X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Flascar-el-usb%2Fapi.c;h=1fd86b7ea00052975b12d3780283cff3b7fd3929;hb=dd5c48a6d567a3cac62c4b0058588273bbeea171;hp=ce63bc672f68c2360e79875d174af62cfa357844;hpb=1a46cc62e2b528bcaeb1f8dc0c952a81b3bcba5c;p=libsigrok.git diff --git a/src/hardware/lascar-el-usb/api.c b/src/hardware/lascar-el-usb/api.c index ce63bc67..1fd86b7e 100644 --- a/src/hardware/lascar-el-usb/api.c +++ b/src/hardware/lascar-el-usb/api.c @@ -17,14 +17,13 @@ * along with this program. If not, see . */ +#include #include #include -#include "libsigrok.h" +#include #include "libsigrok-internal.h" #include "protocol.h" -SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info; - static const uint32_t scanopts[] = { SR_CONF_CONN, }; @@ -37,11 +36,6 @@ static const uint32_t devopts[] = { SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET, }; -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 drv_context *drvc; @@ -51,7 +45,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options) GSList *usb_devices, *devices, *l; const char *conn; - drvc = di->priv; + drvc = di->context; conn = NULL; for (l = options; l; l = l->next) { @@ -88,23 +82,13 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options) return devices; } -static GSList *dev_list(const struct sr_dev_driver *di) -{ - return ((struct drv_context *)(di->priv))->instances; -} - static int dev_open(struct sr_dev_inst *sdi) { struct sr_dev_driver *di = sdi->driver; - struct drv_context *drvc; + struct drv_context *drvc = di->context;; struct sr_usb_dev_inst *usb; int ret; - if (!(drvc = di->priv)) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - usb = sdi->conn; if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK) @@ -121,14 +105,8 @@ static int dev_open(struct sr_dev_inst *sdi) static int dev_close(struct sr_dev_inst *sdi) { - struct sr_dev_driver *di = sdi->driver; struct sr_usb_dev_inst *usb; - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - usb = sdi->conn; if (!usb->devhdl) @@ -143,21 +121,6 @@ static int dev_close(struct sr_dev_inst *sdi) return SR_OK; } -static int cleanup(const struct sr_dev_driver *di) -{ - int ret; - struct drv_context *drvc; - - if (!(drvc = di->priv)) - /* Can get called on an unused driver, doesn't matter. */ - return SR_OK; - - ret = std_dev_clear(di, NULL); - g_free(drvc); - - return ret; -} - static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { @@ -197,7 +160,6 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - struct sr_dev_driver *di = sdi->driver; struct dev_context *devc; int ret; @@ -206,11 +168,6 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - devc = sdi->priv; ret = SR_OK; switch (key) { @@ -252,7 +209,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst * return SR_OK; } -static void mark_xfer(struct libusb_transfer *xfer) +static void LIBUSB_CALL mark_xfer(struct libusb_transfer *xfer) { if (xfer->status == LIBUSB_TRANSFER_COMPLETED) @@ -322,7 +279,7 @@ static int lascar_proc_config(const struct sr_dev_inst *sdi) return ret; } -static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) +static int dev_acquisition_start(const struct sr_dev_inst *sdi) { struct sr_dev_driver *di = sdi->driver; struct sr_datafeed_packet packet; @@ -340,36 +297,28 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - - drvc = di->priv; + drvc = di->context; devc = sdi->priv; usb = sdi->conn; - devc->cb_data = cb_data; if (lascar_proc_config(sdi) != SR_OK) return SR_ERR; sr_dbg("Starting log retrieval."); - /* Send header packet to the session bus. */ - std_session_send_df_header(cb_data, LOG_PREFIX); + std_session_send_df_header(sdi, LOG_PREFIX); interval = (devc->config[0x1c] | (devc->config[0x1d] << 8)) * 1000; packet.type = SR_DF_META; packet.payload = &meta; src = sr_config_new(SR_CONF_SAMPLE_INTERVAL, g_variant_new_uint64(interval)); meta.config = g_slist_append(NULL, src); - sr_session_send(devc->cb_data, &packet); + sr_session_send(sdi, &packet); g_free(src); if (devc->logged_samples == 0) { /* This ensures the frontend knows the session is done. */ - packet.type = SR_DF_END; - sr_session_send(devc->cb_data, &packet); + std_session_send_df_end(sdi, LOG_PREFIX); return SR_OK; } @@ -415,7 +364,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); } if (xfer_in->user_data != GINT_TO_POINTER(1) || - xfer_in->user_data != GINT_TO_POINTER(1)) { + xfer_out->user_data != GINT_TO_POINTER(1)) { sr_dbg("no response to log transfer request"); libusb_free_transfer(xfer_in); libusb_free_transfer(xfer_out); @@ -433,9 +382,10 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) usb_source_add(sdi->session, drvc->sr_ctx, 100, lascar_el_usb_handle_events, (void *)sdi); - buf = g_try_malloc(4096); + buf = g_malloc(4096); libusb_fill_bulk_transfer(xfer_in, usb->devhdl, LASCAR_EP_IN, - buf, 4096, lascar_el_usb_receive_transfer, cb_data, 100); + buf, 4096, lascar_el_usb_receive_transfer, + (struct sr_dev_inst *)sdi, 100); if ((ret = libusb_submit_transfer(xfer_in) != 0)) { sr_err("Unable to submit transfer: %s.", libusb_error_name(ret)); libusb_free_transfer(xfer_in); @@ -446,16 +396,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) return SR_OK; } -SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) +SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi) { - struct sr_dev_driver *di = sdi->driver; - (void)cb_data; - - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - if (sdi->status != SR_ST_ACTIVE) { sr_err("Device inactive, can't stop acquisition."); return SR_ERR; @@ -471,10 +413,10 @@ SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info = { .name = "lascar-el-usb", .longname = "Lascar EL-USB", .api_version = 1, - .init = init, - .cleanup = cleanup, + .init = std_init, + .cleanup = std_cleanup, .scan = scan, - .dev_list = dev_list, + .dev_list = std_dev_list, .dev_clear = NULL, .config_get = config_get, .config_set = config_set, @@ -483,5 +425,6 @@ SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info = { .dev_close = dev_close, .dev_acquisition_start = dev_acquisition_start, .dev_acquisition_stop = dev_acquisition_stop, - .priv = NULL, + .context = NULL, }; +SR_REGISTER_DEV_DRIVER(lascar_el_usb_driver_info);