X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Funi-t-ut32x%2Fapi.c;h=1d12a580a76fbdd844520b1dcc3f111cf08c5504;hb=f1ba6b4b2c9a8ecf90bb31efb218752aa7e49d1a;hp=a50d4a4fcdcb64a09c4d098b83e46fa6d98d0d67;hpb=0af636bed97c174bea46e61e961eaa1b0b162e0f;p=libsigrok.git diff --git a/src/hardware/uni-t-ut32x/api.c b/src/hardware/uni-t-ut32x/api.c index a50d4a4f..1d12a580 100644 --- a/src/hardware/uni-t-ut32x/api.c +++ b/src/hardware/uni-t-ut32x/api.c @@ -17,9 +17,13 @@ * along with this program. If not, see . */ +#include +#include #include "protocol.h" -#include +static const uint32_t scanopts[] = { + SR_CONF_CONN, +}; static const uint32_t devopts[] = { SR_CONF_THERMOMETER, @@ -28,10 +32,8 @@ static const uint32_t devopts[] = { SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, }; -static char *channels[] = { - "T1", - "T2", - "T1-T2", +static const char *channel_names[] = { + "T1", "T2", "T1-T2", }; static const char *data_sources[] = { @@ -39,28 +41,17 @@ static const char *data_sources[] = { "Memory", }; -SR_PRIV struct sr_dev_driver uni_t_ut32x_driver_info; -static struct sr_dev_driver *di = &uni_t_ut32x_driver_info; - - -static int init(struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - -static GSList *scan(GSList *options) +static GSList *scan(struct sr_dev_driver *di, GSList *options) { struct drv_context *drvc; struct dev_context *devc; struct sr_dev_inst *sdi; - struct sr_channel *ch; struct sr_config *src; GSList *usb_devices, *devices, *l; - int i; + unsigned int i; const char *conn; - drvc = di->priv; - drvc->instances = NULL; + drvc = di->context; conn = NULL; for (l = options; l; l = l->next) { @@ -79,62 +70,42 @@ static GSList *scan(GSList *options) /* We have a list of sr_usb_dev_inst matching the connection * string. Wrap them in sr_dev_inst and we're done. */ for (l = usb_devices; l; l = l->next) { - sdi = sr_dev_inst_new(); + sdi = g_malloc0(sizeof(struct sr_dev_inst)); sdi->status = SR_ST_INACTIVE; sdi->vendor = g_strdup(VENDOR); sdi->model = g_strdup(MODEL); - sdi->driver = di; sdi->inst_type = SR_INST_USB; sdi->conn = l->data; - for (i = 0; i < 3; i++) { - if (!(ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE, - channels[i]))) { - sr_dbg("Channel malloc failed."); - return NULL; - } - sdi->channels = g_slist_append(sdi->channels, ch); - } - - if (!(devc = g_try_malloc(sizeof(struct dev_context)))) { - sr_dbg("Device context malloc failed."); - return NULL; - } + for (i = 0; i < ARRAY_SIZE(channel_names); i++) + sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, + channel_names[i]); + devc = g_malloc0(sizeof(struct dev_context)); sdi->priv = devc; devc->limit_samples = 0; devc->data_source = DEFAULT_DATA_SOURCE; - drvc->instances = g_slist_append(drvc->instances, sdi); devices = g_slist_append(devices, sdi); } g_slist_free(usb_devices); } else g_slist_free_full(usb_devices, g_free); - return devices; -} - -static GSList *dev_list(void) -{ - return ((struct drv_context *)(di->priv))->instances; + return std_scan_complete(di, devices); } static int dev_open(struct sr_dev_inst *sdi) { - struct drv_context *drvc; + struct sr_dev_driver *di = sdi->driver; + 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) return SR_ERR; /* - * The libusbx 1.0.9 darwin backend is broken: it can report a kernel + * The libusb 1.0.9 Darwin backend is broken: it can report a kernel * driver being active, but detaching it always returns an error. */ #if !defined(__APPLE__) @@ -156,50 +127,26 @@ static int dev_open(struct sr_dev_inst *sdi) sr_err("Failed to claim interface: %s.", libusb_error_name(ret)); return SR_ERR; } - sdi->status = SR_ST_ACTIVE; - return ret; + return SR_OK; } static int dev_close(struct sr_dev_inst *sdi) { struct sr_usb_dev_inst *usb; - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - usb = sdi->conn; + if (!usb->devhdl) - /* Nothing to do. */ - return SR_OK; + return SR_ERR_BUG; libusb_release_interface(usb->devhdl, USB_INTERFACE); libusb_close(usb->devhdl); usb->devhdl = NULL; - sdi->status = SR_ST_INACTIVE; return SR_OK; } -static int cleanup(void) -{ - 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); - di->priv = NULL; - - return ret; -} - static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { @@ -229,26 +176,15 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd const struct sr_channel_group *cg) { struct dev_context *devc; - int ret; const char *tmp_str; (void)cg; - 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) { case SR_CONF_LIMIT_SAMPLES: devc->limit_samples = g_variant_get_uint64(data); - sr_dbg("Setting sample limit to %" PRIu64 ".", - devc->limit_samples); break; case SR_CONF_DATA_SOURCE: tmp_str = g_variant_get_string(data, NULL); @@ -260,20 +196,23 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd return SR_ERR; break; default: - ret = SR_ERR_NA; + return SR_ERR_NA; } - return ret; + return SR_OK; } static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - (void)sdi; (void)cg; switch (key) { + case SR_CONF_SCAN_OPTIONS: + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, + scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); + break; case SR_CONF_DEVICE_OPTIONS: *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); @@ -288,23 +227,19 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst * return SR_OK; } -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 drv_context *drvc; struct dev_context *devc; struct sr_usb_dev_inst *usb; int len, ret; unsigned char cmd[2]; - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - drvc = di->priv; + drvc = di->context; devc = sdi->priv; usb = sdi->conn; - devc->cb_data = cb_data; devc->num_samples = 0; devc->packet_len = 0; @@ -319,8 +254,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, return SR_ERR; } - /* Send header packet to the session bus. */ - std_session_send_df_header(cb_data, LOG_PREFIX); + std_session_send_df_header(sdi); if (!(devc->xfer = libusb_alloc_transfer(0))) return SR_ERR; @@ -352,28 +286,22 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, return SR_OK; } -static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) +static int dev_acquisition_stop(struct sr_dev_inst *sdi) { - - (void)cb_data; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - /* Signal USB transfer handler to clean up and stop. */ sdi->status = SR_ST_STOPPING; return SR_OK; } -SR_PRIV struct sr_dev_driver uni_t_ut32x_driver_info = { +static struct sr_dev_driver uni_t_ut32x_driver_info = { .name = "uni-t-ut32x", .longname = "UNI-T UT32x", .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, @@ -382,5 +310,6 @@ SR_PRIV struct sr_dev_driver uni_t_ut32x_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(uni_t_ut32x_driver_info);