X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fsaleae-logic16%2Fapi.c;h=868348c5e169278ea9ae74dd74c261031e429374;hb=2cca921d919cba518dd1e281be678b77f6b8b6df;hp=bc5a3b9a5228672335e6b427d243c6b24892d316;hpb=aed4ad0beaf64062752039a13f9a95326aa1df87;p=libsigrok.git diff --git a/src/hardware/saleae-logic16/api.c b/src/hardware/saleae-logic16/api.c index bc5a3b9a..868348c5 100644 --- a/src/hardware/saleae-logic16/api.c +++ b/src/hardware/saleae-logic16/api.c @@ -39,7 +39,6 @@ #define NUM_SIMUL_TRANSFERS 32 SR_PRIV struct sr_dev_driver saleae_logic16_driver_info; -static struct sr_dev_driver *di = &saleae_logic16_driver_info; static const uint32_t scanopts[] = { SR_CONF_CONN, @@ -53,6 +52,7 @@ static const uint32_t devopts[] = { SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, + SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, }; static const int32_t soft_trigger_matches[] = { @@ -66,7 +66,6 @@ static const int32_t soft_trigger_matches[] = { static const char *channel_names[] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", - NULL, }; static const struct { @@ -95,7 +94,7 @@ static const uint64_t samplerates[] = { SR_MHZ(100), }; -static int init(struct sr_context *sr_ctx) +static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) { return std_init(sr_ctx, di, LOG_PREFIX); } @@ -138,18 +137,18 @@ static gboolean check_conf_profile(libusb_device *dev) return ret; } -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_usb_dev_inst *usb; - struct sr_channel *ch; struct sr_config *src; GSList *l, *devices, *conn_devices; struct libusb_device_descriptor des; libusb_device **devlist; - int ret, i, j; + int ret; + unsigned int i, j; const char *conn; char connection_id[64]; @@ -198,22 +197,18 @@ static GSList *scan(GSList *options) if (des.idVendor != LOGIC16_VID || des.idProduct != LOGIC16_PID) continue; - sdi = sr_dev_inst_new(SR_ST_INITIALIZING, - "Saleae", "Logic16", NULL); - if (!sdi) - return NULL; + sdi = g_malloc0(sizeof(struct sr_dev_inst)); + sdi->status = SR_ST_INITIALIZING; + sdi->vendor = g_strdup("Saleae"); + sdi->model = g_strdup("Logic16"); sdi->driver = di; sdi->connection_id = g_strdup(connection_id); - for (j = 0; channel_names[j]; j++) { - if (!(ch = sr_channel_new(j, SR_CHANNEL_LOGIC, TRUE, - channel_names[j]))) - return NULL; - sdi->channels = g_slist_append(sdi->channels, ch); - } + for (j = 0; j < ARRAY_SIZE(channel_names); j++) + sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE, + channel_names[j]); - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) - return NULL; + devc = g_malloc0(sizeof(struct dev_context)); devc->selected_voltage_range = VOLTAGE_RANGE_18_33_V; sdi->priv = devc; drvc->instances = g_slist_append(drvc->instances, sdi); @@ -245,13 +240,14 @@ static GSList *scan(GSList *options) return devices; } -static GSList *dev_list(void) +static GSList *dev_list(const struct sr_dev_driver *di) { return ((struct drv_context *)(di->priv))->instances; } static int logic16_dev_open(struct sr_dev_inst *sdi) { + struct sr_dev_driver *di; libusb_device **devlist; struct sr_usb_dev_inst *usb; struct libusb_device_descriptor des; @@ -259,6 +255,7 @@ static int logic16_dev_open(struct sr_dev_inst *sdi) int ret, i, device_count; char connection_id[64]; + di = sdi->driver; drvc = di->priv; usb = sdi->conn; @@ -401,7 +398,7 @@ static int dev_close(struct sr_dev_inst *sdi) struct sr_usb_dev_inst *usb; usb = sdi->conn; - if (usb->devhdl == NULL) + if (!usb->devhdl) return SR_ERR; sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", @@ -414,7 +411,7 @@ static int dev_close(struct sr_dev_inst *sdi) return SR_OK; } -static int cleanup(void) +static int cleanup(const struct sr_dev_driver *di) { int ret; struct drv_context *drvc; @@ -425,7 +422,6 @@ static int cleanup(void) ret = std_dev_clear(di, NULL); g_free(drvc); - di->priv = NULL; return ret; } @@ -461,6 +457,12 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s devc = sdi->priv; *data = g_variant_new_uint64(devc->cur_samplerate); break; + case SR_CONF_CAPTURE_RATIO: + if (!sdi) + return SR_ERR; + devc = sdi->priv; + *data = g_variant_new_uint64(devc->capture_ratio); + break; case SR_CONF_VOLTAGE_THRESHOLD: if (!sdi) return SR_ERR; @@ -507,6 +509,14 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd case SR_CONF_LIMIT_SAMPLES: devc->limit_samples = g_variant_get_uint64(data); break; + case SR_CONF_CAPTURE_RATIO: + devc->capture_ratio = g_variant_get_uint64(data); + if (devc->capture_ratio > 100) { + devc->capture_ratio = 0; + ret = SR_ERR; + } else + ret = SR_OK; + break; case SR_CONF_VOLTAGE_THRESHOLD: g_variant_get(data, "(dd)", &low, &high); ret = SR_ERR_ARG; @@ -670,11 +680,13 @@ static int receive_data(int fd, int revents, void *cb_data) struct dev_context *devc; struct drv_context *drvc; const struct sr_dev_inst *sdi; + struct sr_dev_driver *di; (void)fd; (void)revents; sdi = cb_data; + di = sdi->driver; drvc = di->priv; devc = sdi->priv; @@ -691,6 +703,7 @@ static int receive_data(int fd, int revents, void *cb_data) static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) { + struct sr_dev_driver *di = sdi->driver; struct dev_context *devc; struct drv_context *drvc; struct sr_usb_dev_inst *usb; @@ -721,7 +734,12 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) memset(devc->channel_data, 0, sizeof(devc->channel_data)); if ((trigger = sr_session_trigger_get(sdi->session))) { - devc->stl = soft_trigger_logic_new(sdi, trigger); + int pre_trigger_samples = 0; + if (devc->limit_samples > 0) + pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100; + devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); + if (!devc->stl) + return SR_ERR_MALLOC; devc->trigger_fired = FALSE; } else devc->trigger_fired = TRUE;