usb_cdc_acm_randomtest.cxx

// papoon_usb: "Not Insane" USB library for STM32F103xx MCUs
// Copyright (C) 2019,2020 Mark R. Rubin
//
// This file is part of papoon_usb.
//
// The papoon_usb program is free software: you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// The papoon_usb program is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// (LICENSE.txt) along with the papoon_usb program.  If not, see
// <https://www.gnu.org/licenses/gpl.html>


#include <stdint.h>

#include <core_cm3.hxx>

#include <stm32f103xb.hxx>

#include <usb_dev_cdc_acm.hxx>

#include <usb_randomtest.hxx>



using namespace stm32f103xb;
using namespace stm32f10_12357_xx;

UsbDevCdcAcm        usb_dev;

static const uint32_t   CPU_HZ           = 72000000,
                        LED_DELAY_TICK   = CPU_HZ / 50; // 0.020 seconds



uint8_t     recv_buf[UsbDevCdcAcm::CDC_OUT_DATA_SIZE],
            send_buf[UsbDevCdcAcm:: CDC_IN_DATA_SIZE];



int main()
{
    usb_randomtest::init();

    if (!usb_dev.init())
    {
        gpioc->bsrr = Gpio::Bsrr::BR13;  // turn on user LED by setting low
        while (true) asm("nop");         // hang
    }

    usb_randomtest::wait_configured();

    usb_randomtest::run(UsbDevCdcAcm::CDC_ENDPOINT_OUT,
                        UsbDevCdcAcm::CDC_ENDPOINT_IN);
}