op25
/
op25
4
1
Fork 0
Code Issues Pull Requests Releases Wiki Activity

debug: dump raw IMBE frame data

This commit is contained in:
Max 2019-01-25 20:40:21 -05:00
parent 111b311d88
commit 538ae6015b
2 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
op25/gr-op25/lib/op25_imbe_frame.h
View File

@ -10,6 +10,7 @@
#include <vector>
typedef std::vector<bool> voice_codeword;
typedef std::vector<uint8_t> packed_codeword;
typedef const std::vector<bool> const_bit_vector;
typedef std::vector<bool> bit_vector;
@ -344,6 +345,26 @@ imbe_header_decode(const voice_codeword& cw, uint32_t& u0, uint32_t& u1, uint32_
return errs;
}
/*
* Pack 88 bit IMBE parameters into uint8_t vector
*/
static inline void
imbe_pack(packed_codeword& cw, uint32_t u0, uint32_t u1, uint32_t u2, uint32_t u3, uint32_t u4, uint32_t u5, uint32_t u6, uint32_t u7)
{
cw.empty();
cw.push_back(u0 >> 4);
cw.push_back(((u0 & 0xf) << 4) + (u1 >> 8));
cw.push_back(u1 & 0xff);
cw.push_back(u2 >> 4);
cw.push_back(((u2 & 0xf) << 4) + (u3 >> 8));
cw.push_back(u3 & 0xff);
cw.push_back(u4 >> 3);
cw.push_back(((u4 & 0x7) << 5) + (u5 >> 6));
cw.push_back(((u5 & 0x3f) << 2) + (u6 >> 9));
cw.push_back(u6 >> 1);
cw.push_back(((u6 & 0x1) << 7) + (u7 >> 1));
}
/* APCO IMBE header encoder.
*
* given 88 bits of IMBE parameters, construct output 144-bit IMBE codeword

9
op25/gr-op25_repeater/lib/p25p1_fdma.cc
View File

@ -625,6 +625,15 @@ p25p1_fdma::process_voice(const bit_vector& A)
imbe_deinterleave(A, cw, i);
// recover 88-bit IMBE voice code word
imbe_header_decode(cw, u[0], u[1], u[2], u[3], u[4], u[5], u[6], u[7], E0, ET);
if (d_debug >= 10) {
packed_codeword p_cw;
imbe_pack(p_cw, u[0], u[1], u[2], u[3], u[4], u[5], u[6], u[7]);
sprintf(s,"%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
p_cw[0], p_cw[1], p_cw[2], p_cw[3], p_cw[4], p_cw[5],
p_cw[6], p_cw[7], p_cw[8], p_cw[9], p_cw[10]);
fprintf(stderr, "%s IMBE %s\n", logts.get(), s); // print to log in one operation
}
// output one 32-byte msg per 0.020 sec.
// also, 32*9 = 288 byte pkts (for use via UDP)
sprintf(s, "%03x %03x %03x %03x %03x %03x %03x %03x\n", u[0], u[1], u[2], u[3], u[4], u[5], u[6], u[7]);