I have an issue in buttonless dfu,I have 2 kinds of device,one has issue in dfu,another one has buttonless dfu and works well, I transported DFU code form another kind of device ,something strange happens,If I comment DFu code, running softdevice and app well,if i uncomment DFU code and merge softdevice,bootloader-setting,app,boot to one hex, erase and download 4to1 hex,it stuck in bootloader,if I comment LED pin 25.26.30.31 and key detect pin 16 and power hold pin 2 , dont initlize them ,then merge 4to1 hex and download, he device will stuck in bootloader last for about 1 minute,and jump to app , it is strange because the Power Hold PIn is not initlized and power is not suppled,but it worked, if I reset device ,it will also stuck in bootloader for about 1minute and then jumo to app.
this is configuation and define:
RAM start:0x20002AA8, size :D558
#define NRF_SDH_BLE_VS_UUID_COUNT 2
#define STATE_LED_PIN 31 // led
#define MODE_1_LED_PIN 30 //led
#define MODE_2_LED_PIN 26 //led
#define MODE_3_LED_PIN 25 //led
#define KEY_PWR_DET_PIN_IN 16 // key low dectet
#define PWR_HOLD_CTL 2 //power hold control pin
this issue comfuse me for days,can anyone help me ?
