src/main/drivers/rcc.h

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #pragma once
  22
  23 #include "rcc_types.h"
  24
  25 enum rcc_reg {
  26     RCC_EMPTY = 0,   // make sure that default value (0) does not enable anything
  27 #ifdef STM32H7
  28     RCC_AHB,
  29     RCC_APB2,
  30     RCC_APB1L,
  31     RCC_APB1H,
  32     RCC_AHB1,
  33     RCC_AHB2,
  34     RCC_AHB3,
  35     RCC_APB3,
  36     RCC_AHB4,
  37     RCC_APB4,
  38 #elif defined(STM32F7)
  39     RCC_AHB2,
  40     RCC_APB2,
  41     RCC_APB1,
  42     RCC_AHB1,
  43 #elif defined(STM32G4)
  44     RCC_AHB2,
  45     RCC_APB2,
  46     RCC_APB11,
  47     RCC_APB12,
  48     RCC_AHB1,
  49 #elif defined(AT32F4)
  50     RCC_AHB1,
  51     RCC_AHB2,
  52     RCC_AHB3,
  53     RCC_APB2,
  54     RCC_APB1,
  55 #elif defined(APM32F4)
  56     RCC_AHB1,
  57     RCC_AHB2,
  58     RCC_AHB3,
  59     RCC_APB2,
  60     RCC_APB1,
  61 #else
  62     RCC_AHB,
  63     RCC_APB2,
  64     RCC_APB1,
  65     RCC_AHB1,
  66 #endif
  67 };
  68
  69 #define RCC_ENCODE(reg, mask) (((reg) << 5) | LOG2_32BIT(mask))
  70
  71 #if defined(STM32F4)
  72 #define RCC_AHB(periph) RCC_ENCODE(RCC_AHB, RCC_AHBENR_ ## periph ## EN)
  73 #define RCC_APB2(periph) RCC_ENCODE(RCC_APB2, RCC_APB2ENR_ ## periph ## EN)
  74 #define RCC_APB1(periph) RCC_ENCODE(RCC_APB1, RCC_APB1ENR_ ## periph ## EN)
  75 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1, RCC_AHB1ENR_ ## periph ## EN)
  76 #elif defined(STM32H7)
  77 #define RCC_AHB(periph) RCC_ENCODE(RCC_AHB, RCC_AHBENR_ ## periph ## EN)
  78 #define RCC_APB2(periph) RCC_ENCODE(RCC_APB2, RCC_APB2ENR_ ## periph ## EN)
  79 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1, RCC_AHB1ENR_ ## periph ## EN)
  80 #define RCC_AHB2(periph) RCC_ENCODE(RCC_AHB2, RCC_AHB2ENR_ ## periph ## EN)
  81 #define RCC_AHB3(periph) RCC_ENCODE(RCC_AHB3, RCC_AHB3ENR_ ## periph ## EN)
  82 #define RCC_APB3(periph) RCC_ENCODE(RCC_APB3, RCC_APB3ENR_ ## periph ## EN)
  83 #define RCC_AHB4(periph) RCC_ENCODE(RCC_AHB4, RCC_AHB4ENR_ ## periph ## EN)
  84 #define RCC_APB4(periph) RCC_ENCODE(RCC_APB4, RCC_APB4ENR_ ## periph ## EN)
  85 #define RCC_APB1L(periph) RCC_ENCODE(RCC_APB1L, RCC_APB1LENR_ ## periph ## EN)
  86 #define RCC_APB1H(periph) RCC_ENCODE(RCC_APB1H, RCC_APB1HENR_ ## periph ## EN)
  87 #elif defined(STM32G4)
  88 #define RCC_AHB(periph) RCC_ENCODE(RCC_AHB, RCC_AHBENR_ ## periph ## EN)
  89 #define RCC_APB2(periph) RCC_ENCODE(RCC_APB2, RCC_APB2ENR_ ## periph ## EN)
  90 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1, RCC_AHB1ENR_ ## periph ## EN)
  91 #define RCC_APB11(periph) RCC_ENCODE(RCC_APB11, RCC_APB1ENR1_ ## periph ## EN)
  92 #define RCC_APB12(periph) RCC_ENCODE(RCC_APB12, RCC_APB1ENR2_ ## periph ## EN)
  93 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1, RCC_AHB1ENR_ ## periph ## EN)
  94 #define RCC_AHB2(periph) RCC_ENCODE(RCC_AHB2, RCC_AHB2ENR_ ## periph ## EN)
  95 #elif defined(STM32F7)
  96 #define RCC_AHB(periph) RCC_ENCODE(RCC_AHB, RCC_AHBENR_ ## periph ## EN)
  97 #define RCC_APB2(periph) RCC_ENCODE(RCC_APB2, RCC_APB2ENR_ ## periph ## EN)
  98 #define RCC_APB1(periph) RCC_ENCODE(RCC_APB1, RCC_APB1ENR_ ## periph ## EN)
  99 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1, RCC_AHB1ENR_ ## periph ## EN)
 100 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1, RCC_AHB1ENR_ ## periph ## EN)
 101 #define RCC_AHB2(periph) RCC_ENCODE(RCC_AHB2, RCC_AHB2ENR_ ## periph ## EN)
 102 #define RCC_APB1(periph) RCC_ENCODE(RCC_APB1, RCC_APB1ENR_ ## periph ## EN)
 103 #define RCC_APB2(periph) RCC_ENCODE(RCC_APB2, RCC_APB2ENR_ ## periph ## EN)
 104 #elif defined(AT32F4)
 105 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1,   CRM_AHB1_ ## periph ## _PER_MASK)
 106 #define RCC_AHB2(periph) RCC_ENCODE(RCC_AHB2,   CRM_AHB2_ ## periph ## _PER_MASK)
 107 #define RCC_AHB3(periph) RCC_ENCODE(RCC_AHB3,   CRM_AHB3_ ## periph ## _PER_MASK)
 108 #define RCC_APB1(periph) RCC_ENCODE(RCC_APB1,   CRM_APB1_ ## periph ## _PER_MASK)
 109 #define RCC_APB2(periph) RCC_ENCODE(RCC_APB2,   CRM_APB2_ ## periph ## _PER_MASK)
 110 #elif defined(APM32F4)
 111 #define RCC_AHB(periph) RCC_ENCODE(RCC_AHB, RCM_AHBCLKEN_ ## periph ## EN)
 112 #define RCC_APB2(periph) RCC_ENCODE(RCC_APB2, RCM_APB2CLKEN_ ## periph ## EN)
 113 #define RCC_APB1(periph) RCC_ENCODE(RCC_APB1, RCM_APB1CLKEN_ ## periph ## EN)
 114 #define RCC_AHB1(periph) RCC_ENCODE(RCC_AHB1, RCM_AHB1CLKEN_ ## periph ## EN)
 115 #endif
 116
 117 void RCC_ClockCmd(rccPeriphTag_t periphTag, FunctionalState NewState);
 118 void RCC_ResetCmd(rccPeriphTag_t periphTag, FunctionalState NewState);