X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;ds=inline;f=hardware%2Flascar-el-usb%2Fapi.c;h=634d6f1745b6ae570bbaeb9aba2322230e71cbdd;hb=8e77bc20b92574076683d861687b63b416d3e965;hp=5bc0380d19852835c14372f0d372886cacadbb92;hpb=035a1078fda93cf1da37d19b3a1d95311b99b00f;p=libsigrok.git diff --git a/hardware/lascar-el-usb/api.c b/hardware/lascar-el-usb/api.c index 5bc0380d..634d6f17 100644 --- a/hardware/lascar-el-usb/api.c +++ b/hardware/lascar-el-usb/api.c @@ -36,10 +36,15 @@ static const int hwopts[] = { static const int hwcaps[] = { SR_CONF_THERMOMETER, SR_CONF_HYGROMETER, + SR_CONF_DATALOG, SR_CONF_LIMIT_SAMPLES, 0 }; +/* Terrible hack */ +static int BOOL_TRUE = TRUE; +static int BOOL_FALSE = FALSE; + /* Properly close and free all devices. */ static int clear_instances(void) { @@ -70,17 +75,7 @@ static int clear_instances(void) static int hw_init(struct sr_context *sr_ctx) { - struct drv_context *drvc; - - if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { - sr_err("Driver context malloc failed."); - return SR_ERR_MALLOC; - } - - drvc->sr_ctx = sr_ctx; - di->priv = drvc; - - return SR_OK; + return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); } static GSList *hw_scan(GSList *options) @@ -95,10 +90,7 @@ static GSList *hw_scan(GSList *options) (void)options; - if (!(drvc = di->priv)) { - sr_err("Driver was not initialized."); - return NULL; - } + drvc = di->priv; /* USB scan is always authoritative. */ clear_instances(); @@ -140,14 +132,7 @@ static GSList *hw_scan(GSList *options) static GSList *hw_dev_list(void) { - struct drv_context *drvc; - - if (!(drvc = di->priv)) { - sr_err("Driver was not initialized."); - return NULL; - } - - return drvc->instances; + return ((struct drv_context *)(di->priv))->instances; } static int hw_dev_open(struct sr_dev_inst *sdi) @@ -191,7 +176,6 @@ static int hw_dev_close(struct sr_dev_inst *sdi) libusb_release_interface(devc->usb->devhdl, LASCAR_INTERFACE); libusb_close(devc->usb->devhdl); devc->usb->devhdl = NULL; - g_free(devc->config); sdi->status = SR_ST_INACTIVE; @@ -215,14 +199,20 @@ static int hw_cleanup(void) static int config_get(int id, const void **data, const struct sr_dev_inst *sdi) { - (void)sdi; + struct dev_context *devc; + int ret; + devc = sdi->priv; switch (id) { - case SR_DI_HWOPTS: - *data = hwopts; + case SR_CONF_DATALOG: + if (!sdi) + return SR_ERR_ARG; + if ((ret = lascar_is_logging(sdi)) == -1) + return SR_ERR; + *data = ret ? &BOOL_TRUE : &BOOL_FALSE; break; - case SR_DI_HWCAPS: - *data = hwcaps; + case SR_CONF_LIMIT_SAMPLES: + *data = &devc->limit_samples; break; default: return SR_ERR_ARG; @@ -248,6 +238,15 @@ static int config_set(int id, const void *value, const struct sr_dev_inst *sdi) devc = sdi->priv; ret = SR_OK; switch (id) { + case SR_CONF_DATALOG: + if (*(int *)value) { + /* Start logging. */ + ret = lascar_start_logging(sdi); + } else { + /* Stop logging. */ + ret = lascar_stop_logging(sdi); + } + break; case SR_CONF_LIMIT_SAMPLES: devc->limit_samples = *(const uint64_t *)value; sr_dbg("Setting sample limit to %" PRIu64 ".", @@ -261,6 +260,25 @@ static int config_set(int id, const void *value, const struct sr_dev_inst *sdi) return ret; } +static int config_list(int key, const void **data, const struct sr_dev_inst *sdi) +{ + + (void)sdi; + + switch (key) { + case SR_CONF_SCAN_OPTIONS: + *data = hwopts; + break; + case SR_CONF_DEVICE_OPTIONS: + *data = hwcaps; + break; + default: + return SR_ERR_ARG; + } + + return SR_OK; +} + static void mark_xfer(struct libusb_transfer *xfer) { @@ -293,10 +311,10 @@ static float binary32_le_to_float(unsigned char *buf) static int lascar_proc_config(const struct sr_dev_inst *sdi) { struct dev_context *devc; - int ret; + int dummy, ret; devc = sdi->priv; - if (!(devc->config = lascar_get_config(devc->usb->devhdl))) + if (lascar_get_config(devc->usb->devhdl, devc->config, &dummy) != SR_OK) return SR_ERR; ret = SR_OK; @@ -332,12 +350,14 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) { struct sr_datafeed_packet packet; - struct sr_datafeed_header header; + struct sr_datafeed_meta meta; + struct sr_config *src; struct dev_context *devc; - struct drv_context *drvc = di->priv; + struct drv_context *drvc; struct libusb_transfer *xfer_in, *xfer_out; const struct libusb_pollfd **pfd; struct timeval tv; + uint64_t interval; int ret, i; unsigned char cmd[3], resp[4], *buf; @@ -346,6 +366,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, return SR_ERR; } + drvc = di->priv; devc = sdi->priv; devc->cb_data = cb_data; @@ -355,11 +376,15 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, sr_dbg("Starting log retrieval."); /* Send header packet to the session bus. */ - sr_dbg("Sending SR_DF_HEADER."); - packet.type = SR_DF_HEADER; - packet.payload = (uint8_t *)&header; - header.feed_version = 1; + std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); + + interval = (devc->config[0x1c] | (devc->config[0x1d] << 8)) * 1000; + packet.type = SR_DF_META; + packet.payload = &meta; + src = sr_config_make(SR_CONF_SAMPLE_INTERVAL, (const void *)&interval); + meta.config = g_slist_append(NULL, src); sr_session_send(devc->cb_data, &packet); + g_free(src); if (devc->logged_samples == 0) { /* This ensures the frontend knows the session is done. */ @@ -480,6 +505,7 @@ SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info = { .dev_clear = clear_instances, .config_get = config_get, .config_set = config_set, + .config_list = config_list, .dev_open = hw_dev_open, .dev_close = hw_dev_close, .dev_acquisition_start = hw_dev_acquisition_start,