serial.h

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/*
 * Copyright Runtime.io 2018. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_MGMT_SERIAL_H_
#define ZEPHYR_INCLUDE_MGMT_SERIAL_H_
 
#include <zephyr/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define MCUMGR_SERIAL_HDR_PKT       0x0609
#define MCUMGR_SERIAL_HDR_FRAG      0x0414
#define MCUMGR_SERIAL_MAX_FRAME     127
 
#define MCUMGR_SERIAL_HDR_PKT_1     (MCUMGR_SERIAL_HDR_PKT >> 8)
#define MCUMGR_SERIAL_HDR_PKT_2     (MCUMGR_SERIAL_HDR_PKT & 0xff)
#define MCUMGR_SERIAL_HDR_FRAG_1    (MCUMGR_SERIAL_HDR_FRAG >> 8)
#define MCUMGR_SERIAL_HDR_FRAG_2    (MCUMGR_SERIAL_HDR_FRAG & 0xff)
 
struct mcumgr_serial_rx_ctxt {
        /* Contains the partially- or fully-received mcumgr request.  Data
         * stored in this buffer has already been base64-decoded.
         */
        struct net_buf *nb;
 
        /* Length of full packet, as read from header. */
        uint16_t pkt_len;
};
 
typedef int (*mcumgr_serial_tx_cb)(const void *data, int len);
 
struct net_buf *mcumgr_serial_process_frag(
        struct mcumgr_serial_rx_ctxt *rx_ctxt,
        const uint8_t *frag, int frag_len);
 
int mcumgr_serial_tx_pkt(const uint8_t *data, int len, mcumgr_serial_tx_cb cb);
 
#ifdef __cplusplus
}
#endif
 
#endif