https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258994
--- Comment #4 from alydi...@yahoo.com --- Comment on attachment 228624 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=228624 twsi.c driver Seems the driver does not handle 16bit wide addressing properly. I made some modification. Looks to be working. root@nanopi-neo:~/prog/I2C # ./i2c -s -f /dev/iic0 Scanning I2C devices on /dev/iic0: 57 68 root@nanopi-neo:~/prog/I2C # ./i2c -a 0x57 -f /dev/iic0 -d r -o 0 -w 16 -c 16 -m tr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f root@nanopi-neo:~/prog/I2C # echo -n "test" | ./i2c -a 0x57 -f /dev/iic0 -d w -o 0x6 -w 16 -c 4 -m tr root@nanopi-neo:~/prog/I2C # ./i2c -a 0x57 -f /dev/iic0 -d r -o 0 -w 16 -c 16 -m tr 00 01 02 03 04 05 74 65 73 74 0a 0b 0c 0d 0e 0f root@nanopi-neo:~/prog/I2C # date;./ds1307 -s;./ds1307 -r Tue Oct 12 19:45:35 PST 2021 19:45:35 12/10/2021 root@nanopi-neo:~/prog/I2C # ./i2c -a 0x68 -f /dev/iic0 -d r -o 0 -w 8 -c 1 -m tr 15 root@nanopi-neo:~/prog/I2C # ./i2c -a 0x68 -f /dev/iic0 -d r -o 0 -w 8 -c 1 -m tr 16 -- You are receiving this mail because: You are the assignee for the bug.
