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Added support for custom checksums

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pull/14/head
Ondřej Hruška 7 years ago
parent b74bda7cf5
commit 91e1c25c6d
Signed by: MightyPork
GPG Key ID: 2C5FD5035250423D
6 changed files with 174 additions and 147 deletions
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  1. 16
      TF_Config.example.h
  2. 237
      TinyFrame.c
  3. 65
      TinyFrame.h
  4. 1
      demo/multipart_tx/TF_Config.h
  5. 1
      demo/simple/TF_Config.h
  6. 1
      demo/socket_demo/TF_Config.h

16
TF_Config.example.h
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@ -8,6 +8,7 @@
#define TF_CONFIG_H #define TF_CONFIG_H
#include <stdint.h> #include <stdint.h>
#include <stdio.h> // used by the TF_Error() macro defined below
//#include <esp8266.h> // when using with esphttpd //#include <esp8266.h> // when using with esphttpd
//----------------------------- FRAME FORMAT --------------------------------- //----------------------------- FRAME FORMAT ---------------------------------
@ -28,11 +29,11 @@
#define TF_LEN_BYTES 2 #define TF_LEN_BYTES 2
#define TF_TYPE_BYTES 1 #define TF_TYPE_BYTES 1
// Checksum type // Checksum type. Options:
//#define TF_CKSUM_TYPE TF_CKSUM_NONE // TF_CKSUM_NONE, TF_CKSUM_XOR, TF_CKSUM_CRC16, TF_CKSUM_CRC32
//#define TF_CKSUM_TYPE TF_CKSUM_XOR // TF_CKSUM_CUSTOM8, TF_CKSUM_CUSTOM16, TF_CKSUM_CUSTOM32
#define TF_CKSUM_TYPE TF_CKSUM_CRC16 // Custom checksums require you to implement checksum functions (see TinyFrame.h)
//#define TF_CKSUM_TYPE TF_CKSUM_CRC32 #define TF_CKSUM_TYPE TF_CKSUM_CUSTOM8
// Use a SOF byte to mark the start of a frame // Use a SOF byte to mark the start of a frame
#define TF_USE_SOF_BYTE 1 #define TF_USE_SOF_BYTE 1
@ -54,7 +55,7 @@ typedef uint8_t TF_COUNT;
#define TF_MAX_PAYLOAD_RX 1024 #define TF_MAX_PAYLOAD_RX 1024
// Size of the sending buffer. Larger payloads will be split to pieces and sent // Size of the sending buffer. Larger payloads will be split to pieces and sent
// in multiple calls to the write function. This can be lowered to reduce RAM usage. // in multiple calls to the write function. This can be lowered to reduce RAM usage.
#define TF_SENDBUF_LEN 128 #define TF_SENDBUF_LEN 128
// --- Listener counts - determine sizes of the static slot tables --- // --- Listener counts - determine sizes of the static slot tables ---
@ -69,6 +70,9 @@ typedef uint8_t TF_COUNT;
// ticks = number of calls to TF_Tick() // ticks = number of calls to TF_Tick()
#define TF_PARSER_TIMEOUT_TICKS 10 #define TF_PARSER_TIMEOUT_TICKS 10
// Whether to use mutex - requires you to implement TF_ClaimTx() and TF_ReleaseTx()
#define TF_USE_MUTEX 1
// Error reporting function. To disable debug, change to empty define // Error reporting function. To disable debug, change to empty define
#define TF_Error(format, ...) printf("[TF] " format "\n", ##__VA_ARGS__) #define TF_Error(format, ...) printf("[TF] " format "\n", ##__VA_ARGS__)

237
TinyFrame.c
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@ -1,6 +1,6 @@
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
#include "TinyFrame.h" #include "TinyFrame.h"
#include <malloc.h> #include <stdlib.h> // - for malloc() if dynamic constructor is used
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
// Compatibility with ESP8266 SDK // Compatibility with ESP8266 SDK
@ -18,127 +18,126 @@
// mandate configurable field sizes unless we use u32 everywhere (and possibly shorten // mandate configurable field sizes unless we use u32 everywhere (and possibly shorten
// it when encoding to the buffer). I don't really like this idea so much. -MP // it when encoding to the buffer). I don't really like this idea so much. -MP
#if TF_USE_MUTEX==0
/** Claim the TX interface before composing and sending a frame */
static inline void TF_ClaimTx(TinyFrame *tf) { (void)tf; }
/** Free the TX interface after composing and sending a frame */
static inline void TF_ReleaseTx(TinyFrame *tf) { (void)tf; }
#endif
//region Checksums //region Checksums
#define CKSUM_RESET(cksum) do { (cksum) = TF_CksumStart(); } while (0)
#define CKSUM_ADD(cksum, byte) do { (cksum) = TF_CksumAdd((cksum), (byte)); } while (0)
#define CKSUM_FINALIZE(cksum) do { (cksum) = TF_CksumEnd((cksum)); } while (0)
#if TF_CKSUM_TYPE == TF_CKSUM_NONE #if TF_CKSUM_TYPE == TF_CKSUM_NONE
// NONE TF_CKSUM TF_CksumStart(void) { return 0; }
#define CKSUM_RESET(cksum) TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return cksum; }
#define CKSUM_ADD(cksum, byte) TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return cksum; }
#define CKSUM_FINALIZE(cksum)
#elif TF_CKSUM_TYPE == TF_CKSUM_XOR #elif TF_CKSUM_TYPE == TF_CKSUM_XOR
// ~XOR TF_CKSUM TF_CksumStart(void) { return 0; }
#define CKSUM_RESET(cksum) do { (cksum) = 0; } while (0) TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return cksum ^ byte; }
#define CKSUM_ADD(cksum, byte) do { (cksum) ^= (byte); } while(0) TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return (TF_CKSUM) ~cksum; }
#define CKSUM_FINALIZE(cksum) do { (cksum) = (TF_CKSUM)~cksum; } while(0)
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC16 #elif TF_CKSUM_TYPE == TF_CKSUM_CRC16
// TODO try to replace with an algorithm // TODO try to replace with an algorithm
/** CRC table for the CRC-16. The poly is 0x8005 (x^16 + x^15 + x^2 + 1) */ /** CRC table for the CRC-16. The poly is 0x8005 (x^16 + x^15 + x^2 + 1) */
static const uint16_t crc16_table[256] = { static const uint16_t crc16_table[256] = {
0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241, 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440, 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40, 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841, 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40, 0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41, 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641, 0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040, 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240, 0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441, 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41, 0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840, 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41, 0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40, 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640, 0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041, 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240, 0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441, 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41, 0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840, 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41, 0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40, 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640, 0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041, 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241, 0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440, 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40, 0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841, 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40, 0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41, 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641, 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
}; };
static inline uint16_t crc16_byte(uint16_t cksum, const uint8_t byte) TF_CKSUM TF_CksumStart(void) { return 0; }
{ TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return (cksum >> 8) ^ crc16_table[(cksum ^ byte) & 0xff]; }
return (cksum >> 8) ^ crc16_table[(cksum ^ byte) & 0xff]; TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return cksum; }
}
#define CKSUM_RESET(cksum) do { (cksum) = 0; } while (0)
#define CKSUM_ADD(cksum, byte) do { (cksum) = crc16_byte((cksum), (byte)); } while(0)
#define CKSUM_FINALIZE(cksum)
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC32 #elif TF_CKSUM_TYPE == TF_CKSUM_CRC32
// TODO try to replace with an algorithm // TODO try to replace with an algorithm
static const uint32_t crc32_table[] = { /* CRC polynomial 0xedb88320 */ static const uint32_t crc32_table[] = { /* CRC polynomial 0xedb88320 */
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
}; };
static inline uint32_t crc32_byte(uint32_t cksum, const uint8_t byte) TF_CKSUM TF_CksumStart(void) { return (TF_CKSUM)0xFFFFFFFF; }
{ TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte) { return crc32_table[((cksum) ^ ((uint8_t)byte)) & 0xff] ^ ((cksum) >> 8); }
return (crc32_table[((cksum) ^ ((uint8_t)byte)) & 0xff] ^ ((cksum) >> 8)); TF_CKSUM TF_CksumEnd(TF_CKSUM cksum) { return (TF_CKSUM) ~cksum; }
}
#define CKSUM_RESET(cksum) do { (cksum) = (TF_CKSUM)0xFFFFFFFF; } while (0)
#define CKSUM_ADD(cksum, byte) do { (cksum) = crc32_byte(cksum, byte); } while(0)
#define CKSUM_FINALIZE(cksum) do { (cksum) = (TF_CKSUM)~(cksum); } while(0)
#endif #endif
@ -586,8 +585,8 @@ void _TF_FN TF_AcceptChar(TinyFrame *tf, unsigned char c)
if (tf->rxi == tf->len) { if (tf->rxi == tf->len) {
#if TF_CKSUM_TYPE == TF_CKSUM_NONE #if TF_CKSUM_TYPE == TF_CKSUM_NONE
// All done // All done
TF_HandleReceivedMessage(); TF_HandleReceivedMessage(tf);
TF_ResetParser(); TF_ResetParser(tf);
#else #else
// Enter DATA_CKSUM state // Enter DATA_CKSUM state
tf->state = TFState_DATA_CKSUM; tf->state = TFState_DATA_CKSUM;
@ -898,19 +897,3 @@ void _TF_FN TF_Tick(TinyFrame *tf)
} }
} }
} }
/** Default impl for claiming write mutex; can be specific to the instance */
void __attribute__((weak)) TF_ClaimTx(TinyFrame *tf)
{
(void) tf;
// do nothing
}
/** Default impl for releasing write mutex; can be specific to the instance */
void __attribute__((weak)) TF_ReleaseTx(TinyFrame *tf)
{
(void) tf;
// do nothing
}

65
TinyFrame.h
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@ -4,13 +4,13 @@
/** /**
* TinyFrame protocol library * TinyFrame protocol library
* *
* (c) Ondřej Hruška 2017, MIT License * (c) Ondřej Hruška 2017-2018, MIT License
* no liability/warranty, free for any use, must retain this notice & license * no liability/warranty, free for any use, must retain this notice & license
* *
* Upstream URL: https://github.com/MightyPork/TinyFrame * Upstream URL: https://github.com/MightyPork/TinyFrame
*/ */
#define TF_VERSION "2.1.0" #define TF_VERSION "2.2.0"
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
#include <stdint.h> // for uint8_t etc #include <stdint.h> // for uint8_t etc
@ -19,11 +19,14 @@
#include <string.h> // for memset() #include <string.h> // for memset()
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
// Select checksum type (0 = none, 8 = ~XOR, 16 = CRC16 0x8005, 32 = CRC32) // Checksum type (0 = none, 8 = ~XOR, 16 = CRC16 0x8005, 32 = CRC32)
#define TF_CKSUM_NONE 0 #define TF_CKSUM_NONE 0
#define TF_CKSUM_XOR 8 #define TF_CKSUM_XOR 8
#define TF_CKSUM_CRC16 16 #define TF_CKSUM_CRC16 16
#define TF_CKSUM_CRC32 32 #define TF_CKSUM_CRC32 32
#define TF_CKSUM_CUSTOM8 1
#define TF_CKSUM_CUSTOM16 2
#define TF_CKSUM_CUSTOM32 3
#include "TF_Config.h" #include "TF_Config.h"
@ -62,17 +65,17 @@ typedef uint32_t TF_ID;
#endif #endif
#if TF_CKSUM_TYPE == TF_CKSUM_XOR || TF_CKSUM_TYPE == TF_CKSUM_NONE #if (TF_CKSUM_TYPE == TF_CKSUM_XOR) || (TF_CKSUM_TYPE == TF_CKSUM_NONE) || (TF_CKSUM_TYPE == TF_CKSUM_CUSTOM8)
// ~XOR (if 0, still use 1 byte - it won't be used) // ~XOR (if 0, still use 1 byte - it won't be used)
typedef uint8_t TF_CKSUM; typedef uint8_t TF_CKSUM;
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC16 #elif (TF_CKSUM_TYPE == TF_CKSUM_CRC16) || (TF_CKSUM_TYPE == TF_CKSUM_CUSTOM16)
// CRC16 // CRC16
typedef uint16_t TF_CKSUM; typedef uint16_t TF_CKSUM;
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC32 #elif (TF_CKSUM_TYPE == TF_CKSUM_CRC32) || (TF_CKSUM_TYPE == TF_CKSUM_CUSTOM32)
// CRC32 // CRC32
typedef uint32_t TF_CKSUM; typedef uint32_t TF_CKSUM;
#else #else
#error Bad value for TF_CKSUM_TYPE, must be 8, 16 or 32 #error Bad value for TF_CKSUM_TYPE
#endif #endif
//endregion //endregion
@ -100,7 +103,7 @@ typedef enum {
} TF_Result; } TF_Result;
/** Data structure for sending / receiving messages */ /** Data structure for sending / receiving messages */
typedef struct _TF_MSG_STRUCT_ { typedef struct TF_Msg_ {
TF_ID frame_id; //!< message ID TF_ID frame_id; //!< message ID
bool is_response; //!< internal flag, set when using the Respond function. frame_id is then kept unchanged. bool is_response; //!< internal flag, set when using the Respond function. frame_id is then kept unchanged.
TF_TYPE type; //!< received or sent message type TF_TYPE type; //!< received or sent message type
@ -135,7 +138,7 @@ typedef TF_Result (*TF_Listener)(TinyFrame *tf, TF_Msg *msg);
// region Internal // region Internal
enum TFState_ { enum TF_State_ {
TFState_SOF = 0, //!< Wait for SOF TFState_SOF = 0, //!< Wait for SOF
TFState_LEN, //!< Wait for Number Of Bytes TFState_LEN, //!< Wait for Number Of Bytes
TFState_HEAD_CKSUM, //!< Wait for header Checksum TFState_HEAD_CKSUM, //!< Wait for header Checksum
@ -178,7 +181,7 @@ struct TinyFrame_ {
TF_ID next_id; //!< Next frame / frame chain ID TF_ID next_id; //!< Next frame / frame chain ID
/* Parser state */ /* Parser state */
enum TFState_ state; enum TF_State_ state;
TF_TICKS parser_timeout_ticks; TF_TICKS parser_timeout_ticks;
TF_ID id; //!< Incoming packet ID TF_ID id; //!< Incoming packet ID
TF_LEN len; //!< Payload length TF_LEN len; //!< Payload length
@ -375,10 +378,44 @@ void TF_Tick(TinyFrame *tf);
*/ */
extern void TF_WriteImpl(TinyFrame *tf, const uint8_t *buff, size_t len); extern void TF_WriteImpl(TinyFrame *tf, const uint8_t *buff, size_t len);
/** Claim the TX interface before composing and sending a frame */ // Mutex functions
extern void TF_ClaimTx(TinyFrame *tf); #if TF_USE_MUTEX
/** Free the TX interface after composing and sending a frame */ /** Claim the TX interface before composing and sending a frame */
extern void TF_ReleaseTx(TinyFrame *tf); extern void TF_ClaimTx(TinyFrame *tf);
/** Free the TX interface after composing and sending a frame */
extern void TF_ReleaseTx(TinyFrame *tf);
#endif
// Custom checksum functions
#if (TF_CKSUM_TYPE == TF_CKSUM_CUSTOM8) || (TF_CKSUM_TYPE == TF_CKSUM_CUSTOM16) || (TF_CKSUM_TYPE == TF_CKSUM_CUSTOM32)
/**
* Initialize a checksum
*
* @return initial checksum value
*/
extern TF_CKSUM TF_CksumStart(void);
/**
* Update a checksum with a byte
*
* @param cksum - previous checksum value
* @param byte - byte to add
* @return updated checksum value
*/
extern TF_CKSUM TF_CksumAdd(TF_CKSUM cksum, uint8_t byte);
/**
* Finalize the checksum calculation
*
* @param cksum - previous checksum value
* @return final checksum value
*/
extern TF_CKSUM TF_CksumEnd(TF_CKSUM cksum);
#endif
#endif #endif

1
demo/multipart_tx/TF_Config.h
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@ -6,6 +6,7 @@
#define TF_CONFIG_H #define TF_CONFIG_H
#include <stdint.h> #include <stdint.h>
#include <stdio.h>
#define TF_ID_BYTES 1 #define TF_ID_BYTES 1
#define TF_LEN_BYTES 2 #define TF_LEN_BYTES 2

1
demo/simple/TF_Config.h
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@ -6,6 +6,7 @@
#define TF_CONFIG_H #define TF_CONFIG_H
#include <stdint.h> #include <stdint.h>
#include <stdio.h>
#define TF_ID_BYTES 1 #define TF_ID_BYTES 1
#define TF_LEN_BYTES 2 #define TF_LEN_BYTES 2

1
demo/socket_demo/TF_Config.h
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@ -6,6 +6,7 @@
#define TF_CONFIG_H #define TF_CONFIG_H
#include <stdint.h> #include <stdint.h>
#include <stdio.h>
#define TF_ID_BYTES 1 #define TF_ID_BYTES 1
#define TF_LEN_BYTES 2 #define TF_LEN_BYTES 2

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