Bindings: constify data pointer

[libsigrok.git] / bindings / cxx / classes.cpp

diff --git a/bindings/cxx/classes.cpp b/bindings/cxx/classes.cpp
index 03a4ce115ca06e4f10567defbf74b48e220fca4e..c17a2ee524efad9ebcd62e7006eeeedc41829bc5 100644 (file)
--- a/bindings/cxx/classes.cpp
+++ b/bindings/cxx/classes.cpp
@@ -305,7 +305,7 @@ shared_ptr<Packet> Context::create_logic_packet(
 
 shared_ptr<Packet> Context::create_analog_packet(
        vector<shared_ptr<Channel> > channels,
-       float *data_pointer, unsigned int num_samples, const Quantity *mq,
+       const float *data_pointer, unsigned int num_samples, const Quantity *mq,
        const Unit *unit, vector<const QuantityFlag *> mqflags)
 {
        auto analog = g_new0(struct sr_datafeed_analog, 1);
@@ -343,7 +343,7 @@ shared_ptr<Packet> Context::create_analog_packet(
        spec->spec_digits = 0;
 
        analog->num_samples = num_samples;
-       analog->data = data_pointer;
+       analog->data = (float*)data_pointer;
        auto packet = g_new(struct sr_datafeed_packet, 1);
        packet->type = SR_DF_ANALOG;
        packet->payload = analog;