src/main/drivers/rcc.h

   1 #pragma once
   2
   3 #include "rcc_types.h"
   4
   5 enum rcc_reg {
   6     RCC_EMPTY = 0,   // make sure that default value (0) does not enable anything
   7
   8     RCC_AHB,
   9     RCC_APB2,
  10     RCC_APB1,
  11     RCC_AHB1,
  12     RCC_AHB2,
  13     RCC_APB1L,
  14     RCC_APB1H,
  15     RCC_AHB3,
  16     RCC_APB3,
  17     RCC_AHB4,
  18     RCC_APB4
  19 };
  20
  21 #define RCC_ENCODE(reg, mask) (((reg) << 5) | LOG2_32BIT(mask))
  22 #define RCC_AHB(periph) RCC_ENCODE(RCC_AHB, RCC_AHBENR_ ## periph ## EN)
  23 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1, RCC_AHB1ENR_ ## periph ## EN)
  24 #define RCC_APB1(periph) RCC_ENCODE(RCC_APB1, RCC_APB1ENR_ ## periph ## EN)
  25 #define RCC_APB2(periph) RCC_ENCODE(RCC_APB2, RCC_APB2ENR_ ## periph ## EN)
  26
  27 #ifdef STM32H7
  28 #define RCC_AHB2(periph) RCC_ENCODE(RCC_AHB2, RCC_AHB2ENR_ ## periph ## EN)
  29 #define RCC_AHB3(periph) RCC_ENCODE(RCC_AHB3, RCC_AHB3ENR_ ## periph ## EN)
  30 #define RCC_AHB4(periph) RCC_ENCODE(RCC_AHB4, RCC_AHB4ENR_ ## periph ## EN)
  31 #define RCC_APB1L(periph) RCC_ENCODE(RCC_APB1L, RCC_APB1LENR_ ## periph ## EN)
  32 #define RCC_APB1H(periph) RCC_ENCODE(RCC_APB1H, RCC_APB1HENR_ ## periph ## EN)
  33 #define RCC_APB3(periph) RCC_ENCODE(RCC_APB3, RCC_APB3ENR_ ## periph ## EN)
  34 #define RCC_APB4(periph) RCC_ENCODE(RCC_APB4, RCC_APB4ENR_ ## periph ## EN)
  35 #endif
  36
  37 void RCC_ClockCmd(rccPeriphTag_t periphTag, FunctionalState NewState);
  38 void RCC_ResetCmd(rccPeriphTag_t periphTag, FunctionalState NewState);
  39