graphite_digester_subboard/sdk/stm32/critical.c

#include "main.h"
static uint8_t g_port_exit_critical_count;

void chip_critical_enter(void) {
  if (g_port_exit_critical_count == 0) {
    __disable_irq();
  }
  g_port_exit_critical_count++;
}
void chip_critical_exit(void) {
  g_port_exit_critical_count--;
  if (g_port_exit_critical_count == 0) {
    __enable_irq();
  }
}