668477
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668477
我最近一个项目的代码也把boot0引脚用作pwm的功能，按住boot按键再rest，没有发现难进入bootloader状态的情况。
#include int i = 0; IWDG_HandleTypeDef watchdog; void setup() { // put your setup code here, to run once: HAL_StatusTypeDef ret; watchdog.Init.Prescaler = IWDG_PRESCALER_64; watchdog.Init.Reload = 512; watchdog.Instance = IWDG;...