The beginnings of simple System Fusion support.
This commit is contained in:
Jonathan Naylor
parent
87322b631b
commit
f2f2866d15
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@ -16,6 +16,7 @@
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "Golay24128.h"
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#include "AMBEFEC.h"
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#include <cstdio>
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@ -19,8 +19,6 @@
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#ifndef AMBEFEC_H
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#define AMBEFEC_H
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#include "Golay24128.h"
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class CAMBEFEC {
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public:
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CAMBEFEC();
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58
CRC.cpp
58
CRC.cpp
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@ -26,7 +26,7 @@
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#include <cassert>
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#include <cmath>
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const uint16_t CCITT16_TABLE[] = {
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const uint16_t CCITT16_TABLE1[] = {
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0x0000U, 0x1189U, 0x2312U, 0x329bU, 0x4624U, 0x57adU, 0x6536U, 0x74bfU,
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0x8c48U, 0x9dc1U, 0xaf5aU, 0xbed3U, 0xca6cU, 0xdbe5U, 0xe97eU, 0xf8f7U,
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0x1081U, 0x0108U, 0x3393U, 0x221aU, 0x56a5U, 0x472cU, 0x75b7U, 0x643eU,
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@ -60,6 +60,40 @@ const uint16_t CCITT16_TABLE[] = {
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0xf78fU, 0xe606U, 0xd49dU, 0xc514U, 0xb1abU, 0xa022U, 0x92b9U, 0x8330U,
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0x7bc7U, 0x6a4eU, 0x58d5U, 0x495cU, 0x3de3U, 0x2c6aU, 0x1ef1U, 0x0f78U };
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const uint16_t CCITT16_TABLE2[] = {
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
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0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
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0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
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0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
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0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
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0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
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0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
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0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
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0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
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0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
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0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
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0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
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0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
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0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
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0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
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0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
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0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
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0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
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0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
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0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
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0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
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0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
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0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0 };
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bool CCRC::checkFiveBit(bool* in, unsigned int tcrc)
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{
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assert(in != NULL);
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@ -144,7 +178,7 @@ void CCRC::addCCITT16(unsigned char *in, unsigned int length)
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crc16 = 0xFFFFU;
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for (unsigned int i = 0U; i < (length - 2U); i++)
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crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE[crc8[0U] ^ in[i]];
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crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE1[crc8[0U] ^ in[i]];
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crc16 = ~crc16;
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@ -168,3 +202,23 @@ unsigned char CCRC::crc8(const unsigned char *in, unsigned int length)
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return crc >> 8;
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}
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bool CCRC::crcFICH(const unsigned char* fich)
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{
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assert(fich != NULL);
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union {
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uint16_t crc16;
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uint8_t crc8[2U];
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};
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crc16 = 0U;
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crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ fich[0U]];
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crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ fich[1U]];
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crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ fich[2U]];
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crc16 = (uint16_t(crc8[0U]) << 8) ^ CCITT16_TABLE2[crc8[1U] ^ fich[3U]];
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crc16 = ~crc16;
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return crc8[0U] == fich[5U] && crc8[1U] == fich[4U];
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}
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2
CRC.h
2
CRC.h
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@ -31,6 +31,8 @@ public:
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static unsigned char encodeEightBit(const unsigned char* in, unsigned int length);
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static unsigned char crc8(const unsigned char* in, unsigned int length);
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static bool crcFICH(const unsigned char* fich);
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};
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#endif
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@ -5,6 +5,9 @@
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#include "Golay24128.h"
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#include <cstdio>
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#include <cassert>
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const unsigned int ENCODING_TABLE_23127[] = {
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0x000000U, 0x0018EAU, 0x00293EU, 0x0031D4U, 0x004A96U, 0x00527CU, 0x0063A8U, 0x007B42U, 0x008DC6U, 0x00952CU,
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0x00A4F8U, 0x00BC12U, 0x00C750U, 0x00DFBAU, 0x00EE6EU, 0x00F684U, 0x010366U, 0x011B8CU, 0x012A58U, 0x0132B2U,
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@ -1090,3 +1093,16 @@ unsigned int CGolay24128::decode24128(unsigned int code)
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{
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return decode23127(code >> 1);
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}
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unsigned int CGolay24128::decode24128(unsigned char* bytes)
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{
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assert(bytes != NULL);
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unsigned int code = bytes[0U];
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code <<= 8;
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code |= bytes[1U];
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code <<= 8;
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code |= bytes[2U];
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return decode23127(code >> 1);
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}
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static unsigned int decode23127(unsigned int code);
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static unsigned int decode24128(unsigned int code);
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static unsigned int decode24128(unsigned char* bytes);
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};
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#endif
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@ -189,8 +189,10 @@
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<ClInclude Include="UDPSocket.h" />
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<ClInclude Include="Utils.h" />
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<ClInclude Include="Version.h" />
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<ClInclude Include="YSFConvolution.h" />
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<ClInclude Include="YSFDefines.h" />
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<ClInclude Include="YSFEcho.h" />
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<ClInclude Include="YSFFICH.h" />
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="AMBEFEC.cpp" />
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@ -231,7 +233,9 @@
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<ClCompile Include="Timer.cpp" />
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<ClCompile Include="UDPSocket.cpp" />
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<ClCompile Include="Utils.cpp" />
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<ClCompile Include="YSFConvolution.cpp" />
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<ClCompile Include="YSFEcho.cpp" />
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<ClCompile Include="YSFFICH.cpp" />
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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@ -146,6 +146,12 @@
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<ClInclude Include="DStarControl.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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<ClInclude Include="YSFConvolution.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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<ClInclude Include="YSFFICH.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="BPTC19696.cpp">
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@ -265,5 +271,11 @@
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<ClCompile Include="DStarControl.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="YSFConvolution.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="YSFFICH.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>
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12
Makefile
12
Makefile
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@ -7,10 +7,12 @@ all: MMDVMHost
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MMDVMHost: AMBEFEC.o BPTC19696.o Conf.o CRC.o CSBK.o Display.o DMRControl.o DMRData.o DMRDataHeader.o DMRSlot.o DMRSync.o DStarControl.o DStarHeader.o \
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DStarNetwork.o DStarSlowData.o EMB.o EmbeddedLC.o FullLC.o Golay2087.o Golay24128.o Hamming.o HomebrewDMRIPSC.o LC.o Log.o MMDVMHost.o Modem.o \
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NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o ShortLC.o SlotType.o StopWatch.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFEcho.o
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NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o ShortLC.o SlotType.o StopWatch.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFConvolution.o \
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YSFEcho.o YSFFICH.o
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$(CC) $(LDFLAGS) -o MMDVMHost AMBEFEC.o BPTC19696.o Conf.o CRC.o CSBK.o Display.o DMRControl.o DMRData.o DMRDataHeader.o DMRSlot.o DMRSync.o DStarControl.o \
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DStarHeader.o DStarNetwork.o DStarSlowData.o EMB.o EmbeddedLC.o FullLC.o Golay2087.o Golay24128.o Hamming.o HomebrewDMRIPSC.o LC.o Log.o MMDVMHost.o \
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Modem.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o ShortLC.o SlotType.o StopWatch.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFEcho.o \
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Modem.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o ShortLC.o SlotType.o StopWatch.o TFTSerial.o Timer.o UDPSocket.o Utils.o \
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YSFConvolution.o YSFEcho.o YSFFICH.o
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$(LIBS)
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AMBEFEC.o: AMBEFEC.cpp AMBEFEC.h Golay24128.h
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@ -130,8 +132,14 @@ UDPSocket.o: UDPSocket.cpp UDPSocket.h Log.h
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Utils.o: Utils.cpp Utils.h Log.h
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$(CC) $(CFLAGS) -c Utils.cpp
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YSFConvolution.o: YSFConvolution.cpp YSFConvolution.h
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$(CC) $(CFLAGS) -c YSFConvolution.cpp
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YSFEcho.o: YSFEcho.cpp YSFEcho.h YSFDefines.h RingBuffer.h Timer.h
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$(CC) $(CFLAGS) -c YSFEcho.cpp
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YSFFICH.o: YSFFICH.cpp YSFFICH.h YSFConvolution.h CRC.h Golay24128.h
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$(CC) $(CFLAGS) -c YSFFICH.cpp
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clean:
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$(RM) MMDVMHost *.o *.bak *~
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@ -19,6 +19,6 @@
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#if !defined(VERSION_H)
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#define VERSION_H
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const char* VERSION = "20160203";
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const char* VERSION = "20160204";
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#endif
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@ -0,0 +1,115 @@
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/*
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* Copyright (C) 2009-2016 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "YSFConvolution.h"
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#include <cstdio>
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#include <cassert>
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#include <cstring>
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const unsigned int BUFFER_LENGTH = 200U;
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const unsigned char BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U};
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#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
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#define READ_BIT1(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7])
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const unsigned char BRANCH_TABLE1[] = {0U, 0U, 0U, 0U, 1U, 1U, 1U, 1U};
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const unsigned char BRANCH_TABLE2[] = {0U, 1U, 1U, 0U, 0U, 1U, 1U, 0U};
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CYSFConvolution::CYSFConvolution() :
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m_metrics1(NULL),
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m_metrics2(NULL),
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m_oldMetrics(NULL),
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m_newMetrics(NULL),
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m_decisions(NULL),
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m_dp(NULL)
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{
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m_metrics1 = new unsigned short[16U];
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m_metrics2 = new unsigned short[16U];
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m_decisions = new unsigned long long[100U];
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}
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CYSFConvolution::~CYSFConvolution()
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{
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delete[] m_metrics1;
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delete[] m_metrics2;
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delete[] m_decisions;
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}
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const unsigned int NUM_OF_STATES_D2 = 8U;
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const unsigned int NUM_OF_STATES = 16U;
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const unsigned int M = 3U;
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const unsigned int K = 5U;
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void CYSFConvolution::start()
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{
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::memset(m_metrics1, 0x00U, NUM_OF_STATES * sizeof(unsigned short));
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::memset(m_metrics2, 0x00U, NUM_OF_STATES * sizeof(unsigned short));
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m_oldMetrics = m_metrics1;
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m_newMetrics = m_metrics2;
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m_dp = m_decisions;
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}
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void CYSFConvolution::decode(unsigned char s0, unsigned char s1)
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{
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*m_dp = 0U;
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for (unsigned int i = 0U; i < NUM_OF_STATES_D2; i++) {
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unsigned int j = i * 2U;
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unsigned short metric = (BRANCH_TABLE1[i] ^ s0) + (BRANCH_TABLE2[i] ^ s1);
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unsigned short m0 = m_oldMetrics[i] + metric;
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unsigned short m1 = m_oldMetrics[i + NUM_OF_STATES_D2] + (M - metric);
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unsigned char decision0 = (m0 >= m1) ? 1U : 0U;
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m_newMetrics[j + 0U] = decision0 != 0U ? m1 : m0;
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m0 = m_oldMetrics[i] + (M - metric);
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m1 = m_oldMetrics[i + NUM_OF_STATES_D2] + metric;
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unsigned char decision1 = (m0 >= m1) ? 1U : 0U;
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m_newMetrics[j + 1U] = decision1 != 0U ? m1 : m0;
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*m_dp |= ((unsigned long long)(decision1) << (j + 1U)) | ((unsigned long long)(decision0) << (j + 0U));
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}
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++m_dp;
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unsigned short* tmp = m_oldMetrics;
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m_oldMetrics = m_newMetrics;
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m_newMetrics = tmp;
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}
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void CYSFConvolution::chainback(unsigned char* out)
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{
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assert(out != NULL);
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unsigned int state = 0U;
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||||
|
||||
unsigned char nbits = 96U;
|
||||
while (nbits-- > 0) {
|
||||
--m_dp;
|
||||
|
||||
unsigned int i = state >> (9 - K);
|
||||
unsigned char bit = (unsigned char)(*m_dp >> i) & 1;
|
||||
state = (bit << 7) | (state >> 1);
|
||||
|
||||
WRITE_BIT1(out, nbits, bit != 0U);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
|
||||
*
|
||||
* 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
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#if !defined(YSFConvolution_H)
|
||||
#define YSFConvolution_H
|
||||
|
||||
#include "YSFConvolution.h"
|
||||
|
||||
class CYSFConvolution {
|
||||
public:
|
||||
CYSFConvolution();
|
||||
~CYSFConvolution();
|
||||
|
||||
void start();
|
||||
void decode(unsigned char s0, unsigned char s1);
|
||||
void chainback(unsigned char* out);
|
||||
|
||||
private:
|
||||
unsigned short* m_metrics1;
|
||||
unsigned short* m_metrics2;
|
||||
unsigned short* m_oldMetrics;
|
||||
unsigned short* m_newMetrics;
|
||||
unsigned long long* m_decisions;
|
||||
unsigned long long* m_dp;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
|
|
@ -0,0 +1,98 @@
|
|||
/*
|
||||
* Copyright (C) 2009-2016 by Jonathan Naylor G4KLX
|
||||
*
|
||||
* 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
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#include "YSFConvolution.h"
|
||||
#include "Golay24128.h"
|
||||
#include "YSFFICH.h"
|
||||
#include "CRC.h"
|
||||
|
||||
#include <cstdio>
|
||||
#include <cassert>
|
||||
|
||||
|
||||
const unsigned char BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U};
|
||||
|
||||
#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
|
||||
#define READ_BIT1(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7])
|
||||
|
||||
const unsigned int INTERLEAVE_TABLE_RX[] = {
|
||||
0U, 40U, 80U, 120U, 160U,
|
||||
2U, 42U, 82U, 122U, 162U,
|
||||
4U, 44U, 84U, 124U, 164U,
|
||||
6U, 46U, 86U, 126U, 166U,
|
||||
8U, 48U, 88U, 128U, 168U,
|
||||
10U, 50U, 90U, 130U, 170U,
|
||||
12U, 52U, 92U, 132U, 172U,
|
||||
14U, 54U, 94U, 134U, 174U,
|
||||
16U, 56U, 96U, 136U, 176U,
|
||||
18U, 58U, 98U, 138U, 178U,
|
||||
20U, 60U, 100U, 140U, 180U,
|
||||
22U, 62U, 102U, 142U, 182U,
|
||||
24U, 64U, 104U, 144U, 184U,
|
||||
26U, 66U, 106U, 146U, 186U,
|
||||
28U, 68U, 108U, 148U, 188U,
|
||||
30U, 70U, 110U, 150U, 190U,
|
||||
32U, 72U, 112U, 152U, 192U,
|
||||
34U, 74U, 114U, 154U, 194U,
|
||||
36U, 76U, 116U, 156U, 196U,
|
||||
38U, 78U, 118U, 158U, 198U};
|
||||
|
||||
CYSFFICH::CYSFFICH()
|
||||
{
|
||||
}
|
||||
|
||||
CYSFFICH::~CYSFFICH()
|
||||
{
|
||||
}
|
||||
|
||||
bool CYSFFICH::decode(const unsigned char* data, unsigned char* fich) const
|
||||
{
|
||||
assert(data != NULL);
|
||||
assert(fich != NULL);
|
||||
|
||||
CYSFConvolution viterbi;
|
||||
viterbi.start();
|
||||
|
||||
// Deinterleave the FICH and send bits to the Viterbi decoder
|
||||
for (unsigned int i = 0U; i < 100U; i++) {
|
||||
unsigned int n = INTERLEAVE_TABLE_RX[i];
|
||||
unsigned int s0 = READ_BIT1(data, n) ? 1U : 0U;
|
||||
|
||||
n++;
|
||||
unsigned int s1 = READ_BIT1(data, n) ? 1U : 0U;
|
||||
|
||||
viterbi.decode(s0, s1);
|
||||
}
|
||||
|
||||
unsigned char output[13U];
|
||||
viterbi.chainback(output);
|
||||
|
||||
unsigned int b0 = CGolay24128::decode24128(output + 0U);
|
||||
unsigned int b1 = CGolay24128::decode24128(output + 3U);
|
||||
unsigned int b2 = CGolay24128::decode24128(output + 6U);
|
||||
unsigned int b3 = CGolay24128::decode24128(output + 9U);
|
||||
|
||||
fich[0U] = (b0 >> 16) & 0xFFU;
|
||||
fich[1U] = ((b0 >> 8) & 0xF0U) | ((b1 >> 20) & 0x0FU);
|
||||
fich[2U] = (b1 >> 12) & 0xFFU;
|
||||
fich[3U] = (b2 >> 16) & 0xFFU;
|
||||
fich[4U] = ((b2 >> 8) & 0xF0U) | ((b3 >> 20) & 0x0FU);
|
||||
fich[5U] = (b3 >> 12) & 0xFFU;
|
||||
|
||||
return CCRC::crcFICH(fich);
|
||||
}
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/*
|
||||
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
|
||||
*
|
||||
* 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
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
|
||||
#if !defined(YSFFICH_H)
|
||||
#define YSFFICH_H
|
||||
|
||||
class CYSFFICH {
|
||||
public:
|
||||
CYSFFICH();
|
||||
~CYSFFICH();
|
||||
|
||||
bool decode(const unsigned char* frame, unsigned char* fich) const;
|
||||
|
||||
private:
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue