Ejemplo n.º 1
0
static int
fx3_ram_write (
		cyusb_handle  *h,
		unsigned char *buf,
		unsigned int   ramAddress,
		int            len)
{
	int r;
	int index = 0;
	int size;

	while (len > 0) {
		size = (len > MAX_WRITE_SIZE) ? MAX_WRITE_SIZE : len;
		r = cyusb_control_transfer (h, 0x40, 0xA0, GET_LSW(ramAddress), GET_MSW(ramAddress),
				&buf[index], size, VENDORCMD_TIMEOUT);
		if (r != size) {
			fprintf (stderr, "Error: Vendor write to FX3 RAM failed\n");
			return -1;
		}

		ramAddress += size;
		index      += size;
		len        -= size;
	}

	return 0;
}
Ejemplo n.º 2
0
GLOBAL VOID
SMSW
                 
IFN1(
	IU32 *, pop1
    )

   {
	*pop1 = GET_MSW();
   }
Ejemplo n.º 3
0
int SPI_DOWNLOAD_THREAD::ram_write(unsigned char *buf, unsigned int ramAddress, int len)
{
    int r;
    int index = 0;
    int size;

    while ( len > 0 ) {
        size = (len > MAX_WRITE_SIZE) ? MAX_WRITE_SIZE : len;
        r = cyusb_control_transfer(h, 0x40, 0xA0, GET_LSW(ramAddress), GET_MSW(ramAddress),
                &buf[index], size, VENDORCMD_TIMEOUT);
        if ( r != size ) {
            printf("Vendor write to FX3 RAM failed\n");
            return -1;
        }

        ramAddress += size;
        index      += size;
        len        -= size;
    }

    return 0;
}
Ejemplo n.º 4
0
int SPI_DOWNLOAD_THREAD::fx3_usbboot_download(const char *filename)
{
    unsigned char *fwBuf;
    unsigned int  *data_p;
    unsigned int i, checksum;
    unsigned int address, length;
    int r, index;

    fwBuf = (unsigned char *)calloc (1, MAX_FWIMG_SIZE);
    if ( fwBuf == 0 ) {
        printf("Failed to allocate buffer to store firmware binary\n");
        sb->showMessage("Error: Failed to get memory for download\n", 5000);
        return -1;
    }

    // Read the firmware image into the local RAM buffer.
    r = read_firmware_image(filename, fwBuf, NULL);
    if ( r != 0 ) {
        printf("Failed to read firmware file %s\n", filename);
        sb->showMessage("Error: Failed to read firmware binary\n", 5000);
        free(fwBuf);
        return -2;
    }

    // Run through each section of code, and use vendor commands to download them to RAM.
    index    = 4;
    checksum = 0;
    while ( index < filesize ) {

        data_p  = (unsigned int *)(fwBuf + index);
        length  = data_p[0];
        address = data_p[1];
        if (length != 0) {
            for (i = 0; i < length; i++)
                checksum += data_p[2 + i];
            r = ram_write(fwBuf + index + 8, address, length * 4);
            if (r != 0) {
                printf("Failed to download data to FX3 RAM\n");
                sb->showMessage("Error: Write to FX3 RAM failed", 5000);
                free(fwBuf);
                return -3;
            }
        } else {
            if (checksum != data_p[2]) {
                printf ("Checksum error in firmware binary\n");
                sb->showMessage("Error: Firmware checksum error", 5000);
                free(fwBuf);
                return -4;
            }

            r = cyusb_control_transfer(h, 0x40, 0xA0, GET_LSW(address), GET_MSW(address), NULL,
                    0, VENDORCMD_TIMEOUT);
            if ( r != 0 )
                printf("Ignored error in control transfer: %d\n", r);
            break;
        }

        index += (8 + length * 4);
    }

    free(fwBuf);
    return 0;
}