CCS/TMS570LS0432: EEPROM with F021 library on TMS570LS0432

Ciprian Andrei

Part Number: TMS570LS0432
Other Parts Discussed in Thread: HALCOGEN

Tool/software: Code Composer Studio

Hello,

I am trying to use the F021 library in order to save data to the EEPROM on my TMS570LS0432 launch-pad and I cannot make it happen. I've tried in different ways, this is a piece of code:

I've checked the addresses of the EEPROM in halcogen:

And I followed the steps from the Reference Manual:

Also this is the CPU freq that is currently configured:

The library is linked and installed correctly, if I read the status of the functions involved in the initialization process as well as the write and read, it says "Fapi_Status_Succes".

I also tried the flow-chart steps from the advanced manual:

Using the control registers(some code examples are presented also in the advanced manual) of the Flash State Machine in order to write and read, I managed to write in FWPWRITEx registers but when I checked the address at which the value was written, it was a random/default address and it did not take into consideration that I've set the FADDR register as 0xF0200000 and it seems that default address is not from the EEPROM bank's memory.

So neither of the methods worked. Please give some advice by checking what is wrong in my code.

Regards,

Ciprian.

over 6 years ago

0 QJ Wang over 6 years ago

TI__Guru**** 198746 points

Hello Ciprian,

We have a Flash EEPROM Emulation driver (FEE). It is part of our Hardware Abstraction Layer Code Generator (HALCoGen).

The HALCoGen has a simple example code for initializing FEE, writing/reading data to/from FEE:

HALCoGen-->Help-->Examples-->TMS570LS04x_03x_02x-->example_TI_Fee_Write_Read.c

0 Ciprian Andrei over 6 years ago in reply to QJ Wang

Intellectual 335 points

I tried that as well and I get an error when I try to compile from "Std_Types.h" header, which apparently doesn't exist and it is not generated by halcogen.

Also, this was not my question, I asked about the F021 library, not the FEE driver.

Thanks.

0 Ciprian Andrei over 6 years ago in reply to Ciprian Andrei

Intellectual 335 points

I've also attached a screen shot with the memory browse and also changed the arguments of the Fapi functions with the values from the array rather then its address.

0 Ciprian Andrei over 6 years ago in reply to Ciprian Andrei

Intellectual 335 points

I found out about an API function called Fapi_BlockProgram() from the forum but it is not included in my library and I didn't find any implementation of it online. Would that help if you provide me its implementation?

0 QJ Wang over 6 years ago in reply to Ciprian Andrei

TI__Guru**** 198746 points

Hello Ciprian,

I knew you want to use Flash bank 7 as EEPROM. This is why I recommended you to use FEE driver.

Fapi_BlockProgram() is one function of bl_flash.c used in CAN bootloader. bl_flash.c is a good example of using flash APIs. Please find the bootload example code in the following link:

http://git.ti.com/hercules_examples

0 Ciprian Andrei over 6 years ago in reply to QJ Wang

Intellectual 335 points

Hello,

I did it in another way. I made my own EEPROM programing function and now it works. I will leave my code here, maybe it will help others too.

3343.EEPROM header.txt

0447.EEPROM src.txt

If you want to implement erase functionality, refer to the Advanced Manual.

5875.SPNA148.pdf

Hope this will be helpful for others and won't waste their time with the implemented functions from the library. Also the documentation(spna148) should be updated regarding the flow-chart of how the registers should be programmed in order to program/erase and be a little more detailed.

Good day!

0 Ciprian Andrei over 6 years ago in reply to Ciprian Andrei

Intellectual 335 points

1373.EEPROM.c

3630.EEPROM.h

These are some updated files with functionalities: program, erase ( entire bank7) and read. You can only program 64 bits once.

Hope it will be helpful for others.

Arm-based microcontrollers

Arm-based microcontrollers forum

CCS/TMS570LS0432: EEPROM with F021 library on TMS570LS0432