Counters (#71)

* mythen3: adding counters mask, firmware still takes only number of counters for now

* mythen3: checking if module attached before powering on chip

* bug fix: loop inital declaration not allowed in c

* fix scope eiger test

* mythen3: renamed setCounters to setCounterMask and getCounterMask in API

* mythen3 replacing counting bits with popcount

Co-authored-by: Erik Fröjdh <erik.frojdh@gmail.com>

slsDetectorSoftware/tests/test-CmdProxy-global.cpp

@@ -0,0 +1,27 @@
+#include "test-CmdProxy-global.h"
+#include "CmdProxy.h"
+#include "Detector.h"
+#include "catch.hpp"
+#include "tests/globals.h"
+
+using sls::CmdProxy;
+using sls::Detector;
+using test::GET;
+using test::PUT;
+
+
+void test_dac(defs::dacIndex index, const std::string &dacname, int dacvalue) {
+    Detector det;
+    CmdProxy proxy(&det);
+    std::ostringstream oss_set, oss_get;
+    auto dacstr = std::to_string(dacvalue);
+    auto previous = det.getDAC(index, false);
+    proxy.Call(dacname, {dacstr}, -1, PUT, oss_set);
+    REQUIRE(oss_set.str() == dacname + " " + dacstr + "\n");
+    proxy.Call(dacname, {}, -1, GET, oss_get);
+    REQUIRE(oss_get.str() == dacname + " " + dacstr + "\n");
+    // Reset all dacs to previous value
+    for (int i = 0; i != det.size(); ++i) {
+        det.setDAC(index, previous[i], false, {i});
+    }
+}