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Added support for Olimex MSP430-JTAG-TINY.

This commit is contained in:
Daniel Beer 2010-06-15 14:53:38 +12:00
parent ccc5df8fd9
commit cf4ec417ff
7 changed files with 69 additions and 26 deletions
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4
AUTHORS
View File

@ -11,3 +11,7 @@ Robert Kavaler <kavaler@diva.com>:
Hans Nieuwenhuis <vzzbx@xs4all.nl>:
* Support for MSP430F2132.
Peter Jansen <pwjansen@yahoo.com>:
* Support for MSP430F169.
* Testing and analysis for Olimex MSP430-JTAG-TINY.

43
fet.c
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@ -38,7 +38,7 @@ struct fet_device {
struct device base;
transport_t transport;
int is_rf2500;
int proto_flags;
int version;
int have_breakpoint;
@ -314,15 +314,22 @@ too_short:
return -1;
}
/* Receive a packet from the FET. The usual format is:
* <length (2 bytes)> <data> <checksum>
*
* The length is that of the data + checksum. Olimex JTAG adapters follow
* all packets with a trailing 0x7e byte, which must be discarded.
*/
static int recv_packet(struct fet_device *dev)
{
int pkt_extra = (dev->proto_flags & FET_PROTO_OLIMEX) ? 3 : 2;
int plen = LE_WORD(dev->fet_buf, 0);
/* If there's a packet still here from last time, get rid of it */
if (dev->fet_len >= plen + 2) {
memmove(dev->fet_buf, dev->fet_buf + plen + 2,
dev->fet_len - plen - 2);
dev->fet_len -= plen + 2;
if (dev->fet_len >= plen + pkt_extra) {
memmove(dev->fet_buf, dev->fet_buf + plen + pkt_extra,
dev->fet_len - plen - pkt_extra);
dev->fet_len -= plen + pkt_extra;
}
/* Keep adding data to the buffer until we have a complete packet */
@ -330,7 +337,7 @@ static int recv_packet(struct fet_device *dev)
int len;
plen = LE_WORD(dev->fet_buf, 0);
if (dev->fet_len >= plen + 2)
if (dev->fet_len >= plen + pkt_extra)
return parse_packet(dev, plen);
len = dev->transport->recv(dev->transport,
@ -405,7 +412,9 @@ static int send_command(struct fet_device *dev, int command_code,
/* Copy into buf, escaping special characters and adding
* delimeters.
*/
if (!(dev->proto_flags & FET_PROTO_OLIMEX))
buf[i++] = 0x7e;
for (j = 0; j < len; j++) {
char c = datapkt[j];
@ -438,7 +447,7 @@ static int xfer(struct fet_device *dev,
params[i] = va_arg(ap, unsigned int);
va_end(ap);
if (data && dev->is_rf2500) {
if (data && (dev->proto_flags & FET_PROTO_RF2500)) {
assert (nparams + 1 <= MAX_PARAMS);
params[nparams++] = datalen;
@ -539,6 +548,9 @@ static int identify_new(struct fet_device *dev, const char *force_id)
static int do_identify(struct fet_device *dev, const char *force_id)
{
if (dev->proto_flags & FET_PROTO_OLIMEX)
return identify_new(dev, force_id);
if (dev->version < 20300000)
return identify_old(dev);
@ -775,9 +787,9 @@ static int fet_breakpoint(device_t dev_base, int enabled, uint16_t addr)
return 0;
}
static int do_configure(struct fet_device *dev, int proto_flags)
static int do_configure(struct fet_device *dev)
{
if (proto_flags & FET_PROTO_SPYBIWIRE) {
if (dev->proto_flags & FET_PROTO_SPYBIWIRE) {
if (!xfer(dev, C_CONFIGURE, NULL, 0,
2, FET_CONFIG_PROTOCOL, 1)) {
printf("Configured for Spy-Bi-Wire\n");
@ -827,11 +839,20 @@ device_t fet_open(transport_t transport, int proto_flags, int vcc_mv,
dev->base.poll = fet_poll;
dev->transport = transport;
dev->is_rf2500 = proto_flags & FET_PROTO_RF2500;
dev->proto_flags = proto_flags;
dev->have_breakpoint = 0;
dev->fet_len = 0;
if (proto_flags & FET_PROTO_OLIMEX) {
printf("Resetting Olimex command processor...\n");
transport->send(dev->transport, (const uint8_t *)"\x7e", 1);
usleep(5000);
transport->send(dev->transport, (const uint8_t *)"\x7e", 1);
usleep(5000);
}
printf("Initializing FET...\n");
if (xfer(dev, C_INITIALIZE, NULL, 0, 0) < 0) {
fprintf(stderr, "fet: open failed\n");
goto fail;
@ -845,7 +866,7 @@ device_t fet_open(transport_t transport, int proto_flags, int vcc_mv,
goto fail;
}
if (do_configure(dev, proto_flags) < 0)
if (do_configure(dev) < 0)
goto fail;
/* set VCC */

1
fet.h
View File

@ -25,6 +25,7 @@
/* MSP430 FET protocol implementation. */
#define FET_PROTO_SPYBIWIRE 0x01
#define FET_PROTO_RF2500 0x02
#define FET_PROTO_OLIMEX 0x04
device_t fet_open(transport_t transport, int proto_flags, int vcc_mv,
const char *force_id);

33
main.c
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@ -122,13 +122,16 @@ static void usage(const char *progname)
fprintf(stderr,
"Usage: %s [options] -R [-v voltage] [command ...]\n"
" %s [options] -u <device> [-j] [-v voltage] [command ...]\n"
" %s [options] -O <device> [-j] [-v voltage] [command ...]\n"
" %s [options] -B <device> [command ...]\n"
" %s [options] -s [command ...]\n"
"\n"
" -R\n"
" Open the first available RF2500 device on the USB bus.\n"
" -u device\n"
" Open the given tty device (MSP430 UIF compatible devices).\n"
" Open the given tty device (FET430UIF compatible devices).\n"
" -O device\n"
" Open the given tty device (Olimex MSP430-JTAG-TINY).\n"
" -j\n"
" Use JTAG, rather than Spy-Bi-Wire (UIF devices only).\n"
" -v voltage\n"
@ -150,7 +153,7 @@ static void usage(const char *progname)
"\n"
"If commands are given, they will be executed. Otherwise, an interactive\n"
"command reader is started.\n",
progname, progname, progname, progname);
progname, progname, progname, progname, progname);
}
static void process_rc_file(cproc_t cp)
@ -170,10 +173,10 @@ static void process_rc_file(cproc_t cp)
#define MODE_UIF 0x02
#define MODE_UIF_BSL 0x04
#define MODE_SIM 0x08
#define MODE_OLIMEX 0x10
struct cmdline_args {
const char *uif_device;
const char *bsl_device;
const char *devpath;
const char *fet_force_id;
int mode;
int want_jtag;
@ -226,9 +229,14 @@ static int parse_cmdline_args(int argc, char **argv,
{NULL, 0, 0, 0}
};
while ((opt = getopt_long(argc, argv, "u:jv:B:sR?n",
while ((opt = getopt_long(argc, argv, "u:jv:B:O:sR?n",
longopts, NULL)) >= 0)
switch (opt) {
case 'O':
args->devpath = optarg;
args->mode |= MODE_OLIMEX;
break;
case 'L':
exit(list_devices());
@ -245,7 +253,7 @@ static int parse_cmdline_args(int argc, char **argv,
break;
case 'u':
args->uif_device = optarg;
args->devpath = optarg;
args->mode |= MODE_UIF;
break;
@ -258,7 +266,7 @@ static int parse_cmdline_args(int argc, char **argv,
break;
case 'B':
args->bsl_device = optarg;
args->devpath = optarg;
args->mode |= MODE_UIF_BSL;
break;
@ -305,13 +313,16 @@ device_t setup_device(const struct cmdline_args *args,
if (args->mode == MODE_SIM) {
msp430_dev = sim_open(fetch_io, store_io, stab);
} else if (args->mode == MODE_UIF_BSL) {
msp430_dev = bsl_open(args->bsl_device);
} else if (args->mode == MODE_RF2500 || args->mode == MODE_UIF) {
msp430_dev = bsl_open(args->devpath);
} else {
int flags = 0;
/* Open the appropriate transport */
if (args->mode == MODE_UIF) {
trans = uif_open(args->uif_device);
if (args->mode == MODE_OLIMEX) {
trans = uif_open(args->devpath, 1);
flags |= FET_PROTO_OLIMEX;
} else if (args->mode == MODE_UIF) {
trans = uif_open(args->devpath, 0);
} else {
trans = rf2500_open();
flags |= FET_PROTO_RF2500;

5
mspdebug.man
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@ -6,6 +6,8 @@ MSPDebug - debugging tool for MSP430 MCUs
.br
\fBmspdebug\fR [options] \-u \fIdevice\fR [\-j] [\-v \fIvoltage\fR] [\fIcommand\fR ...]
.br
\fBmspdebug\fR [options] \-O \fIdevice\fR [\-j] [\-v \fIvoltage\fR] [\fIcommand\fR ...]
.br
\fBmspdebug\fR [options] \-B \fIdevice\fR [\fIcommand\fR ...]
.br
\fBmspdebug\fR [options] \-s [\fIcommand\fR ...]
@ -49,6 +51,9 @@ Connect to an eZ430-F2013 or a FET430UIF device. The device argument
should be the filename of the appropriate tty device. The TI serial
converter chips on these devices are supported by newer versions of the
Linux kernel, and should appear as /dev/tty\fIXX\fR when attached.
.IP "\-O \fIdevice\fR"
Connect to an Olimex MSP430-JTAG-TINY device. The device argument
should be the filename of the appropriate tty device.
.IP "\-j"
Use JTAG instead of Spy-Bi-Wire to communicate with the MSP430. This
option only works on FET430UIF devices.

5
uif.c
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@ -30,6 +30,7 @@
#ifdef __APPLE__
#define B460800 460800
#define B500000 500000
#endif
struct uif_transport {
@ -79,7 +80,7 @@ static void serial_destroy(transport_t tr_base)
free(tr);
}
transport_t uif_open(const char *device)
transport_t uif_open(const char *device, int is_olimex)
{
struct uif_transport *tr = malloc(sizeof(*tr));
@ -94,7 +95,7 @@ transport_t uif_open(const char *device)
printf("Trying to open UIF on %s...\n", device);
tr->serial_fd = open_serial(device, B460800);
tr->serial_fd = open_serial(device, is_olimex ? B500000 : B460800);
if (tr->serial_fd < 0) {
fprintf(stderr, "uif: can't open serial device: %s: %s\n",
device, strerror(errno));

2
uif.h
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@ -25,6 +25,6 @@
* a kernel-supported serial interface. The argument given should be the
* filename of the relevant tty device.
*/
transport_t uif_open(const char *device);
transport_t uif_open(const char *device, int is_olimex);
#endif