0x0a + ${param1} * 12))
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+reg_0b=$((0x0b + ${param1} * 12))
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+reg_0c=$((0x0c + ${param1} * 12))
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+reg_0d=$((0x0d + ${param1} * 12))
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+reg_0e=$((0x0e + ${param1} * 12))
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+reg_0f=$((0x0f + ${param1} * 12))
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+reg_10=$((0x10 + ${param1} * 12))
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+reg_11=$((0x11 + ${param1} * 12))
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+
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+# echo "${reg_06} ${reg_07} ${reg_08} ${reg_09} ${reg_0a} ${reg_0b} ${reg_0c} ${reg_0d} ${reg_0e} ${reg_0f} ${reg_10} ${reg_11} "
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+
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+i2cset -y ${bus} 0x40 $reg_06 0
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+i2cset -y ${bus} 0x40 $reg_07 0
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+i2cset -y ${bus} 0x40 $reg_08 $low1
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+i2cset -y ${bus} 0x40 $reg_09 $high1
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+i2cset -y ${bus} 0x40 $reg_0a 0
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+i2cset -y ${bus} 0x40 $reg_0b 0
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+i2cset -y ${bus} 0x40 $reg_0c $low2
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+i2cset -y ${bus} 0x40 $reg_0d $high2
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+i2cset -y ${bus} 0x40 $reg_0e 0
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+i2cset -y ${bus} 0x40 $reg_0f 0
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+i2cset -y ${bus} 0x40 $reg_10 $low3
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+i2cset -y ${bus} 0x40 $reg_11 $high3
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+
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