/*
 * Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
 * Copyright 2016-2017 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include "fsl_device_registers.h"
#include "fsl_debug_console.h"
#include "pin_mux.h"
#include "board.h"

#include "usb.h"
#include "usb_device.h"
#include "usb_device_config.h"
#include <stdbool.h>
#include "fsl_power.h"
#include "fsl_component_serial_port_usb.h"
/*******************************************************************************
 * Definitions
 ******************************************************************************/


/*******************************************************************************
 * Prototypes
 ******************************************************************************/
void USB_DeviceClockInit(void);

/*******************************************************************************
 * Code
 ******************************************************************************/

void USB_DeviceClockInit(void)
{
#if defined(USB_DEVICE_CONFIG_LPCIP3511FS) && (USB_DEVICE_CONFIG_LPCIP3511FS > 0U)
    /* enable USB IP clock */
    CLOCK_EnableUsbfs0DeviceClock(kCLOCK_UsbfsSrcFro, CLOCK_GetFroHfFreq());
#if (((defined(USB_DEVICE_CONFIG_LPCIP3511FS)) && (USB_DEVICE_CONFIG_LPCIP3511FS > 0U)) || \
     ((defined(USB_DEVICE_CONFIG_LPCIP3511HS)) && (USB_DEVICE_CONFIG_LPCIP3511HS > 0U)))
#if defined(FSL_FEATURE_USBHSD_USB_RAM) && (FSL_FEATURE_USBHSD_USB_RAM)
    for (int i = 0; i < FSL_FEATURE_USBHSD_USB_RAM; i++)
    {
        ((uint8_t *)FSL_FEATURE_USBHSD_USB_RAM_BASE_ADDRESS)[i] = 0x00U;
    }
#endif
#endif

#endif
}

/*!
 * @brief Main function
 */
int main(void)
{
    char ch;

    /* Init board hardware. */
    /* set BOD VBAT level to 1.65V */
    POWER_SetBodVbatLevel(kPOWER_BodVbatLevel1650mv, kPOWER_BodHystLevel50mv, false);
    /* attach 12 MHz clock to FLEXCOMM0 (debug console) */
    CLOCK_AttachClk(BOARD_DEBUG_UART_CLK_ATTACH);
    BOARD_InitBootPins();
    BOARD_InitBootClocks();
    BOARD_InitDebugConsole();
#if !defined(DONT_ENABLE_FLASH_PREFETCH)
    /* enable flash prefetch for better performance */
    SYSCON->FMCCR |= SYSCON_FMCCR_PREFEN_MASK;
#endif

    POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY); /*< Turn on USB Phy */
    CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1, false);
    CLOCK_AttachClk(kFRO_HF_to_USB0_CLK);
    /* enable usb0 host clock */
    CLOCK_EnableClock(kCLOCK_Usbhsl0);
    /*According to reference mannual, device mode setting has to be set by access usb host register */
    *((uint32_t *)(USBFSH_BASE + 0x5C)) |= USBFSH_PORTMODE_DEV_ENABLE_MASK;
    /* disable usb0 host clock */
    CLOCK_DisableClock(kCLOCK_Usbhsl0);

    /* Initialize the debug console as CDC virtual com. */
    USB_DeviceClockInit();
    DbgConsole_Init((uint8_t)kSerialManager_UsbControllerLpcIp3511Fs0, (uint32_t)NULL, kSerialPort_UsbCdc,
                    (uint32_t)NULL);

    PRINTF("hello world.\r\n");

    while (1)
    {
        ch = GETCHAR();
        PUTCHAR(ch);
    }
}