STM32F0 I2C Example code

[kasun_duminda92]

Posted on July 26, 2013 at 04:06

I have been trying to make a slave I2C device communicate with my STM32F0 board, with no success. Can anyone give me an example code to config, init and send and receive data through the I2C bus.

[saiyaswanth97]

Posted on June 11, 2016 at 16:58

[saiyaswanth97]

Posted on June 11, 2016 at 17:02

What is the i2c address of RTC

[Tesla DeLorean]

Posted on June 11, 2016 at 17:12

Let's try and think this through and supply enough detail in the question so people not inside your head can figure out what you're using?

Which RTC chip are you using?

What does the Data Sheet for the RTC say?

What specific STM32 part are you attempting to attach this too?

[saiyaswanth97]

Posted on June 11, 2016 at 17:18

The address of RTC in this code.

Sorry for the before post.

Thanks in advance.

[Tesla DeLorean]

Posted on June 11, 2016 at 22:57

The

http://datasheets.maximintegrated.com/en/ds/DS1307.pdf

specifies the address as 0x68, so in this context (0x68 << 1) for the high order 7-bits used by the STM32