Files
ch32v20x-examples/EVT/EXAM/USB/USBD/CompositeKM/User/Main.c
T
2023-09-06 10:08:11 +08:00

95 lines
2.4 KiB
C

/********************************** (C) COPYRIGHT *******************************
* File Name : main.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/08/08
* Description : Main program body.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
/*
* @Note
* Composite Keyboard and Mouse Example:
* This example uses PA4-PA7 and PB12-PB15 to simulate mouse movement and keyboard
* key pressing respectively, active low. At the same time, it also uses USART2
* to receive data sent from the host to simulate keyboard key pressing and releasing.
*
*/
#include "debug.h"
#include "usb_lib.h"
#include "usb_desc.h"
#include "usb_pwr.h"
#include "usb_prop.h"
#include "usbd_composite_km.h"
/* Global define */
/* Global Variable */
/*********************************************************************
* @fn main
*
* @brief Main program.
*
* @return none
*/
int main(void)
{
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
SystemCoreClockUpdate();
Delay_Init();
USART_Printf_Init( 115200 );
printf("SystemClk:%d\r\n",SystemCoreClock);
printf("USBD Keyboard&Mouse Demo\r\n");
/* Initialize USART2 for receiving the specified keyboard data */
USART2_Init( 115200 );
printf( "USART2 Init OK!\r\n" );
/* Initialize GPIO for keyboard scan */
KB_Scan_Init( );
KB_Sleep_Wakeup_Cfg( );
printf( "KB Scan Init OK!\r\n" );
/* Initialize GPIO for mouse scan */
MS_Scan_Init( );
MS_Sleep_Wakeup_Cfg( );
printf( "MS Scan Init OK!\r\n" );
/* Initialize timer for Keyboard and mouse scan timing */
TIM3_Init( 1, 7199 );
printf( "TIM3 Init OK!\r\n" );
Set_USBConfig();
USB_Init();
USB_Interrupts_Config();
while(1)
{
if( bDeviceState == CONFIGURED )
{
/* Handle keyboard scan data */
KB_Scan_Handle( );
/* Handle keyboard lighting */
KB_LED_Handle( );
/* Handle mouse scan data */
MS_Scan_Handle( );
/* Handle USART2 receiving data */
USART2_Receive_Handle( );
}
}
}