Add hardware tests for ad9361_set_bb_rate

Signed-off-by: Travis Collins <travis.collins@analog.com>
analogdevicesinc · Oct 5, 2018 · 7aa95ca · 7aa95ca
1 parent c70ed5f
commit 7aa95ca
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diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
@@ -15,3 +15,9 @@ target_link_libraries(FilterDesignerHardwareTest LINK_PRIVATE ${LIBIIO_LIBRARIES
 add_test(NAME FilterDesignerHardwareTest
          COMMAND FilterDesignerHardwareTest
          WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+
+add_executable(AutoRateTest auto_rate_test_hw.c)
+target_link_libraries(AutoRateTest LINK_PRIVATE ${LIBIIO_LIBRARIES} ad9361)
+add_test(NAME AutoRateTest
+         COMMAND AutoRateTest
+         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/test/auto_rate_test_hw.c b/test/auto_rate_test_hw.c
@@ -0,0 +1,96 @@
+
+
+#include "ad9361.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#ifdef __APPLE__
+#include <iio/iio.h>
+#else
+#include <iio.h>
+#endif
+
+#define RATE_TOLERANCE_HZ 2
+
+int run_test(unsigned long rate, struct iio_device *dev)
+{
+    struct iio_channel *chan;
+    long long current_rate;
+    int ret;
+
+    printf("Testing rate: %lu\n",rate);
+
+    ret = ad9361_set_bb_rate(dev, rate);
+    if (ret<0) {
+        printf("ad9361_set_bb_rate Failed: %d\n",ret);
+        return ret;
+    }
+    // Checks
+    chan = iio_device_find_channel(dev, "voltage0", true);
+    if (chan == NULL)
+        return -ENODEV;
+    ret = iio_channel_attr_read_longlong(chan, "sampling_frequency", &current_rate);
+    if (ret < 0)
+        return ret;
+    if (abs(current_rate != (long long) rate)> RATE_TOLERANCE_HZ)
+        return -1;
+
+    printf("FIR rate check passed\n");
+
+    return 0;
+}
+
+int main(void)
+{
+    int ret, k, g;
+    struct iio_context *ctx;
+    struct iio_device *dev;
+
+    unsigned long rates[] = {520888, 600000, 1000000, 10000000, 20000000, 40000000, 60000000};
+
+    char * uri = "ip:192.168.2.1";
+    ctx = iio_create_context_from_uri(uri);
+    if (ctx == NULL) {
+        printf("No device found... skipping test");
+        exit(0);// Cant find anything don't run tests
+    }
+    dev = iio_context_find_device(ctx, "ad9361-phy");
+
+    for (g = 0; g < 2; g++) {
+
+        printf("########################\n");
+        printf("Loop %d\n",g);
+        printf("########################\n");
+
+        for (k = 6; k >= 0; k--) {
+            ret = run_test(rates[k], dev);
+            if (ret < 0)
+                return ret;
+        }
+    }
+
+    printf("########################\n");
+    printf("Running tests backwards\n");
+    printf("########################\n");
+
+    for (g = 0; g < 2; g++) {
+
+        printf("########################\n");
+        printf("Loop %d\n",g);
+        printf("########################\n");
+
+        for (k = 0; k < 7; k++) {
+            ret = run_test(rates[k], dev);
+            if (ret < 0)
+                return ret;
+        }
+    }
+
+    printf("Overall Passed\n");
+
+    return 0;
+}