Yes, I have Pullups. I use this Board. https://download.mikroe.com/documents/add-on-boards/click/ftdi/ftdi-click-manual-v100.pdf
projekt/I2C/FTDI/ftdi-i2c-master> sudo ./i2csend 0x60 Port opened, resetting device... Got 2 bytes FA AA FTDI synchronized Sending C0 Received: 1, FA Received ACK This is the signal with a NACK http://192.168.1.105/crt_print.png?update=Update Am 30.04.2018 um 19:20 schrieb Hannes Weisbach: > Hi, > > silly question: did you put pull-ups on the bus lines? > > Best regards, > Hannes > >> Am 30.04.2018 um 14:10 schrieb Rene Doss <[email protected]>: >> >> >> >> >> Hallo, >> >> I what to use my FT2232H for a I2C Master. Should be a simple task with >> the following >> >> https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjUvr7M-OHaAhUILFAKHd_MDvIQFggqMAA&url=http%3A%2F%2Fwww.ftdichip.com%2FSupport%2FDocuments%2FAppNotes%2FAN_255_USB%2520to%2520I2C%2520Example%2520using%2520the%2520FT232H%2520and%2520FT201X%2520devices.pdf&usg=AOvVaw0oXv754fyrRV5xnAl7nnz4 >> >> This document descibe what I need. >> I have written some code and see the I2C message on my oscilloscope. >> Thats so nice. >> But I get not the NACK it is allways an ACK. (no slave in the bus). >> >> Now is in in the function SendByteAndCheckACK() a function calls >> FT_GetQueueStatus. >> >> ftStatus = FT_GetQueueStatus(ftHandle, &dwNumInputBuffer); >> >> I do not see the function FT_GetQueueStatus in libftdi. Has this an >> other name? >> Or use FTDI an other polling mechanismus? >> >> René Doss >> >> >> >> >> -- >> libftdi - see http://www.intra2net.com/en/developer/libftdi for details. >> To unsubscribe send a mail to [email protected] >> > > -- > libftdi - see http://www.intra2net.com/en/developer/libftdi for details. > To unsubscribe send a mail to [email protected] > -- libftdi - see http://www.intra2net.com/en/developer/libftdi for details. To unsubscribe send a mail to [email protected]
