zeroplus: Add voltage threshold support

[libsigrok.git] / hardware / zeroplus-logic-cube / api.c

diff --git a/hardware/zeroplus-logic-cube/api.c b/hardware/zeroplus-logic-cube/api.c
index 84f830a6f96e4b5036729b524a1c692a213c5025..25b4f78f80aa278a5a30cc996a2d88d203db85da 100644 (file)
--- a/hardware/zeroplus-logic-cube/api.c
+++ b/hardware/zeroplus-logic-cube/api.c
@@ -57,6 +57,7 @@ static const int32_t hwcaps[] = {
        SR_CONF_LOGIC_ANALYZER,
        SR_CONF_SAMPLERATE,
        SR_CONF_CAPTURE_RATIO,
+       SR_CONF_VOLTAGE_THRESHOLD,
        SR_CONF_LIMIT_SAMPLES,
 };
 
@@ -439,6 +440,9 @@ static int dev_open(struct sr_dev_inst *sdi)
                devc->cur_samplerate = SR_MHZ(1);
        }
 
+       if (devc->cur_threshold == 0)
+               set_voltage_threshold(devc, 1.5);
+
        return SR_OK;
 }
 
@@ -491,6 +495,16 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
                } else
                        return SR_ERR;
                break;
+       case SR_CONF_VOLTAGE_THRESHOLD:
+               if (sdi) {
+                       GVariant *range[2];
+                       devc = sdi->priv;
+                       range[0] = g_variant_new_double(devc->cur_threshold);
+                       range[1] = g_variant_new_double(devc->cur_threshold);
+                       *data = g_variant_new_tuple(range, 2);
+               } else
+                       return SR_ERR;
+               break;
        default:
                return SR_ERR_NA;
        }
@@ -502,6 +516,7 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
                const struct sr_probe_group *probe_group)
 {
        struct dev_context *devc;
+       gdouble low, high;
 
        (void)probe_group;
 
@@ -520,6 +535,9 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
                return set_limit_samples(devc, g_variant_get_uint64(data));
        case SR_CONF_CAPTURE_RATIO:
                return set_capture_ratio(devc, g_variant_get_uint64(data));
+       case SR_CONF_VOLTAGE_THRESHOLD:
+               g_variant_get(data, "(dd)", &low, &high);
+               return set_voltage_threshold(devc, (low + high) / 2.0);
        default:
                return SR_ERR_NA;
        }
@@ -533,6 +551,8 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
        struct dev_context *devc;
        GVariant *gvar;
        GVariantBuilder gvb;
+       double v;
+       GVariant *range[2];
 
        (void)probe_group;
 
@@ -563,6 +583,16 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
        case SR_CONF_TRIGGER_TYPE:
                *data = g_variant_new_string(TRIGGER_TYPE);
                break;
+       case SR_CONF_VOLTAGE_THRESHOLD:
+               g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+               for (v = -6.0; v <= 6.0; v += 0.1) {
+                       range[0] = g_variant_new_double(v);
+                       range[1] = g_variant_new_double(v);
+                       gvar = g_variant_new_tuple(range, 2);
+                       g_variant_builder_add_value(&gvb, gvar);
+               }
+               *data = g_variant_builder_end(&gvb);
+               break;
        default:
                return SR_ERR_NA;
        }