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msgblock: Move message manipulation code from serialqueue.c to new msgblock.c

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2021-02-17 22:20:47 -05:00
parent 2559a2dd5a
commit 1865080a07
5 changed files with 201 additions and 181 deletions
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45
klippy/chelper/msgblock.h Normal file
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@@ -0,0 +1,45 @@
#ifndef MSGBLOCK_H
#define MSGBLOCK_H
#include <stdint.h> // uint8_t
#include "list.h" // struct list_node
#define MESSAGE_MIN 5
#define MESSAGE_MAX 64
#define MESSAGE_HEADER_SIZE 2
#define MESSAGE_TRAILER_SIZE 3
#define MESSAGE_POS_LEN 0
#define MESSAGE_POS_SEQ 1
#define MESSAGE_TRAILER_CRC 3
#define MESSAGE_TRAILER_SYNC 1
#define MESSAGE_PAYLOAD_MAX (MESSAGE_MAX - MESSAGE_MIN)
#define MESSAGE_SEQ_MASK 0x0f
#define MESSAGE_DEST 0x10
#define MESSAGE_SYNC 0x7E
struct queue_message {
int len;
uint8_t msg[MESSAGE_MAX];
union {
// Filled when on a command queue
struct {
uint64_t min_clock, req_clock;
};
// Filled when in sent/receive queues
struct {
double sent_time, receive_time;
};
};
uint64_t notify_id;
struct list_node node;
};
uint16_t msgblock_crc16_ccitt(uint8_t *buf, uint8_t len);
int msgblock_check(uint8_t *need_sync, uint8_t *buf, int buf_len);
struct queue_message *message_alloc(void);
struct queue_message *message_fill(uint8_t *data, int len);
struct queue_message *message_alloc_and_encode(uint32_t *data, int len);
void message_free(struct queue_message *qm);
void message_queue_free(struct list_head *root);
#endif // msgblock.h