ioscript/ioscript |
| 1 | #!/usr/bin/perl |
| 2 | |
| 3 | $PDDAT = 0x10010310; |
| 4 | $PDDATS = 0x10010314; |
| 5 | $PDDATC = 0x10010318; |
| 6 | $PDFUNC = 0x10010348; |
| 7 | $PDDIR = 0x10010360; |
| 8 | $PDDIRS = 0x10010364; |
| 9 | $PDDIRC = 0x10010368; |
| 10 | |
| 11 | $bit{"DAT2"} = 12; |
| 12 | $bit{"DAT3"} = 13; |
| 13 | $bit{"CMD"} = 8; |
| 14 | $bit{"VDD"} = 2; |
| 15 | $bit{"CLK"} = 9; |
| 16 | $bit{"DAT0"} = 10; |
| 17 | $bit{"DAT1"} = 11; |
| 18 | |
| 19 | |
| 20 | sub poke |
| 21 | { |
| 22 | local ($a, $v) = @_; |
| 23 | |
| 24 | return unless $v; |
| 25 | $c = sprintf("ssh jlime poke 0x%0x 0x%0x", $a, $v & $mask); |
| 26 | #print STDERR "$c\n"; |
| 27 | system($c); |
| 28 | } |
| 29 | |
| 30 | |
| 31 | sub peek |
| 32 | { |
| 33 | local ($a) = @_; |
| 34 | |
| 35 | $c = sprintf("ssh jlime poke 0x%x", $a); |
| 36 | #print STDERR "$c\n"; |
| 37 | return hex(`$c`); |
| 38 | } |
| 39 | |
| 40 | |
| 41 | $mask = 0; |
| 42 | for (values %bit) { |
| 43 | $mask |= 1 << $_; |
| 44 | } |
| 45 | &poke($PDFUNC, $mask); |
| 46 | |
| 47 | $dat = 1 << $bit{"VDD"}; |
| 48 | $dir = $dat; |
| 49 | &poke($PDDATS, $dat); |
| 50 | &poke($PDDATC, $mask ^ $dat); |
| 51 | &poke($PDDIRS, $dir); |
| 52 | &poke($PDDIRC, $mask ^ $dir); |
| 53 | |
| 54 | while (<>) { |
| 55 | print STDERR; |
| 56 | chop; |
| 57 | s/#.*//; |
| 58 | next if /^\s*$/; |
| 59 | if (/^\S+,(\S+,)*\S+/) { |
| 60 | for (split /,/) { |
| 61 | die "unknown bit \"$_\"" unless defined $bit{$_}; |
| 62 | push(@pos, $_); |
| 63 | } |
| 64 | } elsif (/^(\S+)=(\S+)\s*/) { |
| 65 | die "unknown bit \"$2\"" unless defined $bit{$2}; |
| 66 | die "bit \"$1\" is already defined" if defined $bit{$1}; |
| 67 | $bit{$1} = $bit{$2}; |
| 68 | } elsif (/^echo\s+/) { |
| 69 | print "$'\n"; |
| 70 | } elsif (/^show\s*$/) { |
| 71 | $tdir = &peek($PDDIR); |
| 72 | $tdat = &peek($PDDAT); |
| 73 | for (@pos) { |
| 74 | $v = 1 << $bit{$_}; |
| 75 | print "$_($bit{$_})=", |
| 76 | $tdir & $v ? $tdat & $v ? "1" : "0" : "Z", " "; |
| 77 | } |
| 78 | print "\n"; |
| 79 | } elsif (/^wait\s+([01-]+)\s*$/) { |
| 80 | $m = 0; |
| 81 | $c = 0; |
| 82 | @p = @pos; |
| 83 | $s = $1; |
| 84 | while (length $s) { |
| 85 | die "out of bits" unless @p; |
| 86 | $v = 1 << $bit[shift @p]; |
| 87 | if ($s =~ /^0/) { |
| 88 | $m |= $v; |
| 89 | } elsif ($s =~ /^1/) { |
| 90 | $m |= $v; |
| 91 | $c |= $v; |
| 92 | } |
| 93 | $s = substr($s, 1); |
| 94 | } |
| 95 | # @@@ to do |
| 96 | } elsif (/^sleep\s+(\d+|\d*\.\d*)\s*$/) { |
| 97 | select(undef, undef, undef, $1); |
| 98 | } elsif (/^([-01zZ]+)\s*$/) { |
| 99 | @p = @pos; |
| 100 | ($tdir, $tdat) = ($dir, $dat); |
| 101 | $s = $1; |
| 102 | while (length $s) { |
| 103 | die "out of bits" unless @p; |
| 104 | $v = 1 << $bit{shift @p}; |
| 105 | if ($s =~ /^0/) { |
| 106 | $tdir |= $v; |
| 107 | $tdat &= ~$v; |
| 108 | } elsif ($s =~ /^1/) { |
| 109 | $tdir |= $v; |
| 110 | $tdat |= $v; |
| 111 | } elsif ($s =~ /^[zZ]/) { |
| 112 | $tdir &= ~$v; |
| 113 | } |
| 114 | $s = substr($s, 1); |
| 115 | } |
| 116 | &poke($PDDATS, $tdat & ~$dat); |
| 117 | &poke($PDDATC, ~$tdat & $dat); |
| 118 | &poke($PDDIRS, $tdir & ~$dir); |
| 119 | &poke($PDDIRC, ~$tdir & $dir); |
| 120 | ($dir, $dat) = ($tdir, $tdat); |
| 121 | } else { |
| 122 | die "unrecognized command \"$_\""; |
| 123 | } |
| 124 | } |