/*
* This file is part of the libsigrok project.
*
- * Copyright (C) 2011-2014 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2011-2015 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <config.h>
#include "protocol.h"
SR_PRIV struct sr_dev_driver chronovu_la_driver_info;
static struct sr_dev_driver *di = &chronovu_la_driver_info;
-static const int32_t hwcaps[] = {
+static const uint32_t drvopts[] = {
SR_CONF_LOGIC_ANALYZER,
- SR_CONF_SAMPLERATE,
- SR_CONF_TRIGGER_MATCH,
- SR_CONF_LIMIT_MSEC, /* TODO: Not yet implemented. */
- SR_CONF_LIMIT_SAMPLES, /* TODO: Not yet implemented. */
+};
+
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+};
+
+static const uint32_t devopts[] = {
+ SR_CONF_LIMIT_MSEC | SR_CONF_SET,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_CONN | SR_CONF_GET,
+ SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
};
static const int32_t trigger_matches[] = {
SR_TRIGGER_FALLING,
};
-/* The ChronoVu LA8/LA16 can have multiple VID/PID pairs. */
-static struct {
- uint16_t vid;
- uint16_t pid;
- int model;
- const char *iproduct;
-} vid_pid[] = {
- { 0x0403, 0x6001, CHRONOVU_LA8, "ChronoVu LA8" },
- { 0x0403, 0x8867, CHRONOVU_LA8, "ChronoVu LA8" },
- { 0x0403, 0x6001, CHRONOVU_LA16, "ChronoVu LA16" },
- { 0x0403, 0x8867, CHRONOVU_LA16, "ChronoVu LA16" },
-};
-
static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
static void clear_helper(void *priv)
g_free(devc->final_buf);
}
-static int dev_clear(void)
+static int dev_clear(const struct sr_dev_driver *di)
{
return std_dev_clear(di, clear_helper);
}
-static int init(struct sr_context *sr_ctx)
+static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
{
return std_init(sr_ctx, di, LOG_PREFIX);
}
-static int add_device(int idx, int model, GSList **devices)
+static int add_device(int model, struct libusb_device_descriptor *des,
+ const char *serial_num, const char *connection_id,
+ libusb_device *usbdev, GSList **devices)
{
int ret;
unsigned int i;
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
- struct sr_channel *ch;
ret = SR_OK;
- drvc = di->priv;
+ drvc = di->context;
/* Allocate memory for our private device context. */
- devc = g_try_malloc(sizeof(struct dev_context));
+ devc = g_malloc0(sizeof(struct dev_context));
/* Set some sane defaults. */
devc->prof = &cv_profiles[model];
devc->done = 0;
devc->block_counter = 0;
devc->divcount = 0;
- devc->usb_vid = vid_pid[idx].vid;
- devc->usb_pid = vid_pid[idx].pid;
+ devc->usb_vid = des->idVendor;
+ devc->usb_pid = des->idProduct;
memset(devc->samplerates, 0, sizeof(uint64_t) * 255);
/* Allocate memory where we'll store the de-mangled data. */
devc->cur_samplerate = devc->prof->max_samplerate;
/* Register the device with libsigrok. */
- sdi = sr_dev_inst_new(0, SR_ST_INITIALIZING,
- "ChronoVu", devc->prof->modelname, NULL);
- if (!sdi) {
- sr_err("Failed to create device instance.");
- ret = SR_ERR;
- goto err_free_final_buf;
- }
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sdi->status = SR_ST_INITIALIZING;
+ sdi->vendor = g_strdup("ChronoVu");
+ sdi->model = g_strdup(devc->prof->modelname);
+ sdi->serial_num = g_strdup(serial_num);
+ sdi->connection_id = g_strdup(connection_id);
+ sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(usbdev),
+ libusb_get_device_address(usbdev), NULL);
sdi->driver = di;
sdi->priv = devc;
- for (i = 0; i < devc->prof->num_channels; i++) {
- if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE,
- cv_channel_names[i]))) {
- ret = SR_ERR;
- goto err_free_dev_inst;
- }
- sdi->channels = g_slist_append(sdi->channels, ch);
- }
+ for (i = 0; i < devc->prof->num_channels; i++)
+ sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
+ cv_channel_names[i]);
*devices = g_slist_append(*devices, sdi);
drvc->instances = g_slist_append(drvc->instances, sdi);
- return SR_OK;
+ if (ret == SR_OK)
+ return SR_OK;
-err_free_dev_inst:
- sr_dev_inst_free(sdi);
-err_free_final_buf:
- g_free(devc->final_buf);
err_free_devc:
g_free(devc);
return ret;
}
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
- int ret;
- unsigned int i;
- GSList *devices;
- struct ftdi_context *ftdic;
-
- (void)options;
+ int i, ret, model;
+ struct drv_context *drvc;
+ GSList *devices, *conn_devices, *l;
+ struct sr_usb_dev_inst *usb;
+ struct sr_config *src;
+ struct libusb_device_descriptor des;
+ libusb_device **devlist;
+ struct libusb_device_handle *hdl;
+ const char *conn;
+ char product[64], serial_num[64], connection_id[64];
+
+ drvc = di->context;
+ drvc->instances = NULL;
+
+ 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)
+ conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
+ else
+ conn_devices = NULL;
devices = NULL;
+ libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
+
+ for (i = 0; devlist[i]; i++) {
+ if (conn) {
+ for (l = conn_devices; l; l = l->next) {
+ usb = l->data;
+ if (usb->bus == libusb_get_bus_number(devlist[i])
+ && usb->address == libusb_get_device_address(devlist[i]))
+ break;
+ }
+ if (!l)
+ /* This device matched none of the ones that
+ * matched the conn specification. */
+ continue;
+ }
- /* Allocate memory for the FTDI context and initialize it. */
- if (!(ftdic = ftdi_new())) {
- sr_err("Failed to initialize libftdi.");
- return NULL;
- }
+ libusb_get_device_descriptor(devlist[i], &des);
- /* Check for LA8 and/or LA16 devices with various VID/PIDs. */
- for (i = 0; i < ARRAY_SIZE(vid_pid); i++) {
- ret = ftdi_usb_open_desc(ftdic, vid_pid[i].vid,
- vid_pid[i].pid, vid_pid[i].iproduct, NULL);
- /* Show errors other than "device not found". */
- if (ret < 0 && ret != -3)
- sr_dbg("Error finding/opening device (%d): %s.",
- ret, ftdi_get_error_string(ftdic));
- if (ret < 0)
- continue; /* No device found, or not usable. */
-
- sr_dbg("Found %s device (%04x:%04x).",
- vid_pid[i].iproduct, vid_pid[i].vid, vid_pid[i].pid);
-
- if ((ret = add_device(i, vid_pid[i].model, &devices)) < 0)
- sr_dbg("Failed to add device: %d.", ret);
+ if ((ret = libusb_open(devlist[i], &hdl)) < 0)
+ continue;
- if ((ret = ftdi_usb_close(ftdic)) < 0)
- sr_dbg("Failed to close FTDI device (%d): %s.",
- ret, ftdi_get_error_string(ftdic));
+ if (des.iProduct == 0) {
+ product[0] = '\0';
+ } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
+ des.iProduct, (unsigned char *)product,
+ sizeof(product))) < 0) {
+ sr_warn("Failed to get product string descriptor: %s.",
+ libusb_error_name(ret));
+ continue;
+ }
+
+ if (des.iSerialNumber == 0) {
+ serial_num[0] = '\0';
+ } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
+ des.iSerialNumber, (unsigned char *)serial_num,
+ sizeof(serial_num))) < 0) {
+ sr_warn("Failed to get serial number string descriptor: %s.",
+ libusb_error_name(ret));
+ continue;
+ }
+
+ usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
+
+ libusb_close(hdl);
+
+ if (!strcmp(product, "ChronoVu LA8")) {
+ model = 0;
+ } else if (!strcmp(product, "ChronoVu LA16")) {
+ model = 1;
+ } else {
+ sr_spew("Unknown iProduct string '%s'.", product);
+ continue;
+ }
+
+ sr_dbg("Found %s (%04x:%04x, %d.%d, %s).",
+ product, des.idVendor, des.idProduct,
+ libusb_get_bus_number(devlist[i]),
+ libusb_get_device_address(devlist[i]), connection_id);
+
+ if ((ret = add_device(model, &des, serial_num, connection_id,
+ devlist[i], &devices)) < 0) {
+ sr_dbg("Failed to add device: %d.", ret);
+ }
}
- /* Close USB device, deinitialize and free the FTDI context. */
- ftdi_free(ftdic);
- ftdic = NULL;
+ libusb_free_device_list(devlist, 1);
+ g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
return devices;
}
-static GSList *dev_list(void)
+static GSList *dev_list(const struct sr_dev_driver *di)
{
- return ((struct drv_context *)(di->priv))->instances;
+ return ((struct drv_context *)(di->context))->instances;
}
static int dev_open(struct sr_dev_inst *sdi)
struct dev_context *devc;
int ret;
- ret = SR_ERR;
-
if (!(devc = sdi->priv))
return SR_ERR_BUG;
sdi->status = SR_ST_ACTIVE;
- return SR_OK;
+ if (ret == SR_OK)
+ return SR_OK;
err_ftdi_free:
ftdi_free(devc->ftdic); /* Close device (if open), free FTDI context. */
return SR_OK;
}
-static int cleanup(void)
+static int cleanup(const struct sr_dev_driver *di)
{
- return dev_clear();
+ return dev_clear(di);
}
-static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
+static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ char str[128];
(void)cg;
- switch (id) {
+ switch (key) {
+ case SR_CONF_CONN:
+ if (!sdi || !(usb = sdi->conn))
+ return SR_ERR_ARG;
+ snprintf(str, 128, "%d.%d", usb->bus, usb->address);
+ *data = g_variant_new_string(str);
+ break;
case SR_CONF_SAMPLERATE:
if (!sdi || !(devc = sdi->priv))
return SR_ERR_BUG;
return SR_OK;
}
-static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
struct dev_context *devc;
if (!(devc = sdi->priv))
return SR_ERR_BUG;
- switch (id) {
+ switch (key) {
case SR_CONF_SAMPLERATE:
if (cv_set_samplerate(sdi, g_variant_get_uint64(data)) < 0)
return SR_ERR;
return SR_OK;
}
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
GVariant *gvar, *grange[2];
(void)cg;
switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
+ break;
case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+ if (!sdi)
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
+ else
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
break;
case SR_CONF_SAMPLERATE:
if (!sdi || !sdi->priv || !(devc = sdi->priv))
devc->cb_data = cb_data;
- /* Send header packet to the session bus. */
std_session_send_df_header(sdi, LOG_PREFIX);
/* Time when we should be done (for detecting trigger timeouts). */
devc->trigger_found = 0;
/* Hook up a dummy handler to receive data from the device. */
- sr_session_source_add(sdi->session, -1, G_IO_IN, 0, receive_data, (void *)sdi);
+ sr_session_source_add(sdi->session, -1, 0, 0, receive_data, (void *)sdi);
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
- struct sr_datafeed_packet packet;
-
(void)cb_data;
sr_dbg("Stopping acquisition.");
sr_session_source_remove(sdi->session, -1);
-
- /* Send end packet to the session bus. */
- sr_dbg("Sending SR_DF_END.");
- packet.type = SR_DF_END;
- sr_session_send(sdi, &packet);
+ std_session_send_df_end(sdi, LOG_PREFIX);
return SR_OK;
}
.dev_close = dev_close,
.dev_acquisition_start = dev_acquisition_start,
.dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
+ .context = NULL,
};
projects / libsigrok.git / blobdiff