X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=gpio.pl;h=3a31ade70a43542c731f3a38bcbabf6ebdf902d6;hb=30dc7b93a4aafc9bdaa94daf90d1ff6c09a9ead4;hp=b9e731dbd952c02390590fb44ca564482521e240;hpb=947c3951d9a88d9af71274a25b7192129682c715;p=linux-gpio-pinout diff --git a/gpio.pl b/gpio.pl index b9e731d..3a31ade 100755 --- a/gpio.pl +++ b/gpio.pl @@ -5,18 +5,43 @@ use autodie; use Data::Dump qw(dump); use Getopt::Long; -my $opt_svg = $ENV{SVG} || 0; -my $opt_alt = $ENV{ALT} || 1; +my $opt_svg = 0; +my $opt_alt = 0; +my $opt_invert = 0; +my $opt_vertical = 0; +my $opt_horizontal = 0; +my $opt_edge = 0; +my $opt_middle = 0; +my $opt_zebra = 0; +my $opt_lines = 0; +my $opt_read = ''; +my $opt_pins = ''; +my $opt_color = 0; +my $opt_pinmux = 0; GetOptions( 'svg!' => \$opt_svg, 'alt!' => \$opt_alt, + 'invert!' => \$opt_invert, + 'vertical-flip!' => \$opt_vertical, + 'horizontal-flip!' => \$opt_horizontal, + 'edge-pins!' => \$opt_edge, + 'middle-pins!' => \$opt_middle, + 'zebra!' => \$opt_zebra, + 'lines!' => \$opt_lines, + 'read=s' => \$opt_read, + 'pins=s' => \$opt_pins, + 'color' => \$opt_color, + 'pinmux' => \$opt_pinmux, ); # svg font hints -my $font_w = 1.80; # < 2.54, font is not perfect square +my $font_w = 1.67; # < 2.54, font is not perfect square +my $font_b = 2.10; # font baseline position + +$opt_read .= '/' unless $opt_read =~ m/\/$/; sub slurp { - open(my $fh, '<', shift); + open(my $fh, '<', $opt_read . shift); local $/ = undef; <$fh>; } @@ -27,18 +52,24 @@ my $model = slurp('/proc/device-tree/model'); $model =~ s/\x00$//; # strip kernel NULL warn "# model [$model]"; +OPEN_PINS_AGAIN: +open(DATA, '<', $opt_pins) if $opt_pins; + my @lines; my $line_i = 0; my $include = 0; while() { chomp; - if ( m/^#\s*$model/ ) { - $include = 1; - } elsif ( m/^#\s+/ ) { - $include = 0; - } elsif ( $include ) { - push @{ $pins->{$1} }, $line_i while ( m/\t(P\w\d+)/g ); + if ( m/^#\s(.+)/ ) { + warn "MODEL [$1] == [$model] ?\n"; + if ( $model =~ m/$1/ ) { + $include = 1; + } else { + $include = 0; + } + } elsif ( $include || $opt_pins ) { + push @{ $pins->{$1} }, $line_i while ( m/\t\s*(\w+\d+)/g ); push @lines, $_; @@ -48,38 +79,197 @@ while() { } } +if ( ! $opt_pins && ! $pins ) { + my $glob = $model; + $glob =~ s/^(\w+).*$/$1/; + my @pins = glob "pins/${glob}*"; + warn "# possible pins: ",dump( \@pins ); + $opt_pins = $pins[0]; + goto OPEN_PINS_AGAIN; +} + die "add pin definition for # $model" unless $pins; +#warn "# lines ",dump( \@lines ); warn "# pins ",dump($pins); -open(my $fh, '<', '/sys/kernel/debug/pinctrl/pinctrl-handles'); +my $serial_tty; +foreach ( + glob($opt_read . '/sys/devices/platform/soc*/*.serial/tty/tty*'), # 4.x + glob( '/sys/devices/soc.*/*.uart/tty/tty*') # 3.10 +) { + my @v = split(/\//, $_); + $serial_tty->{ $v[-3] } = $v[-1]; +} +warn "# serial_tty = ",dump($serial_tty); + + +my $pin_function; +my $device; +my $pin; +my $function; + +sub annotate_pin { + my ($pin, $note) = @_; + if ( $pins->{$pin} ) { + foreach my $line ( @{$pins->{$pin}} ) { + my $t = $lines[$line]; + if ( $opt_svg ) { + $t =~ s/$pin/$note/; + } else { + $t =~ s/$pin/$pin $note/ || warn "can't find $pin in [$t]"; + } + $lines[$line] = $t; + warn "# $line: $lines[$line]\n"; + } + } else { + warn "IGNORED: pin $pin function $note\n"; + } +} + +open(my $fh, '<', $opt_read . '/sys/kernel/debug/pinctrl/pinctrl-maps'); while(<$fh>) { chomp; - if ( m/group: (P\w\d+)\s.+function: (\S+)/ ) { - my ($pin, $function) = ($1,$2); - if ( $pins->{$pin} ) { - foreach my $line ( @{$pins->{$pin}} ) { -warn "XXX $pin $line"; - my $t = $lines[$line]; - $t =~ s/$pin/$pin [$function]/ || die "can't find $pin in [$t]"; - $lines[$line] = $t; - warn "# $line: $lines[$line]\n"; + if ( m/^device (\S+)/ ) { + $device = $1; + if ( my $replace = $serial_tty->{$device} ) { + $device = $replace; # replace serial hex with kernel name + } else { + $device =~ s/^[0-9a-f]*\.//; # remove hex address + } + } elsif ( m/^group (\w+\d+)/ ) { + $pin = $1; + + } elsif ( m/^function (\S+)/ ) { + $function = $1; + } elsif ( m/^$/ ) { + if ( $device && $pin && $function ) { + push @{ $pin_function->{$pin} }, "$device $function"; + + annotate_pin $pin, "[$device $function]"; + } else { + warn "missing one of ",dump( $device, $pin, $function ); + } + + $device = undef; + $pin = undef; + $function = undef; + + } +} + +warn "# pin_function = ",dump($pin_function); + + +# insert kernel gpio info +my $linux_gpio_name; +open(my $pins_fh, '<', (glob "/sys/kernel/debug/pinctrl/*/pins")[0]); +while(<$pins_fh>) { + if ( m/^pin (\d+) \(([^\)]+)\)/ ) { + $linux_gpio_name->{$1} = $2; + } +} +warn "# linux_gpio_name = ",dump( $linux_gpio_name ); + + +my $gpio_debug; +open(my $gpio_fh, '<', '/sys/kernel/debug/gpio'); +while(<$gpio_fh>) { + if (m/|/ ) { + s/^\s+//; + s/\s+$//; + my @l = split(/\s*[\(\|\)]\s*/, $_); + warn "XXX ", dump( \@l ); + if ( $l[0] =~ m/gpio-(\d+)/ ) { + if ( my $pin = $linux_gpio_name->{$1} ) { + $gpio_debug->{ $pin } = $l[2]; + $l[3] =~ s/\s\s+/ /g; + annotate_pin $pin, qq{"$l[2]" $l[3]}; + } else { + warn "FIXME can't find $1 in ",dump( $linux_gpio_name ); + } + } + } + +} +warn "# gpio_debug = ",dump( $gpio_debug ); + + + +my $have_sunxi_pio = `which sunxi-pio`; +if ( $have_sunxi_pio ) { + +open(my $pio, '-|', 'sunxi-pio -m print'); +while(<$pio>) { + chomp; + s/[<>]+/ /g; + my @p = split(/\s+/,$_); + warn "# pio ",dump(\@p); + # annotate input 0 and output 1 pins +# annotate_pin $p[0], ( $p[1] ? 'O' : 'I' ) . ':' . $p[4] if $p[1] == 0 || $p[1] == 1; + my $pin = shift @p; + annotate_pin $pin, join(' ',@p) if ! $opt_svg; +} +close($pio); + +} # have_sunxi_pio + + +my $pinmux; +my $pinmux_path = (glob("/sys/kernel/debug/pinctrl/*/pinmux-functions"))[0]; +if ( $opt_pinmux && -e $pinmux_path ) { + open(my $mux, '<', $pinmux_path); + while(<$mux>) { + chomp; + if ( m/function: (\w+), groups = \[ (.*) \]/ ) { + my ( $func, $pins ) = ( $1, $2 ); + foreach ( split(/\s+/,$pins) ) { + push @{ $pinmux->{$_} }, $func; } } else { - warn "IGNORED: pin $pin function $function\n"; + warn "IGNORED [$pinmux_path] [$_]\n"; + } + } + + foreach my $pin ( keys %$pinmux ) { + if ( exists $pins->{$pin} ) { + annotate_pin $pin, '{' . join(' ', @{$pinmux->{$pin}}) . '}'; + } else { + warn "IGNORED mux on $pin\n"; } } -}; + + warn "# pinmux = ",dump( $pinmux ); +} + + my @max_len = ( 0,0,0,0 ); my @line_parts; + +shift(@lines) while ( ! $lines[0] ); # remove empty at beginning +pop(@lines) while ( ! $lines[-1] ); # remove empty at end + foreach my $line (@lines) { if ( $line =~ m/^#/ ) { - push @line_parts, [ $line ] unless $opt_svg; + push @line_parts, [ $line ] unless $opt_svg && $line =~ m/^###+/; # SVG doesn't display 3rd level comments next; } - $line =~ s/\([^\)]+\)//g && warn "NUKED ALT"; + $line =~ s/\[(\w+)\s+(\w+)\] \[\1\s+(\w+)\]/[$1 $2 $3]/g; # compress kernel annotation with same prefix + $line =~ s/(\[(?:uart\d*|serial|tty\w+))([^\t]*\]\s[^\t]*(rx|tx)d?)/$1 $3$2/gi; + $line =~ s/(\[i2c)([^\t]*\]\s[^\t]*(scl?k?|sda))/$1 $3$2/gi; + $line =~ s/(\[spi)([^\t]*\]\s[^\t]*(miso|mosi|s?clk|c[se]\d*))/$1 $3$2/gi; + $line =~ s/\s*\([^\)]+\)//g if ! $opt_alt; + + # shorten duplicate kernel device/function + $line =~ s/\[serial (\w+) (uart\d+)\]/[$2 $1]/g; + $line =~ s/\[(\w+) (\w+) \1(\d+)\]/[$1$3 $2]/g; + + $line =~ s/\[(\w+)\s+([^\]]+)\s+\1\]/[$1 $2]/g; # duplicate + my @v = split(/\s*\t+\s*/,$line,4); + @v = ( $v[2], $v[3], $v[0], $v[1] ) if $opt_horizontal && $v[2]; + push @line_parts, [ @v ]; foreach my $i ( 0 .. 3 ) { next unless exists $v[$i]; @@ -94,10 +284,8 @@ warn "# line_parts = ",dump( \@line_parts ); #print "$_\n" foreach @lines; -my $fmt = "%$max_len[0]s %-$max_len[1]s %$max_len[2]s %-$max_len[3]s\n"; - -my $x = 30.00; # mm -my $y = 30.00; # mm +my $x = 20.00; # mm +my $y = 20.00; # mm if ( $opt_svg ) { print qq{ @@ -115,79 +303,240 @@ if ( $opt_svg ) { width="210mm"> - - - - - - - + }; # svg, insert rest of rect + print qq{} if $opt_invert; } my @later; -my @pin_cols = ( '#ffffff', '#000000' ); +my $cols = { # foreground background + txt => [ '#000000', '#ffffff' ], + pins => [ '#ffffff', '#ff00ff' ], + vcc => [ '#ff0000', '#ffff00' ], + gnd => [ '#000000', '#00ffff' ], + i2c => [ '#008800', '#ffcccc' ], + serial=>[ '#000088', '#ccffcc' ], + spi => [ '#880000', '#ccccff' ], +}; + +sub swap_cols { + my $swap = shift; + die "$swap not found in ",dump($cols) unless $cols->{$swap}; + my ( $c1, $c2 ) = @{ $cols->{$swap} }; + $cols->{$swap} = [ $c2, $c1 ]; +} + +swap_cols 'txt' if $opt_invert; + sub svg_style { my ($name,$x,$y,$col) = @_; - $y -= 2.30; # shift box overlay to right vertical position based on font baseline + + return '' unless $opt_color; + + $y -= $font_b; # shift box overlay to right vertical position based on font baseline sub rect { my ($x,$y,$col,$fill) = @_; - print qq{}; + print qq{\n}; } - if ( $col == 0 || $col == 2 ) { # pins - my ( $c1, $c2 ) = @pin_cols; - rect $x,$y,$col,$c1; - return qq{ style="fill:$c2"}; + if ( $name =~ m/^(\d+)$/ ) { # pins + my $pin = $1; + my ( $fg, $bg ) = @{ $cols->{pins} }; + if ( $pin == 1 ) { + my $w = $max_len[$col]*$font_w - 0.1; + my $cx = $x + $w; + my $cy = $y + 2.54; + #print qq{}; + #print qq{}; + print qq{}; + my ( $fg, $bg ) = @{ $cols->{txt} }; + print qq{}; + } else { + rect $x,$y,$col,$fg; + } + return qq{ style="fill:$bg"}; } - if ( $name =~ m/(VCC|3V3)/i ) { - rect $x,$y,$col,'#000000'; - return qq{ style="fill:#ffcc88"}; - } elsif ( $name =~ m/(G(ND|Round)|VSS)/i ) { - rect $x,$y,$col,'#000000'; - return qq{ style="fill:#ff8800"}; + if ( $name =~ m/(VCC|3V3|3.3V|5v)/i ) { + my ($fg,$bg) = @{ $cols->{vcc} }; + rect $x,$y,$col,$bg; + return qq{ style="fill:$fg"}; + } elsif ( $name =~ m/(G(ND|Round)|VSS|0v)/i ) { + my ($fg,$bg) = @{ $cols->{gnd} }; + rect $x,$y,$col,$bg; + return qq{ style="fill:$fg"}; + } elsif ( $name =~ m/\[(\w+)/ ) { # kernel + my $dev = $1; + my ($fg,$bg) = @{ $cols->{txt} }; + $dev = 'serial' if $dev =~ m/^tty/; + ($fg,$bg) = @{ $cols->{$dev} } if exists $cols->{$dev}; + rect $x,$y,$col,$bg; + return qq{ style="fill:$fg"}; } else { + my ( $fg, $bg ) = @{ $cols->{txt} }; + rect $x,$y,$col,$bg; + #return qq{ style="fill:$fg"}; return ''; } } my $alt_col = 0; -foreach my $line ( @line_parts ) { +my @cols_order = ( 0,1,2,3 ); +my @cols_align = ( '','-','','-' ); # sprintf prefix + +my @cols_shuffle = @cols_order; + +if ( $opt_edge ) { + # pins outside on the right + @cols_shuffle = ( 0,1,3,2 ) if $opt_edge; + @cols_align = ( '-','-','','' ); +} elsif ( $opt_middle ) { + # pins in middle + @cols_shuffle = ( 1,0,2,3 ); + @cols_align = ( '','','-','-' ); +} + +sub cols_shuffle { + my ( $what, $order ) = @_; + my $new = []; + foreach my $i ( 0 .. $#$what ) { + $new->[$i] = $what->[ $order->[$i] ]; + } + warn "# cols_shuffle what=",dump($what)," order=",dump($order)," new=",dump($new); + return @$new; +} + +@cols_order = cols_shuffle( \@cols_order, \@cols_shuffle ); +@max_len = cols_shuffle( \@max_len, \@cols_shuffle ); + +warn "# cols_order = ",dump( \@cols_order ); +warn "# cols_align = ",dump( \@cols_align ); + +my $fmt = "%$cols_align[0]$max_len[0]s %$cols_align[1]$max_len[1]s %$cols_align[2]$max_len[2]s %$cols_align[3]$max_len[3]s\n"; + - my $pin_color = $alt_col ? '#cccccc' : '#444444'; - $alt_col = ! $alt_col; +# cut marks +my ($fg,$bg) = @{ $cols->{txt} }; +my $line_fmt = qq{\n}; + +my @cut_marks; +sub cut_mark { + my ($x,$y) = @_; + return unless $opt_svg; + push @cut_marks, sprintf($line_fmt, $x-5, $y-$font_b, $x+5, $y-$font_b); + push @cut_marks, sprintf($line_fmt, $x, $y-$font_b-5, $x, $y-$font_b+5); +} +#cut_mark $x, $y; +my $max_x = $x; +$max_x += $max_len[$_] * $font_w foreach ( 0 .. 3 ); +#cut_mark $max_x, $y; + +sub line { + my ($x,$y,$max_x) = @_; + push @cut_marks, sprintf($line_fmt, $x, $y-$font_b, $max_x, $y-$font_b); +} + + +my $last_cut_mark = 0; + +sub connector { + my ( $from, $to ) = @_; + warn "# connector $from - $to ",dump( $line_parts[$from], $line_parts[$to] ); + if ( $opt_vertical ) { + foreach my $i ( 0 .. int(($to-$from)/2) ) { + my $t = $line_parts[$from + $i]; + $line_parts[$from + $i] = $line_parts[$to - $i]; + $line_parts[$to - $i] = $t; + } + } +} + +my $from; +my $to; +foreach my $i ( 0 .. $#line_parts ) { + next if $line_parts[$i]->[0] =~ m/^###/; + if (exists $line_parts[$i]->[1]) { + if (! $from) { + $from = $i; + } else { + $to = $i; + } + } elsif ($from && $to) { + connector $from => $to; + $from = $to = undef; + } +} +connector $from => $to if $from && $to; + +foreach my $i ( 0 .. $#line_parts ) { +# $i = $#line_parts - $i if $opt_vertical; + my $line = $line_parts[$i]; if ( $opt_svg ) { - my $tspan = qq{}; + # not a minimal two column pin description + if ( ! exists $line->[1] ) { + $last_cut_mark = 1 if $line->[0] =~ m/^##/; # skip comments + + # before first empty line + if ( $last_cut_mark == 0 ) { + cut_mark $x, $y; + cut_mark $max_x, $y; + $last_cut_mark = 1; + line $x, $y, $max_x if $opt_lines; + $y += 15; # make spacing between pinouts + } + } elsif ( $last_cut_mark ) { + # first full line + cut_mark $x, $y; + cut_mark $max_x, $y; + $last_cut_mark = 0; + } else { + #warn "CUTMARK no magic"; + } + + line $x, $y, $max_x if $opt_lines && exists $line->[1]; + + my ($fg,$bg) = @{ $cols->{txt} }; + my $tspan = qq{\n}; my $x_pos = $x; - foreach my $i ( 0 .. $#$line ) { - $tspan .= qq{[$i],$x_pos,$y,$i).sprintf(qq{>%-$max_len[$i]s}, $line->[$i]); - $x_pos += $max_len[$i] * $font_w; + foreach my $i ( 0 .. $#cols_order ) { + my $order = $cols_order[$i]; + next unless $line->[$order]; + + my $text_anchor = 'middle'; + my $len = $max_len[$i]; + my $x2 = $x_pos + ( $len * $font_w ) / 2; + # is this comment? + if ( $#$line == 0 && $line->[$order] =~ s/^#+s*// ) { + # comment, center over whole width + $len = length($line->[$order]); + $x2 = $x + (($max_x-$x)/2); # middle + $tspan .= qq{\t%' . $cols_align[$i] . $len . 's', $line->[0]); + } else { + $tspan .= qq{\t[$order],$x_pos,$y,$i).sprintf( '>%' . $cols_align[$i] . $len . 's', $line->[$order]); + } + $x_pos += $len * $font_w; } - $tspan .= qq{}; + $tspan .= qq{\n\n}; push @later,sprintf $tspan, @$line; $y += 2.54; - # swap pin colors - my ( $c1, $c2 ) = @pin_cols; - @pin_cols = ( $c2, $c1 ); + # swap pin colors for line stripe + if ( $opt_zebra ) { + swap_cols $_ foreach qw( pins txt ); + } else { + swap_cols 'pins'; + } } else { @@ -195,120 +544,31 @@ foreach my $line ( @line_parts ) { print $line->[0], "\n"; } else { push @$line, '' while ($#$line < 3); # fill-in single row header - printf $fmt, @$line; + printf $fmt, map { $line->[$_] } @cols_order; } } } if ( $opt_svg ) { + cut_mark $x,$y; + cut_mark $max_x,$y; + line $x, $y, $max_x if $opt_lines; + print qq{ }; #svg - print @later, qq{ - - - - }; #svg + print @later, qq{\n}, @cut_marks, qq{\n}; } +# you can add pin definitions below, but they should go into pins/ __DATA__ -# Cubietech Cubieboard2 -## U14 (Next to SATA connector) -### SPI0 -48 PI13 (SPI0-MISO/UART6-RX/EINT25) 47 PI11 (SPI0-CLK/UART5-RX/EINT23) -46 PI12 (SPI0-MOSI/UART6-TX/EINT24) 45 PI10 (SPI0-CS/UART5-TX/EINT22) -### LCD -44 3.3V (nc in 2012-08-08) 43 VCC-5V -42 Ground 41 SPDIF -40 PB10 (LCD0-SCK/LCD-PIO1) 39 PB11 (LCD0-SDA/LCD-PIO2) -38 Ground 37 PH7 (LCD0-BL-EN/LCD-PIO0/UART5-RX/EINT7) -36 XN_TP (TP-X2) 35 YN_TP (TP-Y2) -34 XP_TP (TP-X1) 33 YP_TP (TP-Y1) -32 PD25 (LCDDE) 31 PB2 (PWM0) -30 PD26 (LCDHSYNC)-VGA-HSYNC 29 PD24 (LCDCLK) -28 PD23 (LCDD23) 27 PD27 (LCDVSYNC)-VGA-VSYNC -26 PD21 (LCDD21) 25 PD22 (LCDD22) -24 PD19 (LCDD19/LVDS1N3) 23 PD20 (LCDD20) -22 PD17 (LCDD17/LVDS1NC) 21 PD18 (LCDD18/LVDS1P3) -20 Ground 19 PD16 (LCDD16/LVDS1PC) -18 PD14 (LCDD14/LVDS1P2) 17 PD15 (LCDD15/LVDS1N2) -16 PD12 (LCDD12/LVDS1P1) 15 PD13 (LCDD13/LVDS1N1) -14 PD10 (LCDD10/LVDS1P0) 13 PD11 (LCDD11/LVDS1N0) -12 PD8 (LCDD8/LVDS0P3) 11 PD9 (LCDD9/LVDS0N3) -10 PD7 (LCDD7/LVDS0NC) 9 Ground -8 PD5 (LCDD5/LVDS0N2) 7 PD6 (LCDD6/LVDS0PC) -6 PD3 (LCDD3/LVDS0N1) 5 PD4 (LCDD4/LNVS0P2) -4 PD1 (LCDD1/LVDS0N0) 3 PD2 (LCDD2/LVDS0P1) -2 Ground 1 PD0 (LCDD0/LVDSP0) - -# Cubietech Cubieboard2 -## U15 (Between Ethernet port and USB ports) -### CSI1/TS -1 VCC-5V 2 PH15 (CSI1-PWR/EINT15) -3 CSI1-IO-2V8 4 PH14 (CSI1-RST#/EINT14) -5 PG0 (CSI1-PCLK/SDC1-CMD) 6 PB18 (TWI1-SCK) -7 PB19 (TWI1-SDA) 8 PG3 (CSI1-VSYNC/SDC1-D1) -9 PG2 (CSI1-HSYNC/SDC1-D0) 10 PG1 (CSI1-MCLK/SDC1-CLK) -11 PG4 (CSI1-D0/SDC1-D2) 12 PG5 (CSI1-D1/SDC1-D3) -13 PG6 (CSI1-D2/UART3-TX) 14 PG7 (CSI1-D3/UART3-RX) -15 PG8 (CSI1-D4/UART3-RTS) 16 PG9 (CSI1-D5/UART3-CTS) -17 PG10 (CSI1-D6/UART4-TX) 18 PG11 (CSI1-D7/UART4-RX) -19 Ground 20 Ground -### Analog SDIO3 -21 FMINL 22 PI4 (SDC3-CMD) -23 FMINR 24 PI5 (SDC3-CLK) -25 Ground 26 PI6 (SDC3-D0) -27 VGA-R 28 PI7 (SDC3-D1) -29 VGA-G 30 PI8 (SDC3-D2) -31 VGA-B 32 PI9 (SDC3-D3) -### CSI0/TS -33 LCD1-VSYNC 34 PE4 (CSI0-D0) -35 LCD1-HSYNC 36 PE5 (CSI0-D1) -37 Ground 38 PE6 (CSI0-D2) -39 AVCC 40 PE7 (CSI0-D3) -41 LRADC0 42 PE8 (CSI0-D4) -43 CVBS 44 PE9 (CSI0-D5) -45 HPL 46 PE10 (CSI0-D6) -47 HPR 48 PE11 (CSI0-D7) - -## DEBUG serial (middle of board) -4 PB22 (UART0-TX) -3 PB23 (UART0-RX) -2 VCC-3V3 -1 GND - - -# Lamobo R1 -## CON3 rpi DIP26-254 -1 3.3v 2 5v -3 PB20 SDA.1 4 5V -5 PB21 SCL.1 6 0v -7 PI3 PWM1 8 PH0 UART3_TX -9 0v 10 PH1 UART3_RX -11 PI19 UART2_RX 12 PH2 -13 PI18 UART2_TX 14 0v -15 PI17 UART2_CTS 16 PH21 CAN_RX -17 3.3v 18 PH20 CAN_TX -19 PI12 SPI0_MOSI 20 0v -21 PI13 SPI0_MISO 22 PI16 UART2_RTS -23 PI11 SPI0_SCLK 24 PI10 SPI0_CS0 -25 0v 26 PI14 SPI0_CS1 - -## J13 DIP2-254 -2 PB22 UART0_TX -1 PB23 UART0_RX - -## J12 DIP8-254 -8 GND 7 GND -6 PI20 UART7_TX 5 PH3 -4 PI21 UART7_RX 3 PH5 -2 3V3 1 SATA-5V +