Hello,
I'm trying to use a ft2232 with MPSSE and JTAG.
I managed to get the device to respond to 0xAA (bogus code) with [0xFA
0xAA], but everytime I try to read I get 0xff.
any ideas?
Example:
unsigned char output_buff[1024];
unsigned char input_buff[1024];
uint numBytesToSend = 0;
uint numBytesToRead = 0;
uint numBytesSent = 0;
uint numBytesRead = 0;
numBytesToSend = 0;
output_buff[numBytesToSend++]=0x1A;
output_buff[numBytesToSend++]=0x01;
output_buff[numBytesToSend++]=0xAA;
numBytesSent = ftdi_write_data(&ftdic, output_buff, numBytesToSend);
//read
numBytesToRead = numBytesSent;
numBytesToSend = 0;
output_buff[numBytesToSend++]=0x2E;
output_buff[numBytesToSend++]=0x01;
numBytesSent = ftdi_write_data(&ftdic, output_buff, numBytesToSend);
numBytesToRead = numBytesSent;
input_buff[0]=0x00;input_buff[1]=0x00;input_buff[2]=0x00;
numBytesRead = ftdi_read_data(&ftdic, input_buff, numBytesToRead);
My objective is to be able to use the ft2232 to flash another device via
JTAG.
I've based my implementation on ioftdi from xc3sprog.
Thanks!
--
Rodrigo.
--
libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
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