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非常好STM32 USB HID键盘例程，欢迎请需要的同学下载！
/******************** (C) COPYRIGHT *********************************************
* Project Name : MyUSB_hid
* Author : DZ561
* Version : V1.0
* Date : Jun-17-2010
* Description : STM32 USB HID
********************************************************************************/
#include "stm32f10x_lib.h"
#include "usb_lib.h"
#include "hw_config.h"
#include "stm32f10x_it.h"
#define nReportCnt 22
extern u8 Receive_Buffer[22];
extern u8 Transi_Buffer[22];
extern u8 USB_ReceiveFlg;
void DebugApp(void);
void NVIC_Configuration(void);
extern RCC_Configuration(void);
extern void USB_SendString(u8 *str);
vu8 MsgCmd;
extern u8 TimeCount;
int main(void)
{
#ifdef USER_DEBUG
// DBGMCU->CR |= DBGMCU_CR_DBG_STOP; //for debug purpose
#endif
RCC_Configuration();
NVIC_Configuration();
Set_System();
//Control USB connecting via SW
//enable USB for STM32F103RB
#ifdef STM32F103RB
RCC->APB2ENR |= (1 << 5); // enable clock for GPIOD
GPIOD->CRL &= ~0x00000F00; // clear port PD2
GPIOD->CRL |= 0x00000700; // PD2 General purpose output open-drain, max speed 50 MHz
GPIOD->BRR = 0x0004; // reset PD2 (set to low)
#endif
USB_Interrupts_Config();
Set_USBClock();
USB_Init();
USB_ReceiveFlg = FALSE;
while(1) //
{
if (TimeCount && USB_ReceiveFlg == TRUE) //ÊÕµ½ºóÉÏλ»úµÄÊý¾Ýºó£¬½«1S·¢ËÍÒ»´ÎÊý¾Ý¸øPC
{
USB_SendString("Hi,PC! I'm STM32-ARM");
TimeCount = 0x00;
}
}
}
void USB_SendString(u8 *str)
{
u8 ii=0;
while(*str)
{
Transi_Buffer[ii++]=*(str++);
if (ii == nReportCnt) break;
}
UserToPMABufferCopy(Transi_Buffer, ENDP2_TXADDR, nReportCnt);
SetEPTxValid(ENDP2);
}
/*******************************************************************************
* Function Name : NVIC_Configuration
* Description : Configures Vector Table base location.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void NVIC_Configuration(void)
{
//NVIC_InitTypeDef NVIC_InitStructure;
#ifdef VECT_TAB_RAM
/* Set the Vector Table base location at 0x20000000 */
NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
#else /* VECT_TAB_FLASH */
/* Set the Vector Table base location at 0x08000000 */
NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
#endif
}
/*******************************************************************************
* Function Name : Delay
* Description : Inserts a delay time.
* Input : nCount: specifies the delay time length.
* Output : None
* Return : None
*******************************************************************************/
void Delay(vu32 nCount)
{
for(; nCount!= 0;nCount--);
}
#ifdef DEBUG
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* Input : - file: pointer to the source file name
* - line: assert_param error line source number
* Output : None
* Return : None
*******************************************************************************/
void assert_failed(u8* file, u32 line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while(1)
{
}
}
#endif
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