+ devc->protocol = model->protocol;
+
+ /* DS1000 models with firmware before 0.2.4 used the old
+ * legacy protocol. */
+ if (model->series == RIGOL_DS1000) {
+ version = g_strsplit(hw_info->firmware_version, ".", 0);
+ do {
+ if (!version[0] || !version[1] || !version[2])
+ break;
+ if (version[0][0] == 0 || version[1][0] == 0 || version[2][0] == 0)
+ break;
+ for (i = 0; i < 3; i++) {
+ if (sr_atol(version[i], &n[i]) != SR_OK)
+ break;
+ }
+ if (i != 3)
+ break;
+ if (n[0] != 0 || n[1] > 2)
+ break;
+ if (n[1] == 2 && n[2] > 3)
+ break;
+ sr_dbg("Found DS1000 firmware < 0.2.4, using old protocol.");
+ devc->protocol = PROTOCOL_LEGACY;
+ } while(0);
+ g_strfreev(version);
+ }
+
+ sr_scpi_hw_info_free(hw_info);