hydrolink-headers/include/hydrolink/hydrolink_msg_ack.h
2025-02-25 13:30:35 +01:00

37 lines
No EOL
1.3 KiB
C

#pragma once
#include "protocol.h"
#define HYDROLINK_MSG_ID_ACK 1
#define HYDROLINK_MSG_ACK_LEN 1
#define HYDROLINK_MSG_1_LEN 1
#define HYDROLINK_MSG_ACK_CRC_EXTRA 73
typedef struct hydrolink_msg_ack_t_s {
uint8_t ack; ///
} hydrolink_msg_ack_t;
static inline void hydrolink_msg_ack_encode(uint8_t src_id, uint8_t dst_id, const hydrolink_msg_ack_t *msg, hydrolink_msg_t *packet) {
uint16_t crc;
crc_xmodem_init(&crc);
packet->id = HYDROLINK_MSG_ID_ACK;
crc_xmodem_accumulate(packet->id, &crc);
packet->dst_id = dst_id;
crc_xmodem_accumulate(packet->dst_id, &crc);
packet->src_id = src_id;
crc_xmodem_accumulate(packet->src_id, &crc);
packet->payload_length = HYDROLINK_MSG_1_LEN + HYDROLINK_NON_PAYLOAD_LEN;
crc_xmodem_accumulate(packet->payload_length, &crc);
hydrolink_put_uint8_t(HYDROLINK_PAYLOAD_NON_CONST(packet), 0, msg->ack);
for(int i = 0; i < packet->payload_length; ++i) {
crc_xmodem_accumulate(packet->payload[i], &crc);
}
crc_xmodem_accumulate(HYDROLINK_MSG_ACK_CRC_EXTRA, &crc);
packet->crc = crc;
}
static inline uint8_t hydrolink_msg_ack_get_ack(const hydrolink_msg_t *packet) {
return HYDROLINK_RETURN_uint8_t(packet, 0);
}
static inline void hydrolink_msg_ack_decode(const hydrolink_msg_t *packet, hydrolink_msg_ack_t *ack) {
ack->ack = hydrolink_msg_ack_get_ack(packet);
}