24 lines
549 B
Bash
Executable File
24 lines
549 B
Bash
Executable File
#!/bin/bash
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# i2c_scan_all.sh - 扫描当前系统所有 I2C 总线上的设备
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set -e
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if ! command -v i2cdetect >/dev/null 2>&1; then
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echo "未找到 i2cdetect，请先安装 i2c-tools："
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echo " sudo apt install i2c-tools"
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exit 1
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fi
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echo "列出 I2C 总线："
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i2cdetect -l
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echo
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buses=$(i2cdetect -l | awk '{print $1}' | sed 's/i2c-//')
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for bus in $buses; do
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echo "==============================="
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echo "扫描 I2C bus $bus (/dev/i2c-$bus)"
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echo "==============================="
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i2cdetect -y "$bus"
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echo
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done |