int parport_register_commands(struct command_context_s *cmd_ctx)
{
register_command(cmd_ctx, NULL, "parport_port", parport_handle_parport_port_command,
- COMMAND_CONFIG, NULL);
+ COMMAND_CONFIG, "either the address of the I/O port or the number of the \91/dev/parport\92 device");
register_command(cmd_ctx, NULL, "parport_cable", parport_handle_parport_cable_command,
- COMMAND_CONFIG, NULL);
+ COMMAND_CONFIG, "the layout of the parallel port cable used to connect to the target");
register_command(cmd_ctx, NULL, "parport_write_on_exit", parport_handle_write_on_exit_command,
- COMMAND_CONFIG, NULL);
+ COMMAND_CONFIG, "configure the parallel driver to write a known value to the parallel interface");
return ERROR_OK;
}