I2C和USB都无法同时工作

我的USB代码今天我检查I2C数据每5分钟或10分钟后



      以下为原文

    int main(void)
{
      #if defined(__dsPIC33EP512MU810__)||defined(__PIC24EP512GU810__)

    // Configure the device PLL to obtain 60 MIPS operation. The crystal
    // frequency is 8MHz. Divide 8MHz by 2, multiply by 60 and divide by
    // 2. This results in Fosc of 120MHz. The CPU clock frequency is
    // Fcy = Fosc/2 = 60MHz. Wait for the Primary PLL to lock and then
    // configure the auxilliary PLL to provide 48MHz needed for USB
    // Operation.

 PLLFBD = 38; /* M = 60 */
 CLKDIVbits.PLLPOST = 0; /* N1 = 2 */
 CLKDIVbits.PLLPRE = 0; /* N2 = 2 */
 OSCTUN = 0;

    /* Initiate Clock Switch to Primary
     * Oscillator with PLL (NOSC= 0x3)*/
 
    __builtin_write_OSCCONH(0x03);
 __builtin_write_OSCCONL(0x01);
 
 while (OSCCONbits.COSC != 0x3);

    // Configuring the auxiliary PLL, since the primary
    // oscillator provides the source clock to the auxiliary
    // PLL, the auxiliary oscillator is disabled. Note that
    // the AUX PLL is enabled. The input 8MHz clock is divided
    // by 2, multiplied by 24 and then divided by 2. Wait till
    // the AUX PLL locks.

    ACLKCON3 = 0x24C1;
    ACLKDIV3 = 0x7;
    
    ACLKCON3bits.ENAPLL = 1;
    while(ACLKCON3bits.APLLCK != 1);
    
    /* Set RB5 as Digital port
    and enable the VBUS switch*/
    ANSELBbits.ANSB5 = 0;
    TRISBbits.TRISB5 = 0;
    LATBbits.LATB5 = 1;

    #endif
    
    #if defined(__PIC32MX__)
        {
            int value;
    
            value = SYSTEMConfigWaitStatesAndPB( GetSystemClock() );
    
            // Enable the cache for the best performance
            CheKseg0CacheOn();
    
            INTEnableSystemMultiVectoredInt();
    
            value = OSCCON;
            while (!(value & 0x00000020))
            {
                value = OSCCON; // Wait for PLL lock to stabilize
            }
        }

    #endif

   #if defined(__PIC24FJ64GB004__) || defined(__PIC24FJ256DA210__)
 //On the PIC24FJ64GB004 Family of USB microcontrollers, the PLL will not power up and be enabled
 //by default, even if a PLL enabled oscillator configuration is selected (such as HS+PLL).
 //This allows the device to power up at a lower initial operating frequency, which can be
 //advantageous when powered from a source which is not gauranteed to be adequate for 32MHz
 //operation. On these devices, user firmware needs to manually set the CLKDIV bit to
 //power up the PLL.
    {
        unsigned int pll_startup_counter = 600;
        CLKDIVbits.PLLEN = 1;
        while(pll_startup_counter--);
    }

    //Device switches over automatically to PLL output after PLL is locked and ready.
    #endif

    deviceAttached = FALSE;

    //Initialize the stack
    USBInitialize(0);

    #if defined(DEBUG_MODE)
        // PPS - Configure U2RX - put on pin 49 (RP10)
        RPINR19bits.U2RXR = 10;

        // PPS - Configure U2TX - put on pin 50 (RP17)
        RPOR8bits.RP17R = 5;

        UART2Init();
    #endif

    while(1)
    {
        //USB stack process function
        USBTasks();

        //if thumbdrive is plugged in
        if(USBHostMSDSCSIMediaDetect())
        {
            deviceAttached = TRUE;

            //now a device is attached
            //See if the device is attached and in the right format
            if(FSInit())
            {
                //Opening a file in mode "w" will create the file if it doesn't
                // exist. If the file does exist it will delete the old file
                // and create a new one that is blank.
                myFile = FSfopen("test.txt","w");

                //Write some data to the new file.
                FSfwrite("This is a test.",1,15,myFile);
                

                //Always make sure to close the file so that the data gets
                // written to the drive.
                FSfclose(myFile);

                //Just sit here until the device is removed.
                while(deviceAttached == TRUE)
                {
                    USBTasks();
                }
            }
        }
    }
    return 0;
}
 
MY USB code 
 
Today I check I2C data comes after each 5 min or 10 min

工作在48 MHz的100KHZUSB上的I2C



      以下为原文

    I2C working on 100KHz
USB working on 48 MHz

哪种版本的MLA用于中断驱动USB。



      以下为原文

    Which version of MLA do you use for interrupt driven USB.

没有用于USB HID中断传输的MLA版本。它只适用于中断连接和分离。你使用的是哪个USB类。



      以下为原文

    There is no version of MLA for USB HID interrupt transfer. It only available for interrupt attach and detach. which u*** class you are using.

对不起，Savvv，我对USB类一无所知，你能告诉我如何检查它吗？我指的是这类08h的DoCHTPTP//www. UB.Org/Dealss/DealdEd类。



      以下为原文

    Sorry swatvv, I do't have any idea about USB class, can you tell me how to check it.
 
I am referring this doc
http://www.u***.org/developers/defined_class
 
According to this 
Class 08h

这不是我们在这里讨论的。有两种方式，USB堆栈可以与主机程序交互：轮询和中断-这与您使用的类无关。苏珊



      以下为原文

   
That is not what we are talking about here.
There are two ways that the USB stack can interact with the host program: polling and interrupt - this has nothing to do with the class you are using.
Susan

但是，你如何决定是用MLA 2017版本进行HID的中断或轮询。所以我只问班级和MLA版本，我知道这与这个帖子无关。他可以根据MLA.thanks和他一起使用的班级检查图书馆。



      以下为原文

    yes.but how will you decide it is interrupt or polling for hid with MLA 2017 version. so that only i ask the class and mla version.
i know this is not related with this post. he can check the library according to class what he using with MLA.
thanks.

我使用的是MLA 2013



      以下为原文

    I am using MLA 2013