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2025-06-28 04:44:02 -04:00

74 lines
1.7 KiB
C

/* Copyright 2020-2024 Espressif Systems (Shanghai) CO LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define SIP_HDR_F_SYNC 0x4
#define SIP_IFIDX_MASK 0xf0
#define SIP_IFIDX_S 4
#define SIP_TYPE_MASK 0x0f
#define SIP_TYPE_S 0
#define SIP_PACKET_SIZE 256
typedef enum {
SIP_PACKET_TYPE_CTRL = 0,
SIP_PACKET_TYPE_DATA,
} sip_packet_type_t;
typedef enum {
SIP_CMD_ID_GET_VER = 0,
SIP_CMD_ID_WRITE_MEMORY = 1,
SIP_CMD_ID_BOOTUP = 5,
} sip_cmd_id_t;
typedef struct __attribute__((packed))
{
uint8_t tid;
uint8_t ac;
uint8_t p2p: 1,
enc_flag: 7;
uint8_t hw_kid;
} sip_tx_data_info_t;
typedef struct __attribute__((packed))
{
union {
uint32_t cmdid;
sip_tx_data_info_t dinfo;
} u;
} sip_tx_info_t;
typedef struct __attribute__((packed))
{
uint8_t fc[2];
uint16_t len; // Length of packet, including the header itself, must align to 4
union {
uint32_t recycled_credits;
sip_tx_info_t tx_info;
} u;
uint32_t sequence_num;
} sip_header_t;
typedef struct __attribute__((packed))
{
uint32_t addr;
uint32_t len;
} sip_cmd_write_memory;
typedef struct __attribute__((packed))
{
uint32_t boot_addr;
uint32_t discard_link;
} sip_cmd_bootup;