marlinfw/buildroot/share/PlatformIO/variants/MARLIN_TH3D_EZBOARD_V2/variant.cpp

/*
  Copyright (c) 2011 Arduino.  All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include "pins_arduino.h"

#ifdef __cplusplus
extern "C" {
#endif

// Digital PinName array
const PinName digitalPin[] = {
  PA_0,  // Digital pin 0
  PA_1,  // Digital pin 1
  PA_2,  // Digital pin 2
  PA_3,  // Digital pin 3
  PA_4,  // Digital pin 4
  PA_5,  // Digital pin 5
  PA_6,  // Digital pin 6
  PA_7,  // Digital pin 7
  PA_8,  // Digital pin 8
  PA_9,  // Digital pin 9
  PA_10, // Digital pin 10
  PA_11, // Digital pin 11
  PA_12, // Digital pin 12
  PA_13, // Digital pin 13
  PA_14, // Digital pin 14
  PA_15, // Digital pin 15

  PB_0,  // Digital pin 16
  PB_1,  // Digital pin 17
  PB_2,  // Digital pin 18
  PB_3,  // Digital pin 19
  PB_4,  // Digital pin 20
  PB_5,  // Digital pin 21
  PB_6,  // Digital pin 22
  PB_7,  // Digital pin 23
  PB_8,  // Digital pin 24
  PB_9,  // Digital pin 25
  PB_10, // Digital pin 26
  PB_11, // Digital pin 27
  PB_12, // Digital pin 28
  PB_13, // Digital pin 29
  PB_14, // Digital pin 30
  PB_15, // Digital pin 31

  PC_0,  // Digital pin 32
  PC_1,  // Digital pin 33
  PC_2,  // Digital pin 34
  PC_3,  // Digital pin 35
  PC_4,  // Digital pin 36
  PC_5,  // Digital pin 37
  PC_6,  // Digital pin 38
  PC_7,  // Digital pin 39
  PC_8,  // Digital pin 40
  PC_9,  // Digital pin 41
  PC_10, // Digital pin 42
  PC_11, // Digital pin 43
  PC_12, // Digital pin 44
  PC_13, // Digital pin 45
  PC_14, // Digital pin 46
  PC_15, // Digital pin 47

  PD_2,  // Digital pin 48

  PH_0,  // Digital pin 49, used by the external oscillator
  PH_1   // Digital pin 40, used by the external oscillator
};

// Analog (Ax) pin number array
const uint32_t analogInputPin[] = {
  0,  // A0,  PA0
  1,  // A1,  PA1
  2,  // A2,  PA2
  3,  // A3,  PA3
  4,  // A4,  PA4
  5,  // A5,  PA5
  6,  // A6,  PA6
  7,  // A7,  PA7
  16, // A8,  PB0
  17, // A9,  PB1
  32, // A10, PC0
  33, // A11, PC1
  34, // A12, PC2
  35, // A13, PC3
  36, // A14, PC4
  37  // A15, PC5
};

#ifdef __cplusplus
}
#endif

// ----------------------------------------------------------------------------

#ifdef __cplusplus
extern "C" {
#endif

/*
 * @brief  Configures the System clock source, PLL Multiplier and Divider factors,
 *               AHB/APBx prescalers and Flash settings
 * @note   This function should be called only once the RCC clock configuration
 *         is reset to the default reset state (done in SystemInit() function).
 * @param  None
 * @retval None
 */

/******************************************************************************/
/*            PLL (clocked by HSE) used as System clock source                */
/******************************************************************************/

WEAK void SetSysClock_PLL_HSE(void) {

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  /**Configure the main internal regulator output voltage
  */
  __HAL_RCC_PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  /**Initializes the CPU, AHB and APB busses clocks
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState       = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState   = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource  = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM       = (HSE_VALUE / 1000000);
  RCC_OscInitStruct.PLL.PLLN       = 336;
  RCC_OscInitStruct.PLL.PLLP       = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ       = 7;

  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    _Error_Handler(__FILE__, __LINE__);

  /**Initializes the CPU, AHB and APB busses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
                                | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
    _Error_Handler(__FILE__, __LINE__);
}

WEAK void SystemClock_Config(void) {
  SetSysClock_PLL_HSE();

  /* Ensure CCM RAM clock is enabled */
  __HAL_RCC_CCMDATARAMEN_CLK_ENABLE();

  /* Output clock on MCO2 pin(PC9) for debugging purpose */
  //HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_4);
}

#ifdef __cplusplus
}
#endif