X-Git-Url: https://sigrok.org/gitweb/?p=sigrok-util.git;a=blobdiff_plain;f=source%2Fdrv-api.c;h=26707b336380b3b4b3cb33947e0d39be78662db9;hp=e9b046c271f3a75220a06b63bde72172dbea83d0;hb=d73e0933046c580cc6d52f7099364a2af6ce141f;hpb=a65d66c08881d65a6d6e37be8efc1a24e4f60592 diff --git a/source/drv-api.c b/source/drv-api.c index e9b046c..26707b3 100644 --- a/source/drv-api.c +++ b/source/drv-api.c @@ -1,5 +1,5 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * * Copyright (C) ${year} ${author} <${email}> * @@ -17,160 +17,156 @@ * along with this program. If not, see . */ -#include -#include "libsigrok.h" -#include "libsigrok-internal.h" -#include "config.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("${short}: 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; (void)options; + devices = NULL; 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) { + dev_clear(); - clear_instances(); - - /* 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) { + int ret; + (void)sdi; + (void)data; + (void)cg; - switch (info_id) { + ret = SR_OK; + switch (key) { /* TODO */ default: - 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; + (void)data; + (void)cg; + if (sdi->status != SR_ST_ACTIVE) - return SR_ERR; + return SR_ERR_DEV_CLOSED; ret = SR_OK; - switch (hwcap) { + switch (key) { /* TODO */ default: - ret = SR_ERR_ARG; + ret = SR_ERR_NA; } return ret; } -static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) +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_NA; + } - return SR_OK; + return ret; } -static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi, - void *cb_data) +static int dev_acquisition_start(const struct sr_dev_inst *sdi, + void *cb_data) { + (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 dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) +{ (void)cb_data; if (sdi->status != SR_ST_ACTIVE) - return SR_ERR; + return SR_ERR_DEV_CLOSED; - /* TODO */ + /* TODO: stop acquisition. */ return SR_OK; } @@ -179,16 +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, };