mirror of
https://github.com/gnuton/asuswrt-merlin.ng.git
synced 2025-05-18 23:41:30 +02:00
33 lines
936 B
Bash
33 lines
936 B
Bash
# read/write pinmux configuration
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case $1 in
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-help) cat <<EOF
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Usage:
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$0 <pin> <pin> ...
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displays pinmux configuration for each pin
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$0 -mux <mux> <pin> <pin> ...
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configures each pin with mux value
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EOF
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exit ;;
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-mux) mux=$2; shift 2 ;;
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esac
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hex=0123456789abcdef
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for pin; do
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# 15:12 write data
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# 11:00 address
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lsb=${hex:$((pin/16)):1}${hex:$((pin%16)):1}
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# 5:5 1=pm enable
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# 4:4 0=unreset
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# 3:0 {1,3}={write,read} pinmux values
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case $mux in
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'') sw $tpdatamsb 0 $lsb 23 && set $(dw $tpdiagrdl)
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let s=0x$3; o="$pin: $3"
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for f in final_select:3 :1 select:3 :1 select_prevent:3 :1 \
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pre_select:3 :1 sel_out_final:4 sel_out:4 pull_out:3 i_din_PAD:1 \
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o_dout_PAD:1 o_oeb_PAD:1 o_pdn_PAD:1 o_pup_PAD:1; do
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let m="1<<${f#*:}"; let v="$s&$m-1" s=$s/$m
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test -n "${f%:*}" && o="$o ${f%:*}=$v"
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done
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echo $o ;;
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*) sw $tpdatamsb 0 ${mux}0$lsb 21 ;;
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esac
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done
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