nRF always landing in the non-existant ResetHandler

RE: nRF always landing in the non-existant ResetHandler

Yatekii — Fri, 24 Feb 2017 23:23:00 GMT

Thank you so much! "code finally compiles and is flashed successfully; leds blink :)" my commit message ;)

RE: nRF always landing in the non-existant ResetHandler

Jørgen Holmefjord — Fri, 24 Feb 2017 12:30:28 GMT

From the CFLAGS in your Makefile, it looks like you are using a Makefile for a blinky application running on a board having a softdevice present:

CFLAGS += -DSOFTDEVICE_PRESENT
CFLAGS += -DBLE_STACK_SUPPORT_REQD
CFLAGS += -DNRF_SD_BLE_API_VERSION=3
CFLAGS += -DS132

If you are using the linker-file found in the same directory, your RAM and FLASH settings might place your application in a region that the bootloader does not recognize. Your options then are:

Flash the softdevice (you can do this by running make flash_softdevice
Use a linker file with correct RAM/FLASH settings (you can use the file found in [SDK_ROOT]\examples\peripheral\blinky\pca10040\blank\armgcc\blinky_gcc_nrf52.ld)

Best regards,

Jørgen

RE: nRF always landing in the non-existant ResetHandler

Yatekii — Fri, 24 Feb 2017 12:07:39 GMT

That's okay :) sorry, I somehow just referred to physical ... I edited it to be GPIO numbers and added the makefile. I didn't specifically flash the softdevice, but I can't tell you with 100% guarantee :P

RE: nRF always landing in the non-existant ResetHandler

Jørgen Holmefjord — Fri, 24 Feb 2017 11:53:37 GMT

Yes, I had to check as the physical pin number depends on the package, it is more convenient to talk about GPIO pin number when talking about software ;) Also some users confuse the physical pin number of the chip with the GPIO pin number used in the application. Which Makefile do you use? Do you have a softdevice flashed to your chip?

RE: nRF always landing in the non-existant ResetHandler

Yatekii — Fri, 24 Feb 2017 10:47:50 GMT

No, of course I mean the physical pin number :) Otherwise I would write GPIO ;)

RE: nRF always landing in the non-existant ResetHandler

Jørgen Holmefjord — Fri, 24 Feb 2017 10:22:50 GMT

When you say your LEDs are on pins 20 and 22, you you mean the pin assignment number on the actual chip? You should use the pin name number (P0.xx) in your application. If a LED is connected to pin P0.20, you should set #define BSP_LED_0 20in your application.