daq_eth.h

#ifndef __DAQ_ETH_H__
#define __DAQ_ETH_H__
 
// W5500
#define ETH_PHY_VERSION_ID      0x04
#define ETH_PHY_RESET_PERIOD_MS 10
 
// W5500 has 8 sockets internally
#define DAQ_SOCKET_UDP_BROADCAST 0
#define DAQ_SOCKET_TCP           1
#define DAQ_SOCKET_FTP_CTRL0     2 // FTP uses 3 sockets
#define DAQ_SOCKET_FTP_DATA      3
#define DAQ_SOCKET_FTP_CTRL1     4
 
typedef enum {
    ETH_LINK_IDLE     = 0,
    ETH_LINK_STARTING = 1,
    ETH_LINK_DOWN     = 2,
    ETH_LINK_UP       = 3,
    ETH_LINK_FAIL     = 4,
} eth_state_t;
typedef enum {
    RTC_SYNC_PENDING   = 0,
    RTC_SYNC_COMPLETE  = 1,
} rtc_config_state_t;
 
typedef enum {
    ETH_TCP_IDLE        = 0,
    ETH_TCP_LISTEN      = 1,
    ETH_TCP_ESTABLISHED = 2,
    ETH_TCP_FAIL        = 3,
} eth_tcp_state_t;
 
typedef enum {
    ETH_ERROR_NONE       = 0,
    ETH_ERROR_INIT       = 1,
    ETH_ERROR_VERS       = 2,
    ETH_ERROR_UDP_SOCK   = 3,
    ETH_ERROR_UDP_SEND   = 4,
    ETH_ERROR_TCP_SOCK   = 5,
    ETH_ERROR_TCP_LISTEN = 6,
    ETH_ERROR_TCP_SEND   = 7,
} eth_error_t;
 
typedef enum {
    TCP_CMD_HANDSHAKE = 0,
    TCP_CMD_CAN_FRAME = 1,
    TCP_CMD_UDS_FRAME = 2,
} tcp_cmd_t;
 
typedef enum __attribute__((__packed__)) {
    DAQ_FRAME_CAN_RX  = 0, 
    DAQ_FRAME_TCP2CAN = 1, 
    DAQ_FRAME_TCP2DAQ = 2, 
    DAQ_FRAME_TCP_TX  = 3, 
    DAQ_FRAME_UDP_TX  = 4, 
} daq_frame_type_t;
 
static_assert(sizeof(daq_frame_type_t) == sizeof(uint8_t));
 
void eth_update_periodic(void);
 
#endif // __DAQ_ETH_H__