Date: Mon, 21 Sep 2009 13:52:13 -0400 From: Pierre-Luc Drouin <pldrouin@pldrouin.net> To: Hans Petter Selasky <hselasky@c2i.net> Cc: ed@freebsd.org, freebsd-usb@freebsd.org Subject: Re: usb/138659: uftdi driver broken in RELENG_8/CURRENT Message-ID: <4AB7BD4D.4020703@pldrouin.net> In-Reply-To: <200909211932.37015.hselasky@c2i.net> References: <4AB6DA79.7050209@pldrouin.net> <200909211827.53014.hselasky@c2i.net> <4AB7B7E6.9070005@pldrouin.net> <200909211932.37015.hselasky@c2i.net>
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Hans Petter Selasky wrote:
> On Monday 21 September 2009 19:29:10 Pierre-Luc Drouin wrote:
>
>> Hans Petter Selasky wrote:
>>
>>> On Monday 21 September 2009 03:44:25 Pierre-Luc Drouin wrote:
>>>
>>>> Hi,
>>>>
>>>> I am also having troubles with the uftdi driver on 8.0-BETA4.
>>>> I am trying to use a fan controller (mCubed bigNG) that uses a FT232BL
>>>> chip and it does not seem to be responding on FreeBSD 8.0 while the same
>>>> code works perfectly on Linux (I have not tried the code on RELENG_7 yet
>>>> but I could install it if necessary).
>>>>
>>>> Here is the very simple code I am using for testing:
>>>> #include <termios.h>
>>>> #include <fcntl.h>
>>>> #include <string.h>
>>>> #include <unistd.h>
>>>> #include <stdio.h>
>>>>
>>>> int main();
>>>>
>>>> #define DEV "/dev/ttyU0"
>>>>
>>>> #define TBAN_SER_SOURCE1 0x05 /* Primary source */
>>>> #define TBAN_SER_SOURCE2 0x06 /* Alternative source (miniNG...)
>>>> */
>>>>
>>>> #define TBAN_SER_REQUEST 0x36
>>>>
>>>> int main()
>>>> {
>>>> int fd;
>>>> int result;
>>>> struct termios oldtio, newtio;
>>>> unsigned char buf[285];
>>>>
>>>> printf("Opening device\n");
>>>> fd=open(DEV, O_RDWR | O_NOCTTY);
>>>>
>>>> if(fd<0) {
>>>> perror(DEV);
>>>> return 1;
>>>> }
>>>>
>>>> result=tcgetattr(fd,&oldtio);
>>>> if(result<0) {
>>>> perror("tcgetattr");
>>>> return 1;
>>>> }
>>>>
>>>> memcpy(&newtio,&oldtio,sizeof(struct termios));
>>>> newtio.c_cflag = B19200
>>>>
>>>> | CRTSCTS
>>>> | CS8
>>>> | CREAD;
>>>>
>>>> newtio.c_iflag = IGNPAR;
>>>> newtio.c_oflag = 0;
>>>> newtio.c_lflag = 0;
>>>> newtio.c_cc[VMIN] = 1;
>>>> newtio.c_cc[VTIME] = 0;
>>>>
>>>> result=tcflush(fd, TCIFLUSH);
>>>> if(result<0) {
>>>> perror("tcflush");
>>>> return 1;
>>>> }
>>>>
>>>> result=tcsetattr(fd,TCSANOW,&newtio);
>>>> if(result<0) {
>>>> perror("tcsetattr");
>>>> return 1;
>>>> }
>>>>
>>>> sleep(1);
>>>>
>>>> printf("Performing initial query\n");
>>>> buf[0]=TBAN_SER_SOURCE1;
>>>> buf[1]=TBAN_SER_REQUEST;
>>>>
>>>> printf("Requesting status\n");
>>>> result=write(fd,buf,2);
>>>> if(result<0) {
>>>> perror("write");
>>>> return 1;
>>>> }
>>>>
>>>> sleep(1);
>>>>
>>>> printf("Reading status\n");
>>>> result=read(fd,buf,32);
>>>> if(result<0) {
>>>> perror("read");
>>>> return 1;
>>>> }
>>>>
>>>> result=tcsetattr(fd,TCSANOW,&oldtio);
>>>> if(result<0) {
>>>> perror("tcsetattr");
>>>> return 1;
>>>> }
>>>>
>>>> result=close(fd);
>>>> if(result<0) {
>>>> perror("close");
>>>> return 1;
>>>> }
>>>> return 0;
>>>> }
>>>>
>>>> It hangs while reading independently of the number of bits I am reading.
>>>>
>>>> Here is the output from dmesg when I load the uftdi module:
>>>> Sep 20 21:31:31 ldaemon kernel: uftdi0: <USB - Serial> on usbus6
>>>> Sep 20 21:31:31 ldaemon kernel: ucom_attach_tty:317: tp =
>>>> 0xffffff001f12b400, unit = 0 Sep 20 21:31:31 ldaemon kernel:
>>>> ucom_attach_tty:346: ttycreate: U0 Sep 20 21:31:34 ldaemon root: Unknown
>>>> USB device: vendor 0x051d product 0x0002 bus uhub0
>>>>
>>>> Here is the output in /var/log/messages when I enable the debug output
>>>> for ucom and uftdi: Sep 20 21:33:30 ldaemon kernel: ucom_open:554: tp =
>>>> 0xffffff001f12b400 Sep 20 21:33:30 ldaemon kernel: ucom_dtr:827: onoff =
>>>> 1 Sep 20 21:33:30 ldaemon kernel: ucom_line_state:799: on=0x01, off=0x00
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_rts:838: onoff = 1
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_line_state:799: on=0x02, off=0x00
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_break:816: onoff = 0
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_line_state:799: on=0x00, off=0x04
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_status_change:901:
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_param:950: sc = 0xffffff001f12ac58
>>>> Sep 20 21:33:30 ldaemon kernel: uftdi_pre_param:653:
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_dtr:827: onoff = 1
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_line_state:799: on=0x01, off=0x00
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_rts:838: onoff = 1
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_line_state:799: on=0x02, off=0x00
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_cfg_open:520:
>>>> Sep 20 21:33:30 ldaemon kernel: uftdi_cfg_open:354:
>>>> Sep 20 21:33:30 ldaemon kernel: uftdi_read_callback:459: status change
>>>> msr=0xf0 (0x00) lsr=0x60 (0x00) Sep 20 21:33:30 ldaemon kernel:
>>>> ucom_status_change:901:
>>>> Sep 20 21:33:30 ldaemon kernel: uftdi_cfg_get_status:705: msr=0xf0
>>>> lsr=0x60 Sep 20 21:33:30 ldaemon kernel: ucom_cfg_status_change:887: DCD
>>>> changed to 1 Sep 20 21:33:30 ldaemon kernel: uftdi_cfg_param:672:
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_ioctl:653: cmd = 0x402c7413
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_ioctl:653: cmd = 0x80047410
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_ioctl:653: cmd = 0x802c7414
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_param:950: sc = 0xffffff001f12ac58
>>>> Sep 20 21:33:30 ldaemon kernel: uftdi_pre_param:653:
>>>> Sep 20 21:33:30 ldaemon kernel: uftdi_cfg_get_status:705: msr=0xf0
>>>> lsr=0x60 Sep 20 21:33:30 ldaemon kernel: uftdi_cfg_param:672:
>>>> Sep 20 21:33:30 ldaemon kernel: ucom_get_data:1064: cnt=0
>>>> Sep 20 21:33:31 ldaemon kernel: ucom_ioctl:653: cmd = 0x80047410
>>>> Sep 20 21:33:32 ldaemon kernel: ucom_outwakeup:1009: sc =
>>>> 0xffffff001f12ac58 Sep 20 21:33:32 ldaemon kernel: ucom_get_data:1064:
>>>> cnt=2
>>>> Sep 20 21:33:32 ldaemon kernel: ucom_get_data:1064: cnt=0
>>>>
>>>> I really need to get this working so I am ready to test things as much
>>>> as I can...
>>>>
>>> Hi,
>>>
>>> You need to set raw mode for the TTY device I think. Maybe Ed can give
>>> you the function name you need to call to do that?
>>>
>>> --HPS
>>>
>> Do I need to do something like that?
>> ioctl(fileno(stdin), TIOCGETP, &tty_org);
>> tty = tty_org;
>>
>> /* set terminal to raw mode ... */
>> tty.sg_flags |= CRMOD;
>> tty.sg_flags &= ~ECHO;
>> tty.sg_flags &= ~XTABS;
>> tty.sg_flags |= RAW;
>>
>> Thanks!
>> Pierre-Luc Drouin
>>
>
> Hi,
>
> You need to call this function:
>
> void
> cfmakeraw(struct termios *t);
>
> --HPS
>
Hi,
it still does not work. I have added the line
cfmakeraw(&newtio);
just before the call to tcflush and I get the following output in
/var/log/messages:
Sep 21 13:38:46 ldaemon kernel: ucom_open:554: tp = 0xffffff001f12b400
Sep 21 13:38:46 ldaemon kernel: ucom_dtr:827: onoff = 1
Sep 21 13:38:46 ldaemon kernel: ucom_line_state:799: on=0x01, off=0x00
Sep 21 13:38:46 ldaemon kernel: ucom_rts:838: onoff = 1
Sep 21 13:38:46 ldaemon kernel: ucom_line_state:799: on=0x02, off=0x00
Sep 21 13:38:46 ldaemon kernel: ucom_break:816: onoff = 0
Sep 21 13:38:46 ldaemon kernel: ucom_line_state:799: on=0x00, off=0x04
Sep 21 13:38:46 ldaemon kernel: ucom_status_change:901:
Sep 21 13:38:46 ldaemon kernel: ucom_param:950: sc = 0xffffff001f12ac58
Sep 21 13:38:46 ldaemon kernel: uftdi_pre_param:653:
Sep 21 13:38:46 ldaemon kernel: ucom_dtr:827: onoff = 1
Sep 21 13:38:46 ldaemon kernel: ucom_line_state:799: on=0x01, off=0x00
Sep 21 13:38:46 ldaemon kernel: ucom_rts:838: onoff = 1
Sep 21 13:38:46 ldaemon kernel: ucom_line_state:799: on=0x02, off=0x00
Sep 21 13:38:46 ldaemon kernel: ucom_cfg_open:520:
Sep 21 13:38:46 ldaemon kernel: uftdi_cfg_open:354:
uftdi_cfg_get_status:705: msr=0xf0 lsr=0x60
Sep 21 13:38:46 ldaemon kernel: ucom_cfg_status_change:887: DCD changed to 1
Sep 21 13:38:46 ldaemon kernel: uftdi_cfg_param:672:
Sep 21 13:38:46 ldaemon kernel: ucom_ioctl:653: cmd = 0x402c7413
Sep 21 13:38:46 ldaemon kernel: ucom_ioctl:653: cmd = 0x80047410
Sep 21 13:38:46 ldaemon kernel: ucom_ioctl:653: cmd = 0x802c7414
Sep 21 13:38:46 ldaemon kernel: ucom_param:950: sc = 0xffffff001f12ac58
Sep 21 13:38:46 ldaemon kernel: uftdi_pre_param:653:
Sep 21 13:38:46 ldaemon kernel: uftdi_cfg_param:672:
Sep 21 13:38:46 ldaemon kernel: ucom_get_data:1064: cnt=0
Sep 21 13:38:47 ldaemon kernel: ucom_ioctl:653: cmd = 0x80047410
Sep 21 13:38:48 ldaemon kernel: ucom_outwakeup:1009: sc = 0xffffff001f12ac58
Sep 21 13:38:48 ldaemon kernel: ucom_get_data:1064: cnt=2
Sep 21 13:38:48 ldaemon kernel: ucom_get_data:1064: cnt=0
Thanks!
Pierre-Luc
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