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| iva2k |
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1
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#include "mbed.h"
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| iva2k |
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2
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#include "usbhost_inc.h"
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| iva2k |
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3
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| iva2k |
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void print_clock()
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| iva2k |
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5
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{
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| iva2k |
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int Fin = 12000000; // 12MHz XTAL
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| iva2k |
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7
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| iva2k |
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8
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printf("PLL Registers:\r\n");
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| iva2k |
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9
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printf(" - PLL0STAT = 0x%08X\r\n", LPC_SC->PLL0STAT);
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| iva2k |
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printf(" - CLKCFG = 0x%08X\r\n", LPC_SC->CCLKCFG);
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| iva2k |
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printf(" - USBCLKCFG = 0x%08X\r\n", LPC_SC->USBCLKCFG);
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| iva2k |
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12
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| iva2k |
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int M = (LPC_SC->PLL0STAT & 0x7FFF) + 1;
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| iva2k |
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int N = ((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1;
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| iva2k |
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int CCLKDIV = LPC_SC->CCLKCFG + 1;
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| iva2k |
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int USBDIV = LPC_SC->USBCLKCFG + 1;
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| iva2k |
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| iva2k |
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printf("Clock Variables:\r\n");
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| iva2k |
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printf(" - Fin = %d\r\n", Fin);
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| iva2k |
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printf(" - M = %d\r\n", M);
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| iva2k |
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printf(" - N = %d\r\n", N);
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| iva2k |
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printf(" - CCLKDIV = %d\r\n", CCLKDIV);
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| iva2k |
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printf(" - USBCLKDIV = %d\r\n", USBDIV);
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| iva2k |
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| iva2k |
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int Fcco = (2 * M * 12000000) / N;
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| iva2k |
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int CCLK = Fcco / CCLKDIV;
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| iva2k |
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27
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| iva2k |
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printf("Clock Results:\r\n");
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| iva2k |
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printf(" - Fcco = %d\r\n", Fcco);
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| iva2k |
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printf(" - CCLK = %d\r\n", CCLK);
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| iva2k |
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printf(" - USB Clock = %d\r\n", Fcco / USBDIV);
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| iva2k |
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printf("System clock: %d\r\n", SystemCoreClock);
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| iva2k |
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}
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| iva2k |
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| iva2k |
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/*
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| iva2k |
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**************************************************************************************************************
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| iva2k |
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* COPYING A FILE
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| iva2k |
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*
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| iva2k |
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* Description: This function is used by the user to copy a file
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| iva2k |
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*
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| iva2k |
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* Arguments : None
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| iva2k |
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*
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| iva2k |
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* Returns : None
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| iva2k |
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*
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| iva2k |
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**************************************************************************************************************
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| iva2k |
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*/
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| iva2k |
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| iva2k |
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#define FILENAME_R "input.txt"
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| iva2k |
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#define FILENAME_W "output.txt"
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| iva2k |
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#define MAX_BUFFER_SIZE (4000)
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| iva2k |
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void Main_Copy (void)
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| iva2k |
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{
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| iva2k |
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USB_INT32S fdr;
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| iva2k |
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USB_INT32S fdw;
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| iva2k |
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USB_INT32U bytes_read;
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| iva2k |
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fdr = FILE_Open((char *)FILENAME_R, RDONLY);
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if (fdr > 0) {
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fdw = FILE_Open((char *)FILENAME_W, RDWR);
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if (fdw > 0) {
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PRINT_Log("Copying from %s to %s...\r\n", FILENAME_R, FILENAME_W);
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| iva2k |
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do {
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| iva2k |
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bytes_read = FILE_Read(fdr, UserBuffer, MAX_BUFFER_SIZE);
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FILE_Write(fdw, UserBuffer, bytes_read);
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| iva2k |
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PRINT_Log(".");
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| iva2k |
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} while (bytes_read);
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| iva2k |
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PRINT_Log("\r\n");
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| iva2k |
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FILE_Close(fdw);
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| iva2k |
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} else {
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| iva2k |
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PRINT_Log("Could not open file %s\r\n", FILENAME_W);
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| iva2k |
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return;
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| iva2k |
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}
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| iva2k |
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FILE_Close(fdr);
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PRINT_Log("Copy completed\r\n");
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| iva2k |
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} else {
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| iva2k |
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PRINT_Log("Could not open file %s\r\n", FILENAME_R);
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return;
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}
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| iva2k |
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}
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| iva2k |
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| iva2k |
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int main()
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| iva2k |
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{
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| iva2k |
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USB_INT32S rc;
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| iva2k |
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USB_INT32U numBlks, blkSize;
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| iva2k |
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USB_INT08U inquiryResult[INQUIRY_LENGTH];
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| iva2k |
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print_clock();
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| iva2k |
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// UART_Init(115200); /* Initialize the serial port to view the log messages */
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| iva2k |
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Host_Init(); /* Initialize the host controller */
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| iva2k |
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rc = Host_EnumDev(); /* Enumerate the device connected */
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| iva2k |
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if (rc == OK) {
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| iva2k |
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/* Initialize the mass storage and scsi interfaces */
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| iva2k |
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rc = MS_Init( &blkSize, &numBlks, inquiryResult );
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| iva2k |
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if (rc == OK) {
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| iva2k |
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rc = FAT_Init(); /* Initialize the FAT16 file system */
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| iva2k |
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if (rc == OK) {
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Main_Copy(); /* Call the application */
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} else {
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| iva2k |
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printf("ERROR %d in FAT_Init()\r\n", rc);
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| iva2k |
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while ( 1 );
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| iva2k |
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// return (0);
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| iva2k |
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}
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| iva2k |
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printf("All OK in main()\r\n");
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} else {
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| iva2k |
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printf("ERROR %d in MS_Init()\r\n", rc);
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| iva2k |
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while ( 1 );
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| iva2k |
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// return (0);
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| iva2k |
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}
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| iva2k |
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} else {
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| iva2k |
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printf("ERROR %d in Host_EnumDev()\r\n", rc);
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| iva2k |
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while ( 1 );
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| iva2k |
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// return (0);
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| iva2k |
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}
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| iva2k |
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115
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while(1);
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| iva2k |
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}
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Ilya I