some cleanings

pull/9/head
Ondřej Hruška 7 years ago
parent 6d992c16cd
commit c36a0e4297
Signed by: MightyPork
GPG Key ID: 2C5FD5035250423D
  1. 2
      TinyFrame.c
  2. 15
      TinyFrame.h

@ -36,6 +36,7 @@
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC16
// TODO try to replace with an algorithm
/** CRC table for the CRC-16. The poly is 0x8005 (x^16 + x^15 + x^2 + 1) */
static const uint16_t crc16_table[256] = {
0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
@ -83,6 +84,7 @@ static inline uint16_t crc16_byte(uint16_t cksum, const uint8_t byte)
#elif TF_CKSUM_TYPE == TF_CKSUM_CRC32
// TODO try to replace with an algorithm
static const uint32_t crc32_table[] = { /* CRC polynomial 0xedb88320 */
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,

@ -91,6 +91,7 @@ typedef enum {
TF_MASTER = 1,
} TF_Peer;
/** Response from listeners */
typedef enum {
TF_NEXT = 0, //!< Not handled, let other listeners handle it
TF_STAY = 1, //!< Handled, stay
@ -132,6 +133,8 @@ typedef TF_Result (*TF_Listener)(TinyFrame *tf, TF_Msg *msg);
// -------------------------------------------------------------------
// region Internal
enum TFState_ {
TFState_SOF = 0, //!< Wait for SOF
TFState_LEN, //!< Wait for Number Of Bytes
@ -207,11 +210,19 @@ struct TinyFrame_ {
uint8_t sendbuf[TF_SENDBUF_LEN];
};
// endregion
// -------------------------------------------------------------------
/**
* Initialize the TinyFrame engine.
* This can also be used to completely reset it (removing all listeners etc)
* This can also be used to completely reset it (removing all listeners etc).
*
* The field .userdata (or .usertag) can be used to identify different instances
* in the TF_WriteImpl() function etc. Set this field after the init.
*
* This function is a wrapper around TF_InitStatic that calls malloc() to obtain
* the instance.
*
* @param peer_bit - peer bit to use for self
*/
@ -221,6 +232,8 @@ TinyFrame *TF_Init(TF_Peer peer_bit);
/**
* Initialize the TinyFrame engine using a statically allocated instance struct.
*
* The .userdata / .usertag field is preserved when TF_InitStatic is called.
*
* @param peer_bit - peer bit to use for self
*/
void TF_InitStatic(TinyFrame *tf, TF_Peer peer_bit);

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