SR_PRIV int brymen_dmm_receive_data(int fd, int revents, void *cb_data) { struct sr_dev_inst *sdi; struct dev_context *devc; struct sr_serial_dev_inst *serial; int ret; (void)fd; if (!(sdi = cb_data)) return TRUE; if (!(devc = sdi->priv)) return TRUE; serial = sdi->conn; if (revents == G_IO_IN) { /* Serial data arrived. */ handle_new_data(sdi); } else { /* Timeout, send another packet request. */ if ((ret = brymen_packet_request(serial)) < 0) { sr_err("Failed to request packet: %d.", ret); return FALSE; } } if (sr_sw_limits_check(&devc->sw_limits)) sdi->driver->dev_acquisition_stop(sdi); return TRUE; }
SR_PRIV int brymen_dmm_receive_data(int fd, int revents, void *cb_data) { struct sr_dev_inst *sdi; struct dev_context *devc; struct sr_serial_dev_inst *serial; int ret; int64_t time; (void)fd; if (!(sdi = cb_data)) return TRUE; if (!(devc = sdi->priv)) return TRUE; serial = sdi->conn; if (revents == G_IO_IN) { /* Serial data arrived. */ handle_new_data(sdi); } else { /* Timeout, send another packet request. */ if ((ret = brymen_packet_request(serial)) < 0) { sr_err("Failed to request packet: %d.", ret); return FALSE; } } if (devc->limit_samples && devc->num_samples >= devc->limit_samples) { sr_info("Requested number of samples reached, stopping."); sdi->driver->dev_acquisition_stop(sdi, cb_data); return TRUE; } if (devc->limit_msec) { time = (g_get_monotonic_time() - devc->starttime) / 1000; if (time > (int64_t)devc->limit_msec) { sr_info("Requested time limit reached, stopping."); sdi->driver->dev_acquisition_stop(sdi, cb_data); return TRUE; } } return TRUE; }
static GSList *brymen_scan(const char *conn, const char *serialcomm) { struct sr_dev_inst *sdi; struct dev_context *devc; struct drv_context *drvc; struct sr_probe *probe; struct sr_serial_dev_inst *serial; GSList *devices; int ret; uint8_t buf[128]; size_t len; if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) return NULL; if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) return NULL; sr_info("Probing port %s.", conn); devices = NULL; /* Request reading */ if ((ret = brymen_packet_request(serial)) < 0) { sr_err("Unable to send command: %d.", ret); goto scan_cleanup; } len = 128; ret = brymen_stream_detect(serial, buf, &len, brymen_packet_length, brymen_packet_is_valid, 1000, 9600); if (ret != SR_OK) goto scan_cleanup; sr_info("Found device on port %s.", conn); if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Brymen", "BM85x", ""))) goto scan_cleanup; if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { sr_err("Device context malloc failed."); goto scan_cleanup; } sdi->inst_type = SR_INST_SERIAL; sdi->conn = serial; drvc = di->priv; sdi->priv = devc; sdi->driver = di; if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) goto scan_cleanup; sdi->probes = g_slist_append(sdi->probes, probe); drvc->instances = g_slist_append(drvc->instances, sdi); devices = g_slist_append(devices, sdi); scan_cleanup: serial_close(serial); return devices; }