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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2023 Arduino SA
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* ESP-Hosted internal.
*/
#ifndef MICROPY_INCLUDED_DRIVERS_ESP_HOSTED_INTERNAL_H
#define MICROPY_INCLUDED_DRIVERS_ESP_HOSTED_INTERNAL_H
#define ESP_FRAME_MAX_SIZE (1600)
#define ESP_FRAME_MAX_PAYLOAD (ESP_FRAME_MAX_SIZE - sizeof(esp_header_t))
#define ESP_FRAME_FLAGS_FRAGMENT (1 << 0)
#define ESP_STATE_NUM_ITFS (2)
#define ESP_STATE_BUF_SIZE (ESP_FRAME_MAX_SIZE * 2)
#define ESP_STACK_CAPACITY (32)
#define ESP_SYNC_REQ_TIMEOUT (5000)
#define TLV_HEADER_TYPE_EP (1)
#define TLV_HEADER_TYPE_DATA (2)
#define TLV_HEADER_EP_RESP "ctrlResp"
#define TLV_HEADER_EP_EVENT "ctrlEvnt"
typedef enum {
ESP_HOSTED_FLAGS_RESET = (0 << 0),
ESP_HOSTED_FLAGS_INIT = (1 << 0),
ESP_HOSTED_FLAGS_ACTIVE = (1 << 1),
ESP_HOSTED_FLAGS_STATIC_IP = (1 << 2),
ESP_HOSTED_FLAGS_AP_STARTED = (1 << 3),
ESP_HOSTED_FLAGS_STA_CONNECTED = (1 << 4),
} esp_hosted_flags_t;
typedef enum {
ESP_PACKET_TYPE_EVENT,
} esp_hosted_priv_packet_t;
typedef enum {
ESP_PRIV_EVENT_INIT,
} esp_hosted_priv_event_t;
typedef struct esp_hosted_stack {
size_t capacity;
size_t top;
void *buff[ESP_STACK_CAPACITY];
} esp_hosted_stack_t;
typedef struct esp_hosted_state {
uint8_t chip_id;
uint8_t spi_clk;
uint8_t chip_flags;
uint8_t flags;
uint16_t seq_num;
uint32_t last_hb_ms;
struct netif netif[ESP_STATE_NUM_ITFS];
struct dhcp dhcp_client;
dhcp_server_t dhcp_server;
esp_hosted_stack_t stack;
uint8_t buf[ESP_STATE_BUF_SIZE];
} esp_hosted_state_t;
typedef struct __attribute__((packed)) {
uint8_t ep_type;
uint16_t ep_length;
uint8_t ep_value[8];
uint8_t data_type;
uint16_t data_length;
uint8_t data[];
} tlv_header_t;
typedef struct __attribute__((packed)) {
uint8_t event_type;
uint8_t event_len;
uint8_t event_data[];
} esp_event_t;
typedef struct __attribute__((packed)) {
uint8_t if_type : 4;
uint8_t if_num : 4;
uint8_t flags;
uint16_t len;
uint16_t offset;
uint16_t checksum;
uint16_t seq_num;
uint8_t reserved2;
union {
uint8_t hci_pkt_type;
uint8_t priv_pkt_type;
};
uint8_t payload[];
} esp_header_t;
uint16_t esp_hosted_checksum(esp_header_t *esp_header);
#endif // MICROPY_INCLUDED_DRIVERS_ESP_HOSTED_INTERNAL_H
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