Added few rtlsdr tests. List all devices. Try to read sample.

1 files changed, 73 insertions, 0 deletions

diff --git a/test/read_samples.c b/test/read_samples.c
new file mode 100644
index 0000000..4ecf7be
--- /dev/null
+++ b/test/read_samples.c
@@ -0,0 +1,73 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+//r820t
+#include <rtl-sdr.h>
+
+void read_samples( uint32_t dev_index )
+{
+	const uint32_t SAMPLE_RATE = 2048000;
+	const int DEFAULT_BUF_LENGTH = (16 * 16384);
+
+
+	uint8_t *buffer=NULL;
+	int ret, n_read;
+	static rtlsdr_dev_t *dev = NULL;
+
+	//open tunner
+	ret = rtlsdr_open(&dev, (uint32_t)dev_index);
+	if ( ret < 0 )
+	{
+		printf("Cannot open device %02d\n", dev_index );
+		return;
+	}
+
+	ret = rtlsdr_set_sample_rate(dev, SAMPLE_RATE);
+	if ( ret < 0 )
+	{
+		printf("Coulnt set sample rate to %d\n", SAMPLE_RATE);
+		return;
+	}
+
+	ret = rtlsdr_reset_buffer(dev);
+	if ( ret < 0 )
+	{
+		printf("Couldnt reset buffer\n");
+		return;
+	}
+
+	buffer = malloc(DEFAULT_BUF_LENGTH * sizeof(uint8_t));
+	ret = rtlsdr_read_sync( dev, buffer, DEFAULT_BUF_LENGTH, &n_read );
+	if (ret < 0)
+	{
+		printf("sync read failed\n");
+		return;
+	}
+	free( buffer );
+
+
+	//close tunner
+	rtlsdr_close( dev );
+
+	printf("     SUCESFULL read\n");
+}
+
+int main()
+{
+	int i;
+	uint32_t dev_num;
+
+	dev_num = rtlsdr_get_device_count();
+	printf("Found %d device(s)\n", dev_num );
+
+	printf("List device names:\n");
+	for (i=0; i<dev_num; i++)
+	{
+		char manuf[256], product[256], serial[256];
+		const char *dn = rtlsdr_get_device_name( i );
+		printf(" %02d. Device Name: %s\n", i, dn );
+		read_samples( i );
+	}
+
+	return 0;
+}
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