Upgrading a project from SDK8.1 to SDK 12.2

[Elm]

Hi!

I am in the process of upgrading a quite large project from SDK 8.1 to SDK 12.2. It uses the nRF52 DK, PCA10028. I still use the toolchain I stated with, including a Eclipse Kepler and GNU ARM Embedded 4.9 2015q1.

Nothing works. :-(

To make at least something work, I am trying to light a LED the first thing I do, but it will not work. Code:

int main(void)
{
	int r;
	int err_code;
    // More variable declarations...

	// Set LEDs as outputs
	LEDS_CONFIGURE(LEDS_MASK);
    LEDS_ON(LED_1);

    // ... and the code continues
}

Much changes were needed due to new locations of SDK header files and code.

Looking at example makefiles, I tweaked my Makefile.

I flashed the new S130 softdevice.

I use a lot of timers. I have not updated all timer identifiers using APP_TIMER_DEF() yet, but that should not affect the LEDs, I thought.

This sdk_config.h thingie is new to me. It seems like Keil has a tool for editing that file. I hava again cheated an created an own file containing all necessary definitions (I believe.)

I would like suggestions on how to proceed. Have I overlooked something? Any ideas appreciated.

regards, Elm

[Elm]

Funny thing is: I compiled and flashed the blinky project. It runs. However, when I flash my application, the blinky project still runs, blinking the LEDs.

Why does my application not replace the blinky project? Elm

[Elm]

I compare the linker scripts for my SDK8.1 application with the linker script of the blinky example. They differ. The old one contains:

MEMORY
{
  FLASH (rx) : ORIGIN = 0x1c000, LENGTH = 0x24000
  RAM (rwx) :  ORIGIN = 0x20002800, LENGTH = 0x5800
}

The new one contains:

MEMORY
{
  FLASH (rx) : ORIGIN = 0x1b000, LENGTH = 0x25000
  RAM (rwx) :  ORIGIN = 0x200013c8, LENGTH = 0x6c38
}

Could it be that I flash my application far above the correct place, so the blinky application is not overwritten?

[Elm]

Also, the RAM section differs with different application examples. How do I know which values to place in the RAM section?

[Elm]

Replacing the old .ld file with one from the blinky example did the trick.

Elm