X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-util.git;a=blobdiff_plain;f=source%2Fdrv-api.c;h=26707b336380b3b4b3cb33947e0d39be78662db9;hp=536c8588c72396ae878c07551b7f4f309e4f02ed;hb=d73e0933046c580cc6d52f7099364a2af6ce141f;hpb=3aef82b35047c072f524a7f6d4ee6ce70df89fb2 diff --git a/source/drv-api.c b/source/drv-api.c index 536c858..26707b3 100644 --- a/source/drv-api.c +++ b/source/drv-api.c @@ -17,48 +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 ${lib}_driver_info; static struct sr_dev_driver *di = &${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; - - 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; - - /* 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(struct sr_context *sr_ctx) -{ - return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); -} - -static GSList *hw_scan(GSList *options) +static GSList *scan(GSList *options) { struct drv_context *drvc; GSList *devices; @@ -69,120 +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) { (void)sdi; - /* TODO */ + /* 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) { (void)sdi; - /* TODO */ + /* 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_config_get(int id, const void **value, - 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) { + int ret; + (void)sdi; - (void)value; + (void)data; + (void)cg; - switch (id) { + ret = SR_OK; + switch (key) { /* TODO */ default: - return SR_ERR_ARG; + return SR_ERR_NA; } - return SR_OK; + return ret; } -static int hw_config_set(int id, const void *value, - const struct sr_dev_inst *sdi) +static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { - (void)value; - 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 (id) { + switch (key) { /* TODO */ default: - sr_err("Unknown hardware capability: %d.", id); - ret = SR_ERR_ARG; + ret = SR_ERR_NA; } return ret; } -static int hw_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_channel_group *cg) { + int ret; + (void)sdi; (void)data; + (void)cg; + ret = SR_OK; switch (key) { + /* TODO */ default: - return SR_ERR_ARG; + return SR_ERR_NA; } - return SR_OK; + 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) { (void)sdi; (void)cb_data; - /* TODO */ + 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(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; } @@ -191,17 +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, - .config_get = hw_config_get, - .config_set = hw_config_set, - .config_list = hw_config_list, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .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, };