xmclib/ThirdPartyLibraries/USBlib/Examples/Device/VirtualSerial/main.c
2024-10-17 17:09:59 +02:00

90 lines
2.4 KiB
C

/*
* Copyright (C) 2014 Infineon Technologies AG. All rights reserved.
*
* Infineon Technologies AG (Infineon) is supplying this software for use with
* Infineon's microcontrollers.
* This file can be freely distributed within development tools that are
* supporting such microcontrollers.
*
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* INFINEON SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
* OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
*/
/**
* @file
* @date 18 Feb, 2015
* @version 1.0.0
*
* @brief USB demo example
*
* The example implements a communication through VCOM with a Host (Computer).
*
* History <br>
*
* Version 1.0.0 Initial <br>
*
*/
#include "VirtualSerial.h"
/* Clock configuration */
XMC_SCU_CLOCK_CONFIG_t clock_config =
{
.syspll_config.p_div = 2,
.syspll_config.n_div = 80,
.syspll_config.k_div = 4,
.syspll_config.mode = XMC_SCU_CLOCK_SYSPLL_MODE_NORMAL,
.syspll_config.clksrc = XMC_SCU_CLOCK_SYSPLLCLKSRC_OSCHP,
.enable_oschp = true,
.calibration_mode = XMC_SCU_CLOCK_FOFI_CALIBRATION_MODE_FACTORY,
.fsys_clksrc = XMC_SCU_CLOCK_SYSCLKSRC_PLL,
.fsys_clkdiv = 1,
.fcpu_clkdiv = 1,
.fccu_clkdiv = 1,
.fperipheral_clkdiv = 1
};
void SystemCoreClockSetup(void)
{
/* Setup settings for USB clock */
XMC_SCU_CLOCK_Init(&clock_config);
XMC_SCU_CLOCK_EnableUsbPll();
XMC_SCU_CLOCK_StartUsbPll(2, 64);
XMC_SCU_CLOCK_SetUsbClockDivider(4);
XMC_SCU_CLOCK_SetUsbClockSource(XMC_SCU_CLOCK_USBCLKSRC_USBPLL);
XMC_SCU_CLOCK_EnableClock(XMC_SCU_CLOCK_USB);
SystemCoreClockUpdate();
}
/**
* Main program entry point. This routine configures the hardware required by
* the application, then enters a loop to run the application tasks in sequence.
*/
int main(void)
{
uint16_t Bytes = 0;
USB_Init();
while (1)
{
/* Check if data received */
Bytes = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
if(Bytes)
{
/* Send data back to the host */
CDC_Device_SendByte(&VirtualSerial_CDC_Interface, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
}
}