update usb/lsb issue in transmit

paulh002 · Feb 19, 2022 · c2ccf03 · c2ccf03
1 parent c1a4ed0
commit c2ccf03
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/SoapyRadioberryStreaming.cpp b/SoapyRadioberryStreaming.cpp
@@ -222,8 +222,8 @@ int SoapyRadioberry::writeStream(SoapySDR::Stream *stream, const void * const *b
 
 			tx.i8TxBuffer[0] = (unsigned char)((itarget_buffer[j] & 0xff00) >> 8);
 			tx.i8TxBuffer[1] = (unsigned char)(itarget_buffer[j] & 0xff);
-			tx.i8TxBuffer[2] = (unsigned char)((itarget_buffer[j + 1] & 0xff00) >> 8);
-			tx.i8TxBuffer[3] = (unsigned char)(itarget_buffer[j + 1] & 0xff); 
+			tx.i8TxBuffer[2] = (unsigned char)(((-1 * itarget_buffer[j + 1]) & 0xff00) >> 8);
+			tx.i8TxBuffer[3] = (unsigned char)((-1 * itarget_buffer[j + 1]) & 0xff); 
 
 			ret = write(fd_rb, &tx, sizeof(uint32_t));	
 			j += 2;