#include "libsigrok-internal.h"
#include "protocol.h"
-SR_PRIV struct sr_dev_inst *lascar_scan(int bus, int address);
SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
static struct sr_dev_driver *di = &lascar_el_usb_driver_info;
-static int hw_dev_close(struct sr_dev_inst *sdi);
-static const int hwopts[] = {
- SR_HWOPT_CONN,
- 0,
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
};
-static const int hwcaps[] = {
- SR_HWCAP_THERMOMETER,
- SR_HWCAP_HYGROMETER,
- SR_HWCAP_LIMIT_SAMPLES,
- 0
+static const int32_t hwcaps[] = {
+ SR_CONF_THERMOMETER,
+ SR_CONF_HYGROMETER,
+ SR_CONF_DATALOG,
+ SR_CONF_LIMIT_SAMPLES,
};
-/* Properly close and free all devices. */
-static int clear_instances(void)
+static int init(struct sr_context *sr_ctx)
{
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- GSList *l;
-
- if (!(drvc = di->priv))
- return SR_OK;
-
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data))
- continue;
- if (!(devc = sdi->priv))
- continue;
-
- hw_dev_close(sdi);
- sr_usb_dev_inst_free(devc->usb);
- sr_dev_inst_free(sdi);
- }
-
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
-
- return SR_OK;
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
-static int hw_init(struct sr_context *sr_ctx)
+static GSList *scan(GSList *options)
{
struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- drvc->sr_ctx = sr_ctx;
- di->priv = drvc;
-
- return SR_OK;
-}
-
-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_hwopt *opt;
+ struct sr_config *src;
GSList *usb_devices, *devices, *l;
const char *conn;
- (void)options;
-
- if (!(drvc = di->priv)) {
- sr_err("Driver was not initialized.");
- return NULL;
- }
-
- /* USB scan is always authoritative. */
- clear_instances();
+ drvc = di->priv;
conn = NULL;
for (l = options; l; l = l->next) {
- opt = l->data;
- switch (opt->hwopt) {
- case SR_HWOPT_CONN:
- conn = opt->value;
+ src = l->data;
+ switch (src->key) {
+ case SR_CONF_CONN:
+ conn = g_variant_get_string(src->data, NULL);
break;
}
}
g_free(usb);
continue;
}
- devc = sdi->priv;
- devc->usb = usb;
+ 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 GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
- struct drv_context *drvc;
-
- if (!(drvc = di->priv)) {
- sr_err("Driver was not initialized.");
- return NULL;
- }
-
- return drvc->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int dev_open(struct sr_dev_inst *sdi)
{
struct drv_context *drvc;
- struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
int ret;
if (!(drvc = di->priv)) {
return SR_ERR;
}
- devc = sdi->priv;
- if (sr_usb_open(drvc->sr_ctx->libusb_ctx, devc->usb) != SR_OK)
+ usb = sdi->conn;
+
+ if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
return SR_ERR;
- if ((ret = libusb_claim_interface(devc->usb->devhdl, LASCAR_INTERFACE))) {
+ if ((ret = libusb_claim_interface(usb->devhdl, LASCAR_INTERFACE))) {
sr_err("Failed to claim interface: %s.", libusb_error_name(ret));
return SR_ERR;
}
return ret;
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int dev_close(struct sr_dev_inst *sdi)
{
- struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
if (!di->priv) {
sr_err("Driver was not initialized.");
return SR_ERR;
}
- devc = sdi->priv;
- if (!devc->usb->devhdl)
+ usb = sdi->conn;
+
+ if (!usb->devhdl)
/* Nothing to do. */
return SR_OK;
- libusb_release_interface(devc->usb->devhdl, LASCAR_INTERFACE);
- libusb_close(devc->usb->devhdl);
- devc->usb->devhdl = NULL;
- g_free(devc->config);
+ libusb_release_interface(usb->devhdl, LASCAR_INTERFACE);
+ libusb_close(usb->devhdl);
+ usb->devhdl = NULL;
sdi->status = SR_ST_INACTIVE;
-
return SR_OK;
}
-static int hw_cleanup(void)
+static int cleanup(void)
{
+ int ret;
struct drv_context *drvc;
if (!(drvc = di->priv))
/* Can get called on an unused driver, doesn't matter. */
return SR_OK;
- clear_instances();
+
+ ret = std_dev_clear(di, NULL);
g_free(drvc);
di->priv = NULL;
- return SR_OK;
+ return ret;
}
-static int hw_info_get(int info_id, const void **data,
- const struct sr_dev_inst *sdi)
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
- (void)sdi;
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ int ret;
+ char str[128];
+
+ (void)cg;
- switch (info_id) {
- case SR_DI_HWOPTS:
- *data = hwopts;
+ devc = sdi->priv;
+ switch (id) {
+ case SR_CONF_CONN:
+ if (!sdi || !sdi->conn)
+ return SR_ERR_ARG;
+ usb = sdi->conn;
+ snprintf(str, 128, "%d.%d", usb->bus, usb->address);
+ *data = g_variant_new_string(str);
+ break;
+ case SR_CONF_DATALOG:
+ if (!sdi)
+ return SR_ERR_ARG;
+ if ((ret = lascar_is_logging(sdi)) == -1)
+ return SR_ERR;
+ *data = g_variant_new_boolean(ret ? TRUE : FALSE);
break;
- case SR_DI_HWCAPS:
- *data = hwcaps;
+ case SR_CONF_LIMIT_SAMPLES:
+ *data = g_variant_new_uint64(devc->limit_samples);
break;
default:
- return SR_ERR_ARG;
+ return SR_ERR_NA;
}
return SR_OK;
}
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
struct dev_context *devc;
int ret;
+ (void)cg;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
if (!di->priv) {
sr_err("Driver was not initialized.");
return SR_ERR;
}
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't set config options.");
- return SR_ERR;
- }
devc = sdi->priv;
ret = SR_OK;
- switch (hwcap) {
- case SR_HWCAP_LIMIT_SAMPLES:
- devc->limit_samples = *(const uint64_t *)value;
+ switch (id) {
+ case SR_CONF_DATALOG:
+ if (g_variant_get_boolean(data)) {
+ /* Start logging. */
+ ret = lascar_start_logging(sdi);
+ } else {
+ /* Stop logging. */
+ ret = lascar_stop_logging(sdi);
+ }
+ break;
+ case SR_CONF_LIMIT_SAMPLES:
+ devc->limit_samples = g_variant_get_uint64(data);
sr_dbg("Setting sample limit to %" PRIu64 ".",
devc->limit_samples);
break;
default:
- sr_err("Unknown hardware capability: %d.", hwcap);
- ret = SR_ERR_ARG;
+ ret = SR_ERR_NA;
}
return ret;
}
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
+{
+ (void)sdi;
+ (void)cg;
+
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+
+ return SR_OK;
+}
+
static void mark_xfer(struct libusb_transfer *xfer)
{
static int lascar_proc_config(const struct sr_dev_inst *sdi)
{
struct dev_context *devc;
- int ret;
+ struct sr_usb_dev_inst *usb;
+ int dummy, ret;
devc = sdi->priv;
- if (!(devc->config = lascar_get_config(devc->usb->devhdl)))
+ usb = sdi->conn;
+
+ if (lascar_get_config(usb->devhdl, devc->config, &dummy) != SR_OK)
return SR_ERR;
ret = SR_OK;
return ret;
}
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
struct sr_datafeed_packet packet;
- struct sr_datafeed_header header;
- struct sr_datafeed_meta_analog meta;
+ struct sr_datafeed_meta meta;
+ struct sr_config *src;
struct dev_context *devc;
- struct drv_context *drvc = di->priv;
+ struct drv_context *drvc;
+ struct sr_usb_dev_inst *usb;
struct libusb_transfer *xfer_in, *xfer_out;
- const struct libusb_pollfd **pfd;
struct timeval tv;
- int ret, i;
+ uint64_t interval;
+ int ret;
unsigned char cmd[3], resp[4], *buf;
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
if (!di->priv) {
sr_err("Driver was not initialized.");
return SR_ERR;
}
+ drvc = di->priv;
devc = sdi->priv;
+ usb = sdi->conn;
devc->cb_data = cb_data;
if (lascar_proc_config(sdi) != SR_OK)
sr_dbg("Starting log retrieval.");
/* Send header packet to the session bus. */
- sr_dbg("Sending SR_DF_HEADER.");
- packet.type = SR_DF_HEADER;
- packet.payload = (uint8_t *)&header;
- header.feed_version = 1;
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ interval = (devc->config[0x1c] | (devc->config[0x1d] << 8)) * 1000;
+ packet.type = SR_DF_META;
+ packet.payload = &meta;
+ src = sr_config_new(SR_CONF_SAMPLE_INTERVAL, g_variant_new_uint64(interval));
+ meta.config = g_slist_append(NULL, src);
sr_session_send(devc->cb_data, &packet);
+ g_free(src);
if (devc->logged_samples == 0) {
/* This ensures the frontend knows the session is done. */
!(xfer_out = libusb_alloc_transfer(0)))
return SR_ERR;
- libusb_control_transfer(devc->usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR,
+ libusb_control_transfer(usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR,
0x00, 0xffff, 0x00, NULL, 0, 50);
- libusb_control_transfer(devc->usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR,
+ libusb_control_transfer(usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR,
0x02, 0x0002, 0x00, NULL, 0, 50);
- libusb_control_transfer(devc->usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR,
+ libusb_control_transfer(usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR,
0x02, 0x0001, 0x00, NULL, 0, 50);
/* Flush input. The F321 requires this. */
- while (libusb_bulk_transfer(devc->usb->devhdl, LASCAR_EP_IN, resp,
+ while (libusb_bulk_transfer(usb->devhdl, LASCAR_EP_IN, resp,
256, &ret, 5) == 0 && ret > 0)
;
- libusb_fill_bulk_transfer(xfer_in, devc->usb->devhdl, LASCAR_EP_IN,
+ libusb_fill_bulk_transfer(xfer_in, usb->devhdl, LASCAR_EP_IN,
resp, sizeof(resp), mark_xfer, 0, 10000);
if (libusb_submit_transfer(xfer_in) != 0) {
libusb_free_transfer(xfer_in);
cmd[0] = 0x03;
cmd[1] = 0xff;
cmd[2] = 0xff;
- libusb_fill_bulk_transfer(xfer_out, devc->usb->devhdl, LASCAR_EP_OUT,
+ libusb_fill_bulk_transfer(xfer_out, usb->devhdl, LASCAR_EP_OUT,
cmd, 3, mark_xfer, 0, 100);
if (libusb_submit_transfer(xfer_out) != 0) {
libusb_free_transfer(xfer_in);
devc->log_size = xfer_in->buffer[1] + (xfer_in->buffer[2] << 8);
libusb_free_transfer(xfer_out);
- /* Send metadata about the SR_DF_ANALOG packets to come. */
- packet.type = SR_DF_META_ANALOG;
- packet.payload = &meta;
- meta.num_probes = 1;
- sr_session_send(devc->cb_data, &packet);
-
- pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
- for (i = 0; pfd[i]; i++) {
- /* Handle USB events every 100ms, for decent latency. */
- sr_source_add(pfd[i]->fd, pfd[i]->events, 100,
- lascar_el_usb_handle_events, (void *)sdi);
- /* We'll need to remove this fd later. */
- devc->usbfd[i] = pfd[i]->fd;
- }
- devc->usbfd[i] = -1;
+ usb_source_add(sdi->session, drvc->sr_ctx, 100,
+ lascar_el_usb_handle_events, (void *)sdi);
buf = g_try_malloc(4096);
- libusb_fill_bulk_transfer(xfer_in, devc->usb->devhdl, LASCAR_EP_IN,
+ libusb_fill_bulk_transfer(xfer_in, usb->devhdl, LASCAR_EP_IN,
buf, 4096, lascar_el_usb_receive_transfer, cb_data, 100);
if ((ret = libusb_submit_transfer(xfer_in) != 0)) {
sr_err("Unable to submit transfer: %s.", libusb_error_name(ret));
return SR_OK;
}
-SR_PRIV int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
(void)cb_data;
.name = "lascar-el-usb",
.longname = "Lascar EL-USB",
.api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .init = init,
+ .cleanup = cleanup,
+ .scan = scan,
+ .dev_list = dev_list,
+ .dev_clear = NULL,
+ .config_get = config_get,
+ .config_set = config_set,
+ .config_list = config_list,
+ .dev_open = dev_open,
+ .dev_close = dev_close,
+ .dev_acquisition_start = dev_acquisition_start,
+ .dev_acquisition_stop = dev_acquisition_stop,
.priv = NULL,
};
projects / libsigrok.git / blobdiff