static GSList *mic_scan(const char *conn, const char *serialcomm, int idx)
{
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
struct sr_probe *probe;
struct sr_serial_dev_inst *serial;
GSList *devices;
if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
drvc = mic_devs[idx].di->priv;
devices = NULL;
serial_flush(serial);
/* TODO: Query device type. */
// ret = mic_cmd_get_device_info(serial);
sr_info("Found device on port %s.", conn);
/* TODO: Fill in version from protocol response. */
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, mic_devs[idx].vendor,
mic_devs[idx].device, "")))
goto scan_cleanup;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
goto scan_cleanup;
}
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
sdi->priv = devc;
sdi->driver = mic_devs[idx].di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "Temperature")))
goto scan_cleanup;
sdi->probes = g_slist_append(sdi->probes, probe);
if (mic_devs[idx].has_humidity) {
if (!(probe = sr_probe_new(1, SR_PROBE_ANALOG, TRUE, "Humidity")))
goto scan_cleanup;
sdi->probes = g_slist_append(sdi->probes, probe);
}
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
scan_cleanup:
serial_close(serial);
return devices;
}
static GSList *scan(GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_dev_inst *sdi;
struct sr_config *src;
struct sr_probe *probe;
GSList *devices, *l;
const char *conn, *serialcomm;
drvc = di->priv;
drvc->instances = NULL;
devices = NULL;
conn = serialcomm = NULL;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = g_variant_get_string(src->data, NULL);
break;
case SR_CONF_SERIALCOMM:
serialcomm = g_variant_get_string(src->data, NULL);
break;
}
}
if (!conn)
return NULL;
if (!serialcomm)
serialcomm = SERIALCOMM;
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Colead",
"SL-5868P", NULL)))
return NULL;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_dbg("Device context malloc failed.");
return NULL;
}
if (!(sdi->conn = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
sdi->inst_type = SR_INST_SERIAL;
sdi->priv = devc;
sdi->driver = di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
return devices;
}
static struct sr_dev_inst *dso_dev_new(int index, const struct dso_profile *prof)
{
struct sr_dev_inst *sdi;
struct sr_probe *probe;
struct drv_context *drvc;
struct dev_context *devc;
int i;
sdi = sr_dev_inst_new(index, SR_ST_INITIALIZING,
prof->vendor, prof->model, NULL);
if (!sdi)
return NULL;
sdi->driver = di;
/*
* Add only the real probes -- EXT isn't a source of data, only
* a trigger source internal to the device.
*/
for (i = 0; probe_names[i]; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
probe_names[i])))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
}
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
}
devc->profile = prof;
devc->dev_state = IDLE;
devc->timebase = DEFAULT_TIMEBASE;
devc->ch1_enabled = TRUE;
devc->ch2_enabled = TRUE;
devc->voltage_ch1 = DEFAULT_VOLTAGE;
devc->voltage_ch2 = DEFAULT_VOLTAGE;
devc->coupling_ch1 = DEFAULT_COUPLING;
devc->coupling_ch2 = DEFAULT_COUPLING;
devc->voffset_ch1 = DEFAULT_VERT_OFFSET;
devc->voffset_ch2 = DEFAULT_VERT_OFFSET;
devc->voffset_trigger = DEFAULT_VERT_TRIGGERPOS;
devc->framesize = DEFAULT_FRAMESIZE;
devc->triggerslope = SLOPE_POSITIVE;
devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE);
devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS;
sdi->priv = devc;
drvc = di->priv;
drvc->instances = g_slist_append(drvc->instances, sdi);
return sdi;
}
static int init(struct sr_input *in, const char *filename)
{
struct sr_probe *probe;
int num_probes, i;
char name[SR_MAX_PROBENAME_LEN + 1];
char *param;
struct context *ctx;
(void)filename;
if (!(ctx = g_try_malloc0(sizeof(*ctx)))) {
sr_err("Input format context malloc failed.");
return SR_ERR_MALLOC;
}
num_probes = DEFAULT_NUM_PROBES;
ctx->samplerate = 0;
if (in->param) {
param = g_hash_table_lookup(in->param, "numprobes");
if (param) {
num_probes = strtoul(param, NULL, 10);
if (num_probes < 1)
return SR_ERR;
}
param = g_hash_table_lookup(in->param, "samplerate");
if (param) {
if (sr_parse_sizestring(param, &ctx->samplerate) != SR_OK)
return SR_ERR;
}
}
/* Create a virtual device. */
in->sdi = sr_dev_inst_new(LOGIC, 0, SR_ST_ACTIVE, NULL, NULL, NULL);
in->internal = ctx;
for (i = 0; i < num_probes; i++) {
snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i);
/* TODO: Check return value. */
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, name)))
return SR_ERR;
in->sdi->probes = g_slist_append(in->sdi->probes, probe);
}
return SR_OK;
}
static GSList *scan(GSList *options)
{
struct sr_dev_inst *sdi;
struct sr_probe *probe;
struct drv_context *drvc;
struct dev_context *devc;
GSList *devices;
int i;
(void)options;
drvc = di->priv;
devices = NULL;
sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, DEMONAME, NULL, NULL);
if (!sdi) {
sr_err("Device instance creation failed.");
return NULL;
}
sdi->driver = di;
for (i = 0; probe_names[i]; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
probe_names[i])))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
}
devices = g_slist_append(devices, sdi);
drvc->instances = g_slist_append(drvc->instances, sdi);
if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
}
devc->sdi = sdi;
devc->cur_samplerate = SR_KHZ(200);
devc->limit_samples = 0;
devc->limit_msec = 0;
devc->sample_generator = PATTERN_SIGROK;
sdi->priv = devc;
return devices;
}
static int init(struct sr_input *in, const char *filename)
{
struct sr_probe *probe;
struct context *ctx;
char buf[40], probename[8];
int i;
if (get_wav_header(filename, buf) != SR_OK)
return SR_ERR;
if (!(ctx = g_try_malloc0(sizeof(struct context))))
return SR_ERR_MALLOC;
/* Create a virtual device. */
in->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL);
in->sdi->priv = ctx;
ctx->samplerate = GUINT32_FROM_LE(*(uint32_t *)(buf + 24));
ctx->samplesize = GUINT16_FROM_LE(*(uint16_t *)(buf + 34)) / 8;
if (ctx->samplesize != 1 && ctx->samplesize != 2 && ctx->samplesize != 4) {
sr_err("only 8, 16 or 32 bits per sample supported.");
return SR_ERR;
}
if ((ctx->num_channels = GUINT16_FROM_LE(*(uint16_t *)(buf + 22))) > 20) {
sr_err("%d channels seems crazy.", ctx->num_channels);
return SR_ERR;
}
for (i = 0; i < ctx->num_channels; i++) {
snprintf(probename, 8, "CH%d", i + 1);
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, probename)))
return SR_ERR;
in->sdi->probes = g_slist_append(in->sdi->probes, probe);
}
return SR_OK;
}
static int init(struct sr_input *in, const char *filename)
{
int res;
struct context *ctx;
const char *param;
GIOStatus status;
gsize i, term_pos;
char probe_name[SR_MAX_PROBENAME_LEN + 1];
struct sr_probe *probe;
char **columns;
gsize num_columns;
char *ptr;
if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
sr_err("Context malloc failed.");
return SR_ERR_MALLOC;
}
/* Create a virtual device. */
in->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL);
in->internal = ctx;
/* Set default samplerate. */
ctx->samplerate = 0;
/*
* Enable auto-detection of the number of probes in multi column mode
* and enforce the specification of the number of probes in single
* column mode.
*/
ctx->num_probes = 0;
/* Set default delimiter. */
if (!(ctx->delimiter = g_string_new(","))) {
sr_err("Delimiter malloc failed.");
free_context(ctx);
return SR_ERR_MALLOC;
}
/*
* Set default comment prefix. Note that an empty comment prefix
* disables removing of comments.
*/
if (!(ctx->comment = g_string_new(""))) {
sr_err("Comment malloc failed.");
free_context(ctx);
return SR_ERR_MALLOC;
}
/* Enable multi column mode by default. */
ctx->multi_column_mode = TRUE;
/* Use first column as default single column number. */
ctx->single_column = 0;
/*
* In multi column mode start parsing sample data at the first column
* and in single column mode at the first bit.
*/
ctx->first_probe = 0;
/* Start at the beginning of the file. */
ctx->start_line = 1;
/* Disable the usage of the first line as header by default. */
ctx->header = FALSE;
/* Set default format for single column mode. */
ctx->format = FORMAT_BIN;
if (!(ctx->buffer = g_string_new(""))) {
sr_err("Line buffer malloc failed.");
free_context(ctx);
return SR_ERR_MALLOC;
}
if (in->param) {
if ((param = g_hash_table_lookup(in->param, "samplerate"))) {
res = sr_parse_sizestring(param, &ctx->samplerate);
if (res != SR_OK) {
sr_err("Invalid samplerate: %s.", param);
free_context(ctx);
return SR_ERR_ARG;
}
}
if ((param = g_hash_table_lookup(in->param, "numprobes")))
ctx->num_probes = g_ascii_strtoull(param, NULL, 10);
if ((param = g_hash_table_lookup(in->param, "delimiter"))) {
if (!strlen(param)) {
sr_err("Delimiter must be at least one character.");
free_context(ctx);
return SR_ERR_ARG;
}
if (!g_ascii_strcasecmp(param, "\\t"))
g_string_assign(ctx->delimiter, "\t");
else
g_string_assign(ctx->delimiter, param);
}
if ((param = g_hash_table_lookup(in->param, "comment")))
g_string_assign(ctx->comment, param);
if ((param = g_hash_table_lookup(in->param, "single-column"))) {
ctx->single_column = g_ascii_strtoull(param, &ptr, 10);
ctx->multi_column_mode = FALSE;
if (param == ptr) {
sr_err("Invalid single-colum number: %s.",
param);
free_context(ctx);
return SR_ERR_ARG;
}
}
if ((param = g_hash_table_lookup(in->param, "first-probe")))
ctx->first_probe = g_ascii_strtoull(param, NULL, 10);
if ((param = g_hash_table_lookup(in->param, "startline"))) {
ctx->start_line = g_ascii_strtoull(param, NULL, 10);
if (ctx->start_line < 1) {
sr_err("Invalid start line: %s.", param);
free_context(ctx);
return SR_ERR_ARG;
}
}
if ((param = g_hash_table_lookup(in->param, "header")))
ctx->header = sr_parse_boolstring(param);
if ((param = g_hash_table_lookup(in->param, "format"))) {
if (!g_ascii_strncasecmp(param, "bin", 3)) {
ctx->format = FORMAT_BIN;
} else if (!g_ascii_strncasecmp(param, "hex", 3)) {
ctx->format = FORMAT_HEX;
} else if (!g_ascii_strncasecmp(param, "oct", 3)) {
ctx->format = FORMAT_OCT;
} else {
sr_err("Invalid format: %s.", param);
free_context(ctx);
return SR_ERR;
}
}
}
if (ctx->multi_column_mode)
ctx->first_column = ctx->first_probe;
else
ctx->first_column = ctx->single_column;
if (!ctx->multi_column_mode && !ctx->num_probes) {
sr_err("Number of probes needs to be specified in single column mode.");
free_context(ctx);
return SR_ERR;
}
if (!(ctx->channel = g_io_channel_new_file(filename, "r", NULL))) {
sr_err("Input file '%s' could not be opened.", filename);
free_context(ctx);
return SR_ERR;
}
while (TRUE) {
ctx->line_number++;
status = g_io_channel_read_line_string(ctx->channel,
ctx->buffer, &term_pos, NULL);
if (status == G_IO_STATUS_EOF) {
sr_err("Input file is empty.");
free_context(ctx);
return SR_ERR;
}
if (status != G_IO_STATUS_NORMAL) {
sr_err("Error while reading line %zu.",
ctx->line_number);
free_context(ctx);
return SR_ERR;
}
if (ctx->start_line > ctx->line_number) {
sr_spew("Line %zu skipped.", ctx->line_number);
continue;
}
/* Remove line termination character(s). */
g_string_truncate(ctx->buffer, term_pos);
if (!ctx->buffer->len) {
sr_spew("Blank line %zu skipped.", ctx->line_number);
continue;
}
/* Remove trailing comment. */
strip_comment(ctx->buffer, ctx->comment);
if (ctx->buffer->len)
break;
sr_spew("Comment-only line %zu skipped.", ctx->line_number);
}
/*
* In order to determine the number of columns parse the current line
* without limiting the number of columns.
*/
if (!(columns = parse_line(ctx, -1))) {
sr_err("Error while parsing line %zu.", ctx->line_number);
free_context(ctx);
return SR_ERR;
}
num_columns = g_strv_length(columns);
/* Ensure that the first column is not out of bounds. */
if (!num_columns) {
sr_err("Column %zu in line %zu is out of bounds.",
ctx->first_column, ctx->line_number);
g_strfreev(columns);
free_context(ctx);
return SR_ERR;
}
if (ctx->multi_column_mode) {
/*
* Detect the number of probes in multi column mode
* automatically if not specified.
*/
if (!ctx->num_probes) {
ctx->num_probes = num_columns;
sr_info("Number of auto-detected probes: %zu.",
ctx->num_probes);
}
/*
* Ensure that the number of probes does not exceed the number
* of columns in multi column mode.
*/
if (num_columns < ctx->num_probes) {
sr_err("Not enough columns for desired number of probes in line %zu.",
ctx->line_number);
g_strfreev(columns);
free_context(ctx);
return SR_ERR;
}
}
for (i = 0; i < ctx->num_probes; i++) {
if (ctx->header && ctx->multi_column_mode && strlen(columns[i]))
snprintf(probe_name, sizeof(probe_name), "%s",
columns[i]);
else
snprintf(probe_name, sizeof(probe_name), "%zu", i);
probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, probe_name);
if (!probe) {
sr_err("Probe creation failed.");
free_context(ctx);
g_strfreev(columns);
return SR_ERR;
}
in->sdi->probes = g_slist_append(in->sdi->probes, probe);
}
g_strfreev(columns);
/*
* Calculate the minimum buffer size to store the sample data of the
* probes.
*/
ctx->sample_buffer_size = (ctx->num_probes + 7) >> 3;
if (!(ctx->sample_buffer = g_try_malloc(ctx->sample_buffer_size))) {
sr_err("Sample buffer malloc failed.");
free_context(ctx);
return SR_ERR_MALLOC;
}
return SR_OK;
}
static int init(struct sr_input *in, const char *filename)
{
struct sr_probe *probe;
int num_probes, i;
char name[SR_MAX_PROBENAME_LEN + 1];
char *param;
struct context *ctx;
(void)filename;
if (!(ctx = g_try_malloc0(sizeof(*ctx)))) {
sr_err("Input format context malloc failed.");
return SR_ERR_MALLOC;
}
num_probes = DEFAULT_NUM_PROBES;
ctx->samplerate = 0;
ctx->downsample = 1;
ctx->skip = -1;
if (in->param) {
param = g_hash_table_lookup(in->param, "numprobes");
if (param) {
num_probes = strtoul(param, NULL, 10);
if (num_probes < 1)
{
release_context(ctx);
return SR_ERR;
}
}
param = g_hash_table_lookup(in->param, "downsample");
if (param) {
ctx->downsample = strtoul(param, NULL, 10);
if (ctx->downsample < 1)
{
ctx->downsample = 1;
}
}
param = g_hash_table_lookup(in->param, "compress");
if (param) {
ctx->compress = strtoul(param, NULL, 10);
}
param = g_hash_table_lookup(in->param, "skip");
if (param) {
ctx->skip = strtoul(param, NULL, 10) / ctx->downsample;
}
}
/* Maximum number of probes to parse from the VCD */
ctx->maxprobes = num_probes;
/* Create a virtual device. */
in->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL);
in->internal = ctx;
for (i = 0; i < num_probes; i++) {
snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i);
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, name)))
{
release_context(ctx);
return SR_ERR;
}
in->sdi->probes = g_slist_append(in->sdi->probes, probe);
}
return SR_OK;
}
static GSList *scan(GSList *options)
{
GSList *usb_devices, *devices, *l;
struct drv_context *drvc;
struct sr_dev_inst *sdi;
struct sr_probe *probe;
struct dev_context *devc;
struct sr_usb_dev_inst *usb;
struct device_info dev_info;
int ret, device_index, i;
char *fw_ver_str;
(void)options;
devices = NULL;
drvc = di->priv;
drvc->instances = NULL;
device_index = 0;
usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_VID_PID);
if (usb_devices == NULL)
return NULL;
for (l = usb_devices; l; l = l->next) {
usb = l->data;
if ((ret = sl2_get_device_info(*usb, &dev_info)) < 0) {
sr_warn("Failed to get device information: %d.", ret);
sr_usb_dev_inst_free(usb);
continue;
}
if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("Device instance malloc failed.");
sr_usb_dev_inst_free(usb);
continue;
}
if (!(devc->xfer_in = libusb_alloc_transfer(0))) {
sr_err("Transfer malloc failed.");
sr_usb_dev_inst_free(usb);
g_free(devc);
continue;
}
if (!(devc->xfer_out = libusb_alloc_transfer(0))) {
sr_err("Transfer malloc failed.");
sr_usb_dev_inst_free(usb);
libusb_free_transfer(devc->xfer_in);
g_free(devc);
continue;
}
fw_ver_str = g_strdup_printf("%u.%u", dev_info.fw_ver_major,
dev_info.fw_ver_minor);
if (!fw_ver_str) {
sr_err("Firmware string malloc failed.");
sr_usb_dev_inst_free(usb);
libusb_free_transfer(devc->xfer_in);
libusb_free_transfer(devc->xfer_out);
g_free(devc);
continue;
}
sdi = sr_dev_inst_new(device_index, SR_ST_INACTIVE, VENDOR_NAME,
MODEL_NAME, fw_ver_str);
g_free(fw_ver_str);
if (!sdi) {
sr_err("sr_dev_inst_new failed.");
sr_usb_dev_inst_free(usb);
libusb_free_transfer(devc->xfer_in);
libusb_free_transfer(devc->xfer_out);
g_free(devc);
continue;
}
sdi->priv = devc;
sdi->driver = di;
sdi->inst_type = SR_INST_USB;
sdi->conn = usb;
for (i = 0; probe_names[i]; i++) {
probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
probe_names[i]);
sdi->probes = g_slist_append(sdi->probes, probe);
devc->probes[i] = probe;
}
devc->state = STATE_IDLE;
devc->next_state = STATE_IDLE;
/* Set default samplerate. */
sl2_set_samplerate(sdi, DEFAULT_SAMPLERATE);
/* Set default capture ratio. */
devc->capture_ratio = 0;
/* Set default after trigger delay. */
devc->after_trigger_delay = 0;
memset(devc->xfer_buf_in, 0, LIBUSB_CONTROL_SETUP_SIZE +
PACKET_LENGTH);
memset(devc->xfer_buf_out, 0, LIBUSB_CONTROL_SETUP_SIZE +
PACKET_LENGTH);
libusb_fill_control_setup(devc->xfer_buf_in,
USB_REQUEST_TYPE_IN, USB_HID_GET_REPORT,
USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
PACKET_LENGTH);
libusb_fill_control_setup(devc->xfer_buf_out,
USB_REQUEST_TYPE_OUT, USB_HID_SET_REPORT,
USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
PACKET_LENGTH);
devc->xfer_data_in = devc->xfer_buf_in +
LIBUSB_CONTROL_SETUP_SIZE;
devc->xfer_data_out = devc->xfer_buf_out +
LIBUSB_CONTROL_SETUP_SIZE;
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
device_index++;
}
g_slist_free(usb_devices);
return devices;
}
static GSList *scan(GSList *options)
{
struct sr_dev_inst *sdi;
struct sr_probe *probe;
struct drv_context *drvc;
struct dev_context *devc;
GSList *devices;
unsigned int i;
int ret;
(void)options;
drvc = di->priv;
devices = NULL;
/* Allocate memory for our private device context. */
if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
goto err_free_nothing;
}
/* Set some sane defaults. */
devc->ftdic = NULL;
devc->cur_samplerate = SR_MHZ(100); /* 100MHz == max. samplerate */
devc->limit_msec = 0;
devc->limit_samples = 0;
devc->cb_data = NULL;
memset(devc->mangled_buf, 0, BS);
devc->final_buf = NULL;
devc->trigger_pattern = 0x00; /* Value irrelevant, see trigger_mask. */
devc->trigger_mask = 0x00; /* All probes are "don't care". */
devc->trigger_timeout = 10; /* Default to 10s trigger timeout. */
devc->trigger_found = 0;
devc->done = 0;
devc->block_counter = 0;
devc->divcount = 0; /* 10ns sample period == 100MHz samplerate */
devc->usb_pid = 0;
/* Allocate memory where we'll store the de-mangled data. */
if (!(devc->final_buf = g_try_malloc(SDRAM_SIZE))) {
sr_err("final_buf malloc failed.");
goto err_free_devc;
}
/* Allocate memory for the FTDI context (ftdic) and initialize it. */
if (!(devc->ftdic = ftdi_new())) {
sr_err("%s: ftdi_new failed.", __func__);
goto err_free_final_buf;
}
/* Check for the device and temporarily open it. */
for (i = 0; i < ARRAY_SIZE(usb_pids); i++) {
sr_dbg("Probing for VID/PID %04x:%04x.", USB_VENDOR_ID,
usb_pids[i]);
ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID,
usb_pids[i], USB_DESCRIPTION, NULL);
if (ret == 0) {
sr_dbg("Found LA8 device (%04x:%04x).",
USB_VENDOR_ID, usb_pids[i]);
devc->usb_pid = usb_pids[i];
}
}
if (devc->usb_pid == 0)
goto err_free_ftdic;
/* Register the device with libsigrok. */
sdi = sr_dev_inst_new(0, SR_ST_INITIALIZING,
USB_VENDOR_NAME, USB_MODEL_NAME, USB_MODEL_VERSION);
if (!sdi) {
sr_err("%s: sr_dev_inst_new failed.", __func__);
goto err_close_ftdic;
}
sdi->driver = di;
sdi->priv = devc;
for (i = 0; chronovu_la8_probe_names[i]; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
chronovu_la8_probe_names[i])))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
}
devices = g_slist_append(devices, sdi);
drvc->instances = g_slist_append(drvc->instances, sdi);
/* Close device. We'll reopen it again when we need it. */
(void) la8_close(devc); /* Log, but ignore errors. */
return devices;
err_close_ftdic:
(void) la8_close(devc); /* Log, but ignore errors. */
err_free_ftdic:
ftdi_free(devc->ftdic); /* NOT free() or g_free()! */
err_free_final_buf:
g_free(devc->final_buf);
err_free_devc:
g_free(devc);
err_free_nothing:
return NULL;
}
static GSList *brymen_scan(const char *conn, const char *serialcomm)
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct drv_context *drvc;
struct sr_probe *probe;
struct sr_serial_dev_inst *serial;
GSList *devices;
int ret;
uint8_t buf[128];
size_t len;
if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
sr_info("Probing port %s.", conn);
devices = NULL;
/* Request reading */
if ((ret = brymen_packet_request(serial)) < 0) {
sr_err("Unable to send command: %d.", ret);
goto scan_cleanup;
}
len = 128;
ret = brymen_stream_detect(serial, buf, &len, brymen_packet_length,
brymen_packet_is_valid, 1000, 9600);
if (ret != SR_OK)
goto scan_cleanup;
sr_info("Found device on port %s.", conn);
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Brymen", "BM85x", "")))
goto scan_cleanup;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
goto scan_cleanup;
}
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
drvc = di->priv;
sdi->priv = devc;
sdi->driver = di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
goto scan_cleanup;
sdi->probes = g_slist_append(sdi->probes, probe);
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
scan_cleanup:
serial_close(serial);
return devices;
}
static GSList *scan(GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
struct sr_dev_inst *sdi;
struct sr_probe *probe;
struct sr_config *src;
GSList *devices, *l;
const char *conn, *serialcomm;
uint8_t buf[50];
size_t len;
len = sizeof(buf);
devices = NULL;
conn = serialcomm = NULL;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = g_variant_get_string(src->data, NULL);
break;
case SR_CONF_SERIALCOMM:
serialcomm = g_variant_get_string(src->data, NULL);
break;
}
}
if (!conn)
return NULL;
if (!serialcomm)
serialcomm = "9600/8n1";
if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
if (serial_open(serial, SERIAL_RDONLY | SERIAL_NONBLOCK) != SR_OK)
return NULL;
sr_info("Probing serial port %s.", conn);
drvc = di->priv;
drvc->instances = NULL;
serial_flush(serial);
/* Let's get a bit of data and see if we can find a packet. */
if (serial_stream_detect(serial, buf, &len, 25,
appa_55ii_packet_valid, 500, 9600) != SR_OK)
goto scan_cleanup;
sr_info("Found device on port %s.", conn);
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "APPA", "55II", "")))
goto scan_cleanup;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
goto scan_cleanup;
}
devc->data_source = DEFAULT_DATA_SOURCE;
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
sdi->priv = devc;
sdi->driver = di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "T1")))
goto scan_cleanup;
sdi->probes = g_slist_append(sdi->probes, probe);
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "T2")))
goto scan_cleanup;
sdi->probes = g_slist_append(sdi->probes, probe);
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
scan_cleanup:
serial_close(serial);
return devices;
}
static GSList *scan(GSList *options, int dmm)
{
GSList *usb_devices, *devices, *l;
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct drv_context *drvc;
struct sr_usb_dev_inst *usb;
struct sr_config *src;
struct sr_probe *probe;
const char *conn;
drvc = udmms[dmm].di->priv;
conn = NULL;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = g_variant_get_string(src->data, NULL);
break;
}
}
if (!conn)
return NULL;
devices = NULL;
if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
g_slist_free_full(usb_devices, g_free);
return NULL;
}
for (l = usb_devices; l; l = l->next) {
usb = l->data;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
}
devc->first_run = TRUE;
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
udmms[dmm].vendor, udmms[dmm].device, NULL))) {
sr_err("sr_dev_inst_new returned NULL.");
return NULL;
}
sdi->priv = devc;
sdi->driver = udmms[dmm].di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
sdi->inst_type = SR_INST_USB;
sdi->conn = usb;
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
}
return devices;
}
static int config_set(int id, GVariant *data, struct sr_dev_inst *sdi)
{
int i, ret;
const char *stropt;
struct sr_probe *probe;
struct dev_context *const devc = sdi->priv;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
if (id == SR_CONF_SAMPLERATE) {
devc->cur_samplerate = g_variant_get_uint64(data);
sr_dbg("%s: setting samplerate to %" PRIu64, __func__,
devc->cur_samplerate);
ret = SR_OK;
} else if (id == SR_CONF_LIMIT_SAMPLES) {
devc->limit_msec = 0;
devc->limit_samples = g_variant_get_uint64(data);
sr_dbg("%s: setting limit_samples to %" PRIu64, __func__,
devc->limit_samples);
ret = SR_OK;
} else if (id == SR_CONF_LIMIT_MSEC) {
devc->limit_msec = g_variant_get_uint64(data);
devc->limit_samples = 0;
sr_dbg("%s: setting limit_msec to %" PRIu64, __func__,
devc->limit_msec);
ret = SR_OK;
} else if (id == SR_CONF_DEVICE_MODE) {
stropt = g_variant_get_string(data, NULL);
ret = SR_OK;
if (!strcmp(stropt, mode_strings[LOGIC])) {
sdi->mode = LOGIC;
sr_dev_probes_free(sdi);
for (i = 0; probe_names[i]; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
probe_names[i])))
ret = SR_ERR;
else
sdi->probes = g_slist_append(sdi->probes, probe);
}
} else if (!strcmp(stropt, mode_strings[DSO])) {
sdi->mode = DSO;
sr_dev_probes_free(sdi);
for (i = 0; i < DS_MAX_DSO_PROBES_NUM; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_DSO, TRUE,
probe_names[i])))
ret = SR_ERR;
else
sdi->probes = g_slist_append(sdi->probes, probe);
}
} else if (!strcmp(stropt, mode_strings[ANALOG])) {
sdi->mode = ANALOG;
sr_dev_probes_free(sdi);
for (i = 0; i < DS_MAX_ANALOG_PROBES_NUM; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
probe_names[i])))
ret = SR_ERR;
else
sdi->probes = g_slist_append(sdi->probes, probe);
}
} else {
ret = SR_ERR;
}
sr_dbg("%s: setting mode to %d", __func__, sdi->mode);
}else if (id == SR_CONF_PATTERN_MODE) {
stropt = g_variant_get_string(data, NULL);
ret = SR_OK;
if (!strcmp(stropt, pattern_strings[PATTERN_SINE])) {
devc->sample_generator = PATTERN_SINE;
} else if (!strcmp(stropt, pattern_strings[PATTERN_SQUARE])) {
devc->sample_generator = PATTERN_SQUARE;
} else if (!strcmp(stropt, pattern_strings[PATTERN_TRIANGLE])) {
devc->sample_generator = PATTERN_TRIANGLE;
} else if (!strcmp(stropt, pattern_strings[PATTERN_SAWTOOTH])) {
devc->sample_generator = PATTERN_SAWTOOTH;
} else if (!strcmp(stropt, pattern_strings[PATTERN_RANDOM])) {
devc->sample_generator = PATTERN_RANDOM;
} else {
ret = SR_ERR;
}
sr_dbg("%s: setting pattern to %d",
__func__, devc->sample_generator);
} else {
ret = SR_ERR_NA;
}
return ret;
}
static GSList *scan(const char *conn, const char *serialcomm, int dmm)
{
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
struct sr_probe *probe;
struct sr_serial_dev_inst *serial;
GSList *devices;
int dropped, ret;
size_t len;
uint8_t buf[128];
if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
sr_info("Probing serial port %s.", conn);
drvc = dmms[dmm].di->priv;
devices = NULL;
serial_flush(serial);
/* Request a packet if the DMM requires this. */
if (dmms[dmm].packet_request) {
if ((ret = dmms[dmm].packet_request(serial)) < 0) {
sr_err("Failed to request packet: %d.", ret);
return FALSE;
}
}
/*
* There's no way to get an ID from the multimeter. It just sends data
* periodically (or upon request), so the best we can do is check if
* the packets match the expected format.
*/
/* Let's get a bit of data and see if we can find a packet. */
len = sizeof(buf);
ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
dmms[dmm].packet_valid, 1000,
dmms[dmm].baudrate);
if (ret != SR_OK)
goto scan_cleanup;
/*
* If we dropped more than two packets worth of data, something is
* wrong. We shouldn't quit however, since the dropped bytes might be
* just zeroes at the beginning of the stream. Those can occur as a
* combination of the nonstandard cable that ships with some devices
* and the serial port or USB to serial adapter.
*/
dropped = len - dmms[dmm].packet_size;
if (dropped > 2 * dmms[dmm].packet_size)
sr_warn("Had to drop too much data.");
sr_info("Found device on port %s.", conn);
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
dmms[dmm].device, "")))
goto scan_cleanup;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
goto scan_cleanup;
}
devc->serial = serial;
sdi->priv = devc;
sdi->driver = dmms[dmm].di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
goto scan_cleanup;
sdi->probes = g_slist_append(sdi->probes, probe);
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
scan_cleanup:
serial_close(serial);
return devices;
}
static GSList *hw_scan(GSList *options)
{
GSList *usb_devices, *devices, *l;
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct drv_context *drvc;
struct sr_usb_dev_inst *usb;
struct sr_config *src;
struct sr_probe *probe;
const char *conn;
(void)options;
drvc = di->priv;
/* USB scan is always authoritative. */
clear_instances();
conn = NULL;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = src->value;
break;
}
}
if (!conn)
conn = UNI_T_UT_D04_NEW;
devices = NULL;
if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
g_slist_free_full(usb_devices, g_free);
return NULL;
}
for (l = usb_devices; l; l = l->next) {
usb = l->data;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
}
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
di->longname, NULL, NULL))) {
sr_err("sr_dev_inst_new returned NULL.");
return NULL;
}
sdi->priv = devc;
sdi->driver = di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
devc->usb = usb;
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
}
return devices;
}
static GSList *scan(GSList *options)
{
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
struct sr_config *src;
struct sr_probe *probe;
struct sr_serial_dev_inst *serial;
GSList *l, *devices;
int len, i;
const char *conn, *serialcomm;
char *buf, **tokens;
drvc = di->priv;
drvc->instances = NULL;
devices = NULL;
conn = serialcomm = NULL;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = g_variant_get_string(src->data, NULL);
break;
case SR_CONF_SERIALCOMM:
serialcomm = g_variant_get_string(src->data, NULL);
break;
}
}
if (!conn)
return NULL;
if (!serialcomm)
serialcomm = SERIALCOMM;
if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
serial_flush(serial);
if (serial_write(serial, "*IDN?\r\n", 7) == -1) {
sr_err("Unable to send identification string: %s.",
strerror(errno));
return NULL;
}
len = 128;
if (!(buf = g_try_malloc(len))) {
sr_err("Serial buffer malloc failed.");
return NULL;
}
serial_readline(serial, &buf, &len, 150);
if (!len)
return NULL;
tokens = g_strsplit(buf, ",", 4);
if (!strcmp("Agilent Technologies", tokens[0])
&& tokens[1] && tokens[2] && tokens[3]) {
for (i = 0; supported_agdmm[i].model; i++) {
if (strcmp(supported_agdmm[i].modelname, tokens[1]))
continue;
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, tokens[0],
tokens[1], tokens[3])))
return NULL;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
}
devc->profile = &supported_agdmm[i];
devc->cur_mq = -1;
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
sdi->priv = devc;
sdi->driver = di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
break;
}
}
g_strfreev(tokens);
g_free(buf);
serial_close(serial);
if (!devices)
sr_serial_dev_inst_free(serial);
return devices;
}
static GSList *hw_scan(GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_dev_inst *sdi;
struct sr_usb_dev_inst *usb;
struct sr_config *src;
struct sr_probe *probe;
libusb_device *dev;
GSList *usb_devices, *devices, *l;
int i;
const char *conn;
(void)options;
drvc = di->priv;
/* USB scan is always authoritative. */
clear_instances();
conn = NULL;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = src->value;
break;
}
}
if (!conn)
conn = OSCI_VIDPID;
devices = NULL;
if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
for (l = usb_devices; l; l = l->next) {
usb = l->data;
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
OSCI_VENDOR, OSCI_MODEL, OSCI_VERSION)))
return NULL;
sdi->driver = di;
for (i = 0; probe_names[i]; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
probe_names[i])))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
}
if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
return NULL;
sdi->priv = devc;
devc->usb = usb;
if (strcmp(conn, OSCI_VIDPID)) {
if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
break;
dev = libusb_get_device(usb->devhdl);
if (ezusb_upload_firmware(dev, 0, OSCI_FIRMWARE) == SR_OK)
/* Remember when the firmware on this device was updated */
devc->fw_updated = g_get_monotonic_time();
else
sr_err("Firmware upload failed for device "
"at bus %d address %d.", usb->bus, usb->address);
}
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
}
g_slist_free(usb_devices);
} else
g_slist_free_full(usb_devices, g_free);
return devices;
}
static int probe_port(const char *port, GSList **devices)
{
struct dev_context *devc;
struct sr_dev_inst *sdi;
struct sr_serial_dev_inst *serial;
struct sr_probe *probe;
unsigned int i;
int len, num_tokens;
gboolean matched, has_digital;
const char *manufacturer, *model, *version;
char buf[256];
gchar **tokens, *channel_name;
*devices = NULL;
if (!(serial = sr_serial_dev_inst_new(port, NULL)))
return SR_ERR_MALLOC;
if (serial_open(serial, SERIAL_RDWR) != SR_OK)
return SR_ERR;
len = serial_write(serial, "*IDN?", 5);
len = serial_read(serial, buf, sizeof(buf));
if (serial_close(serial) != SR_OK)
return SR_ERR;
sr_serial_dev_inst_free(serial);
if (len == 0)
return SR_ERR_NA;
buf[len] = 0;
tokens = g_strsplit(buf, ",", 0);
sr_dbg("response: %s [%s]", port, buf);
for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
if (num_tokens < 4) {
g_strfreev(tokens);
return SR_ERR_NA;
}
manufacturer = tokens[0];
model = tokens[1];
version = tokens[3];
if (strcmp(manufacturer, "Rigol Technologies")) {
g_strfreev(tokens);
return SR_ERR_NA;
}
matched = has_digital = FALSE;
for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
if (!strcmp(model, supported_models[i])) {
matched = TRUE;
has_digital = g_str_has_suffix(model, "D");
break;
}
}
if (!matched || !(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE,
manufacturer, model, version))) {
g_strfreev(tokens);
return SR_ERR_NA;
}
g_strfreev(tokens);
if (!(sdi->conn = sr_serial_dev_inst_new(port, NULL)))
return SR_ERR_MALLOC;
sdi->driver = di;
sdi->inst_type = SR_INST_SERIAL;
if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
return SR_ERR_MALLOC;
devc->limit_frames = 0;
devc->has_digital = has_digital;
for (i = 0; i < 2; i++) {
if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
i == 0 ? "CH1" : "CH2")))
return SR_ERR_MALLOC;
sdi->probes = g_slist_append(sdi->probes, probe);
}
if (devc->has_digital) {
for (i = 0; i < 16; i++) {
if (!(channel_name = g_strdup_printf("D%d", i)))
return SR_ERR_MALLOC;
probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, channel_name);
g_free(channel_name);
if (!probe)
return SR_ERR_MALLOC;
sdi->probes = g_slist_append(sdi->probes, probe);
}
}
sdi->priv = devc;
*devices = g_slist_append(NULL, sdi);
return SR_OK;
}
static GSList *hw_scan(GSList *options)
{
int i;
GSList *devices = NULL;
const char *conn = NULL;
const char *serialcomm = NULL;
GSList *l;
struct sr_config *src;
struct udev *udev;
(void)options;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = src->value;
break;
case SR_CONF_SERIALCOMM:
serialcomm = src->value;
break;
}
}
if (!conn)
conn = SERIALCONN;
if (serialcomm == NULL)
serialcomm = SERIALCOMM;
udev = udev_new();
if (!udev) {
sr_err("Failed to initialize udev.");
}
struct udev_enumerate *enumerate = udev_enumerate_new(udev);
udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
udev_enumerate_scan_devices(enumerate);
struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
struct udev_list_entry *dev_list_entry;
for (dev_list_entry = devs;
dev_list_entry != NULL;
dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
const char *syspath = udev_list_entry_get_name(dev_list_entry);
struct udev_device *dev =
udev_device_new_from_syspath(udev, syspath);
const char *sysname = udev_device_get_sysname(dev);
struct udev_device *parent =
udev_device_get_parent_with_subsystem_devtype(dev, "usb",
"usb_device");
if (!parent) {
sr_err("Unable to find parent usb device for %s",
sysname);
continue;
}
const char *idVendor =
udev_device_get_sysattr_value(parent, "idVendor");
const char *idProduct =
udev_device_get_sysattr_value(parent, "idProduct");
if (strcmp(USB_VENDOR, idVendor)
|| strcmp(USB_PRODUCT, idProduct))
continue;
const char *iSerial =
udev_device_get_sysattr_value(parent, "serial");
const char *iProduct =
udev_device_get_sysattr_value(parent, "product");
char path[32];
snprintf(path, sizeof(path), "/dev/%s", sysname);
conn = path;
size_t s = strcspn(iProduct, " ");
char product[32];
char manufacturer[32];
if (s > sizeof(product) ||
strlen(iProduct) - s > sizeof(manufacturer)) {
sr_err("Could not parse iProduct: %s.", iProduct);
continue;
}
strncpy(product, iProduct, s);
product[s] = 0;
strcpy(manufacturer, iProduct + s + 1);
//Create the device context and set its params
struct dev_context *devc;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return devices;
}
if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
sr_err("Invalid iSerial: %s.", iSerial);
g_free(devc);
return devices;
}
char hwrev[32];
sprintf(hwrev, "r%d", devc->hwrev);
devc->ctlbase1 = 0;
devc->protocol_trigger.spimode = 0;
for (i = 0; i < 4; i++) {
devc->protocol_trigger.word[i] = 0;
devc->protocol_trigger.mask[i] = 0xff;
}
if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) {
g_free(devc);
return devices;
}
struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
manufacturer, product, hwrev);
if (!sdi) {
sr_err("Unable to create device instance for %s",
sysname);
sr_dev_inst_free(sdi);
g_free(devc);
return devices;
}
sdi->driver = di;
sdi->priv = devc;
for (i = 0; i < NUM_PROBES; i++) {
struct sr_probe *probe;
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
mso19_probe_names[i])))
return 0;
sdi->probes = g_slist_append(sdi->probes, probe);
}
//Add the driver
struct drv_context *drvc = di->priv;
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
}
return devices;
}
static GSList *scan(GSList *options)
{
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
struct sr_config *src;
struct sr_probe *probe;
struct sr_serial_dev_inst *serial;
GSList *l, *devices;
int len, cnt;
const char *conn, *serialcomm;
char *buf;
char fmttype[10];
char req[10];
int auxtype;
devices = NULL;
drvc = di->priv;
drvc->instances = NULL;
conn = serialcomm = NULL;
for (l = options; l; l = l->next) {
src = l->data;
switch (src->key) {
case SR_CONF_CONN:
conn = g_variant_get_string(src->data, NULL);
break;
case SR_CONF_SERIALCOMM:
serialcomm = g_variant_get_string(src->data, NULL);
break;
}
}
if (!conn)
return NULL;
if (!serialcomm)
serialcomm = SERIALCOMM;
if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
serial_flush(serial);
if (!(buf = g_try_malloc(BUF_MAX))) {
sr_err("Serial buffer malloc failed.");
return NULL;
}
snprintf(req, sizeof(req), "%s\r\n",
nmadmm_requests[NMADMM_REQ_IDN].req_str);
for (cnt = 0; cnt < 7; cnt++) {
if (serial_write(serial, req, strlen(req)) == -1) {
sr_err("Unable to send identification request: %d %s.",
errno, strerror(errno));
return NULL;
}
len = BUF_MAX;
serial_readline(serial, &buf, &len, 1500);
if (!len)
continue;
buf[BUF_MAX - 1] = '\0';
/* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950) */
if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) {
auxtype = xgittoint(buf[7]);
// TODO: Will this work with non-DM950?
snprintf(fmttype, sizeof(fmttype), "DM9%d0", auxtype);
sr_spew("Norma %s DMM %s detected!", fmttype, &buf[9]);
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
"Norma", fmttype, buf + 9)))
return NULL;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
return NULL;
}
devc->type = auxtype;
devc->version = g_strdup(&buf[9]);
devc->elapsed_msec = g_timer_new();
sdi->conn = serial;
sdi->priv = devc;
sdi->driver = di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE,
"P1")))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
break;
}
/*
* The interface of the DM9x0 contains a cap that needs to
* charge for up to 10s before the interface works, if not
* powered externally. Therefore wait a little to improve
* chances.
*/
if (cnt == 3) {
sr_info("Waiting 5s to allow interface to settle.");
g_usleep(5 * 1000 * 1000);
}
}
g_free(buf);
serial_close(serial);
if (!devices)
sr_serial_dev_inst_free(serial);
return devices;
}
