ftdi_syncbb (FT232R): won't erase the (m88p) chip

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ftdi_syncbb (FT232R): won't erase the (m88p) chip

Daniel Rozsnyó
Hello,
  is the fuse reading and programming too different from a chip erase ?
I am having trouble flashing a ATmega88PA chip - lowering the bitrate
does not help (anyway at 250400 it behaves "realtime", at 9600 reading
the fuses takes 10-15sec! And it still wont exit correctly):


*$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -e*

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude: Device signature = 0x1e930f
avrdude: erasing chip
avrdude: Device is not responding to program enable. Check connection.
^C



*$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 9600 -e*

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 9.51s

avrdude: Device signature = 0x1e930f
avrdude: erasing chip
avrdude: Device is not responding to program enable. Check connection.
^C




This works:

*$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -U
efuse:w:0x00:m**
*
avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude: Device signature = 0x1e930f
avrdude: reading input file "0x00"
avrdude: writing efuse (1 bytes):

Writing | ################################################## | 100% 0.01s

avrdude: 1 bytes of efuse written
avrdude: verifying efuse memory against 0x00:
avrdude: load data efuse data from input file 0x00:
avrdude: input file 0x00 contains 1 bytes
avrdude: reading on-chip efuse data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of efuse verified

avrdude: safemode: Fuses OK (E:00, H:DC, L:E7)
^C


*$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -U
efuse:w:0x01:m*

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude: Device signature = 0x1e930f
avrdude: reading input file "0x01"
avrdude: writing efuse (1 bytes):

Writing | ################################################## | 100% 0.01s

avrdude: 1 bytes of efuse written
avrdude: verifying efuse memory against 0x01:
avrdude: load data efuse data from input file 0x01:
avrdude: input file 0x01 contains 1 bytes
avrdude: reading on-chip efuse data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of efuse verified

avrdude: safemode: Fuses OK (E:01, H:DC, L:E7)
^C




FULL VERBOSE REPORT:

*$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -e -vvv*

avrdude: Version 6.1-svn-20130917, compiled on Sep 22 2013 at 17:32:10
          Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
          Copyright (c) 2007-2009 Joerg Wunsch

          System wide configuration file is "/usr/local/etc/avrdude.conf"
          User configuration file is "/home/daniel/.avrduderc"

          Using Port                    : usb
          Using Programmer              : arduino-ft232r
          Overriding Baud Rate          : 250400
avrdude: <unknown>: Pin is ok.
avrdude: VCC: Pin is ok.
avrdude: BUFF: Pin is ok.
avrdude: RESET: Pin is ok.
avrdude: SCK: Pin is ok.
avrdude: MOSI: Pin is ok.
avrdude: MISO: Pin is ok.
avrdude: ERRLED: Pin is ok.
avrdude: RDYLED: Pin is ok.
avrdude: PGMLED: Pin is ok.
avrdude: VFYLED: Pin is ok.
  ft245r:  spi bitclk 250400 -> ft baudrate 500800
          AVR Part                      : ATmega88P
          Chip Erase delay              : 9000 us
          PAGEL                         : PD7
          BS2                           : PC2
          RESET disposition             : dedicated
          RETRY pulse                   : SCK
          serial program mode           : yes
          parallel program mode         : yes
          Timeout                       : 200
          StabDelay                     : 100
          CmdexeDelay                   : 25
          SyncLoops                     : 32
          ByteDelay                     : 0
          PollIndex                     : 3
          PollValue                     : 0x53
          Memory Detail                 :

                                   Block Poll Page                      
Polled
            Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
MinW  MaxW   ReadBack
            ----------- ---- ----- ----- ---- ------ ------ ---- ------
----- ----- ---------
            eeprom        65    20     4    0 no        512 4      0  
3600  3600 0xff 0xff
                                   Block Poll Page                      
Polled
            Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
MinW  MaxW   ReadBack
            ----------- ---- ----- ----- ---- ------ ------ ---- ------
----- ----- ---------
            flash         65     6    64    0 yes      8192   64 128  
4500  4500 0xff 0xff
                                   Block Poll Page                      
Polled
            Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
MinW  MaxW   ReadBack
            ----------- ---- ----- ----- ---- ------ ------ ---- ------
----- ----- ---------
            lfuse          0     0     0    0 no          1 0      0  
4500  4500 0x00 0x00
                                   Block Poll Page                      
Polled
            Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
MinW  MaxW   ReadBack
            ----------- ---- ----- ----- ---- ------ ------ ---- ------
----- ----- ---------
            hfuse          0     0     0    0 no          1 0      0  
4500  4500 0x00 0x00
                                   Block Poll Page                      
Polled
            Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
MinW  MaxW   ReadBack
            ----------- ---- ----- ----- ---- ------ ------ ---- ------
----- ----- ---------
            efuse          0     0     0    0 no          1 0      0  
4500  4500 0x00 0x00
                                   Block Poll Page                      
Polled
            Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
MinW  MaxW   ReadBack
            ----------- ---- ----- ----- ---- ------ ------ ---- ------
----- ----- ---------
            lock           0     0     0    0 no          1 0      0  
4500  4500 0x00 0x00
                                   Block Poll Page                      
Polled
            Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
MinW  MaxW   ReadBack
            ----------- ---- ----- ----- ---- ------ ------ ---- ------
----- ----- ---------
            calibration    0     0     0    0 no          1 0      0    
0     0 0x00 0x00
                                   Block Poll Page                      
Polled
            Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
MinW  MaxW   ReadBack
            ----------- ---- ----- ----- ---- ------ ------ ---- ------
----- ----- ---------
            signature      0     0     0    0 no          3 0      0    
0     0 0x00 0x00

          Programmer Type : ftdi_syncbb
          Description     : Arduino: FT232R connected to ISP
          Pin assignment  : 0..7 = DBUS0..7
            VCC     =  (not used)
            BUFF    =  (not used)
            RESET   =  7
            SCK     =  5
            MOSI    =  6
            MISO    =  3
            ERR LED =  (not used)
            RDY LED =  (not used)
            PGM LED =  (not used)
            VFY LED =  (not used)

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude: Device signature = 0x1e930f
avrdude: safemode read 1, lfuse value: e7
avrdude: safemode read 2, lfuse value: e7
avrdude: safemode read 3, lfuse value: e7
avrdude: safemode: lfuse reads as E7
avrdude: safemode read 1, hfuse value: dc
avrdude: safemode read 2, hfuse value: dc
avrdude: safemode read 3, hfuse value: dc
avrdude: safemode: hfuse reads as DC
avrdude: safemode read 1, efuse value: 1
avrdude: safemode read 2, efuse value: 1
avrdude: safemode read 3, efuse value: 1
avrdude: safemode: efuse reads as 1
avrdude: erasing chip
avrdude: Program enable command not successful. Retrying.
avrdude: Program enable command not successful. Retrying.
avrdude: Program enable command not successful. Retrying.
avrdude: Program enable command not successful. Retrying.
avrdude: Device is not responding to program enable. Check connection.


Thanks,

Daniel
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[patch] FT245R correct reset (was Re: ftdi_syncbb (FT232R): won't erase the (m88p) chip)

Daniel Rozsnyó
I was quite impatient so I started debugging with adding printf() to the
ft245 code... and found out that the reset is done wrong.

So I fixed it:

  - main issue: after some instruction (presumably chip erase) the SCK
is H, so in that case, the consequent enter programming mode was of no
success

  - the timing does not reflect the datasheet of the cpu (20ms!)

Patch attached. I'll also try to solve the last annoying bit - lockup
after the command is done.

Daniel


On 09/22/2013 05:47 PM, "Ing. Daniel Rozsnyó" wrote:

> Hello,
>   is the fuse reading and programming too different from a chip erase ?
> I am having trouble flashing a ATmega88PA chip - lowering the bitrate
> does not help (anyway at 250400 it behaves "realtime", at 9600 reading
> the fuses takes 10-15sec! And it still wont exit correctly):
>
>
> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -e*
>
> avrdude: AVR device initialized and ready to accept instructions
>
> Reading | ################################################## | 100% 0.01s
>
> avrdude: Device signature = 0x1e930f
> avrdude: erasing chip
> avrdude: Device is not responding to program enable. Check connection.
> ^C
>
>
>
> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 9600 -e*
>
> avrdude: AVR device initialized and ready to accept instructions
>
> Reading | ################################################## | 100% 9.51s
>
> avrdude: Device signature = 0x1e930f
> avrdude: erasing chip
> avrdude: Device is not responding to program enable. Check connection.
> ^C
>
>
>
>
> This works:
>
> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -U
> efuse:w:0x00:m**
> *
> avrdude: AVR device initialized and ready to accept instructions
>
> Reading | ################################################## | 100% 0.01s
>
> avrdude: Device signature = 0x1e930f
> avrdude: reading input file "0x00"
> avrdude: writing efuse (1 bytes):
>
> Writing | ################################################## | 100% 0.01s
>
> avrdude: 1 bytes of efuse written
> avrdude: verifying efuse memory against 0x00:
> avrdude: load data efuse data from input file 0x00:
> avrdude: input file 0x00 contains 1 bytes
> avrdude: reading on-chip efuse data:
>
> Reading | ################################################## | 100% 0.00s
>
> avrdude: verifying ...
> avrdude: 1 bytes of efuse verified
>
> avrdude: safemode: Fuses OK (E:00, H:DC, L:E7)
> ^C
>
>
> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -U
> efuse:w:0x01:m*
>
> avrdude: AVR device initialized and ready to accept instructions
>
> Reading | ################################################## | 100% 0.01s
>
> avrdude: Device signature = 0x1e930f
> avrdude: reading input file "0x01"
> avrdude: writing efuse (1 bytes):
>
> Writing | ################################################## | 100% 0.01s
>
> avrdude: 1 bytes of efuse written
> avrdude: verifying efuse memory against 0x01:
> avrdude: load data efuse data from input file 0x01:
> avrdude: input file 0x01 contains 1 bytes
> avrdude: reading on-chip efuse data:
>
> Reading | ################################################## | 100% 0.00s
>
> avrdude: verifying ...
> avrdude: 1 bytes of efuse verified
>
> avrdude: safemode: Fuses OK (E:01, H:DC, L:E7)
> ^C
>
>
>
>
> FULL VERBOSE REPORT:
>
> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -e -vvv*
>
> avrdude: Version 6.1-svn-20130917, compiled on Sep 22 2013 at 17:32:10
>           Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
>           Copyright (c) 2007-2009 Joerg Wunsch
>
>           System wide configuration file is "/usr/local/etc/avrdude.conf"
>           User configuration file is "/home/daniel/.avrduderc"
>
>           Using Port                    : usb
>           Using Programmer              : arduino-ft232r
>           Overriding Baud Rate          : 250400
> avrdude: <unknown>: Pin is ok.
> avrdude: VCC: Pin is ok.
> avrdude: BUFF: Pin is ok.
> avrdude: RESET: Pin is ok.
> avrdude: SCK: Pin is ok.
> avrdude: MOSI: Pin is ok.
> avrdude: MISO: Pin is ok.
> avrdude: ERRLED: Pin is ok.
> avrdude: RDYLED: Pin is ok.
> avrdude: PGMLED: Pin is ok.
> avrdude: VFYLED: Pin is ok.
>   ft245r:  spi bitclk 250400 -> ft baudrate 500800
>           AVR Part                      : ATmega88P
>           Chip Erase delay              : 9000 us
>           PAGEL                         : PD7
>           BS2                           : PC2
>           RESET disposition             : dedicated
>           RETRY pulse                   : SCK
>           serial program mode           : yes
>           parallel program mode         : yes
>           Timeout                       : 200
>           StabDelay                     : 100
>           CmdexeDelay                   : 25
>           SyncLoops                     : 32
>           ByteDelay                     : 0
>           PollIndex                     : 3
>           PollValue                     : 0x53
>           Memory Detail                 :
>
>                                    Block Poll Page Polled
>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
> MinW  MaxW   ReadBack
>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
> ----- ----- ---------
>             eeprom        65    20     4    0 no        512 4      0
> 3600  3600 0xff 0xff
>                                    Block Poll Page Polled
>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
> MinW  MaxW   ReadBack
>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
> ----- ----- ---------
>             flash         65     6    64    0 yes      8192   64 128
> 4500  4500 0xff 0xff
>                                    Block Poll Page Polled
>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
> MinW  MaxW   ReadBack
>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
> ----- ----- ---------
>             lfuse          0     0     0    0 no          1 0      0
> 4500  4500 0x00 0x00
>                                    Block Poll Page Polled
>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
> MinW  MaxW   ReadBack
>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
> ----- ----- ---------
>             hfuse          0     0     0    0 no          1 0      0
> 4500  4500 0x00 0x00
>                                    Block Poll Page Polled
>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
> MinW  MaxW   ReadBack
>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
> ----- ----- ---------
>             efuse          0     0     0    0 no          1 0      0
> 4500  4500 0x00 0x00
>                                    Block Poll Page Polled
>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
> MinW  MaxW   ReadBack
>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
> ----- ----- ---------
>             lock           0     0     0    0 no          1 0      0
> 4500  4500 0x00 0x00
>                                    Block Poll Page Polled
>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
> MinW  MaxW   ReadBack
>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
> ----- ----- ---------
>             calibration    0     0     0    0 no          1 0      0
> 0     0 0x00 0x00
>                                    Block Poll Page Polled
>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
> MinW  MaxW   ReadBack
>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
> ----- ----- ---------
>             signature      0     0     0    0 no          3 0      0
> 0     0 0x00 0x00
>
>           Programmer Type : ftdi_syncbb
>           Description     : Arduino: FT232R connected to ISP
>           Pin assignment  : 0..7 = DBUS0..7
>             VCC     =  (not used)
>             BUFF    =  (not used)
>             RESET   =  7
>             SCK     =  5
>             MOSI    =  6
>             MISO    =  3
>             ERR LED =  (not used)
>             RDY LED =  (not used)
>             PGM LED =  (not used)
>             VFY LED =  (not used)
>
> avrdude: AVR device initialized and ready to accept instructions
>
> Reading | ################################################## | 100% 0.01s
>
> avrdude: Device signature = 0x1e930f
> avrdude: safemode read 1, lfuse value: e7
> avrdude: safemode read 2, lfuse value: e7
> avrdude: safemode read 3, lfuse value: e7
> avrdude: safemode: lfuse reads as E7
> avrdude: safemode read 1, hfuse value: dc
> avrdude: safemode read 2, hfuse value: dc
> avrdude: safemode read 3, hfuse value: dc
> avrdude: safemode: hfuse reads as DC
> avrdude: safemode read 1, efuse value: 1
> avrdude: safemode read 2, efuse value: 1
> avrdude: safemode read 3, efuse value: 1
> avrdude: safemode: efuse reads as 1
> avrdude: erasing chip
> avrdude: Program enable command not successful. Retrying.
> avrdude: Program enable command not successful. Retrying.
> avrdude: Program enable command not successful. Retrying.
> avrdude: Program enable command not successful. Retrying.
> avrdude: Device is not responding to program enable. Check connection.
>
>
> Thanks,
>
> Daniel
> _______________________________________________
> avrdude-dev mailing list
> [hidden email]
> https://lists.nongnu.org/mailman/listinfo/avrdude-dev

_______________________________________________
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avrdude-ft245r-reset.patch (1K) Download Attachment
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Re: [patch] FT245R correct reset (was Re: ftdi_syncbb (FT232R): won't erase the (m88p) chip)

Daniel Rozsnyó
Actually, the SCK has to be set before powerup, so the new line goes
before power setting :)

Sorry,

D.

On 09/22/2013 08:13 PM, "Ing. Daniel Rozsnyó" wrote:

> I was quite impatient so I started debugging with adding printf() to the
> ft245 code... and found out that the reset is done wrong.
>
> So I fixed it:
>
>   - main issue: after some instruction (presumably chip erase) the SCK
> is H, so in that case, the consequent enter programming mode was of no
> success
>
>   - the timing does not reflect the datasheet of the cpu (20ms!)
>
> Patch attached. I'll also try to solve the last annoying bit - lockup
> after the command is done.
>
> Daniel
>
>
> On 09/22/2013 05:47 PM, "Ing. Daniel Rozsnyó" wrote:
>> Hello,
>>   is the fuse reading and programming too different from a chip erase ?
>> I am having trouble flashing a ATmega88PA chip - lowering the bitrate
>> does not help (anyway at 250400 it behaves "realtime", at 9600 reading
>> the fuses takes 10-15sec! And it still wont exit correctly):
>>
>>
>> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -e*
>>
>> avrdude: AVR device initialized and ready to accept instructions
>>
>> Reading | ################################################## | 100% 0.01s
>>
>> avrdude: Device signature = 0x1e930f
>> avrdude: erasing chip
>> avrdude: Device is not responding to program enable. Check connection.
>> ^C
>>
>>
>>
>> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 9600 -e*
>>
>> avrdude: AVR device initialized and ready to accept instructions
>>
>> Reading | ################################################## | 100% 9.51s
>>
>> avrdude: Device signature = 0x1e930f
>> avrdude: erasing chip
>> avrdude: Device is not responding to program enable. Check connection.
>> ^C
>>
>>
>>
>>
>> This works:
>>
>> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -U
>> efuse:w:0x00:m**
>> *
>> avrdude: AVR device initialized and ready to accept instructions
>>
>> Reading | ################################################## | 100% 0.01s
>>
>> avrdude: Device signature = 0x1e930f
>> avrdude: reading input file "0x00"
>> avrdude: writing efuse (1 bytes):
>>
>> Writing | ################################################## | 100% 0.01s
>>
>> avrdude: 1 bytes of efuse written
>> avrdude: verifying efuse memory against 0x00:
>> avrdude: load data efuse data from input file 0x00:
>> avrdude: input file 0x00 contains 1 bytes
>> avrdude: reading on-chip efuse data:
>>
>> Reading | ################################################## | 100% 0.00s
>>
>> avrdude: verifying ...
>> avrdude: 1 bytes of efuse verified
>>
>> avrdude: safemode: Fuses OK (E:00, H:DC, L:E7)
>> ^C
>>
>>
>> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -U
>> efuse:w:0x01:m*
>>
>> avrdude: AVR device initialized and ready to accept instructions
>>
>> Reading | ################################################## | 100% 0.01s
>>
>> avrdude: Device signature = 0x1e930f
>> avrdude: reading input file "0x01"
>> avrdude: writing efuse (1 bytes):
>>
>> Writing | ################################################## | 100% 0.01s
>>
>> avrdude: 1 bytes of efuse written
>> avrdude: verifying efuse memory against 0x01:
>> avrdude: load data efuse data from input file 0x01:
>> avrdude: input file 0x01 contains 1 bytes
>> avrdude: reading on-chip efuse data:
>>
>> Reading | ################################################## | 100% 0.00s
>>
>> avrdude: verifying ...
>> avrdude: 1 bytes of efuse verified
>>
>> avrdude: safemode: Fuses OK (E:01, H:DC, L:E7)
>> ^C
>>
>>
>>
>>
>> FULL VERBOSE REPORT:
>>
>> *$ avrdude -c arduino-ft232r -P usb -p atmega88p -b 250400 -e -vvv*
>>
>> avrdude: Version 6.1-svn-20130917, compiled on Sep 22 2013 at 17:32:10
>>           Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
>>           Copyright (c) 2007-2009 Joerg Wunsch
>>
>>           System wide configuration file is "/usr/local/etc/avrdude.conf"
>>           User configuration file is "/home/daniel/.avrduderc"
>>
>>           Using Port                    : usb
>>           Using Programmer              : arduino-ft232r
>>           Overriding Baud Rate          : 250400
>> avrdude: <unknown>: Pin is ok.
>> avrdude: VCC: Pin is ok.
>> avrdude: BUFF: Pin is ok.
>> avrdude: RESET: Pin is ok.
>> avrdude: SCK: Pin is ok.
>> avrdude: MOSI: Pin is ok.
>> avrdude: MISO: Pin is ok.
>> avrdude: ERRLED: Pin is ok.
>> avrdude: RDYLED: Pin is ok.
>> avrdude: PGMLED: Pin is ok.
>> avrdude: VFYLED: Pin is ok.
>>   ft245r:  spi bitclk 250400 -> ft baudrate 500800
>>           AVR Part                      : ATmega88P
>>           Chip Erase delay              : 9000 us
>>           PAGEL                         : PD7
>>           BS2                           : PC2
>>           RESET disposition             : dedicated
>>           RETRY pulse                   : SCK
>>           serial program mode           : yes
>>           parallel program mode         : yes
>>           Timeout                       : 200
>>           StabDelay                     : 100
>>           CmdexeDelay                   : 25
>>           SyncLoops                     : 32
>>           ByteDelay                     : 0
>>           PollIndex                     : 3
>>           PollValue                     : 0x53
>>           Memory Detail                 :
>>
>>                                    Block Poll Page Polled
>>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
>> MinW  MaxW   ReadBack
>>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
>> ----- ----- ---------
>>             eeprom        65    20     4    0 no        512 4      0
>> 3600  3600 0xff 0xff
>>                                    Block Poll Page Polled
>>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
>> MinW  MaxW   ReadBack
>>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
>> ----- ----- ---------
>>             flash         65     6    64    0 yes      8192   64 128
>> 4500  4500 0xff 0xff
>>                                    Block Poll Page Polled
>>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
>> MinW  MaxW   ReadBack
>>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
>> ----- ----- ---------
>>             lfuse          0     0     0    0 no          1 0      0
>> 4500  4500 0x00 0x00
>>                                    Block Poll Page Polled
>>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
>> MinW  MaxW   ReadBack
>>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
>> ----- ----- ---------
>>             hfuse          0     0     0    0 no          1 0      0
>> 4500  4500 0x00 0x00
>>                                    Block Poll Page Polled
>>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
>> MinW  MaxW   ReadBack
>>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
>> ----- ----- ---------
>>             efuse          0     0     0    0 no          1 0      0
>> 4500  4500 0x00 0x00
>>                                    Block Poll Page Polled
>>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
>> MinW  MaxW   ReadBack
>>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
>> ----- ----- ---------
>>             lock           0     0     0    0 no          1 0      0
>> 4500  4500 0x00 0x00
>>                                    Block Poll Page Polled
>>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
>> MinW  MaxW   ReadBack
>>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
>> ----- ----- ---------
>>             calibration    0     0     0    0 no          1 0      0
>> 0     0 0x00 0x00
>>                                    Block Poll Page Polled
>>             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages
>> MinW  MaxW   ReadBack
>>             ----------- ---- ----- ----- ---- ------ ------ ---- ------
>> ----- ----- ---------
>>             signature      0     0     0    0 no          3 0      0
>> 0     0 0x00 0x00
>>
>>           Programmer Type : ftdi_syncbb
>>           Description     : Arduino: FT232R connected to ISP
>>           Pin assignment  : 0..7 = DBUS0..7
>>             VCC     =  (not used)
>>             BUFF    =  (not used)
>>             RESET   =  7
>>             SCK     =  5
>>             MOSI    =  6
>>             MISO    =  3
>>             ERR LED =  (not used)
>>             RDY LED =  (not used)
>>             PGM LED =  (not used)
>>             VFY LED =  (not used)
>>
>> avrdude: AVR device initialized and ready to accept instructions
>>
>> Reading | ################################################## | 100% 0.01s
>>
>> avrdude: Device signature = 0x1e930f
>> avrdude: safemode read 1, lfuse value: e7
>> avrdude: safemode read 2, lfuse value: e7
>> avrdude: safemode read 3, lfuse value: e7
>> avrdude: safemode: lfuse reads as E7
>> avrdude: safemode read 1, hfuse value: dc
>> avrdude: safemode read 2, hfuse value: dc
>> avrdude: safemode read 3, hfuse value: dc
>> avrdude: safemode: hfuse reads as DC
>> avrdude: safemode read 1, efuse value: 1
>> avrdude: safemode read 2, efuse value: 1
>> avrdude: safemode read 3, efuse value: 1
>> avrdude: safemode: efuse reads as 1
>> avrdude: erasing chip
>> avrdude: Program enable command not successful. Retrying.
>> avrdude: Program enable command not successful. Retrying.
>> avrdude: Program enable command not successful. Retrying.
>> avrdude: Program enable command not successful. Retrying.
>> avrdude: Device is not responding to program enable. Check connection.
>>
>>
>> Thanks,
>>
>> Daniel
>> _______________________________________________
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>
>
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avrdude-ft245r-reset.patch (1K) Download Attachment
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Re: [patch] FT245R correct reset (was Re: ftdi_syncbb (FT232R): won't erase the (m88p) chip)

Joerg Wunsch
In reply to this post by Daniel Rozsnyó
As "Ing. Daniel Rozsnyó" wrote:

> I was quite impatient so I started debugging with adding printf() to the
> ft245 code... and found out that the reset is done wrong.
>
> So I fixed it:

Please don't forget to submit this to the patch tracker.

I've spent much time during the last weeks for AVRDUDE, I won't be
able to spend an equal amount of time in the near future.  So unless
some other active developer picks it up immediately, and cross-checks
everything (I'm not very knowledgable about the ftdi_syncbb programmer
myself, so I can't judge whether the patch is OK, or might have bad
side effects for other hardware), it's very important someone will
remember this in time before the next release.
--
cheers, Joerg               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/
Never trust an operating system you don't have sources for. ;-)

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