Hi Zvi, On Wed, 30 Jul 2014 20:59:15 +0300, Zvi Vered wrote: > From an Intel’s ATOM I want to send an I2C message from SMBus controller to > a TI’s microcontroller configured as an I2C slave. > > I used the following code: > > handle = fopen (“/dev/i2c-14”,O_RDWR); //open SMBUs controller > > ioctl (handle, I2C_SLAVE, 0x43); //set I2C slave destination address > > i2c_smbus_write_block_data (handle, 0x00, 16, buffer); //send 16 bytes > message, command = 0x00 > > The message I want to send is: 0xAD, 0x2D, 0xFE, 0xCA, ..... 0x00 (16 > bytes) > > I’m using I2C sniffer to see what I sent and what I see is: > > 0x00, 0x10, 0xAD, 0x2D, 0xFE, 0xCA, ..... > > It seems the register (command) and length are also sent. > > The MCU expect pure data without the 2 bytes: 0x00, 0x10 > > The above code runs under vanilla linux 3.2.48 > > Can you help ? This is unrelated to hardware monitoring and thus off-topic on the lm-sensors list. Please ask on the linux-i2c list, Cc me. -- Jean Delvare SUSE L3 Support _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
