Hello,
I encountered a very strange problem. This problem originated from my development of RGB color lights using the NRF52840. Due to the limitations of RGB color lights, I needed to control the high and low level changes of the IO port extremely quickly. For example, I needed a high level of 300ns and a low level of 900ns.
When I used the function nrf_gpio_pin_set, I found that it did not conform to this specification. When I chose to directly use NRF_P1->, my RGB worked properly and had been used normally before. However, there was a persistent problem: the current was much higher than expected. I originally suspected that the current of the RGB itself was high, but when I removed the RGB, it was still the same.
At this point, I began to investigate the software problem. When I finally removed NRF_P1->, the cause was found and the current was normal. I was very puzzled by this. I did another test. I reset the software but did not operate the RGB light, that is, I did not use NRF_P1->OUTSET, the current was normal. However, as long as I used NRF_P1->OUTSET, even though the RGB light had been removed by me, there was still an additional 2mA of current.
Please help me answer the above questions. I'm really looking forward to your reply!
