* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <config.h>
#include <string.h>
#include "protocol.h"
#define USB_CONN "1041.8101"
-#define VENDOR "Kecheng"
#define USB_INTERFACE 0
-static const uint32_t hwcaps[] = {
+static const uint32_t drvopts[] = {
SR_CONF_SOUNDLEVELMETER,
- SR_CONF_LIMIT_SAMPLES,
+};
+
+static const uint32_t devopts[] = {
SR_CONF_CONTINUOUS,
- SR_CONF_DATALOG,
- SR_CONF_SPL_WEIGHT_FREQ,
- SR_CONF_SPL_WEIGHT_TIME,
- SR_CONF_DATA_SOURCE,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_SAMPLE_INTERVAL | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_DATALOG | SR_CONF_GET,
+ SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};
SR_PRIV const uint64_t kecheng_kc_330b_sample_intervals[][2] = {
};
static const char *weight_freq[] = {
- "A",
- "C",
+ "A", "C",
};
static const char *weight_time[] = {
- "F",
- "S",
+ "F", "S",
};
static const char *data_sources[] = {
- "Live",
- "Memory",
+ "Live", "Memory",
};
-SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info;
-static struct sr_dev_driver *di = &kecheng_kc_330b_driver_info;
-
-
-static int init(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static int scan_kecheng(struct sr_usb_dev_inst *usb, char **model)
+static int scan_kecheng(struct sr_dev_driver *di,
+ struct sr_usb_dev_inst *usb, char **model)
{
struct drv_context *drvc;
int len, ret;
unsigned char cmd, buf[32];
- drvc = di->priv;
+ drvc = di->context;
if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
return SR_ERR;
return SR_OK;
}
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_dev_inst *sdi;
- struct sr_channel *ch;
GSList *usb_devices, *devices, *l;
char *model;
(void)options;
- drvc = di->priv;
- drvc->instances = NULL;
+ drvc = di->context;
devices = NULL;
if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_CONN))) {
/* We have a list of sr_usb_dev_inst matching the connection
* string. Wrap them in sr_dev_inst and we're done. */
for (l = usb_devices; l; l = l->next) {
- if (scan_kecheng(l->data, &model) != SR_OK)
+ if (scan_kecheng(di, l->data, &model) != SR_OK)
continue;
- if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, VENDOR,
- model, NULL)))
- return NULL;
- g_free(model);
- sdi->driver = di;
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sdi->status = SR_ST_INACTIVE;
+ sdi->vendor = g_strdup("Kecheng");
+ sdi->model = model; /* Already g_strndup()'d. */
sdi->inst_type = SR_INST_USB;
sdi->conn = l->data;
- if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "SPL")))
- return NULL;
- sdi->channels = g_slist_append(sdi->channels, ch);
-
- if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
- sr_dbg("Device context malloc failed.");
- return NULL;
- }
+ sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
+ devc = g_malloc0(sizeof(struct dev_context));
sdi->priv = devc;
devc->limit_samples = 0;
/* The protocol provides no way to read the current
/* TODO: Set date/time? */
- 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 GSList *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
+ return std_scan_complete(di, devices);
}
static int dev_open(struct sr_dev_inst *sdi)
{
- struct drv_context *drvc;
+ struct sr_dev_driver *di = sdi->driver;
+ struct drv_context *drvc = di->context;
struct sr_usb_dev_inst *usb;
int ret;
- if (!(drvc = di->priv)) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
usb = sdi->conn;
if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
sr_err("Failed to claim interface: %s.", libusb_error_name(ret));
return SR_ERR;
}
- sdi->status = SR_ST_ACTIVE;
- return ret;
+ return SR_OK;
}
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;
- }
-
usb = sdi->conn;
if (!usb->devhdl)
- /* Nothing to do. */
- return SR_OK;
+ return SR_ERR_BUG;
/* This allows a frontend to configure the device without ever
* doing an acquisition step. */
libusb_release_interface(usb->devhdl, USB_INTERFACE);
libusb_close(usb->devhdl);
usb->devhdl = NULL;
- sdi->status = SR_ST_INACTIVE;
return SR_OK;
}
-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;
-
-
- ret = std_dev_clear(di, NULL);
- g_free(drvc);
- di->priv = NULL;
-
- return ret;
-}
-
-static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
+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;
- GVariant *rational[2];
const uint64_t *si;
(void)cg;
break;
case SR_CONF_SAMPLE_INTERVAL:
si = kecheng_kc_330b_sample_intervals[devc->sample_interval];
- rational[0] = g_variant_new_uint64(si[0]);
- rational[1] = g_variant_new_uint64(si[1]);
- *data = g_variant_new_tuple(rational, 2);
+ *data = std_gvar_tuple_u64(si[0], si[1]);
break;
case SR_CONF_DATALOG:
/* There really isn't a way to be sure the device is logging. */
return SR_ERR_NA;
- break;
case SR_CONF_SPL_WEIGHT_FREQ:
if (devc->mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_A)
*data = g_variant_new_string("A");
return SR_OK;
}
-static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
+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;
- uint64_t p, q;
- unsigned int i;
- int tmp, ret;
- const char *tmp_str;
+ int idx;
(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;
- }
-
devc = sdi->priv;
- ret = SR_OK;
switch (key) {
case SR_CONF_LIMIT_SAMPLES:
devc->limit_samples = g_variant_get_uint64(data);
- sr_dbg("Setting sample limit to %" PRIu64 ".",
- devc->limit_samples);
break;
case SR_CONF_SAMPLE_INTERVAL:
- g_variant_get(data, "(tt)", &p, &q);
- for (i = 0; i < ARRAY_SIZE(kecheng_kc_330b_sample_intervals); i++) {
- if (kecheng_kc_330b_sample_intervals[i][0] != p || kecheng_kc_330b_sample_intervals[i][1] != q)
- continue;
- devc->sample_interval = i;
- devc->config_dirty = TRUE;
- break;
- }
- if (i == ARRAY_SIZE(kecheng_kc_330b_sample_intervals))
- ret = SR_ERR_ARG;
+ if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(kecheng_kc_330b_sample_intervals))) < 0)
+ return SR_ERR_ARG;
+ devc->sample_interval = idx;
+ devc->config_dirty = TRUE;
break;
case SR_CONF_SPL_WEIGHT_FREQ:
- tmp_str = g_variant_get_string(data, NULL);
- if (!strcmp(tmp_str, "A"))
- tmp = SR_MQFLAG_SPL_FREQ_WEIGHT_A;
- else if (!strcmp(tmp_str, "C"))
- tmp = SR_MQFLAG_SPL_FREQ_WEIGHT_C;
- else
+ if ((idx = std_str_idx(data, ARRAY_AND_SIZE(weight_freq))) < 0)
return SR_ERR_ARG;
devc->mqflags &= ~(SR_MQFLAG_SPL_FREQ_WEIGHT_A | SR_MQFLAG_SPL_FREQ_WEIGHT_C);
- devc->mqflags |= tmp;
+ devc->mqflags |= (weight_freq[idx][0] == 'A') ? SR_MQFLAG_SPL_FREQ_WEIGHT_A : SR_MQFLAG_SPL_FREQ_WEIGHT_C;
devc->config_dirty = TRUE;
break;
case SR_CONF_SPL_WEIGHT_TIME:
- tmp_str = g_variant_get_string(data, NULL);
- if (!strcmp(tmp_str, "F"))
- tmp = SR_MQFLAG_SPL_TIME_WEIGHT_F;
- else if (!strcmp(tmp_str, "S"))
- tmp = SR_MQFLAG_SPL_TIME_WEIGHT_S;
- else
+ if ((idx = std_str_idx(data, ARRAY_AND_SIZE(weight_time))) < 0)
return SR_ERR_ARG;
devc->mqflags &= ~(SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_TIME_WEIGHT_S);
- devc->mqflags |= tmp;
+ devc->mqflags |= (weight_time[idx][0] == 'F') ? SR_MQFLAG_SPL_TIME_WEIGHT_F : SR_MQFLAG_SPL_TIME_WEIGHT_S;
devc->config_dirty = TRUE;
break;
case SR_CONF_DATA_SOURCE:
- tmp_str = g_variant_get_string(data, NULL);
- if (!strcmp(tmp_str, "Live"))
- devc->data_source = DATA_SOURCE_LIVE;
- else if (!strcmp(tmp_str, "Memory"))
- devc->data_source = DATA_SOURCE_MEMORY;
- else
- return SR_ERR;
+ if ((idx = std_str_idx(data, ARRAY_AND_SIZE(data_sources))) < 0)
+ return SR_ERR_ARG;
+ devc->data_source = idx;
devc->config_dirty = TRUE;
break;
default:
- ret = SR_ERR_NA;
+ return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
-static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
+static int config_list(uint32_t key, GVariant **data,
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
- GVariant *tuple, *rational[2];
- GVariantBuilder gvb;
- unsigned int i;
-
- (void)sdi;
- (void)cg;
-
switch (key) {
case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- hwcaps, ARRAY_SIZE(hwcaps), sizeof(uint32_t));
- break;
+ return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, drvopts, devopts);
case SR_CONF_SAMPLE_INTERVAL:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
- for (i = 0; i < ARRAY_SIZE(kecheng_kc_330b_sample_intervals); i++) {
- rational[0] = g_variant_new_uint64(kecheng_kc_330b_sample_intervals[i][0]);
- rational[1] = g_variant_new_uint64(kecheng_kc_330b_sample_intervals[i][1]);
- tuple = g_variant_new_tuple(rational, 2);
- g_variant_builder_add_value(&gvb, tuple);
- }
- *data = g_variant_builder_end(&gvb);
+ *data = std_gvar_tuple_array(ARRAY_AND_SIZE(kecheng_kc_330b_sample_intervals));
break;
case SR_CONF_SPL_WEIGHT_FREQ:
- *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
+ *data = g_variant_new_strv(ARRAY_AND_SIZE(weight_freq));
break;
case SR_CONF_SPL_WEIGHT_TIME:
- *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
+ *data = g_variant_new_strv(ARRAY_AND_SIZE(weight_time));
break;
case SR_CONF_DATA_SOURCE:
- *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
+ *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources));
break;
default:
return SR_ERR_NA;
return SR_OK;
}
-static int dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
+ struct sr_dev_driver *di = sdi->driver;
struct drv_context *drvc;
struct dev_context *devc;
struct sr_datafeed_packet packet;
struct sr_datafeed_meta meta;
struct sr_config *src;
struct sr_usb_dev_inst *usb;
- GVariant *gvar, *rational[2];
+ GVariant *gvar;
const uint64_t *si;
- int stored_mqflags, req_len, buf_len, len, ret;
+ int req_len, buf_len, len, ret;
unsigned char buf[9];
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- drvc = di->priv;
+ drvc = di->context;
devc = sdi->priv;
usb = sdi->conn;
- devc->cb_data = cb_data;
devc->num_samples = 0;
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
+ std_session_send_df_header(sdi);
if (devc->data_source == DATA_SOURCE_LIVE) {
/* Force configuration. */
} else {
if (kecheng_kc_330b_log_info_get(sdi, buf) != SR_OK)
return SR_ERR;
- stored_mqflags = buf[4] ? SR_MQFLAG_SPL_TIME_WEIGHT_S : SR_MQFLAG_SPL_TIME_WEIGHT_F;
- stored_mqflags |= buf[5] ? SR_MQFLAG_SPL_FREQ_WEIGHT_C : SR_MQFLAG_SPL_FREQ_WEIGHT_A;
+ devc->mqflags = buf[4] ? SR_MQFLAG_SPL_TIME_WEIGHT_S : SR_MQFLAG_SPL_TIME_WEIGHT_F;
+ devc->mqflags |= buf[5] ? SR_MQFLAG_SPL_FREQ_WEIGHT_C : SR_MQFLAG_SPL_FREQ_WEIGHT_A;
devc->stored_samples = (buf[7] << 8) | buf[8];
if (devc->stored_samples == 0) {
/* Notify frontend of empty log by sending start/end packets. */
- packet.type = SR_DF_END;
- sr_session_send(cb_data, &packet);
+ std_session_send_df_end(sdi);
return SR_OK;
}
devc->stored_samples = devc->limit_samples;
si = kecheng_kc_330b_sample_intervals[buf[1]];
- rational[0] = g_variant_new_uint64(si[0]);
- rational[1] = g_variant_new_uint64(si[1]);
- gvar = g_variant_new_tuple(rational, 2);
+ gvar = std_gvar_tuple_u64(si[0], si[1]);
+
src = sr_config_new(SR_CONF_SAMPLE_INTERVAL, gvar);
packet.type = SR_DF_META;
packet.payload = &meta;
meta.config = g_slist_append(NULL, src);
- sr_session_send(devc->cb_data, &packet);
- g_free(src);
+ sr_session_send(sdi, &packet);
+ g_slist_free(meta.config);
+ sr_config_free(src);
}
if (!(devc->xfer = libusb_alloc_transfer(0)))
return SR_OK;
}
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
- (void)cb_data;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
/* Signal USB transfer handler to clean up and stop. */
sdi->status = SR_ST_STOPPING;
return SR_OK;
}
-SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info = {
+static struct sr_dev_driver kecheng_kc_330b_driver_info = {
.name = "kecheng-kc-330b",
.longname = "Kecheng KC-330B",
.api_version = 1,
- .init = init,
- .cleanup = cleanup,
+ .init = std_init,
+ .cleanup = std_cleanup,
.scan = scan,
- .dev_list = dev_list,
- .dev_clear = NULL,
+ .dev_list = std_dev_list,
+ .dev_clear = std_dev_clear,
.config_get = config_get,
.config_set = config_set,
.config_list = config_list,
.dev_close = dev_close,
.dev_acquisition_start = dev_acquisition_start,
.dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
+ .context = NULL,
};
+SR_REGISTER_DEV_DRIVER(kecheng_kc_330b_driver_info);
projects / libsigrok.git / blobdiff