X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-util.git;a=blobdiff_plain;f=source%2Fdrv-api.c;h=26707b336380b3b4b3cb33947e0d39be78662db9;hp=671149bd6fa4230d1d88de29632df177760540e6;hb=d73e0933046c580cc6d52f7099364a2af6ce141f;hpb=f3f6a56101d98c180b0e62027da1969b16decc6a
diff --git a/source/drv-api.c b/source/drv-api.c
index 671149b..26707b3 100644
--- a/source/drv-api.c
+++ b/source/drv-api.c
@@ -17,57 +17,17 @@
* along with this program. If not, see .
*/
-#include
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
#include "protocol.h"
-SR_PRIV struct sr_dev_driver driver_info;
+SR_PRIV struct sr_dev_driver ${lib}_driver_info;
static struct sr_dev_driver *di = &${lib}_driver_info;
-/* 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;
-
- drvc = di->priv;
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data))
- continue;
- if (!(devc = sdi->priv))
- continue;
-
- /* TODO */
-
- 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(void)
-{
- struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
- return SR_ERR;
- }
-
- /* TODO */
-
- di->priv = drvc;
-
- return SR_OK;
-}
-
-static GSList *hw_scan(GSList *options)
+static GSList *scan(GSList *options)
{
struct drv_context *drvc;
GSList *devices;
@@ -78,96 +38,135 @@ static GSList *hw_scan(GSList *options)
drvc = di->priv;
drvc->instances = NULL;
- /* TODO */
+ /* TODO: scan for devices, either based on a SR_CONF_CONN option
+ * or on a USB scan. */
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
- struct drv_context *drvc;
-
- drvc = di->priv;
+ return ((struct drv_context *)(di->priv))->instances;
+}
- return drvc->instances;
+static int dev_clear(void)
+{
+ return std_dev_clear(di, NULL);
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int dev_open(struct sr_dev_inst *sdi)
{
- /* TODO */
+ (void)sdi;
+
+ /* TODO: get handle from sdi->conn and open it. */
+
+ sdi->status = SR_ST_ACTIVE;
return SR_OK;
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int dev_close(struct sr_dev_inst *sdi)
{
- /* TODO */
+ (void)sdi;
+
+ /* TODO: get handle from sdi->conn and close it. */
+
+ sdi->status = SR_ST_INACTIVE;
return SR_OK;
}
-static int hw_cleanup(void)
+static int cleanup(void)
{
- clear_instances();
+ dev_clear();
- /* TODO */
+ /* TODO: free other driver resources, if any. */
return SR_OK;
}
-static int hw_info_get(int info_id, const void **data,
- const struct sr_dev_inst *sdi)
+static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
- switch (info_id) {
+ int ret;
+
+ (void)sdi;
+ (void)data;
+ (void)cg;
+
+ ret = SR_OK;
+ switch (key) {
/* TODO */
default:
- sr_err("Unknown info_id: %d.", info_id);
- return SR_ERR_ARG;
+ return SR_ERR_NA;
}
- return SR_OK;
+ return ret;
}
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
+static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
int ret;
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't set config options.");
- return SR_ERR;
+ (void)data;
+ (void)cg;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ ret = SR_OK;
+ switch (key) {
+ /* TODO */
+ default:
+ 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)
+{
+ int ret;
+
+ (void)sdi;
+ (void)data;
+ (void)cg;
+
ret = SR_OK;
- switch (hwcap) {
+ switch (key) {
/* TODO */
default:
- sr_err("Unknown hardware capability: %d.", hwcap);
- ret = SR_ERR_ARG;
+ return SR_ERR_NA;
}
return ret;
}
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
+static int dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
- /* TODO */
+ (void)sdi;
+ (void)cb_data;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ /* TODO: configure hardware, reset acquisition state, set up
+ * callbacks and send header packet. */
return SR_OK;
}
-static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
(void)cb_data;
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't stop acquisition.");
- return SR_ERR;
- }
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
- /* TODO */
+ /* TODO: stop acquisition. */
return SR_OK;
}
@@ -176,16 +175,17 @@ SR_PRIV struct sr_dev_driver ${lib}_driver_info = {
.name = "${short}",
.longname = "${name}",
.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 = dev_clear,
+ .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,
};