src/portable/template/hcd_template.c

/*
 * SPDX-FileCopyrightText: Copyright (c) 2023 Ha Thach (tinyusb.org)
 * SPDX-License-Identifier: MIT
 *
 * This file is part of the TinyUSB stack.
 */

#include "tusb_option.h"

#if CFG_TUH_ENABLED && CFG_TUSB_MCU == OPT_MCU_NONE

#include "host/hcd.h"
#include "host/usbh.h"

//--------------------------------------------------------------------+
// Controller API
//--------------------------------------------------------------------+

// optional hcd configuration, called by tuh_configure()
bool hcd_configure(uint8_t rhport, uint32_t cfg_id, const void* cfg_param) {
  (void) rhport; (void) cfg_id; (void) cfg_param;
  return false;
}

// Initialize controller to host mode
bool hcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) {
  (void) rhport; (void) rh_init;
  return false;
}

// Interrupt Handler
void hcd_int_handler(uint8_t rhport, bool in_isr) {
  (void) rhport; (void) in_isr;
}

// Enable USB interrupt
void hcd_int_enable (uint8_t rhport) {
  (void) rhport;
}

// Disable USB interrupt
void hcd_int_disable(uint8_t rhport) {
  (void) rhport;
}

// Get frame number (1ms)
uint32_t hcd_frame_number(uint8_t rhport) {
  (void) rhport;
  return 0;
}

//--------------------------------------------------------------------+
// Port API
//--------------------------------------------------------------------+

// Get the current connect status of roothub port
bool hcd_port_connect_status(uint8_t rhport) {
  (void) rhport;
  return false;
}

// Reset USB bus on the port. Return immediately, bus reset sequence may not be complete.
// Some port would require hcd_port_reset_end() to be invoked after 10ms to complete the reset sequence.
void hcd_port_reset(uint8_t rhport) {
  (void) rhport;
}

// Complete bus reset sequence, may be required by some controllers
void hcd_port_reset_end(uint8_t rhport) {
  (void) rhport;
}

// Get port link speed
tusb_speed_t hcd_port_speed_get(uint8_t rhport) {
  (void) rhport;
  return TUSB_SPEED_FULL;
}

// HCD closes all opened endpoints belong to this device
void hcd_device_close(uint8_t rhport, uint8_t dev_addr) {
  (void) rhport; (void) dev_addr;
}

//--------------------------------------------------------------------+
// Endpoints API
//--------------------------------------------------------------------+

// Open an endpoint
bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc) {
  (void) rhport; (void) dev_addr; (void) ep_desc;

  // NOTE: ep_desc is allocated on the stack when called from usbh_edpt_control_open()
  // You need to copy the data into a local variable who maintains the state of the endpoint and transfer.
  // Check _hcd_data in hcd_dwc2.c for example.

  return false;
}

bool hcd_edpt_close(uint8_t rhport, uint8_t daddr, uint8_t ep_addr) {
  (void) rhport; (void) daddr; (void) ep_addr;
  return false; // TODO not implemented yet
}

// Submit a transfer, when complete hcd_event_xfer_complete() must be invoked
bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t buflen) {
  (void) rhport; (void) dev_addr; (void) ep_addr; (void) buffer; (void) buflen;
  return false;
}

// Abort a queued transfer. Note: it can only abort transfer that has not been started
// Return true if a queued transfer is aborted, false if there is no transfer to abort
bool hcd_edpt_abort_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr) {
  (void) rhport; (void) dev_addr; (void) ep_addr;
  return false;
}

// Submit a special transfer to send 8-byte Setup Packet, when complete hcd_event_xfer_complete() must be invoked
bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8]) {
  (void) rhport; (void) dev_addr; (void) setup_packet;
  return false;
}

// clear stall, data toggle is also reset to DATA0
bool hcd_edpt_clear_stall(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr) {
  (void) rhport; (void) dev_addr; (void) ep_addr;
  return false;
}

#endif