src/main/drivers/nvic.h

   1
   2 #pragma once
   3
   4
   5 // NVIC_SetPriority expects priority encoded according to priority grouping
   6 // We allocate zero bits for sub-priority, therefore we have 16 priorities to use on STM32
   7
   8 // can't use 0
   9 #define NVIC_PRIO_MAX                       1
  10 #define NVIC_PRIO_I2C_ER                    2
  11 #define NVIC_PRIO_I2C_EV                    2
  12 #define NVIC_PRIO_TIMER                     3
  13 #define NVIC_PRIO_TIMER_DMA                 3
  14 #define NVIC_PRIO_SDIO                      3
  15 #define NVIC_PRIO_USB                       5
  16 #define NVIC_PRIO_SERIALUART                5
  17 #define NVIC_PRIO_VCP                       7
  18
  19
  20 #if defined(AT32F43x)
  21     #define NVIC_PRIORITY_GROUPING NVIC_PRIORITY_GROUP_4
  22 #else //STM32
  23     // Use all available bits for priority and zero bits to sub-priority
  24     #ifdef USE_HAL_DRIVER
  25         #define NVIC_PRIORITY_GROUPING NVIC_PRIORITYGROUP_4
  26     #else
  27         #define NVIC_PRIORITY_GROUPING NVIC_PriorityGroup_4
  28     #endif
  29 #endif