src/main/drivers/system.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 <stdint.h>
  24 #include <stdbool.h>
  25
  26 void systemInit(void);
  27
  28 typedef enum {
  29     FAILURE_DEVELOPER = 0,
  30     FAILURE_MISSING_ACC,
  31     FAILURE_ACC_INIT,
  32     FAILURE_ACC_INCOMPATIBLE,
  33     FAILURE_INVALID_EEPROM_CONTENTS,
  34     FAILURE_CONFIG_STORE_FAILURE,
  35     FAILURE_GYRO_INIT_FAILED,
  36     FAILURE_FLASH_READ_FAILED,
  37     FAILURE_FLASH_WRITE_FAILED,
  38     FAILURE_FLASH_INIT_FAILED, // RESERVED
  39     FAILURE_EXTERNAL_FLASH_READ_FAILED,  // RESERVED
  40     FAILURE_EXTERNAL_FLASH_WRITE_FAILED, // RESERVED
  41     FAILURE_EXTERNAL_FLASH_INIT_FAILED,
  42     FAILURE_SDCARD_READ_FAILED,
  43     FAILURE_SDCARD_WRITE_FAILED,
  44     FAILURE_SDCARD_INITIALISATION_FAILED,
  45 } failureMode_e;
  46
  47 #define WARNING_FLASH_DURATION_MS 50
  48 #define WARNING_FLASH_COUNT 5
  49 #define WARNING_PAUSE_DURATION_MS 500
  50 #define WARNING_CODE_DURATION_LONG_MS 250
  51 #define WARNING_CODE_DURATION_SHORT_MS 50
  52
  53 typedef enum {
  54     BOOTLOADER_REQUEST_ROM,
  55     BOOTLOADER_REQUEST_FLASH,
  56 } bootloaderRequestType_e;
  57
  58 // failure
  59 void indicateFailure(failureMode_e mode, int repeatCount);
  60 void failureMode(failureMode_e mode);
  61
  62 // bootloader/IAP
  63 void systemReset(void);
  64 void systemResetToBootloader(bootloaderRequestType_e requestType);
  65 bool isMPUSoftReset(void);
  66 void cycleCounterInit(void);
  67 uint32_t clockCyclesToMicros(uint32_t clockCycles);
  68 uint32_t getCycleCounter(void);
  69 #if defined(STM32H7) || defined(STM32G4)
  70 void systemCheckResetReason(void);
  71 #endif
  72
  73 void initialiseMemorySections(void);
  74
  75 void enableGPIOPowerUsageAndNoiseReductions(void);
  76 // current crystal frequency - 8 or 12MHz
  77
  78 extern uint32_t hse_value;
  79 extern uint32_t cachedRccCsrValue;
  80
  81 typedef void extiCallbackHandlerFunc(void);
  82
  83 void registerExtiCallbackHandler(IRQn_Type irqn, extiCallbackHandlerFunc *fn);void unregisterExtiCallbackHandler(IRQn_Type irqn, extiCallbackHandlerFunc *fn);
  84
  85 void unusedPinsInit(void);