25 lines
678 B
C
25 lines
678 B
C
#ifndef PACKET_H
|
|
#define PACKET_H
|
|
|
|
/* does not include 2 byte FCS checksum */
|
|
#ifndef MAX_PAYLOAD_SIZE
|
|
#define MAX_PAYLOAD_SIZE 125
|
|
#endif
|
|
|
|
typedef uint16_t short_addr_t;
|
|
|
|
struct packet {
|
|
short_addr_t addr;
|
|
uint8_t length; /* does not include FCS checksum */
|
|
volatile struct packet * left;
|
|
volatile struct packet * right;
|
|
/* offset into data for first byte of the packet payload */
|
|
/* On TX this should be 0 */
|
|
/* On RX this should be 1 since the maca puts the length as the first byte*/
|
|
uint8_t offset;
|
|
uint8_t data[MAX_PAYLOAD_SIZE+2+1]; /* +2 for FCS; + 1 since maca returns the length as the first byte */
|
|
};
|
|
typedef struct packet packet_t;
|
|
|
|
#endif
|