merge SX1280 with new ScanRSSI method logic

test/test_rssi.cpp

@@ -0,0 +1,57 @@
+#include <stdio.h>
+#define LOG(args...) printf(args)
+#include "../src/radioScan/radioScan.cpp"
+#include <unity.h>
+
+void setUp(void) {}
+
+void tearDown(void) {}
+
+struct TestScan : Scan
+{
+    TestScan(float *ctx, int sz) : ctx(ctx), sz(sz), idx(0) {}
+
+    float getRSSI() override;
+
+    float *ctx;
+    int sz;
+    int idx;
+};
+
+float TestScan::getRSSI()
+{
+    if (idx >= sz)
+    {
+        return -1000000;
+    }
+
+    return ctx[idx++];
+}
+
+constexpr int test_sz = 13;
+constexpr int inputs_sz = 13;
+
+void test_rssi(void)
+{
+    uint16_t samples[test_sz];
+    float inputs[inputs_sz] = {-40.0, -100.0, -200.0, -50.0, -400.0, -60.0, -20,
+                               -75.5, -70,    -80,    -90,   -55.9,  -110};
+
+    TestScan t = TestScan(inputs, inputs_sz);
+
+    uint16_t r = t.rssiMethod(inputs_sz, samples, test_sz);
+
+    uint16_t expect[test_sz] = {20, 50, 55, 60, 0, 70, 75, 80, 0, 90, 0, 100, 110};
+
+    TEST_ASSERT_EQUAL_INT16(20, r);
+    TEST_ASSERT_EQUAL_INT16_ARRAY(expect, samples, test_sz);
+}
+
+int main(int argc, char **argv)
+{
+    UNITY_BEGIN();
+
+    RUN_TEST(test_rssi);
+
+    UNITY_END();
+}