Exemple #1
0
/*---------------------------------------------------------------------------------------------------------*/
int32_t main(void)
{
    uint32_t au32Config[2];

    /* Unlock protected registers */
    SYS_UnlockReg();

    SYS_Init();
    UART0_Init();

    printf("\n\n");
    printf("+-------------------------------------------------------------+\n");
    printf("|     NuMicro USB Virtual COM and MassStorage Sample Code     |\n");
    printf("+-------------------------------------------------------------+\n");
    
    /* Enable FMC ISP function */
    FMC_Open();

    /* Check User Configuration. If not match, to re-define Data Flash size and to enable Data Flash function. */
    FMC_ReadConfig(au32Config, 2);
    if(((au32Config[0] & 0x01) == 1) || (au32Config[1] != DATA_FLASH_BASE))
    {
        FMC_EnableConfigUpdate();
        FMC_Erase(FMC_CONFIG0_ADDR);
        au32Config[0] &= ~0x1;
        au32Config[1] = DATA_FLASH_BASE;
        if(FMC_WriteConfig(au32Config, 2) < 0)
            return -1;

        FMC_ReadConfig(au32Config, 2);
        if(((au32Config[0] & 0x01) == 1) || (au32Config[1] != DATA_FLASH_BASE))
        {
            printf("Error: Program Config Failed!\n");
            /* Disable FMC ISP function */
            FMC_Close();
            return -1;
        }

        /* Reset Chip to reload new CONFIG value */
        SYS->IPRST0 = SYS_IPRST0_CHIPRST_Msk;
    }

    printf("NuMicro USB MassStorage Start!\n");

    USBD_Open(&gsInfo, VCOM_MSC_ClassRequest, NULL);

    USBD_SetConfigCallback(MSC_SetConfig);

    /* Endpoint configuration */
    VCOM_MSC_Init();
    USBD_Start();
    NVIC_EnableIRQ(USBD_IRQn);
    NVIC_EnableIRQ(UART0_IRQn);

    while(1)
    {
        VCOM_TransferData();
        MSC_ProcessCmd();
    }
}
Exemple #2
0
/*---------------------------------------------------------------------------------------------------------*/
int32_t main(void)
{
    uint32_t u32TrimInit;

    uint32_t au32Config[2];

    /* Unlock protected registers */
    SYS_UnlockReg();

    SYS_Init();

    UART0_Init();

    printf("\n");
    printf("+-------------------------------------------------------------+\n");
    printf("|     NuMicro USB Virtual COM and MassStorage Sample Code     |\n");
    printf("+-------------------------------------------------------------+\n");
    
    /* Enable FMC ISP function */
    FMC_Open();

    /* Check if Data Flash Size is 64K. If not, to re-define Data Flash size and to enable Data Flash function */
    if(FMC_ReadConfig(au32Config, 2) < 0)
        return -1;

    if(((au32Config[0] & 0x01) == 1) || (au32Config[1] != DATA_FLASH_BASE))
    {
        FMC_EnableConfigUpdate();
        au32Config[0] &= ~0x1;
        au32Config[1] = DATA_FLASH_BASE;
        FMC_Erase(CONFIG_BASE);
        if(FMC_WriteConfig(au32Config, 2) < 0)
            return -1;

        FMC_ReadConfig(au32Config, 2);
        if(((au32Config[0] & 0x01) == 1) || (au32Config[1] != DATA_FLASH_BASE))
        {
            printf("Error: Program Config Failed!\n");
            /* Disable FMC ISP function */
            FMC_Close();
            return -1;
        }

        /* Reset Chip to reload new CONFIG value */
        SYS->IPRSTC1 = SYS_IPRSTC1_CHIP_RST_Msk;
    }
    
    printf("NuMicro USB MassStorage Start!\n");

    /* Open USB controller */
    USBD_Open(&gsInfo, VCOM_MSC_ClassRequest, NULL);

    USBD_SetConfigCallback(MSC_SetConfig);

    /* Endpoint configuration */
    VCOM_MSC_Init();
    USBD_Start();

#if CRYSTAL_LESS
    /* Backup init trim */
    u32TrimInit = M32(TRIM_INIT);

    /* Enable USB crystal-less */
    SYS->HIRCTCTL = 0x201 | (31 << SYS_HIRCTCTL_BOUNDARY_Pos);
#endif

    NVIC_EnableIRQ(USBD_IRQn);
    NVIC_EnableIRQ(UART02_IRQn);

    while(1)
    {
#if CRYSTAL_LESS
        /* Re-start crystal-less when any error found */
        if (SYS->HIRCTSTS & (SYS_HIRCTSTS_CLKERIF_Msk | SYS_HIRCTSTS_TFAILIF_Msk))
        {
            SYS->HIRCTSTS = SYS_HIRCTSTS_CLKERIF_Msk | SYS_HIRCTSTS_TFAILIF_Msk;

            if((u32TrimInit < 0x1E6) || (u32TrimInit > 0x253))
                /* Re-enable crystal-less */
                SYS->HIRCTCTL = 0x201 | (1 << SYS_HIRCTCTL_BOUNDARY_Pos);
            else
                /* Re-enable crystal-less */
                SYS->HIRCTCTL = 0x201 | (31 << SYS_HIRCTCTL_BOUNDARY_Pos);
            //printf("USB trim fail. Just retry. SYS->HIRCTSTS = 0x%x, SYS->HIRCTCTL = 0x%x\n", SYS->HIRCTSTS, SYS->HIRCTCTL);
        }
#endif

        VCOM_TransferData();
        MSC_ProcessCmd();
    }
}