#pragma once
#include <stdint.h>

/* PCAN-USB Endpoints */
#define PCAN_USB_EP_CMDOUT 0x01
#define PCAN_USB_EP_CMDIN  0x81
#define PCAN_USB_EP_MSGOUT 0x02
#define PCAN_USB_EP_MSGIN  0x82

struct t_class_data
{
    uint16_t ep_tx_data_pending[15];
    uint8_t  ep_tx_in_use[15];
    uint8_t  buffer_cmd[16];
    uint8_t  buffer_data[64];
};

struct t_m2h_fsm
{
    uint8_t  state;
    uint8_t  ep_addr;
    uint8_t *pdbuf;
    int      dbsize;
    uint32_t total_tx;
};

int pcan_flush_ep(uint8_t ep);
int pcan_flush_data(struct t_m2h_fsm *pfsm, void *src, int size);

uint16_t pcan_usb_send_command_buffer(const void *p, uint16_t size);
uint16_t pcan_usb_send_data_buffer(const void *p, uint16_t size);
void     pcan_usb_init(void);
void     pcan_usb_poll(void);