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git://projects.qi-hardware.com/wernermisc.git
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29 lines
387 B
Bash
Executable File
29 lines
387 B
Bash
Executable File
#!/bin/sh
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a=${1:-0x10}
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d=${2:-0}
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jtag -q <<EOF
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cable milkymist
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detect
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instruction CFG_OUT 000100 BYPASS
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instruction CFG_IN 000101 BYPASS
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pld load fjmem.bit
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initbus fjmem opcode=000010
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frequency 6000000
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detectflash 0
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peek $a
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poke $a 0x40 $a $d
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peek $a
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poke 0 0xff
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peek $a
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EOF
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cat 1>&2 <<EOF
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values read:
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- previous value
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- status (0x80 = okay, 0x92 = locked)
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- resulting value
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EOF
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