fix 24 bit IQ

paulh002 · Mar 16, 2022 · 5cbf086 · 5cbf086
1 parent 561ea2d
commit 5cbf086
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Showing 3 changed files with 18 additions and 14 deletions.
diff --git a/SoapyRadioberry-Release.vgdbsettings b/SoapyRadioberry-Release.vgdbsettings
@@ -8,7 +8,7 @@
     </CustomSourceDirectories>
     <AutoProgramSPIFFSPartition>true</AutoProgramSPIFFSPartition>
     <BuildHost>
-      <HostName>192.168.88.51</HostName>
+      <HostName>192.168.88.47</HostName>
       <Transport>SSH</Transport>
       <UserName>pi</UserName>
     </BuildHost>

diff --git a/SoapyRadioberry.vcxproj b/SoapyRadioberry.vcxproj
@@ -37,7 +37,7 @@
     <TargetName>libSoapyRadioberrySDR</TargetName>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">
-    <RemoteBuildHost>192.168.88.51</RemoteBuildHost>
+    <RemoteBuildHost>192.168.88.47</RemoteBuildHost>
     <ToolchainID>com.sysprogs.toolchain.default-gcc</ToolchainID>
     <ToolchainVersion />
     <GNUTargetType>DynamicLibrary</GNUTargetType>

diff --git a/SoapyRadioberryStreaming.cpp b/SoapyRadioberryStreaming.cpp
@@ -130,8 +130,6 @@ int SoapyRadioberry::readStream(
 {
 	int i;
 	int iq = 0;
-	int16_t left_sample;
-	int16_t right_sample;
 	int nr_samples;
 
 	void *buff_base = buffs[0];
@@ -145,22 +143,28 @@ int SoapyRadioberry::readStream(
 		//printf("nr_samples %d sample: %d %d %d %d %d %d\n",nr_samples, (int)rx_buffer[0],(int)rx_buffer[1],(int)rx_buffer[2],(int)rx_buffer[3],(int)rx_buffer[4],(int)rx_buffer[5]);
 		if(streamFormat == RADIOBERRY_SDR_CF32)
 		{
+			int32_t left_sample;
+			int32_t right_sample;
+
 			for (i = 0; i < nr_samples; i += 6) {
-				left_sample   = (int)((signed char) rx_buffer[i]) << 16;
-				left_sample  |= (int)((((unsigned char)rx_buffer[i + 1]) << 8) & 0xFF00);
-				left_sample  |= (int)((unsigned char)rx_buffer[i + 2] & 0xFF);
-				right_sample  = (int)((signed char)rx_buffer[i + 3]) << 16;
-				right_sample |= (int)((((unsigned char)rx_buffer[i + 4]) << 8) & 0xFF00);
-				right_sample |= (int)((unsigned char)rx_buffer[i + 5] & 0xFF);
+				left_sample = (int32_t)((signed char) rx_buffer[i]) << 16;
+				left_sample |= (int32_t)((((unsigned char)rx_buffer[i + 1]) << 8) & 0xFF00);
+				left_sample |= (int32_t)((unsigned char)rx_buffer[i + 2] & 0xFF);
+				right_sample = (int32_t)((signed char)rx_buffer[i + 3]) << 16;
+				right_sample |= (int32_t)((((unsigned char)rx_buffer[i + 4]) << 8) & 0xFF00);
+				right_sample |= (int32_t)((unsigned char)rx_buffer[i + 5] & 0xFF);
 				right_sample =  right_sample * -1;
-
-				target_buffer[iq++] = (float)left_sample / 2048.0;      // 12 bit sample
-				target_buffer[iq++] = (float)right_sample / 2048.0;      // 12 bit sample
-				//printf("nr_samples %d sample: %d %d \n", nr_samples, left_sample, right_sample);		
+
+				target_buffer[iq++] = (float)left_sample / 8388608.0;      // 12 bit sample
+				target_buffer[iq++] = (float)right_sample / 8388608.0;      // 12 bit sample
 			}
+			//printf("nr_samples %d sample: %d %d \n", nr_samples, left_sample, right_sample);
 		}
 		if (streamFormat == RADIOBERRY_SDR_CS16)
 		{
+			int16_t left_sample;
+			int16_t right_sample;
+
 			for (i = 0; i < nr_samples; i += 6) {
 				left_sample   = (int16_t)((signed char) rx_buffer[i]) << 16;
 				left_sample  |= (int16_t)((((unsigned char)rx_buffer[i + 1]) << 8) & 0xFF00);