c6_camera_server.h

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#pragma once
 
#include <stdint.h>
 
#include "ra8_c6link.h"
#include "ra8_err.h"

typedef enum : uint32_t {
  k_c6_cam_uart_baud       = 115200U,   
  k_c6_cam_sck_hz          = 10000000U, 
  k_c6_cam_edge_poll_ms    = 2U,        
  k_c6_cam_boot_wait_ms    = 200U,      
  k_c6_cam_assoc_polls     = 200U,      
  k_c6_cam_assoc_gap_ms    = 50U,       
  k_c6_cam_dhcp_wait_ms    = 25000U,    
  k_c6_cam_worker_stack    = 12288U,    
  k_c6_cam_worker_prio     = 8U,        
  k_c6_cam_arena_bytes     = 4096U,     
  k_c6_cam_http_port       = 80U,       
  k_c6_cam_http_chunk      = 1400U,     
  k_c6_cam_request_max     = 512U,      
  k_c6_cam_tcp_window      = 4096U,     
  k_c6_cam_listen_backlog  = 1U,        
  k_c6_cam_stream_frames   = 1024U,     
  k_c6_cam_net_pkt_payload = 1568U,     
  k_c6_cam_net_pool_bytes  = 49152U,    
  k_c6_cam_net_ip_stack    = 2048U,     
  k_c6_cam_net_arp_bytes   = 1040U,     
  k_c6_cam_net_ip_prio     = 3U,        
} c6_cam_cfg_t;

typedef struct {
  uint32_t ip;          
  uint32_t mask;        
  uint32_t gateway;     
  uint32_t dhcp_server; 
  bool     bound;       
} c6_cam_lease_t;

typedef struct {
  uint32_t timestamp_ms; 
  uint32_t capture_ms;   
  uint32_t convert_ms;   
  uint32_t encode_ms;    
} c6_cam_frame_timing_t;

[[nodiscard]] int32_t c6_cam_app_run(void);

[[nodiscard]] ra8_err_t c6_cam_camera_init(void);
[[nodiscard]] ra8_err_t c6_cam_camera_capture_jpeg(const uint8_t**        out_jpeg,
                                                   uint32_t*              out_bytes,
                                                   c6_cam_frame_timing_t* out_timing);
[[nodiscard]] const char* c6_cam_camera_description(void);
void c6_cam_camera_report_last_error(void);

[[nodiscard]] ra8_err_t c6_cam_audio_start(void);

[[nodiscard]] ra8_err_t
c6_cam_audio_snapshot_wav(const uint8_t** out_wav, uint32_t* out_bytes, uint32_t* out_timestamp_ms);

[[nodiscard]] ra8_err_t
c6_cam_net_up(ra8_c6link_t* link, const ra8_c6link_mac_t* mac, c6_cam_lease_t* out);

[[noreturn]] void c6_cam_http_serve(void);

void c6_cam_puts(const char* text);

void c6_cam_put_u32(uint32_t value);

void c6_cam_put_ip(uint32_t ip);