ra8_usb_internal.h

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#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
#include "ra8_attributes.h"
#include "ra8_err.h"
#include "ra8_mstp.h"
#include "ra8_usb.h"
#include "ra8_usb_regs.h"

typedef enum : uint16_t {
  k_ra8_usb_max_pipe_num    = 9U,    
  k_ra8_usb_max_ep_addr     = 15U,   
  k_ra8_usb_max_address     = 127U,  
  k_ra8_usb_dcp_max_packet  = 64U,   
  k_ra8_usb_pipe_max_packet = 1024U, 
} ra8_usb_internal_lim_t;

typedef enum : uint16_t {
  k_ra8_usb_byte_mask = 0x00FFU, 
  k_ra8_usb_byte_bits = 8U,      
} ra8_usb_byte_mask_t;

typedef enum : uint16_t {
  k_ra8_usb_dcp_pipe0_bit = 0x0001U, 
  k_ra8_usb_setup_dir_in  = 0x0080U, 
  k_ra8_usb_dcpmaxp_mxps  = 0x007FU, 
  k_ra8_usb_rhst_mask     = 0x0007U, 
  k_ra8_usb_lnst_mask     = 0x0003U, 
} ra8_usb_host_ctrl_bits_t;

typedef enum : uint32_t {
  k_ra8_usb_devadd0_off   = 0x00D0U, 
  k_ra8_usb_usbspd_shift  = 6U,      
  k_ra8_usb_devadd_stride = 2U,      
  k_ra8_usb_dev_addr_max  = 10U,     
} ra8_usb_host_devadd_t;

typedef enum : uint16_t {
  k_ra8_usb_devsel_shift      = 12U,     
  k_ra8_usb_devsel_field_mask = 0x000FU, 
  k_ra8_usb_pipemaxp_mxps     = 0x07FFU, 
  k_ra8_usb_pid_stall_bit     = 0x0002U, 
} ra8_usb_host_addr_bits_t;

RA8_PRIV volatile r_usb_regs_t* priv_pick(ra8_usb_speed_t speed);

RA8_PRIV ra8_mstp_t priv_mstp(ra8_usb_speed_t speed);

RA8_PRIV void priv_rmw16(volatile uint16_t* reg, uint16_t set_mask, uint16_t clr_mask);

RA8_PRIV bool priv_is_hs(volatile const r_usb_regs_t* reg);

RA8_PRIV void priv_select_cfifo(volatile r_usb_regs_t* reg, uint16_t pipe_num, bool is_in_dir);

RA8_PRIV ra8_err_t priv_wait_frdy(volatile r_usb_regs_t* reg);

RA8_PRIV void priv_dcp_pid(volatile r_usb_regs_t* reg, ra8_usb_pid_t pid);

RA8_PRIV void priv_pipe_pid(volatile r_usb_regs_t* reg, uint8_t pipe_num, ra8_usb_pid_t pid);

RA8_PRIV void priv_fifo_write(volatile r_usb_regs_t* reg, const uint8_t* data, uint16_t len);

RA8_PRIV void priv_fifo_read(volatile r_usb_regs_t* reg, uint8_t* data, uint16_t len);

RA8_PRIV ra8_err_t priv_dcp_push_chunk(volatile r_usb_regs_t* reg, const uint8_t* p, uint16_t n);

RA8_PRIV uint16_t priv_pipebuf_word(uint8_t pipe_num, uint16_t max_packet);

RA8_PRIV uint16_t priv_pipecfg_word(uint8_t           ep_addr,
                                    ra8_usb_ep_dir_t  dir,
                                    ra8_usb_ep_type_t type,
                                    bool              dblb_in);

RA8_PRIV void priv_pipe_quiesce(volatile r_usb_regs_t* reg, uint8_t pipe_num);

RA8_PRIV ra8_err_t priv_usbhs_phy_bringup(volatile r_usb_regs_t* reg);

RA8_PRIV void priv_usb_init_common(volatile r_usb_regs_t* reg);

RA8_PRIV ra8_err_t priv_usbfs_module_bringup(volatile r_usb_regs_t* reg);

RA8_PRIV void priv_host_program_devadd(volatile r_usb_regs_t* reg, uint8_t dev_addr);
 
#ifdef __cplusplus
}
#endif