[PIC] I2C Master read problem

[Karthi Keyan]

Hi,
I am using Pic18f25k22. I am trying to read data from slave. Once the slave address is sent along with read bit, the receive the ack from slave both SDA and SCL goes to low. then master is not able to receive the data from slave. Here i attached both master and slave code. please check it.

Thanks,
Karthi.
View attachment Master_Read.txtView attachment Slave_write.txt

 

[babar_ali]

Hello,

have a look at the attached files. I hope this will help. Change the file extensions.

Enjoy!!!

 

[pasicr]

Hi there,
read this posts
https://www.edaboard.com/threads/294357/
regards

 

[Karthi Keyan]

Hi there,
read this posts
https://www.edaboard.com/threads/294357/
regards

Yeah I am also using the same concept. Only problem is after sent the address to slave, both clock and data pin goes to low. I do not know why its getting low. Please check my code.

Thanks.

 

[babar_ali]

Hello here is the code i wrote for master to salve communication.

Enjoy!!!