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Simplify and improve amt_jtagaccel_handle_parport_port_command: 

- Show the port number to the user when asking for it or setting it.
- Print an error if the amt_jtagaccel_port has already been set.
- Use parse_u16 helper to ensure amt_jtagaccel_port string parses correctly.


git-svn-id: svn://svn.berlios.de/openocd/trunk@2210 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
zwelch 2009-06-12 01:40:17 +00:00
parent ae28b96ab9
commit f218f36df5
1 changed files with 18 additions and 6 deletions
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24
src/jtag/amt_jtagaccel.c
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@ -526,14 +526,26 @@ static int amt_jtagaccel_quit(void)
return ERROR_OK;
}
static int amt_jtagaccel_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
static int amt_jtagaccel_handle_parport_port_command(
struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
if (argc == 0)
return ERROR_OK;
if (argc == 1)
{
/* only if the port wasn't overwritten by cmdline */
if (amt_jtagaccel_port == 0)
{
int retval = parse_u16(args[0], &amt_jtagaccel_port);
if (ERROR_OK != retval)
return retval;
}
else
{
LOG_ERROR("The parport port was already configured!");
return ERROR_FAIL;
}
}
/* only if the port wasn't overwritten by cmdline */
if (amt_jtagaccel_port == 0)
amt_jtagaccel_port = strtoul(args[0], NULL, 0);
command_print(cmd_ctx, "parport port = %u", amt_jtagaccel_port);
return ERROR_OK;
}