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15 lines
239 B
Bash
Executable File
15 lines
239 B
Bash
Executable File
#!/bin/bash
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if [[ $# != 1 || $((-(-$1))) != $1 ]]; then
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echo "Usage: $0 cnannel [!0-7 == all off]" >&2
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exit 1
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fi
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CMD="0"
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[[ $1 -ge 0 && $1 -le 7 ]] && CMD=$((1 << $1))
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echo "send $CMD"
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i2ctransfer -y 1 w1@0x70 $CMD
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i2cdetect -y -r 1
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