MSPM0C1104: EEPROM Emulation migration

Hi Franco,

Do you know where in EEPROM_TypeA_init() you Hard Fault? Is there any way you can share your project or files?

Best,

Owen

I reach the end of the init:
 

But when return the code crash (attach some information about memory and registers).

Hi Franco,

Thanks for sharing. I was wondering if you could define all interrupts in you main.c file like so:

void NMI_Handler (void) { while(1) {} }
void HardFault_Handler (void) { while(1) {} }
void SVC_Handler (void) { while(1) {} }
void PendSV_Handler (void) { while(1) {} }
void SysTick_Handler (void) { while(1) {} }
void GROUP0_IRQHandler (void) { while(1) {} }
void GPIOA_IRQHandler (void) { while(1) {} }
void TIMG8_IRQHandler (void) { while(1) {} }
void ADC0_IRQHandler (void) { while(1) {} }
void SPI0_IRQHandler (void)  { while(1) {} }
void UART0_IRQHandler (void) { while(1) {} }
void TIMG14_IRQHandler (void) { while(1) {} }
void TIMA0_IRQHandler (void) { while(1) {} }
void I2C0_IRQHandler (void) { while(1) {} }
void DMA_IRQHandler (void) { while(1) {} }

Best,

Owen

Owen, thanks for the support.

I was out of the office. Today I try to redefine all the interrupts, but I still locked on HardFault. Also, I disable all interrupts but not succed....

Best,

Franco

Hi Franco,

Could you share a screenshot of the Processor Options? You can find this by right-clicking on your project > Properties... > Arm Compiler > Processor Options.

Best,

Owen

Here is my configuration:

I checked with eeprom_emulation_type_a_LP_MSPM0C1104_nortos_ticlang example and looks the same.

Best,

Franco

Hi Franco,

Yes, that's exactly how we want the settings configured. Is it possible for you to share the project with me? This may make debugging the hard fault easier.

Best,

Owen

Sure, here is the code:

CLI_Calibradora.rar

Best,

Franco

Owen,

First of all thanks for the support. Now it's working. 

Now I have some doubts about the example and the #ifndef inside the library. I test to define the EEPROM_EMULATION_ADDRESS before call the library but it's not work. Also, in the example say:

#include <ti/eeprom/emulation_type_a/eeprom_emulation_type_a.h>
#include "ti_msp_dl_config.h"

/* Address in main memory to write to. This is defined in the
 * eeprom_emulation_type_a.h header file. Uncommenting the #define below will
 * overwrite the default #define in the header file. */
#define EEPROM_EMULATION_ADDRESS    0x00001000

That isn't true. 

Best,

Franco

Hi Franco,

I took another look and realized what the actual issue is. I previously noted the address should be 0x1400. This is incorrect, as I was referencing the Type B macros. The reason why the program hard faults is because the EEPROM emulation address was within the FLASH that your program is in. One way you can check this is by looking at the .map file. Ensure that the emulation address is outside of the code space. The reason why 0x1000 works for the SDK example is because the code in FLASH only takes up to 0xDD0. I believe your program takes up to around 0x1570 in FLASH. I overwrote the address to 0x1600 and I did not experience a hard fault when running the code.

Hope this provides a better explanation for the hard fault.

Best,

Owen