From 6e0cf5002914e9045082bdfe1d3acc484a37f7fb Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Sat, 20 Dec 2014 13:54:58 +0100
Subject: Move unittests into a more perceivable directory

---
 unittests/st24_test.cpp | 76 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 unittests/st24_test.cpp

(limited to 'unittests/st24_test.cpp')

diff --git a/unittests/st24_test.cpp b/unittests/st24_test.cpp
new file mode 100644
index 000000000..25a9355e2
--- /dev/null
+++ b/unittests/st24_test.cpp
@@ -0,0 +1,76 @@
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <systemlib/err.h>
+#include <drivers/drv_hrt.h>
+#include <rc/st24.h>
+#include "../../src/systemcmds/tests/tests.h"
+
+int main(int argc, char *argv[])
+{
+	warnx("ST24 test started");
+
+	if (argc < 2) {
+		errx(1, "Need a filename for the input file");
+	}
+
+	warnx("loading data from: %s", argv[1]);
+
+	FILE *fp;
+
+	fp = fopen(argv[1], "rt");
+
+	if (!fp) {
+		errx(1, "failed opening file");
+	}
+
+	float f;
+	unsigned x;
+	int ret;
+
+	// Trash the first 20 lines
+	for (unsigned i = 0; i < 20; i++) {
+		char buf[200];
+		(void)fgets(buf, sizeof(buf), fp);
+	}
+
+	float last_time = 0;
+
+	while (EOF != (ret = fscanf(fp, "%f,%x,,", &f, &x))) {
+		if (((f - last_time) * 1000 * 1000) > 3000) {
+			// warnx("FRAME RESET\n\n");
+		}
+
+		uint8_t b = static_cast<uint8_t>(x);
+
+		last_time = f;
+
+		// Pipe the data into the parser
+		hrt_abstime now = hrt_absolute_time();
+
+		uint8_t rssi;
+		uint8_t rx_count;
+		uint16_t channel_count;
+		uint16_t channels[20];
+
+
+		if (!st24_decode(b, &rssi, &rx_count, &channel_count, channels, sizeof(channels) / sizeof(channels[0]))) {
+			warnx("decoded: %u channels (converted to PPM range)", (unsigned)channel_count);
+
+			for (unsigned i = 0; i < channel_count; i++) {
+
+				int16_t val = channels[i];
+				warnx("channel %u: %d 0x%03X", i, static_cast<int>(val), static_cast<int>(val));
+			}
+		}
+	}
+
+	if (ret == EOF) {
+		warnx("Test finished, reached end of file");
+
+	} else {
+		warnx("Test aborted, errno: %d", ret);
+	}
+
+}
-- 
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