/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2019 Ha Thach (tinyusb.org)
 *                    sekigon-gonnoc
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "pico/stdlib.h"

#include "tusb.h"

#include "usb_descriptors.h"
#include "server.h"
#include "main.h"


/*------------- MAIN -------------*/
int run_hid_device(void) {
  // init device stack on native usb (roothub port0)
  tud_init(0);

  while (true) {
    tud_task(); // tinyusb device task
  }

  return 0;
}


// Invoked when received SET_REPORT control request or
// received data on OUT endpoint ( Report ID = 0, Type = 0 )

void tud_hid_set_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize)
{


	if (instance == 0 && report_type==HID_REPORT_TYPE_OUTPUT && report_id==REPORT_ID_KEYBOARD && bufsize==1) {
		//received keyboard indicator LED status, so update
		set_indicator(buffer);
	}

	// forward USB report to CDC for debugging
	char tempbuf[128];
	size_t count;
	if(bufsize>0) {
		count = sprintf(tempbuf, "\nReceived device set report type %u on interface %u with ID %u (%u)\n", report_type, instance, report_id, bufsize);
		tud_cdc_write(tempbuf, count);
		for(int i=0;i<bufsize;i++){
			count=sprintf(tempbuf,"%02X ",buffer[i]);
			tud_cdc_write(tempbuf,count);
		}
		count = sprintf(tempbuf, "\n");
		tud_cdc_write(tempbuf,count);
		tud_cdc_write_flush();
	}
}

// Invoked when received GET_REPORT control request
// Application must fill buffer report's content and return its length.
// Return zero will cause the stack to STALL request

uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen)
{
	// echo USB communication to CDC for debugging
	char tempbuf[128];
	size_t count;
	if(reqlen>0) {
		count = sprintf(tempbuf, "\nReceived device get report type %u on interface %u with ID %u (%u)\n", report_type, instance, report_id, reqlen);
		tud_cdc_write(tempbuf, count);
		for(int i=0;i<reqlen;i++){
			count=sprintf(tempbuf,"%02X ",buffer[i]);
			tud_cdc_write(tempbuf,count);
		}
		count = sprintf(tempbuf, "\n");
		tud_cdc_write(tempbuf,count);
		tud_cdc_write_flush();
	}


  return 0;
}