Support MinGW and Win

README.md

@@ -41,6 +41,13 @@ To install rtl-wmbus, download, unpack the source code and go to the top level d
 
 Before building Android version the SDK and NDK have to be installed. See androidbuild.bat for how to build and install.
 
+For Windows user:
+ * Download and install https://downloads.myriadrf.org/builds/PothosSDR/PothosSDR-2021.02.28-vc16-x64.exe
+ * Compile rtl-wmbus with MSYS2-MinGW just by executing make in MSYS2-MinGW-Console...
+ * Or use precompiled binary from the build directory
+ * Start in the console: "c:\Program Files\PothosSDR\bin\rtl_sdr" -f 868.95M -s 1600000 - 2>NUL | build\rtl_wmbus_x64.exe
+ * Optionally replace the path to rtl_sdr with that where you have PothosSDR installed
+
    Usage
    -----
 To save an I/Q-stream on disk and decode that off-line:

rtl_wmbus.c

@@ -31,16 +31,29 @@
 #include <complex.h>
 #include <stdio.h>
 #include <errno.h>
+#include <fcntl.h>
 #include <fixedptc/fixedptc.h>
 #include "fir.h"
 #include "iir.h"
 #include "ppf.h"
 #include "moving_average_filter.h"
 #include "atan2.h"
-#include "net_support.h"
 #include "t1_c1_packet_decoder.h"
 #include "s1_packet_decoder.h"
 
+#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
+#define WINDOWS_BUILD 1
+#else
+#define WINDOWS_BUILD 0
+#endif
+
+#if WINDOWS_BUILD == 1
+#include <io.h>
+#warning "Compiling for Win discludes network support."
+#else
+#include "net_support.h"
+#endif
+
 static const uint32_t ACCESS_CODE_T1_C1 = 0b0101010101010000111101u;
 static const uint32_t ACCESS_CODE_T1_C1_BITMASK = 0x3FFFFFu;
 static const unsigned ACCESS_CODE_T1_C1_ERRORS = 1u; // 0 if no errors allowed
@@ -908,6 +921,10 @@ static void shift_freq_plus_minus325(float *iplus, float *qplus, float *iminus,
 
 int main(int argc, char *argv[])
 {
+    #if WINDOWS_BUILD == 1
+    _setmode(_fileno(stdin), _O_BINARY);
+    #endif
+
     process_options(argc, argv);
 
     __attribute__((__aligned__(16))) uint8_t samples[4096];