X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-util.git;a=blobdiff_plain;f=source%2Fdrv-api.c;h=824027f962c9c265746ea73e96e736fa4c6c9fea;hp=dbeea02fc826207e771ed104d85f84228202362c;hb=4dfd6eced5f2a8c5136bee4d76f25ef304bee643;hpb=2ef7b331cd4468e128c823cc7a055bdef97ee33b diff --git a/source/drv-api.c b/source/drv-api.c index dbeea02..824027f 100644 --- a/source/drv-api.c +++ b/source/drv-api.c @@ -17,157 +17,156 @@ * along with this program. If not, see . */ -#include -#include "libsigrok.h" -#include "libsigrok-internal.h" +#include #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_dev_driver *di, struct sr_context *sr_ctx) +{ + return std_init(sr_ctx, di, LOG_PREFIX); +} + +static GSList *scan(struct sr_dev_driver *di, GSList *options) { - struct sr_dev_inst *sdi; struct drv_context *drvc; - struct dev_context *devc; - GSList *l; + GSList *devices; - drvc = di->priv; - for (l = drvc->instances; l; l = l->next) { - if (!(sdi = l->data)) - continue; - if (!(devc = sdi->priv)) - continue; + (void)options; - /* TODO */ + devices = NULL; + drvc = di->context; + drvc->instances = NULL; - sr_dev_inst_free(sdi); - } + /* TODO: scan for devices, either based on a SR_CONF_CONN option + * or on a USB scan. */ - g_slist_free(drvc->instances); - drvc->instances = NULL; + return devices; +} - return SR_OK; +static GSList *dev_list(const struct sr_dev_driver *di) +{ + return ((struct drv_context *)(di->context))->instances; } -static int hw_init(void) +static int dev_clear(const struct sr_dev_driver *di) { - struct drv_context *drvc; + return std_dev_clear(di, NULL); +} - if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { - sr_err("Driver context malloc failed."); - return SR_ERR; - } +static int dev_open(struct sr_dev_inst *sdi) +{ + (void)sdi; - /* TODO */ + /* TODO: get handle from sdi->conn and open it. */ - di->priv = drvc; + sdi->status = SR_ST_ACTIVE; return SR_OK; } -static GSList *hw_scan(GSList *options) +static int dev_close(struct sr_dev_inst *sdi) { - struct drv_context *drvc; - GSList *devices; + (void)sdi; - (void)options; + /* TODO: get handle from sdi->conn and close it. */ - devices = NULL; - drvc = di->priv; - drvc->instances = NULL; - - /* TODO */ + sdi->status = SR_ST_INACTIVE; - return devices; + return SR_OK; } -static GSList *hw_dev_list(void) +static int cleanup(const struct sr_dev_driver *di) { - struct drv_context *drvc; + dev_clear(di); - drvc = di->priv; + /* TODO: free other driver resources, if any. */ - return drvc->instances; + return SR_OK; } -static int hw_dev_open(struct sr_dev_inst *sdi) +static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { - /* TODO */ + int ret; - return SR_OK; -} + (void)sdi; + (void)data; + (void)cg; -static int hw_dev_close(struct sr_dev_inst *sdi) -{ + ret = SR_OK; + switch (key) { /* TODO */ + default: + return SR_ERR_NA; + } - return SR_OK; + return ret; } -static int hw_cleanup(void) +static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, + const struct sr_channel_group *cg) { - clear_instances(); + int ret; - /* TODO */ + (void)data; + (void)cg; - return SR_OK; -} + if (sdi->status != SR_ST_ACTIVE) + return SR_ERR_DEV_CLOSED; -static int hw_info_get(int info_id, const void **data, - const struct sr_dev_inst *sdi) -{ - switch (info_id) { + ret = SR_OK; + switch (key) { /* TODO */ default: - sr_err("Unknown info_id: %d.", info_id); - return SR_ERR_ARG; + ret = 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_list(uint32_t 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)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, - void *cb_data) +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, - .priv = NULL, + .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, + .context = NULL, };