adding BLE to gfx project

RE: adding BLE to gfx project

Einar Thorsrud — Tue, 25 Jun 2019 06:20:48 GMT

Hi,

I am not able to read the image. Can you upload a larger image, or just the text itself? The most typical reason for getting a HardFault is if you are dereferencing an invalid pointer, pointing to invalid memory, but that is just a guess without knowing more.

RE: adding BLE to gfx project

yuval — Tue, 25 Jun 2019 05:51:58 GMT

i used another project based ble_app_uart. took evaluation board with nothing connected to the IOs. but once i add and enable the SPI the MCU stops at a disassembly line and after that it goes into HardFault. how can i test where the problem is from?

RE: adding BLE to gfx project

awneil — Thu, 20 Jun 2019 08:30:10 GMT

[quote userid="7377" url="~/f/nordic-q-a/48779/adding-ble-to-gfx-project/193815"]start with the closest BLE project and import your GFX code into that[/quote]

Seconded.

And worth spending some time with the unmodified BLE Project to gain familiarity with it before adding stuff ...

RE: adding BLE to gfx project

Einar Thorsrud — Thu, 20 Jun 2019 08:21:43 GMT

I recommend you start with the closest BLE project and import your GFX code into that since the BLE project has much more dependencies. Going the other way around is more work and more error-prone.

RE: adding BLE to gfx project

awneil — Thu, 20 Jun 2019 07:47:59 GMT

https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/merging-two-ble-examples-together

The same should apply to a BLE and non-BLE project

RE: adding BLE to gfx project

yuval — Thu, 20 Jun 2019 06:05:08 GMT

in the nRF52 examples, one of the project is graphic ; ...nRF5_SDK_14.2.0_17b948a\examples\peripheral\gfx.

since my project started from the touch LCD i based the code on those drivers. now i want to add the BLE communication.

if i look at the app/ble examples , there are a lot of drivers , some of them (probably many) are not needed. i wanted to know if someone added BT capabilities to a non BT project.

the github example is not relevant

RE: adding BLE to gfx project

awneil — Wed, 19 Jun 2019 14:09:29 GMT

[quote userid="67026" url="~/f/nordic-q-a/48779/adding-ble-to-gfx-project"]the gfx project[/quote]

What "gfx" project ?

[quote userid="67026" url="~/f/nordic-q-a/48779/adding-ble-to-gfx-project"] i want to add BLE using UART for communication. i want to communicate my module with the nRF52840 dongle. [/quote]

Have you looked at the pc-ble-driver:

https://github.com/NordicSemiconductor/pc-ble-driver