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bin/avr-updi  view on Meta::CPAN

      $addr += length $page;
      printf STDERR "\rVerified %d (%.2f%%)", $addr, 100 * $addr / $size;
   }
   print STDERR "\n";

   $RESET_REQUIRED++;

   print STDERR "Done\n";
}

sub _print_decoded_fields
{
   my ( $reg, @fields ) = @_;

   while( @fields ) {
      my $name = shift @fields;
      my $mask = shift @fields;
      my $val = $reg & $mask;

      # shift down
      $mask >>= 1, $val >>= 1 while !( $mask & 1 );

bin/avr-updi  view on Meta::CPAN

}

# Debugging; undocumented
sub run_show_updi_regs
{
   make_updi;

   my @regs = map { $updi->ldcs( $_ )->get } 0 .. 0x0C;

   printf "UPDI.STATUSA        = %02X", $regs[0];
   _print_decoded_fields $regs[0], UPDIREV => 0xF0;
   printf "     STATUSB        = %02X", $regs[1];
   _print_decoded_fields $regs[1], PSIG => 0x0F;
   printf "     CTRLA          = %02X", $regs[2];
   _print_decoded_fields $regs[2], IBDLY => (1<<7), PARD => (1<<5), DTD => (1<<4), RSD => (1<<3), GTVAL => 0x07;
   printf "     CTRLB          = %02X", $regs[3];
   _print_decoded_fields $regs[3], NACKDIS => (1<<4), CCDETDIS => (1<<3), UPDIDIS => (1<<2);

   # [4] to [6] reserved
   #
   printf "     ASI_KEY_STATUS = %02X", $regs[7];
   _print_decoded_fields $regs[7], UROWWRITE => (1<<5), NVMPROG => (1<<4), CHIPERASE => (1<<3);
   printf "     ASI_RESET_REQ  = %02X\n", $regs[8];

   printf "     ASI_CTRLA      = %02X", $regs[9];
   _print_decoded_fields $regs[9], UPDICLKDIV => 0x03;
   printf "     ASI_SYS_CTRLA  = %02X", $regs[10];
   _print_decoded_fields $regs[10], UROWDONE => (1<<1), CLKREQ => (1<<0);
   printf "     ASI_SYS_STATUS = %02X", $regs[11];
   _print_decoded_fields $regs[11], ERASE_FAILED => (1<<6), SYSRST => (1<<5), INSLEEP => (1<<4),
      NVMPROG => (1<<3), UROWPROG => (1<<2), LOCKSTATUS => (1<<0);
   printf "     ASI_CRC_STATUS = %02X", $regs[12];
   _print_decoded_fields $regs[12], CRC_STATUS => 0x07;
}

=head2 reset

Sends a reset request.

   $ avr-updi reset

Note that this command does not need the C<--part> to be specified.