Replace some magic numbers with a #define.

[libsigrok.git] / src / hardware / hantek-dso / api.c

diff --git a/src/hardware/hantek-dso/api.c b/src/hardware/hantek-dso/api.c
index 2b039ed22b60e32e499141fbb45fdf29e573a3ff..f29d4a0ec22dc513c1f8063118baf367403cddcd 100644 (file)
--- a/src/hardware/hantek-dso/api.c
+++ b/src/hardware/hantek-dso/api.c
@@ -40,6 +40,8 @@
 #define NUM_TIMEBASE  10
 #define NUM_VDIV      8
 
+#define NUM_BUFFER_SIZES 2
+
 static const uint32_t scanopts[] = {
        SR_CONF_CONN,
 };
@@ -543,13 +545,13 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                        break;
                case SR_CONF_BUFFERSIZE:
                        tmp_u64 = g_variant_get_uint64(data);
-                       for (i = 0; i < 2; i++) {
+                       for (i = 0; i < NUM_BUFFER_SIZES; i++) {
                                if (devc->profile->buffersizes[i] == tmp_u64) {
                                        devc->framesize = tmp_u64;
                                        break;
                                }
                        }
-                       if (i == 2)
+                       if (i == NUM_BUFFER_SIZES)
                                ret = SR_ERR_ARG;
                        break;
                case SR_CONF_TIMEBASE:
@@ -658,7 +660,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
                                return SR_ERR_ARG;
                        devc = sdi->priv;
                        *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
-                                       devc->profile->buffersizes, 2, sizeof(uint64_t));
+                                       devc->profile->buffersizes, NUM_BUFFER_SIZES, sizeof(uint64_t));
                        break;
                case SR_CONF_TIMEBASE:
                        g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);