* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <glib.h>
-#include <errno.h>
-#include <string.h>
-#include <fcntl.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
#include "protocol.h"
-static const int hwopts[] = {
+static const int32_t hwopts[] = {
SR_CONF_CONN,
SR_CONF_SERIALCOMM,
- 0,
};
-static const int hwcaps[] = {
+static const int32_t hwcaps[] = {
SR_CONF_MULTIMETER,
SR_CONF_LIMIT_SAMPLES,
SR_CONF_CONTINUOUS,
SR_CONF_LIMIT_MSEC,
- 0,
};
-SR_PRIV struct sr_dev_driver brymen_dmm_driver_info;
-static struct sr_dev_driver *di = &brymen_dmm_driver_info;
+SR_PRIV struct sr_dev_driver brymen_bm857_driver_info;
+static struct sr_dev_driver *di = &brymen_bm857_driver_info;
-static int hw_init(struct sr_context *sr_ctx)
+static int init(struct sr_context *sr_ctx)
{
- 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 void free_instance(void *inst)
-{
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- if (!(sdi = inst))
- return;
- if (!(devc = sdi->priv))
- return;
- sr_serial_dev_inst_free(devc->serial);
- sr_dev_inst_free(sdi);
-}
-
-/* Properly close and free all devices. */
-static int clear_instances(void)
-{
- struct drv_context *drvc;
-
- if (!(drvc = di->priv))
- return SR_OK;
-
- g_slist_free_full(drvc->instances, free_instance);
- drvc->instances = NULL;
-
- return SR_OK;
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
static GSList *brymen_scan(const char *conn, const char *serialcomm)
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)
+ if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
sr_info("Probing port %s.", conn);
devices = NULL;
/* Request reading */
- if (brymen_packet_request(serial) == -1) {
- sr_err("Unable to send command. code: %d.", errno);
+ if ((ret = brymen_packet_request(serial)) < 0) {
+ sr_err("Unable to send command: %d.", ret);
goto scan_cleanup;
}
- uint8_t buf[128];
- size_t len = 128;
-
+ 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;
}
- devc->serial = serial;
+ sdi->inst_type = SR_INST_SERIAL;
+ sdi->conn = serial;
drvc = di->priv;
sdi->priv = devc;
sdi->driver = di;
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)
+static GSList *scan(GSList *options)
{
struct drv_context *drvc;
struct sr_config *src;
GSList *devices, *l;
const char *conn, *serialcomm;
- (void)options;
-
devices = NULL;
drvc = di->priv;
drvc->instances = NULL;
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;
+ 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) {
+ if (!conn)
return NULL;
- }
if (serialcomm) {
/* Use the provided comm specs. */
devices = brymen_scan(conn, serialcomm);
} else {
- /* But 9600 8N1 should work all of the time */
+ /* But 9600/8n1 should work all of the time. */
devices = brymen_scan(conn, "9600/8n1/dtr=1/rts=1");
}
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
- struct drv_context *drvc;
-
- drvc = di->priv;
-
- return drvc->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int cleanup(void)
{
- struct dev_context *devc;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
- return SR_ERR;
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
+ return std_dev_clear(di, NULL);
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_probe_group *probe_group)
{
struct dev_context *devc;
+ int ret;
+
+ (void)probe_group;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
if (!(devc = sdi->priv)) {
sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
- if (devc->serial && devc->serial->fd != -1) {
- serial_close(devc->serial);
- sdi->status = SR_ST_INACTIVE;
+ ret = SR_OK;
+ switch (id) {
+ case SR_CONF_LIMIT_SAMPLES:
+ devc->limit_samples = g_variant_get_uint64(data);
+ break;
+ case SR_CONF_LIMIT_MSEC:
+ devc->limit_msec = g_variant_get_uint64(data);
+ break;
+ default:
+ ret = SR_ERR_NA;
}
- return SR_OK;
-}
-
-static int hw_cleanup(void)
-{
- clear_instances();
-
- return SR_OK;
+ return ret;
}
-static int config_list(int key, const void **data,
- const struct sr_dev_inst *sdi)
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_probe_group *probe_group)
{
(void)sdi;
+ (void)probe_group;
switch (key) {
- case SR_CONF_SCAN_OPTIONS:
- *data = hwopts;
- break;
- case SR_CONF_DEVICE_OPTIONS:
- *data = hwcaps;
- break;
- default:
- sr_err("Unknown config key: %d.", key);
- return SR_ERR_ARG;
- }
-
- return SR_OK;
-}
-
-static int hw_dev_config_set(int id, const void *value,
- const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- int ret;
-
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't set config options.");
- return SR_ERR;
- }
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- ret = SR_OK;
- switch (id) {
- case SR_CONF_LIMIT_SAMPLES:
- devc->limit_samples = *(const uint64_t*)value;
+ 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_LIMIT_MSEC:
- devc->limit_msec = *(const uint64_t*)value;
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
break;
default:
- sr_err("Unknown hardware capability: %d.", id);
- ret = SR_ERR_ARG;
+ return SR_ERR_NA;
}
- return ret;
+ return SR_OK;
}
-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 dev_context *devc;
+ struct sr_serial_dev_inst *serial;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
if (!(devc = sdi->priv)) {
sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
- sr_dbg("Starting acquisition.");
-
devc->cb_data = cb_data;
/*
devc->starttime = g_get_monotonic_time();
/* Send header packet to the session bus. */
- sr_dbg("Sending SR_DF_HEADER.");
- packet.type = SR_DF_HEADER;
- packet.payload = &header;
- header.feed_version = 1;
- gettimeofday(&header.starttime, NULL);
- sr_session_send(devc->cb_data, &packet);
+ std_session_send_df_header(cb_data, LOG_PREFIX);
/* Poll every 50ms, or whenever some data comes in. */
- sr_source_add(devc->serial->fd, G_IO_IN, 50,
+ serial = sdi->conn;
+ serial_source_add(serial, G_IO_IN, 50,
brymen_dmm_receive_data, (void *)sdi);
return SR_OK;
}
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
- struct sr_datafeed_packet packet;
- struct dev_context *devc;
-
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't stop acquisition.");
- return SR_ERR;
- }
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- sr_dbg("Stopping acquisition.");
-
- sr_source_remove(devc->serial->fd);
- hw_dev_close((struct sr_dev_inst *)sdi);
-
- /* Send end packet to the session bus. */
- sr_dbg("Sending SR_DF_END.");
- packet.type = SR_DF_END;
- sr_session_send(cb_data, &packet);
-
- return SR_OK;
+ return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
+ sdi->conn, LOG_PREFIX);
}
-SR_PRIV struct sr_dev_driver brymen_dmm_driver_info = {
- .name = "brymen-dmm",
- .longname = "Brymen BM850 series",
+SR_PRIV struct sr_dev_driver brymen_bm857_driver_info = {
+ .name = "brymen-bm857",
+ .longname = "Brymen BM857",
.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,
+ .init = init,
+ .cleanup = cleanup,
+ .scan = scan,
+ .dev_list = dev_list,
+ .dev_clear = NULL,
+ .config_get = NULL,
+ .config_set = config_set,
.config_list = config_list,
- .config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .dev_open = std_serial_dev_open,
+ .dev_close = std_serial_dev_close,
+ .dev_acquisition_start = dev_acquisition_start,
+ .dev_acquisition_stop = dev_acquisition_stop,
.priv = NULL,
};