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mspdebug
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Extracted functions from main.

This commit is contained in:
Daniel Beer 2010-04-29 15:56:47 +12:00
parent ab0580b99e
commit 1f98eb4339
1 changed files with 79 additions and 46 deletions
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125
main.c
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@ -83,58 +83,50 @@ static void process_rc_file(cproc_t cp)
#define MODE_UIF_BSL 0x04
#define MODE_SIM 0x08
int main(int argc, char **argv)
struct cmdline_args {
const char *uif_device;
const char *bsl_device;
int mode;
int want_jtag;
int no_rc;
int vcc_mv;
};
static int parse_cmdline_args(int argc, char **argv,
struct cmdline_args *args)
{
const struct fet_transport *trans;
const char *uif_device = NULL;
const char *bsl_device = NULL;
const struct device *msp430_dev = NULL;
cproc_t cp;
int opt;
int no_rc = 0;
int ret = 0;
int flags = 0;
int want_jtag = 0;
int vcc_mv = 3000;
int mode = 0;
puts(
"MSPDebug version 0.6 - debugging tool for MSP430 MCUs\n"
"Copyright (C) 2009, 2010 Daniel Beer <daniel@tortek.co.nz>\n"
"This is free software; see the source for copying conditions. There is NO\n"
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
/* Parse arguments */
while ((opt = getopt(argc, argv, "u:jv:B:sR?n")) >= 0)
switch (opt) {
case 'R':
mode |= MODE_RF2500;
args->mode |= MODE_RF2500;
break;
case 'u':
uif_device = optarg;
mode |= MODE_UIF;
args->uif_device = optarg;
args->mode |= MODE_UIF;
break;
case 'v':
vcc_mv = atoi(optarg);
args->vcc_mv = atoi(optarg);
break;
case 'j':
want_jtag = 1;
args->want_jtag = 1;
break;
case 'B':
bsl_device = optarg;
mode |= MODE_UIF_BSL;
args->bsl_device = optarg;
args->mode |= MODE_UIF_BSL;
break;
case 's':
mode |= MODE_SIM;
args->mode |= MODE_SIM;
break;
case 'n':
no_rc = 1;
args->no_rc = 1;
break;
case '?':
@ -148,45 +140,85 @@ int main(int argc, char **argv)
}
/* Check for incompatible arguments */
if (mode & (mode - 1)) {
if (args->mode & (args->mode - 1)) {
fprintf(stderr, "Multiple incompatible options specified.\n"
"Try -? for help.\n");
return -1;
}
if (!mode) {
if (!args->mode) {
fprintf(stderr, "You need to specify an operating mode.\n"
"Try -? for help.\n");
return -1;
}
if (stab_init() < 0)
return -1;
return 0;
}
const struct device *setup_device(const struct cmdline_args *args)
{
const struct device *msp430_dev = NULL;
const struct fet_transport *trans = NULL;
/* Open a device */
if (mode == MODE_SIM) {
if (args->mode == MODE_SIM) {
msp430_dev = sim_open();
} else if (mode == MODE_UIF_BSL) {
msp430_dev = bsl_open(bsl_device);
} else if (mode == MODE_RF2500 || mode == MODE_UIF) {
} else if (args->mode == MODE_UIF_BSL) {
msp430_dev = bsl_open(args->bsl_device);
} else if (args->mode == MODE_RF2500 || args->mode == MODE_UIF) {
int flags = 0;
/* Open the appropriate transport */
if (mode == MODE_UIF) {
trans = uif_open(uif_device);
if (args->mode == MODE_UIF) {
trans = uif_open(args->uif_device);
} else {
trans = rf2500_open();
flags |= FET_PROTO_RF2500;
}
if (!trans)
return -1;
return NULL;
/* Then initialize the device */
if (!want_jtag)
if (!args->want_jtag)
flags |= FET_PROTO_SPYBIWIRE;
msp430_dev = fet_open(trans, flags, vcc_mv);
msp430_dev = fet_open(trans, flags, args->vcc_mv);
}
if (!msp430_dev) {
if (trans)
trans->close();
return NULL;
}
device_set(msp430_dev);
return msp430_dev;
}
int main(int argc, char **argv)
{
const struct device *msp430_dev;
struct cmdline_args args = {0};
cproc_t cp;
int ret = 0;
puts(
"MSPDebug version 0.6 - debugging tool for MSP430 MCUs\n"
"Copyright (C) 2009, 2010 Daniel Beer <daniel@tortek.co.nz>\n"
"This is free software; see the source for copying conditions. There is NO\n"
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
args.vcc_mv = 3000;
if (parse_cmdline_args(argc, argv, &args) < 0)
return -1;
ctrlc_init();
if (stab_init() < 0)
return -1;
msp430_dev = setup_device(&args);
if (!msp430_dev) {
stab_exit();
return -1;
@ -199,14 +231,14 @@ int main(int argc, char **argv)
gdb_register(cp) < 0 ||
rtools_register(cp) < 0) {
perror("couldn't set up command parser");
if (cp)
cproc_destroy(cp);
msp430_dev->close();
stab_exit();
return -1;
}
/* Initialise parsing */
device_set(msp430_dev);
ctrlc_init();
if (!no_rc)
if (!args.no_rc)
process_rc_file(cp);
/* Process commands */
@ -221,6 +253,7 @@ int main(int argc, char **argv)
cproc_reader_loop(cp);
}
cproc_destroy(cp);
msp430_dev->close();
stab_exit();