include/btsel.h


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#pragma once

// Header file for detecting bootsel button presses.

#define PASTER(x, y) x##y
#define CONCAT(x, y) PASTER(x, y)

typedef void (*bootsel_cb_t)(void);
#define On_BootSelPress()                                              \
  static void __local_on_bootsel__(void);                              \
  __attribute__((                                                      \
      __section__(".bootsel_callbacks"))) static volatile bootsel_cb_t \
      __bootsel__position = __local_on_bootsel__;                       \
  static void __local_on_bootsel__()

#undef PASTER
#undef CONCAT

void enable_bootsel_button(void);