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mspdebug
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fet: by default, reset chip on startup.

This commit is contained in:
Daniel Beer 2010-09-02 11:55:12 +12:00
parent d3f50bef75
commit 2ef8f7574b
4 changed files with 20 additions and 1 deletions
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7
fet.c
View File

@ -888,6 +888,13 @@ device_t fet_open(transport_t transport, int proto_flags, int vcc_mv,
if (do_configure(dev) < 0)
goto fail;
/* Reset first, if requested */
if (!(proto_flags & FET_PROTO_NORESET)) {
printc_dbg("Sending initial reset...\n");
if (xfer(dev, C_RESET, NULL, 0, 3, FET_RESET_ALL, 0, 0) < 0)
printc_err("warning: fet: initial reset failed\n");
}
/* set VCC */
if (xfer(dev, C_VCC, NULL, 0, 1, vcc_mv) < 0)
printc_err("warning: fet: set VCC failed\n");

1
fet.h
View File

@ -26,6 +26,7 @@
#define FET_PROTO_SPYBIWIRE 0x01
#define FET_PROTO_RF2500 0x02
#define FET_PROTO_OLIMEX 0x04
#define FET_PROTO_NORESET 0x08
device_t fet_open(transport_t transport, int proto_flags, int vcc_mv,
const char *force_id);

11
main.c
View File

@ -124,6 +124,7 @@ struct cmdline_args {
const char *usb_device;
const char *fet_force_id;
int want_jtag;
int no_reset;
int no_rc;
int vcc_mv;
};
@ -141,6 +142,8 @@ static device_t driver_open_fet(const struct cmdline_args *args,
if (!args->want_jtag)
flags |= FET_PROTO_SPYBIWIRE;
if (args->no_reset)
flags |= FET_PROTO_NORESET;
dev = fet_open(trans, flags, args->vcc_mv, args->fet_force_id);
if (!dev) {
@ -271,6 +274,8 @@ static void usage(const char *progname)
" Set the supply voltage, in millivolts.\n"
" -n\n"
" Do not read ~/.mspdebug on startup.\n"
" -r\n"
" Do not reset the device on startup.\n"
" --help\n"
" Show this help text.\n"
" --fet-list\n"
@ -357,7 +362,7 @@ static int parse_cmdline_args(int argc, char **argv,
{NULL, 0, 0, 0}
};
while ((opt = getopt_long(argc, argv, "d:jv:nU:q",
while ((opt = getopt_long(argc, argv, "d:jv:nU:qr",
longopts, NULL)) >= 0)
switch (opt) {
case 'q':
@ -412,6 +417,10 @@ static int parse_cmdline_args(int argc, char **argv,
args->no_rc = 1;
break;
case 'r':
args->no_reset = 1;
break;
case '?':
printc_err("Try --help for usage information.\n");
return -1;

2
mspdebug.man
View File

@ -47,6 +47,8 @@ Specify a particular USB device to connect to. Without this option,
the first device of the appropriate type is opened.
.IP "\-n"
Do not process the startup file (~/.mspdebug).
.IP "\-r"
Do not reset the device on startup.
.IP "\-\-help"
Display a brief help message and exit.
.IP "\-\-fet\-list"