[菜农助学交流] USB鼠标

 

#include "NUC1xx.h"

#include "drvsys.h"

#include "drvgpio.h"

#include "drvuart.h"

#include "drvadc.h"

#include "drvusb.h"

#include <rtl.h>

#include "HIDSys.h"

#include "HID_API.h"



static void ClockInit( void )

{

    UNLOCKREG();

    DrvSYS_SetOscCtrl( E_SYS_XTL12M, ENABLE );

    DrvSYS_SelectPLLSource( E_SYS_EXTERNAL_12M );

    DrvSYS_Open(48000000);

    DrvSYS_SelectSysTickSource( 3 );

}

static void UartInit( void )

{

    STR_UART_T sParam;

    sParam.u32BaudRate = 115200;

    sParam.u8cDataBits = DRVUART_DATABITS_8;

    sParam.u8cStopBits = DRVUART_STOPBITS_1;

    sParam.u8cParity   = DRVUART_PARITY_NONE;

    sParam.u8cRxTriggerLevel = DRVUART_FIFO_1BYTES;

    DrvSYS_SelectIPClockSource(E_SYS_UART_CLKSRC, INTERNAL_HCLK);

    DrvUART_Open (UART_PORT0, &sParam);

    DrvGPIO_InitFunction(E_FUNC_UART0_RX_TX);

}

static void ADCInit( void )

{

    DrvADC_Open(ADC_SINGLE_END, ADC_SINGLE_CYCLE_OP, (1 << 1) | (1 << 7), EXTERNAL_12MHZ, 11);   //Set adc parameter

    DrvADC_ConfigADCChannel7( INTERNAL_BANDGAP );

    DrvGPIO_InitFunction(E_FUNC_ADC1);

    DrvADC_EnableSelfCalibration();  //start calibration

    while(DrvADC_IsCalibrationDone() == 0)

    {

        ;

    }

}

void USBD_Init( void )

{

    //int32_t i32Ret = 0;

    

    GPIOB->IEN = (1 << 15) | (1 << 14);

    NVIC_EnableIRQ(EINT1_IRQn);

 NVIC_EnableIRQ(EINT0_IRQn);

 DrvUSB_Open((void *)DrvUSB_DispatchEvent);

//    i32Ret = DrvUSB_Open((void *)DrvUSB_DispatchEvent);

////    if(i32Ret != 0)

//    {

//        return i32Ret;

//    }

 /* Disable USB-related interrupts. */

    _DRVUSB_ENABLE_MISC_INT(0);

    /* Enable float-detection interrupt. */

    _DRVUSB_ENABLE_FLDET_INT();

    /* Start HID and install the callback functions to handle in/out report */

    HID_Init();

    /* Enable USB-related interrupts. */

    _DRVUSB_ENABLE_MISC_INT(INTEN_WAKEUP | INTEN_WAKEUPEN | INTEN_FLDET | INTEN_USB | INTEN_BUS);

    /* Enter power down to wait USB attached */

//      PowerDown();

}

void SystemInit( void )

{

    ClockInit();

    UartInit();

    ADCInit();

   // USBD_Init();

}

/* 重定向PRINTF函数到串口1*/

int putchar(int __c)

{

    if(DrvUART_Write(UART_PORT0, (unsigned char *)__c, 1))

    {

        return 1;

    }

    else

    {

        return 0;

    }

}

 

#include "NUC1xx.h"

#include <rtl.h>

#include "drvgpio.h"

#include "bsp.h"

#include "drvuart.h"

#include "drvadc.h"

#include "drvusb.h"

#include <stdio.h>

#include "HIDSys.h"

#include "HID_API.h"

extern void USBD_Init( void );

__task void usbtask( void )

{

 USBD_Init();

 /* Poll and handle USB events. */

 for( ;; )

 {

  E_DRVUSB_STATE eUsbState;

     eUsbState = DrvUSB_GetUsbState();

     if (eUsbState == eDRVUSB_DETACHED)

     {

         break;

     }

     if(eUsbState & eDRVUSB_SUSPENDED)

     {

         /* Enter suspend here */

 //              PowerDown();

     }

     else

     {

         /* Set HID IN report for interrupt IN transfer */

         HID_SetInReport();

     }

     os_dly_wait(2);

 }

}

__task void ledtask( void )

{

    for( ;; )

    {

        unsigned int i;

        float j;

        DrvADC_StartConvert();   //start first convert

        os_dly_wait( 200 );

        i = DrvADC_GetConversionData( 1 );

        j = (float)i * 3.3 / 4095;

        printf("The ADC Channel 1 Voltage:%1.3f V\n", j);

        i = DrvADC_GetConversionData( 7 );

        j = (float)i * 3.3 / 4095;

        printf("The VBG Voltage:%1.3f V\n", j);

    }

}

__task void taskinit( void )

{

    os_tsk_create(ledtask, 1);   //创建任务

 os_tsk_create(usbtask, 2);

    os_tsk_delete_self();        //删除自己

    for( ;; )

    {

    }

}

int main( void )

{

//  usbd_init();                         // USB Initialization

//  usbd_connect(__TRUE);                // USB Connect

    os_sys_init( taskinit );    //启动任务调度器

    while( 1 )

    {

    }

}