Several minor improvements

* Improve CI testing
* Fix compilation warnings
* Bump up version
This commit is contained in:
Manolis Surligas 2018-01-19 22:20:19 +02:00
parent f8df9c2824
commit de05c3f1c4
11 changed files with 3182 additions and 2084 deletions

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@ -7,6 +7,14 @@ test:
script: script:
- mkdir -p build - mkdir -p build
- cd build - cd build
- cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo .. - cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=/usr ..
- make - make
- make install
- ldconfig
- python -c "import satnogs"
- rm -rf *
- cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DINCLUDE_DEBUG_BLOCKS=OFF -DCMAKE_INSTALL_PREFIX=/usr ..
- make
- make install
- ldconfig
- python -c "import satnogs"

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@ -48,7 +48,7 @@ list(INSERT CMAKE_MODULE_PATH 0 ${CMAKE_SOURCE_DIR}/cmake/Modules)
# Set the version information here # Set the version information here
set(VERSION_INFO_MAJOR_VERSION 1) set(VERSION_INFO_MAJOR_VERSION 1)
set(VERSION_INFO_API_COMPAT 2) set(VERSION_INFO_API_COMPAT 2)
set(VERSION_INFO_MINOR_VERSION 2) set(VERSION_INFO_MINOR_VERSION 3)
set(VERSION_INFO_MAINT_VERSION git) set(VERSION_INFO_MAINT_VERSION git)
######################################################################## ########################################################################

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File diff suppressed because it is too large Load Diff

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@ -2,7 +2,7 @@
/* /*
* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module * gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
* *
* Copyright (C) 2016, Libre Space Foundation <http://librespacefoundation.org/> * Copyright (C) 2016,2018 Libre Space Foundation <http://librespacefoundation.org/>
* *
* This program is free software: you can redistribute it and/or modify * This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -24,21 +24,25 @@
#include <satnogs/utils.h> #include <satnogs/utils.h>
#include <satnogs/log.h> #include <satnogs/log.h>
#include <limits.h> #include <limits.h>
#include <stdint.h>
#include <string>
namespace gr namespace gr
{ {
namespace satnogs namespace satnogs
{ {
const size_t AX25_MIN_ADDR_LEN = 14; const size_t AX25_MIN_ADDR_LEN = 14;
const size_t AX25_MAX_ADDR_LEN = 28; const size_t AX25_MAX_ADDR_LEN = 28;
const size_t AX25_MIN_CTRL_LEN = 1; const size_t AX25_MIN_CTRL_LEN = 1;
const size_t AX25_MAX_CTRL_LEN = 2; const size_t AX25_MAX_CTRL_LEN = 2;
const size_t AX25_MAX_FRAME_LEN = 256; const size_t AX25_MAX_FRAME_LEN = 256;
const uint8_t AX25_SYNC_FLAG = 0x7E; const uint8_t AX25_SYNC_FLAG = 0x7E;
const uint8_t AX25_CALLSIGN_MAX_LEN = 6; const uint8_t AX25_CALLSIGN_MAX_LEN = 6;
const float AX25_SYNC_FLAG_MAP[8] = {-1, 1, 1, 1, 1, 1, 1, -1}; const float AX25_SYNC_FLAG_MAP[8] =
const uint8_t AX25_SYNC_FLAG_MAP_BIN[8] = {0, 1, 1, 1, 1, 1, 1, 0}; { -1, 1, 1, 1, 1, 1, 1, -1 };
const uint8_t AX25_SYNC_FLAG_MAP_BIN[8] =
{ 0, 1, 1, 1, 1, 1, 1, 0 };
/** /**
* AX.25 Frame types * AX.25 Frame types
*/ */
@ -52,14 +56,12 @@ namespace gr
typedef enum typedef enum
{ {
AX25_ENC_FAIL, AX25_ENC_FAIL, AX25_ENC_OK
AX25_ENC_OK
} ax25_encode_status_t; } ax25_encode_status_t;
typedef enum typedef enum
{ {
AX25_DEC_FAIL, AX25_DEC_FAIL, AX25_DEC_OK
AX25_DEC_OK
} ax25_decode_status_t; } ax25_decode_status_t;
typedef struct typedef struct
@ -85,7 +87,7 @@ namespace gr
{ {
uint16_t fcs = 0xFFFF; uint16_t fcs = 0xFFFF;
while (len--) { while (len--) {
fcs = (fcs >> 8) ^ crc16_ccitt_table_reverse[(fcs ^ *buffer++) & 0xFF]; fcs = (fcs >> 8) ^ crc16_ccitt_table_reverse[(fcs ^ *buffer++) & 0xFF];
} }
return fcs ^ 0xFFFF; return fcs ^ 0xFFFF;
} }
@ -100,35 +102,35 @@ namespace gr
*/ */
static inline size_t static inline size_t
ax25_create_addr_field (uint8_t *out, std::string dest_addr, ax25_create_addr_field (uint8_t *out, std::string dest_addr,
uint8_t dest_ssid, std::string src_addr, uint8_t dest_ssid, std::string src_addr,
uint8_t src_ssid) uint8_t src_ssid)
{ {
size_t i; size_t i;
for(i = 0; i < dest_addr.length(); i++) { for (i = 0; i < dest_addr.length (); i++) {
*out++ = dest_addr[i] << 1; *out++ = dest_addr[i] << 1;
} }
/* /*
* Perhaps the destination callsign was smaller that the maximum allowed. * Perhaps the destination callsign was smaller that the maximum allowed.
* In this case the leftover bytes should be filled with space * In this case the leftover bytes should be filled with space
*/ */
for(; i < AX25_CALLSIGN_MAX_LEN; i++){ for (; i < AX25_CALLSIGN_MAX_LEN; i++) {
*out++ = ' ' << 1; *out++ = ' ' << 1;
} }
/* Apply SSID, reserved and C bit */ /* Apply SSID, reserved and C bit */
/* FIXME: C bit is set to 0 implicitly */ /* FIXME: C bit is set to 0 implicitly */
*out++ = ((0b1111 & dest_ssid) << 1) | 0b01100000; *out++ = ((0b1111 & dest_ssid) << 1) | 0b01100000;
for(i = 0; i < src_addr.length(); i++) { for (i = 0; i < src_addr.length (); i++) {
*out++ = dest_addr[i] << 1; *out++ = dest_addr[i] << 1;
} }
for(; i < AX25_CALLSIGN_MAX_LEN; i++){ for (; i < AX25_CALLSIGN_MAX_LEN; i++) {
*out++ = ' ' << 1; *out++ = ' ' << 1;
} }
/* Apply SSID, reserved and C bit. As this is the last address field /* Apply SSID, reserved and C bit. As this is the last address field
* the trailing bit is set to 1. * the trailing bit is set to 1.
* / * /
/* FIXME: C bit is set to 0 implicitly */ /* FIXME: C bit is set to 0 implicitly */
*out++ = ((0b1111 & dest_ssid) << 1) | 0b01100001; *out++ = ((0b1111 & dest_ssid) << 1) | 0b01100001;
return AX25_MIN_ADDR_LEN; return AX25_MIN_ADDR_LEN;
} }
@ -139,7 +141,7 @@ namespace gr
* @return the destination SSID * @return the destination SSID
*/ */
static inline uint8_t static inline uint8_t
ax25_get_dest_ssid(const uint8_t *in) ax25_get_dest_ssid (const uint8_t *in)
{ {
uint8_t ret; uint8_t ret;
ret = in[AX25_CALLSIGN_MAX_LEN]; ret = in[AX25_CALLSIGN_MAX_LEN];
@ -148,34 +150,34 @@ namespace gr
static inline size_t static inline size_t
ax25_prepare_frame (uint8_t *out, const uint8_t *info, size_t info_len, ax25_prepare_frame (uint8_t *out, const uint8_t *info, size_t info_len,
ax25_frame_type_t type, uint8_t *addr, size_t addr_len, ax25_frame_type_t type, uint8_t *addr, size_t addr_len,
uint16_t ctrl, size_t ctrl_len, size_t preamble_len, uint16_t ctrl, size_t ctrl_len, size_t preamble_len,
size_t postamble_len) size_t postamble_len)
{ {
uint16_t fcs; uint16_t fcs;
size_t i; size_t i;
if(info_len > AX25_MAX_FRAME_LEN) { if (info_len > AX25_MAX_FRAME_LEN) {
return 0; return 0;
} }
memset(out, AX25_SYNC_FLAG, preamble_len); memset (out, AX25_SYNC_FLAG, preamble_len);
i = preamble_len; i = preamble_len;
/* Insert address and control fields */ /* Insert address and control fields */
if( addr_len == AX25_MIN_ADDR_LEN || addr_len == AX25_MAX_ADDR_LEN){ if (addr_len == AX25_MIN_ADDR_LEN || addr_len == AX25_MAX_ADDR_LEN) {
memcpy(out + i, addr, addr_len); memcpy (out + i, addr, addr_len);
i += addr_len; i += addr_len;
} }
else{ else {
return 0; return 0;
} }
if( ctrl_len == AX25_MIN_CTRL_LEN || ctrl_len == AX25_MAX_CTRL_LEN){ if (ctrl_len == AX25_MIN_CTRL_LEN || ctrl_len == AX25_MAX_CTRL_LEN) {
memcpy(out + i, &ctrl, ctrl_len); memcpy (out + i, &ctrl, ctrl_len);
i += ctrl_len; i += ctrl_len;
} }
else{ else {
return 0; return 0;
} }
/* /*
@ -184,17 +186,17 @@ namespace gr
* inserted * inserted
*/ */
if (type == AX25_I_FRAME || type == AX25_UI_FRAME) { if (type == AX25_I_FRAME || type == AX25_UI_FRAME) {
out[i++] = 0xF0; out[i++] = 0xF0;
} }
memcpy(out + i, info, info_len); memcpy (out + i, info, info_len);
i += info_len; i += info_len;
/* Compute the FCS. Ignore the first flag byte */ /* Compute the FCS. Ignore the first flag byte */
fcs = ax25_fcs(out + preamble_len, i - preamble_len); fcs = ax25_fcs (out + preamble_len, i - preamble_len);
/* The MS bits are sent first ONLY at the FCS field */ /* The MS bits are sent first ONLY at the FCS field */
out[i++] = fcs & 0xFF; out[i++] = fcs & 0xFF;
out[i++] = (fcs >> 8) & 0xFF; out[i++] = (fcs >> 8) & 0xFF;
memset(out + i, AX25_SYNC_FLAG, postamble_len); memset (out + i, AX25_SYNC_FLAG, postamble_len);
return i + postamble_len; return i + postamble_len;
} }
@ -215,12 +217,18 @@ namespace gr
* *
* @param buffer_len the length of the input buffer. * @param buffer_len the length of the input buffer.
* *
* @param preamble_len the number of consecutive AX.25 flags that will
* be placed in the preamble. This preamble will be NOT bit-stuffed.
*
* @param postamble_len the number of consecutive AX.25 flags that will
* be placed in the postamble. This postamble will be NOT bit-stuffed.
*
* @return the resulting status of the encoding * @return the resulting status of the encoding
*/ */
static inline ax25_encode_status_t static inline ax25_encode_status_t
ax25_nrz_bit_stuffing (float *out, size_t *out_len, const uint8_t *buffer, ax25_nrz_bit_stuffing (float *out, size_t *out_len, const uint8_t *buffer,
size_t buffer_len, size_t preamble_len, size_t buffer_len, size_t preamble_len,
size_t postamble_len) size_t postamble_len)
{ {
uint8_t bit; uint8_t bit;
uint8_t prev_bit = 0; uint8_t prev_bit = 0;
@ -231,44 +239,44 @@ namespace gr
size_t i; size_t i;
/* Leading FLAG field does not need bit stuffing */ /* Leading FLAG field does not need bit stuffing */
for(i = 0; i < preamble_len; i++) { for (i = 0; i < preamble_len; i++) {
memcpy(out + out_idx, AX25_SYNC_FLAG_MAP, 8 * sizeof(float)); memcpy (out + out_idx, AX25_SYNC_FLAG_MAP, 8 * sizeof(float));
out_idx += 8; out_idx += 8;
} }
/* Skip the leading and trailing FLAG field */ /* Skip the leading and trailing FLAG field */
buffer += preamble_len; buffer += preamble_len;
for(i = 0; i < 8 * (buffer_len - preamble_len - postamble_len); i++){ for (i = 0; i < 8 * (buffer_len - preamble_len - postamble_len); i++) {
bit = (buffer[i / 8] >> ( i % 8)) & 0x1; bit = (buffer[i / 8] >> (i % 8)) & 0x1;
out[out_idx++] = bit ? 1.0 : -1.0; out[out_idx++] = bit ? 1.0 : -1.0;
/* Check if bit stuffing should be applied */ /* Check if bit stuffing should be applied */
if(bit & prev_bit){ if (bit & prev_bit) {
cont_1++; cont_1++;
total_cont_1++; total_cont_1++;
if(cont_1 == 4){ if (cont_1 == 4) {
out[out_idx++] = -1.0; out[out_idx++] = -1.0;
cont_1 = 0; cont_1 = 0;
} }
} }
else{ else {
cont_1 = total_cont_1 = 0; cont_1 = total_cont_1 = 0;
} }
prev_bit = bit; prev_bit = bit;
/* /*
* If the total number of continuous 1's is 15 the the frame should be * If the total number of continuous 1's is 15 the the frame should be
* dropped * dropped
*/ */
if(total_cont_1 >= 14) { if (total_cont_1 >= 14) {
return AX25_ENC_FAIL; return AX25_ENC_FAIL;
} }
} }
/* Trailing FLAG field does not need bit stuffing */ /* Trailing FLAG field does not need bit stuffing */
for(i = 0; i < postamble_len; i++) { for (i = 0; i < postamble_len; i++) {
memcpy(out + out_idx, AX25_SYNC_FLAG_MAP, 8 * sizeof(float)); memcpy (out + out_idx, AX25_SYNC_FLAG_MAP, 8 * sizeof(float));
out_idx += 8; out_idx += 8;
} }
*out_len = out_idx; *out_len = out_idx;
@ -291,12 +299,18 @@ namespace gr
* *
* @param buffer_len the length of the input buffer. * @param buffer_len the length of the input buffer.
* *
* @param preamble_len the number of consecutive AX.25 flags that will
* be placed in the preamble. This preamble will be NOT bit-stuffed.
*
* @param postamble_len the number of consecutive AX.25 flags that will
* be placed in the postamble. This postamble will be NOT bit-stuffed.
*
* @return the resulting status of the encoding * @return the resulting status of the encoding
*/ */
static inline ax25_encode_status_t static inline ax25_encode_status_t
ax25_bit_stuffing (uint8_t *out, size_t *out_len, const uint8_t *buffer, ax25_bit_stuffing (uint8_t *out, size_t *out_len, const uint8_t *buffer,
const size_t buffer_len, size_t preamble_len, const size_t buffer_len, size_t preamble_len,
size_t postamble_len) size_t postamble_len)
{ {
uint8_t bit; uint8_t bit;
uint8_t shift_reg = 0x0; uint8_t shift_reg = 0x0;
@ -305,29 +319,29 @@ namespace gr
size_t i; size_t i;
/* Leading FLAG field does not need bit stuffing */ /* Leading FLAG field does not need bit stuffing */
for(i = 0; i < preamble_len; i++) { for (i = 0; i < preamble_len; i++) {
memcpy(out + out_idx, AX25_SYNC_FLAG_MAP_BIN, 8 * sizeof(uint8_t)); memcpy (out + out_idx, AX25_SYNC_FLAG_MAP_BIN, 8 * sizeof(uint8_t));
out_idx += 8; out_idx += 8;
} }
/* Skip the leading and trailing FLAG field */ /* Skip the leading and trailing FLAG field */
buffer += preamble_len; buffer += preamble_len;
for(i = 0; i < 8 * (buffer_len - preamble_len - postamble_len); i++){ for (i = 0; i < 8 * (buffer_len - preamble_len - postamble_len); i++) {
bit = (buffer[i / 8] >> ( i % 8)) & 0x1; bit = (buffer[i / 8] >> (i % 8)) & 0x1;
shift_reg = (shift_reg << 1) | bit; shift_reg = (shift_reg << 1) | bit;
out[out_idx++] = bit; out[out_idx++] = bit;
/* Check if bit stuffing should be applied */ /* Check if bit stuffing should be applied */
if( (shift_reg & 0x1F) == 0x1F){ if ((shift_reg & 0x1F) == 0x1F) {
out[out_idx++] = 0x0; out[out_idx++] = 0x0;
shift_reg = 0x0; shift_reg = 0x0;
} }
} }
/* Trailing FLAG field does not need bit stuffing */ /* Trailing FLAG field does not need bit stuffing */
for(i = 0; i < postamble_len; i++) { for (i = 0; i < postamble_len; i++) {
memcpy(out + out_idx, AX25_SYNC_FLAG_MAP_BIN, 8 * sizeof(uint8_t)); memcpy (out + out_idx, AX25_SYNC_FLAG_MAP_BIN, 8 * sizeof(uint8_t));
out_idx += 8; out_idx += 8;
} }
*out_len = out_idx; *out_len = out_idx;
@ -335,8 +349,8 @@ namespace gr
} }
static inline ax25_decode_status_t static inline ax25_decode_status_t
ax25_decode (uint8_t *out, size_t *out_len, ax25_decode (uint8_t *out, size_t *out_len, const uint8_t *ax25_frame,
const uint8_t *ax25_frame, size_t len) size_t len)
{ {
size_t i; size_t i;
size_t frame_start = UINT_MAX; size_t frame_start = UINT_MAX;
@ -349,82 +363,81 @@ namespace gr
uint16_t fcs; uint16_t fcs;
uint16_t recv_fcs; uint16_t recv_fcs;
/* Start searching for the SYNC flag */ /* Start searching for the SYNC flag */
for(i = 0; i < len - sizeof(AX25_SYNC_FLAG_MAP_BIN); i++) { for (i = 0; i < len - sizeof(AX25_SYNC_FLAG_MAP_BIN); i++) {
res = (AX25_SYNC_FLAG_MAP_BIN[0] ^ ax25_frame[i]) | res = (AX25_SYNC_FLAG_MAP_BIN[0] ^ ax25_frame[i])
(AX25_SYNC_FLAG_MAP_BIN[1] ^ ax25_frame[i + 1]) | | (AX25_SYNC_FLAG_MAP_BIN[1] ^ ax25_frame[i + 1])
(AX25_SYNC_FLAG_MAP_BIN[2] ^ ax25_frame[i + 2]) | | (AX25_SYNC_FLAG_MAP_BIN[2] ^ ax25_frame[i + 2])
(AX25_SYNC_FLAG_MAP_BIN[3] ^ ax25_frame[i + 3]) | | (AX25_SYNC_FLAG_MAP_BIN[3] ^ ax25_frame[i + 3])
(AX25_SYNC_FLAG_MAP_BIN[4] ^ ax25_frame[i + 4]) | | (AX25_SYNC_FLAG_MAP_BIN[4] ^ ax25_frame[i + 4])
(AX25_SYNC_FLAG_MAP_BIN[5] ^ ax25_frame[i + 5]) | | (AX25_SYNC_FLAG_MAP_BIN[5] ^ ax25_frame[i + 5])
(AX25_SYNC_FLAG_MAP_BIN[6] ^ ax25_frame[i + 6]) | | (AX25_SYNC_FLAG_MAP_BIN[6] ^ ax25_frame[i + 6])
(AX25_SYNC_FLAG_MAP_BIN[7] ^ ax25_frame[i + 7]); | (AX25_SYNC_FLAG_MAP_BIN[7] ^ ax25_frame[i + 7]);
/* Found it! */ /* Found it! */
if(res == 0){ if (res == 0) {
frame_start = i; frame_start = i;
break; break;
} }
} }
/* We failed to find the SYNC flag */ /* We failed to find the SYNC flag */
if(frame_start == UINT_MAX){ if (frame_start == UINT_MAX) {
return AX25_DEC_FAIL; return AX25_DEC_FAIL;
} }
for(i = frame_start + sizeof(AX25_SYNC_FLAG_MAP_BIN); for (i = frame_start + sizeof(AX25_SYNC_FLAG_MAP_BIN);
i < len - sizeof(AX25_SYNC_FLAG_MAP_BIN) + 1; i++) { i < len - sizeof(AX25_SYNC_FLAG_MAP_BIN) + 1; i++) {
/* Check if we reached the frame end */ /* Check if we reached the frame end */
res = (AX25_SYNC_FLAG_MAP_BIN[0] ^ ax25_frame[i]) | res = (AX25_SYNC_FLAG_MAP_BIN[0] ^ ax25_frame[i])
(AX25_SYNC_FLAG_MAP_BIN[1] ^ ax25_frame[i + 1]) | | (AX25_SYNC_FLAG_MAP_BIN[1] ^ ax25_frame[i + 1])
(AX25_SYNC_FLAG_MAP_BIN[2] ^ ax25_frame[i + 2]) | | (AX25_SYNC_FLAG_MAP_BIN[2] ^ ax25_frame[i + 2])
(AX25_SYNC_FLAG_MAP_BIN[3] ^ ax25_frame[i + 3]) | | (AX25_SYNC_FLAG_MAP_BIN[3] ^ ax25_frame[i + 3])
(AX25_SYNC_FLAG_MAP_BIN[4] ^ ax25_frame[i + 4]) | | (AX25_SYNC_FLAG_MAP_BIN[4] ^ ax25_frame[i + 4])
(AX25_SYNC_FLAG_MAP_BIN[5] ^ ax25_frame[i + 5]) | | (AX25_SYNC_FLAG_MAP_BIN[5] ^ ax25_frame[i + 5])
(AX25_SYNC_FLAG_MAP_BIN[6] ^ ax25_frame[i + 6]) | | (AX25_SYNC_FLAG_MAP_BIN[6] ^ ax25_frame[i + 6])
(AX25_SYNC_FLAG_MAP_BIN[7] ^ ax25_frame[i + 7]); | (AX25_SYNC_FLAG_MAP_BIN[7] ^ ax25_frame[i + 7]);
/* Found it! */ /* Found it! */
if(res == 0){ if (res == 0) {
frame_stop = i; frame_stop = i;
break; break;
} }
if (ax25_frame[i]) { if (ax25_frame[i]) {
cont_1++; cont_1++;
decoded_byte |= 1 << bit_cnt; decoded_byte |= 1 << bit_cnt;
bit_cnt++; bit_cnt++;
} }
else { else {
/* If 5 consecutive 1's drop the extra zero*/ /* If 5 consecutive 1's drop the extra zero*/
if (cont_1 >= 5) { if (cont_1 >= 5) {
cont_1 = 0; cont_1 = 0;
} }
else{ else {
bit_cnt++; bit_cnt++;
cont_1 = 0; cont_1 = 0;
} }
} }
/* Fill the fully constructed byte */ /* Fill the fully constructed byte */
if(bit_cnt == 8){ if (bit_cnt == 8) {
out[received_bytes++] = decoded_byte; out[received_bytes++] = decoded_byte;
bit_cnt = 0; bit_cnt = 0;
decoded_byte = 0x0; decoded_byte = 0x0;
} }
} }
if(frame_stop == UINT_MAX || received_bytes < AX25_MIN_ADDR_LEN){ if (frame_stop == UINT_MAX || received_bytes < AX25_MIN_ADDR_LEN) {
return AX25_DEC_FAIL; return AX25_DEC_FAIL;
} }
/* Now check the CRC */ /* Now check the CRC */
fcs = ax25_fcs (out, received_bytes - sizeof(uint16_t)); fcs = ax25_fcs (out, received_bytes - sizeof(uint16_t));
recv_fcs = (((uint16_t) out[received_bytes - 2]) << 8) recv_fcs = (((uint16_t) out[received_bytes - 2]) << 8)
| out[received_bytes - 1]; | out[received_bytes - 1];
if(fcs != recv_fcs) { if (fcs != recv_fcs) {
LOG_WARN("AX.25 CRC-16 failed"); LOG_WARN("AX.25 CRC-16 failed");
return AX25_DEC_FAIL; return AX25_DEC_FAIL;
} }
*out_len = received_bytes - sizeof(uint16_t); *out_len = received_bytes - sizeof(uint16_t);
@ -436,6 +449,4 @@ namespace gr
} // namespace gr } // namespace gr
#endif /* INCLUDE_SATNOGS_AX25_H_ */ #endif /* INCLUDE_SATNOGS_AX25_H_ */

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@ -44,14 +44,14 @@ namespace gr
/*! /*!
* *
* @param filename the OGG audio file path * @param filename the OGG audio file path
* @param number of channels of the OGG stream. If the actual OGG stream * @param channels number of channels of the OGG stream.
* contains a different number of channels than specified an exception * If the actual OGG stream contains a different number of channels
* is raised * than specified an exception is raised
* @param repeat if set to true, when EOF is reached the block * @param repeat if set to true, when EOF is reached the block
* will continue to output samples from the beginning of the OGG file. * will continue to output samples from the beginning of the OGG file.
*/ */
static sptr static sptr
make (const std::string& filename, size_t channels = 1, make (const std::string& filename, int channels = 1,
bool repeat = false); bool repeat = false);
}; };

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@ -47,12 +47,12 @@ namespace gr
* *
* @param addr the address of the interface to listen at * @param addr the address of the interface to listen at
* @param port the TCP port to listen or connect * @param port the TCP port to listen or connect
* @param serve_mode If set to yes this block, act as a rigctl server. * @param server_mode If set to yes this block, act as a rigctl server.
* Otherwise as a rigctl client * Otherwise as a rigctl client
* @param interval_ms The interval in milliseconds at which the client * @param interval_ms The interval in milliseconds at which the client
* request the frequency from the rigctl * request the frequency from the rigctl
* @param mtu the maximum MTU * @param mtu the maximum MTU
* @return * @return shared pointer of the block
*/ */
static sptr static sptr
make (const std::string& addr, uint16_t port, bool server_mode, make (const std::string& addr, uint16_t port, bool server_mode,

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@ -77,20 +77,19 @@ namespace gr
* delivered at the sink block out-of-sync causing the frame transmission * delivered at the sink block out-of-sync causing the frame transmission
* to terminate sooner. * to terminate sooner.
* *
* @param ax25_dest_addr the destination AX.25 address
* @param ax25_dest_ssid the destination AX.25 SSID
* @param ax25_src_addr the source AX.25 address
* @param ax25_src_ssid the source AX.25 SSID
*
*/ */
static sptr static sptr
make (const std::vector<uint8_t>& preamble, make (const std::vector<uint8_t>& preamble,
const std::vector<uint8_t>& sync_word, const std::vector<uint8_t>& sync_word, bool append_crc,
bool append_crc, bool whitening, bool manchester, bool msb_first, bool ax25_format,
bool whitening, const std::string& ax25_dest_addr, uint8_t ax25_dest_ssid,
bool manchester, const std::string& ax25_src_addr, uint8_t ax25_src_ssid,
bool msb_first, size_t settling_samples);
bool ax25_format,
const std::string& ax25_dest_addr,
uint8_t ax25_dest_ssid,
const std::string& ax25_src_addr,
uint8_t ax25_src_ssid,
size_t settling_samples);
}; };
} // namespace satnogs } // namespace satnogs

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@ -126,7 +126,7 @@ namespace gr
void void
noaa_apt_sink_impl::write_image (png::image<png::gray_pixel> image, noaa_apt_sink_impl::write_image (png::image<png::gray_pixel> image,
std::string filename) std::string filename)
{ {
// In case the flip option is set // In case the flip option is set
if(d_flip) { if(d_flip) {

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@ -36,7 +36,7 @@ namespace gr {
namespace satnogs { namespace satnogs {
ogg_source::sptr ogg_source::sptr
ogg_source::make (const std::string& filename, size_t channels, bool repeat) ogg_source::make (const std::string& filename, int channels, bool repeat)
{ {
return gnuradio::get_initial_sptr ( return gnuradio::get_initial_sptr (
new ogg_source_impl (filename, channels, repeat)); new ogg_source_impl (filename, channels, repeat));
@ -46,7 +46,7 @@ namespace gr {
* The private constructor * The private constructor
*/ */
ogg_source_impl::ogg_source_impl (const std::string& filename, ogg_source_impl::ogg_source_impl (const std::string& filename,
size_t channels, bool repeat) : int channels, bool repeat) :
gr::sync_block ( gr::sync_block (
"ogg_source", gr::io_signature::make (0, 0, 0), "ogg_source", gr::io_signature::make (0, 0, 0),
gr::io_signature::make (channels, channels, sizeof(float))), gr::io_signature::make (channels, channels, sizeof(float))),
@ -102,12 +102,13 @@ namespace gr {
long int ret; long int ret;
int section = 0; int section = 0;
int available = (noutput_items / d_channels); int available = (noutput_items / d_channels);
int available_samples = 0;
int produced = 0; int produced = 0;
ret = ov_read (&d_ogvorb_f, (char *)d_in_buffer, ret = ov_read (&d_ogvorb_f, (char *)d_in_buffer,
available * sizeof(int16_t), available * sizeof(int16_t),
0, sizeof(int16_t), 1, &section); 0, sizeof(int16_t), 1, &section);
if(ret < sizeof(int16_t)) { if(ret <= 0) {
/* /*
* If return value is EOF and the repeat mode is set seek back to the * If return value is EOF and the repeat mode is set seek back to the
* start of the ogg stream * start of the ogg stream
@ -122,12 +123,13 @@ namespace gr {
return WORK_DONE; return WORK_DONE;
} }
available_samples = ret / sizeof(int16_t);
/* Convert to float the signed-short audio samples */ /* Convert to float the signed-short audio samples */
volk_16i_s32f_convert_32f (d_out_buffer, d_in_buffer, 2 << 15, volk_16i_s32f_convert_32f (d_out_buffer, d_in_buffer, 2 << 15,
ret / sizeof(int16_t)); available_samples);
/* De-interleave the available channels */ /* De-interleave the available channels */
for(int i = 0; i < ret / sizeof(int16_t); i += d_channels, produced++) { for(int i = 0; i < available_samples; i += d_channels, produced++) {
for(int chan = 0; chan < d_channels; chan++){ for(int chan = 0; chan < d_channels; chan++){
((float *)output_items[chan])[produced] = d_out_buffer[i * d_channels + chan]; ((float *)output_items[chan])[produced] = d_out_buffer[i * d_channels + chan];
} }

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@ -33,7 +33,7 @@ namespace gr
class ogg_source_impl : public ogg_source class ogg_source_impl : public ogg_source
{ {
private: private:
const size_t d_channels; const int d_channels;
const bool d_repeat; const bool d_repeat;
OggVorbis_File d_ogvorb_f; OggVorbis_File d_ogvorb_f;
@ -41,7 +41,7 @@ namespace gr
float *d_out_buffer; float *d_out_buffer;
public: public:
ogg_source_impl (const std::string& filename, size_t channels, ogg_source_impl (const std::string& filename, int channels,
bool repeat); bool repeat);
~ogg_source_impl (); ~ogg_source_impl ();