marlinfw/buildroot/share/PlatformIO/variants/MARLIN_H723VG/variant_MARLIN_STM32H723VG.cpp

/*
 *******************************************************************************
 * Copyright (c) 2020-2021, STMicroelectronics
 * All rights reserved.
 *
 * This software component is licensed by ST under BSD 3-Clause license,
 * the "License"; You may not use this file except in compliance with the
 * License. You may obtain a copy of the License at:
 *                        opensource.org/licenses/BSD-3-Clause
 *
 *******************************************************************************
 */
#ifdef STM32H723xx
#include "pins_arduino.h"

// Digital PinName array
const PinName digitalPin[] = {
  PA_0,   // D0/A0
  PA_1,   // D1/A1
  PA_2,   // D2/A2
  PA_3,   // D3/A3
  PA_4,   // D4/A4
  PA_5,   // D5/A5
  PA_6,   // D6/A6
  PA_7,   // D7/A7
  PA_8,   // D8
  PA_9,   // D9
  PA_10,  // D10
  PA_11,  // D11
  PA_12,  // D12
  PA_13,  // D13
  PA_14,  // D14
  PA_15,  // D15
  PB_0,   // D16/A8
  PB_1,   // D17/A9
  PB_2,   // D18
  PB_3,   // D19
  PB_4,   // D20
  PB_5,   // D21
  PB_6,   // D22
  PB_7,   // D23
  PB_8,   // D24
  PB_9,   // D25
  PB_10,  // D26
  PB_11,  // D27
  PB_12,  // D28
  PB_13,  // D29
  PB_14,  // D30
  PB_15,  // D31
  PC_0,   // D32/A10
  PC_1,   // D33/A11
  PC_4,   // D34/A12
  PC_5,   // D35/A13
  PC_6,   // D36
  PC_7,   // D37
  PC_8,   // D38
  PC_9,   // D39
  PC_10,  // D40
  PC_11,  // D41
  PC_12,  // D42
  PC_13,  // D43
  PC_14,  // D44
  PC_15,  // D45
  PD_0,   // D46
  PD_1,   // D47
  PD_2,   // D48
  PD_3,   // D49
  PD_4,   // D50
  PD_5,   // D51
  PD_6,   // D52
  PD_7,   // D53
  PD_8,   // D54
  PD_9,   // D55
  PD_10,  // D56
  PD_11,  // D57
  PD_12,  // D58
  PD_13,  // D59
  PD_14,  // D60
  PD_15,  // D61
  PE_0,   // D62
  PE_1,   // D63
  PE_2,   // D64
  PE_3,   // D65
  PE_4,   // D66
  PE_5,   // D67
  PE_6,   // D68
  PE_7,   // D69
  PE_8,   // D70
  PE_9,   // D71
  PE_10,  // D72
  PE_11,  // D73
  PE_12,  // D74
  PE_13,  // D75
  PE_14,  // D76
  PE_15,  // D77
  PH_0,   // D78
  PH_1,   // D79
  PC_2_C, // D80/A14
  PC_3_C  // D81/A15
};

// 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, PC4
  35, // A13, PC5
  80, // A14, PC2_C
  81  // A15, PC3_C
};

void MPU_Config(void)
{
  MPU_Region_InitTypeDef MPU_InitStruct = {0};

  /* Disables the MPU */
  HAL_MPU_Disable();

  /** Initializes and configures the Region and the memory to be protected
  */
  MPU_InitStruct.Enable = MPU_REGION_ENABLE;
  MPU_InitStruct.Number = MPU_REGION_NUMBER0;
  MPU_InitStruct.BaseAddress = 0x0;
  MPU_InitStruct.Size = MPU_REGION_SIZE_4GB;
  MPU_InitStruct.SubRegionDisable = 0x87;
  MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
  MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS;
  MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;
  MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE;
  MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
  MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;

  HAL_MPU_ConfigRegion(&MPU_InitStruct);
  /* Enables the MPU */
  HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);

}

/*
 * @brief  System Clock Configuration
 * @param  None
 * @retval None
 */
WEAK void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {};

  MPU_Config();

  /** Supply configuration update enable
  */
  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
  /** Configure the main internal regulator output voltage
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);

  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSI48State = RCC_HSI48_ON; // 48Mhz for USB
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 5;  // 25Mhz / 5 = 5Mhz
  RCC_OscInitStruct.PLL.PLLN = 110; // 25Mhz / 5 * 110 = 550Mhz
  RCC_OscInitStruct.PLL.PLLP = 1;  // 550Mhz / 1 = 550Mhz
  RCC_OscInitStruct.PLL.PLLQ = 10; // 550Mhz / 10 = 55Mhz
  RCC_OscInitStruct.PLL.PLLR = 10; // unused
  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
  RCC_OscInitStruct.PLL.PLLFRACN = 0;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                              |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
    Error_Handler();
  }

  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB
                                             | RCC_PERIPHCLK_SDMMC | RCC_PERIPHCLK_ADC
                                             | RCC_PERIPHCLK_LPUART1 | RCC_PERIPHCLK_USART16
                                             | RCC_PERIPHCLK_USART234578 | RCC_PERIPHCLK_I2C123
                                             | RCC_PERIPHCLK_I2C4 | RCC_PERIPHCLK_SPI123
                                             | RCC_PERIPHCLK_SPI45 | RCC_PERIPHCLK_SPI6;

  /* HSI48 used for USB 48 Mhz */
  /* PLL1 qclk also used for FMC, SDMMC, RNG, SAI */
  /* PLL2 pclk is needed for adc max 80 Mhz (p,q,r same) */
  /* PLL2 pclk also used for LP timers 2,3,4,5, SPI 1,2,3 */
  /* PLL2 qclk is needed for uart, can, spi4,5,6 80 Mhz */
  /* PLL3 r clk is needed for i2c 80 Mhz (p,q,r same) */
  PeriphClkInitStruct.PLL2.PLL2M = 15; // M DIV 15 vco 25 / 15 ~ 1.667 Mhz
  PeriphClkInitStruct.PLL2.PLL2N = 96; // N MUL 96
  PeriphClkInitStruct.PLL2.PLL2P = 2;  // P div 2
  PeriphClkInitStruct.PLL2.PLL2Q = 2;  // Q div 2
  PeriphClkInitStruct.PLL2.PLL2R = 2;  // R div 2
  // RCC_PLL1VCIRANGE_0  Clock range frequency between 1 and 2 MHz
  PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2VCIRANGE_0;
  PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2VCOMEDIUM;
  PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
  PeriphClkInitStruct.PLL3.PLL3M = 15; // M DIV 15 vco 25 / 15 ~ 1.667 Mhz
  PeriphClkInitStruct.PLL3.PLL3N = 96; // N MUL 96
  PeriphClkInitStruct.PLL3.PLL3P = 2;  // P div 2
  PeriphClkInitStruct.PLL3.PLL3Q = 2;  // Q div 2
  PeriphClkInitStruct.PLL3.PLL3R = 2;  // R div 2
  // RCC_PLL1VCIRANGE_0  Clock range frequency between 1 and 2 MHz
  PeriphClkInitStruct.PLL3.PLL3RGE = RCC_PLL3VCIRANGE_0;
  PeriphClkInitStruct.PLL3.PLL3VCOSEL = RCC_PLL3VCOMEDIUM;
  PeriphClkInitStruct.PLL3.PLL3FRACN = 0;
  // ADC from PLL2 pclk
  PeriphClkInitStruct.AdcClockSelection = RCC_ADCCLKSOURCE_PLL2;
  // USB from HSI48
  PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
  // SDMMC from PLL1 qclk
  PeriphClkInitStruct.SdmmcClockSelection = 0;
  //PeriphClkInitStruct.SdmmcClockSelection = RCC_SDMMCCLKSOURCE_PLL;
  // LPUART from PLL2 qclk
  PeriphClkInitStruct.Lpuart1ClockSelection = 0;
  //PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_PLL2;
  // USART from PLL2 qclk
  PeriphClkInitStruct.Usart16ClockSelection = RCC_USART16CLKSOURCE_PLL2;
  // USART from PLL2 qclk
  PeriphClkInitStruct.Usart234578ClockSelection = 0;
  //PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_PLL2;
  // I2C123 from PLL3 rclk
  PeriphClkInitStruct.I2c123ClockSelection = RCC_I2C123CLKSOURCE_PLL3;
  // I2C4 from PLL3 rclk
  PeriphClkInitStruct.I2c4ClockSelection = 0;
  //PeriphClkInitStruct.I2c4ClockSelection = RCC_I2C4CLKSOURCE_PLL3;
  // SPI123 from PLL2 pclk
  PeriphClkInitStruct.Spi123ClockSelection = RCC_SPI123CLKSOURCE_PLL2;
  // SPI45 from PLL2 qclk
  PeriphClkInitStruct.Spi45ClockSelection = 0;
  //PeriphClkInitStruct.Spi45ClockSelection = RCC_SPI45CLKSOURCE_PLL2;
  // SPI6 from PLL2 qclk
  PeriphClkInitStruct.Spi6ClockSelection = 0;
  //PeriphClkInitStruct.Spi6ClockSelection = RCC_SPI6CLKSOURCE_PLL2;

  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
    Error_Handler();
  }
}

#endif /* ARDUINO_GENERIC_* */