X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fkecheng-kc-330b%2Fapi.c;h=50986802c4fec034ea6ac4c6ff78ce0f02b65380;hb=b15ff1c92aabeea04649de25a3a01f851ab0a1ec;hp=15c43b1b95fa21c155165983e832754e67a2e727;hpb=c01bf34ca264b268fee2e71ab918c71d28dc3018;p=libsigrok.git diff --git a/src/hardware/kecheng-kc-330b/api.c b/src/hardware/kecheng-kc-330b/api.c index 15c43b1b..50986802 100644 --- a/src/hardware/kecheng-kc-330b/api.c +++ b/src/hardware/kecheng-kc-330b/api.c @@ -22,11 +22,13 @@ #include "protocol.h" #define USB_CONN "1041.8101" -#define VENDOR "Kecheng" #define USB_INTERFACE 0 -static const uint32_t devopts[] = { +static const uint32_t drvopts[] = { SR_CONF_SOUNDLEVELMETER, +}; + +static const uint32_t devopts[] = { SR_CONF_CONTINUOUS, SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, SR_CONF_SAMPLE_INTERVAL | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, @@ -47,27 +49,17 @@ SR_PRIV const uint64_t kecheng_kc_330b_sample_intervals[][2] = { }; static const char *weight_freq[] = { - "A", - "C", + "A", "C", }; static const char *weight_time[] = { - "F", - "S", + "F", "S", }; static const char *data_sources[] = { - "Live", - "Memory", + "Live", "Memory", }; -SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info; - -static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - static int scan_kecheng(struct sr_dev_driver *di, struct sr_usb_dev_inst *usb, char **model) { @@ -119,7 +111,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options) (void)options; drvc = di->context; - drvc->instances = NULL; devices = NULL; if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_CONN))) { @@ -130,9 +121,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options) continue; sdi = g_malloc0(sizeof(struct sr_dev_inst)); sdi->status = SR_ST_INACTIVE; - sdi->vendor = g_strdup(VENDOR); + sdi->vendor = g_strdup("Kecheng"); sdi->model = model; /* Already g_strndup()'d. */ - sdi->driver = di; sdi->inst_type = SR_INST_USB; sdi->conn = l->data; sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL"); @@ -150,28 +140,22 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options) /* TODO: Set date/time? */ - 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; + return std_scan_complete(di, devices); } 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->context)) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - usb = sdi->conn; if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK) @@ -186,27 +170,19 @@ 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_dev_driver *di = sdi->driver; struct dev_context *devc; struct sr_usb_dev_inst *usb; - if (!di->context) { - 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; /* This allows a frontend to configure the device without ever * doing an acquisition step. */ @@ -217,7 +193,6 @@ static int dev_close(struct sr_dev_inst *sdi) libusb_release_interface(usb->devhdl, USB_INTERFACE); libusb_close(usb->devhdl); usb->devhdl = NULL; - sdi->status = SR_ST_INACTIVE; return SR_OK; } @@ -274,25 +249,15 @@ 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; uint64_t p, q; unsigned int i; - int tmp, ret; + int tmp; const char *tmp_str; (void)cg; - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - if (!di->context) { - 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); @@ -309,7 +274,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd break; } if (i == ARRAY_SIZE(kecheng_kc_330b_sample_intervals)) - ret = SR_ERR_ARG; + return SR_ERR_ARG; break; case SR_CONF_SPL_WEIGHT_FREQ: tmp_str = g_variant_get_string(data, NULL); @@ -346,45 +311,30 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd devc->config_dirty = TRUE; 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) { - GVariant *tuple, *rational[2]; - GVariantBuilder gvb; - unsigned int i; - - (void)sdi; - (void)cg; - switch (key) { case SR_CONF_DEVICE_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, - devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); - break; + return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts); case SR_CONF_SAMPLE_INTERVAL: - g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); - for (i = 0; i < ARRAY_SIZE(kecheng_kc_330b_sample_intervals); i++) { - rational[0] = g_variant_new_uint64(kecheng_kc_330b_sample_intervals[i][0]); - rational[1] = g_variant_new_uint64(kecheng_kc_330b_sample_intervals[i][1]); - tuple = g_variant_new_tuple(rational, 2); - g_variant_builder_add_value(&gvb, tuple); - } - *data = g_variant_builder_end(&gvb); + *data = std_gvar_tuple_array(&kecheng_kc_330b_sample_intervals, + ARRAY_SIZE(kecheng_kc_330b_sample_intervals)); break; case SR_CONF_SPL_WEIGHT_FREQ: - *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq)); + *data = g_variant_new_strv(ARRAY_AND_SIZE(weight_freq)); break; case SR_CONF_SPL_WEIGHT_TIME: - *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time)); + *data = g_variant_new_strv(ARRAY_AND_SIZE(weight_time)); break; case SR_CONF_DATA_SOURCE: - *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources)); + *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources)); break; default: return SR_ERR_NA; @@ -407,16 +357,13 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi) int req_len, buf_len, len, ret; unsigned char buf[9]; - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - drvc = di->context; devc = sdi->priv; usb = sdi->conn; devc->num_samples = 0; - std_session_send_df_header(sdi, LOG_PREFIX); + std_session_send_df_header(sdi); if (devc->data_source == DATA_SOURCE_LIVE) { /* Force configuration. */ @@ -439,7 +386,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi) devc->stored_samples = (buf[7] << 8) | buf[8]; if (devc->stored_samples == 0) { /* Notify frontend of empty log by sending start/end packets. */ - std_session_send_df_end(sdi, LOG_PREFIX); + std_session_send_df_end(sdi); return SR_OK; } @@ -505,9 +452,6 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi) { struct dev_context *devc; - 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; @@ -525,15 +469,15 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi) return SR_OK; } -SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info = { +static struct sr_dev_driver kecheng_kc_330b_driver_info = { .name = "kecheng-kc-330b", .longname = "Kecheng KC-330B", .api_version = 1, - .init = init, + .init = std_init, .cleanup = std_cleanup, .scan = scan, .dev_list = std_dev_list, - .dev_clear = NULL, + .dev_clear = std_dev_clear, .config_get = config_get, .config_set = config_set, .config_list = config_list, @@ -543,3 +487,4 @@ SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info = { .dev_acquisition_stop = dev_acquisition_stop, .context = NULL, }; +SR_REGISTER_DEV_DRIVER(kecheng_kc_330b_driver_info);