Hello,
the mpsse buffer preparation and send functionality is done in:
ft2232_set_data_bits_low_byte
ft2232_set_data_bits_high_byte
You only need to deliver the port value and direction to this functions. Thats
all.
Regards,
Mathias
Am 14.02.2011 10:36, schrieb Laurent Gauch:
> Why removing a lot of code ?
>
> As :
>
> static int jtagkey_init(void)
> {
> - uint8_t buf[3];
> - uint32_t bytes_written;
> -
> low_output = 0x08;
> low_direction = 0x1b;
>
> /* initialize low byte for jtag */
> - buf[0] = 0x80; /* command "set data bits low byte" */
> - buf[1] = low_output; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
> - buf[2] = low_direction; /* dir (output = 1), TCK/TDI/TMS = out, TDO =
> in, nOE = out */
> - LOG_DEBUG("%2.2x %2.2x %2.2x", buf[0], buf[1], buf[2]);
> -
> - if (ft2232_write(buf, sizeof(buf), &bytes_written) != ERROR_OK)
> + if (ft2232_set_data_bits_low_byte(low_output,low_direction) != ERROR_OK)
> {
> LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
> return ERROR_JTAG_INIT_FAILED;
>
> Please explain?
>
>
> Regards,
> Laurent
>
> http://www.amontec.com
>
> _______________________________________________
> Openocd-development mailing list
> [email protected]
> https://lists.berlios.de/mailman/listinfo/openocd-development
>
_______________________________________________
Openocd-development mailing list
[email protected]
https://lists.berlios.de/mailman/listinfo/openocd-development
