Mikis Wöhrmann
Just a test...
Revision 0:6b1a8c783fef, committed 2018-07-23
- Comitter:
- Airdevelopments
- Date:
- Mon Jul 23 23:09:43 2018 +0000
- Commit message:
- Just a test, no real use...
Changed in this revision
diff -r 000000000000 -r 6b1a8c783fef main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Jul 23 23:09:43 2018 +0000
@@ -0,0 +1,331 @@
+
+/**
+ ******************************************************************************
+ * @file : main.c
+ * @brief : Main program body
+ ******************************************************************************
+ ** This notice applies to any and all portions of this file
+ * that are not between comment pairs USER CODE BEGIN and
+ * USER CODE END. Other portions of this file, whether
+ * inserted by the user or by software development tools
+ * are owned by their respective copyright owners.
+ *
+ * COPYRIGHT(c) 2018 STMicroelectronics
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+/* Includes ------------------------------------------------------------------*/
+#include "mbed.h"
+#include "stm32f4xx_hal.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* Private variables ---------------------------------------------------------*/
+TIM_HandleTypeDef htim3;
+
+UART_HandleTypeDef huart2;
+
+/* USER CODE BEGIN PV */
+/* Private variables ---------------------------------------------------------*/
+
+/* USER CODE END PV */
+
+/* Private function prototypes -----------------------------------------------*/
+void SystemClock_Config(void);
+static void MX_GPIO_Init(void);
+static void MX_USART2_UART_Init(void);
+static void MX_TIM3_Init(void);
+void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
+
+
+/* USER CODE BEGIN PFP */
+/* Private function prototypes -----------------------------------------------*/
+
+/* USER CODE END PFP */
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/**
+ * @brief The application entry point.
+ *
+ * @retval None
+ */
+int main(void)
+{
+ /* USER CODE BEGIN 1 */
+
+ /* USER CODE END 1 */
+
+ /* MCU Configuration----------------------------------------------------------*/
+
+ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
+ HAL_Init();
+
+ /* USER CODE BEGIN Init */
+
+ /* USER CODE END Init */
+
+ /* Configure the system clock */
+ SystemClock_Config();
+
+ /* USER CODE BEGIN SysInit */
+
+ /* USER CODE END SysInit */
+
+ /* Initialize all configured peripherals */
+ MX_GPIO_Init();
+ MX_USART2_UART_Init();
+ MX_TIM3_Init();
+ /* USER CODE BEGIN 2 */
+
+ /* USER CODE END 2 */
+
+ /* Infinite loop */
+ /* USER CODE BEGIN WHILE */
+ while (1)
+ {
+
+ /* USER CODE END WHILE */
+
+ /* USER CODE BEGIN 3 */
+
+ }
+ /* USER CODE END 3 */
+
+}
+
+/**
+ * @brief System Clock Configuration
+ * @retval None
+ */
+void SystemClock_Config(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_SCALE2);
+
+ /**Initializes the CPU, AHB and APB busses clocks
+ */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSICalibrationValue = 16;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+ RCC_OscInitStruct.PLL.PLLM = 16;
+ RCC_OscInitStruct.PLL.PLLN = 336;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
+ 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_DIV2;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
+ {
+ _Error_Handler(__FILE__, __LINE__);
+ }
+
+ /**Configure the Systick interrupt time
+ */
+ HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
+
+ /**Configure the Systick
+ */
+ HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
+
+ /* SysTick_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+}
+
+/* TIM3 init function */
+static void MX_TIM3_Init(void)
+{
+
+ TIM_ClockConfigTypeDef sClockSourceConfig;
+ TIM_MasterConfigTypeDef sMasterConfig;
+ TIM_OC_InitTypeDef sConfigOC;
+
+ htim3.Instance = TIM3;
+ htim3.Init.Prescaler = 0;
+ htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
+ htim3.Init.Period = 0;
+ htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+ if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
+ {
+ _Error_Handler(__FILE__, __LINE__);
+ }
+
+ sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+ if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
+ {
+ _Error_Handler(__FILE__, __LINE__);
+ }
+
+ if (HAL_TIM_PWM_Init(&htim3) != HAL_OK)
+ {
+ _Error_Handler(__FILE__, __LINE__);
+ }
+
+ sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+ sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+ if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
+ {
+ _Error_Handler(__FILE__, __LINE__);
+ }
+
+ sConfigOC.OCMode = TIM_OCMODE_PWM1;
+ sConfigOC.Pulse = 0;
+ sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
+ sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
+ if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
+ {
+ _Error_Handler(__FILE__, __LINE__);
+ }
+
+ HAL_TIM_MspPostInit(&htim3);
+
+}
+
+/* USART2 init function */
+static void MX_USART2_UART_Init(void)
+{
+
+ huart2.Instance = USART2;
+ huart2.Init.BaudRate = 115200;
+ huart2.Init.WordLength = UART_WORDLENGTH_8B;
+ huart2.Init.StopBits = UART_STOPBITS_1;
+ huart2.Init.Parity = UART_PARITY_NONE;
+ huart2.Init.Mode = UART_MODE_TX_RX;
+ huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+ huart2.Init.OverSampling = UART_OVERSAMPLING_16;
+ if (HAL_UART_Init(&huart2) != HAL_OK)
+ {
+ _Error_Handler(__FILE__, __LINE__);
+ }
+
+}
+
+/** Configure pins as
+ * Analog
+ * Input
+ * Output
+ * EVENT_OUT
+ * EXTI
+*/
+static void MX_GPIO_Init(void)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ /* GPIO Ports Clock Enable */
+ __HAL_RCC_GPIOC_CLK_ENABLE();
+ __HAL_RCC_GPIOH_CLK_ENABLE();
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_GPIOB_CLK_ENABLE();
+
+ /*Configure GPIO pin Output Level */
+ HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET);
+
+ /*Configure GPIO pin : B1_Pin */
+ GPIO_InitStruct.Pin = B1_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
+
+ /*Configure GPIO pin : LD2_Pin */
+ GPIO_InitStruct.Pin = LD2_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ HAL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);
+
+}
+
+/* USER CODE BEGIN 4 */
+
+/* USER CODE END 4 */
+
+/**
+ * @brief This function is executed in case of error occurrence.
+ * @param file: The file name as string.
+ * @param line: The line in file as a number.
+ * @retval None
+ */
+void _Error_Handler(char *file, int line)
+{
+ /* USER CODE BEGIN Error_Handler_Debug */
+ /* User can add his own implementation to report the HAL error return state */
+ while(1)
+ {
+ }
+ /* USER CODE END Error_Handler_Debug */
+}
+
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief Reports the name of the source file and the source line number
+ * where the assert_param error has occurred.
+ * @param file: pointer to the source file name
+ * @param line: assert_param error line source number
+ * @retval None
+ */
+void assert_failed(uint8_t* file, uint32_t line)
+{
+ /* USER CODE BEGIN 6 */
+ /* User can add his own implementation to report the file name and line number,
+ tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+ /* USER CODE END 6 */
+}
+#endif /* USE_FULL_ASSERT */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff -r 000000000000 -r 6b1a8c783fef mbed-os.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Mon Jul 23 23:09:43 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/armmbed/mbed-os/#50bd61a4a72332baa6b1bac6caccb44dc5423309
diff -r 000000000000 -r 6b1a8c783fef stm32f4xx_hal_msp.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/stm32f4xx_hal_msp.c Mon Jul 23 23:09:43 2018 +0000
@@ -0,0 +1,209 @@
+/**
+ ******************************************************************************
+ * File Name : stm32f4xx_hal_msp.c
+ * Description : This file provides code for the MSP Initialization
+ * and de-Initialization codes.
+ ******************************************************************************
+ ** This notice applies to any and all portions of this file
+ * that are not between comment pairs USER CODE BEGIN and
+ * USER CODE END. Other portions of this file, whether
+ * inserted by the user or by software development tools
+ * are owned by their respective copyright owners.
+ *
+ * COPYRIGHT(c) 2018 STMicroelectronics
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal.h"
+
+extern void _Error_Handler(char *, int);
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+/**
+ * Initializes the Global MSP.
+ */
+void HAL_MspInit(void)
+{
+ /* USER CODE BEGIN MspInit 0 */
+
+ /* USER CODE END MspInit 0 */
+
+ __HAL_RCC_SYSCFG_CLK_ENABLE();
+ __HAL_RCC_PWR_CLK_ENABLE();
+
+ HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
+
+ /* System interrupt init*/
+ /* MemoryManagement_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(MemoryManagement_IRQn, 0, 0);
+ /* BusFault_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(BusFault_IRQn, 0, 0);
+ /* UsageFault_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(UsageFault_IRQn, 0, 0);
+ /* SVCall_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(SVCall_IRQn, 0, 0);
+ /* DebugMonitor_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(DebugMonitor_IRQn, 0, 0);
+ /* PendSV_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(PendSV_IRQn, 0, 0);
+ /* SysTick_IRQn interrupt configuration */
+ HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+
+ /* USER CODE BEGIN MspInit 1 */
+
+ /* USER CODE END MspInit 1 */
+}
+
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
+{
+
+ if(htim_base->Instance==TIM3)
+ {
+ /* USER CODE BEGIN TIM3_MspInit 0 */
+
+ /* USER CODE END TIM3_MspInit 0 */
+ /* Peripheral clock enable */
+ __HAL_RCC_TIM3_CLK_ENABLE();
+ /* USER CODE BEGIN TIM3_MspInit 1 */
+
+ /* USER CODE END TIM3_MspInit 1 */
+ }
+
+}
+
+void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct;
+ if(htim->Instance==TIM3)
+ {
+ /* USER CODE BEGIN TIM3_MspPostInit 0 */
+
+ /* USER CODE END TIM3_MspPostInit 0 */
+
+ /**TIM3 GPIO Configuration
+ PB1 ------> TIM3_CH4
+ */
+ GPIO_InitStruct.Pin = GPIO_PIN_1;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Alternate = GPIO_AF2_TIM3;
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+ /* USER CODE BEGIN TIM3_MspPostInit 1 */
+
+ /* USER CODE END TIM3_MspPostInit 1 */
+ }
+
+}
+
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
+{
+
+ if(htim_base->Instance==TIM3)
+ {
+ /* USER CODE BEGIN TIM3_MspDeInit 0 */
+
+ /* USER CODE END TIM3_MspDeInit 0 */
+ /* Peripheral clock disable */
+ __HAL_RCC_TIM3_CLK_DISABLE();
+ /* USER CODE BEGIN TIM3_MspDeInit 1 */
+
+ /* USER CODE END TIM3_MspDeInit 1 */
+ }
+
+}
+
+void HAL_UART_MspInit(UART_HandleTypeDef* huart)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct;
+ if(huart->Instance==USART2)
+ {
+ /* USER CODE BEGIN USART2_MspInit 0 */
+
+ /* USER CODE END USART2_MspInit 0 */
+ /* Peripheral clock enable */
+ __HAL_RCC_USART2_CLK_ENABLE();
+
+ /**USART2 GPIO Configuration
+ PA2 ------> USART2_TX
+ PA3 ------> USART2_RX
+ */
+ GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /* USER CODE BEGIN USART2_MspInit 1 */
+
+ /* USER CODE END USART2_MspInit 1 */
+ }
+
+}
+
+void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
+{
+
+ if(huart->Instance==USART2)
+ {
+ /* USER CODE BEGIN USART2_MspDeInit 0 */
+
+ /* USER CODE END USART2_MspDeInit 0 */
+ /* Peripheral clock disable */
+ __HAL_RCC_USART2_CLK_DISABLE();
+
+ /**USART2 GPIO Configuration
+ PA2 ------> USART2_TX
+ PA3 ------> USART2_RX
+ */
+ HAL_GPIO_DeInit(GPIOA, USART_TX_Pin|USART_RX_Pin);
+
+ /* USER CODE BEGIN USART2_MspDeInit 1 */
+
+ /* USER CODE END USART2_MspDeInit 1 */
+ }
+
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff -r 000000000000 -r 6b1a8c783fef stm32f4xx_it.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/stm32f4xx_it.c Mon Jul 23 23:09:43 2018 +0000
@@ -0,0 +1,74 @@
+/**
+ ******************************************************************************
+ * @file stm32f4xx_it.c
+ * @brief Interrupt Service Routines.
+ ******************************************************************************
+ *
+ * COPYRIGHT(c) 2018 STMicroelectronics
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal.h"
+#include "stm32f4xx.h"
+#include "stm32f4xx_it.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+/* External variables --------------------------------------------------------*/
+
+/******************************************************************************/
+/* Cortex-M4 Processor Interruption and Exception Handlers */
+/******************************************************************************/
+
+/**
+* @brief This function handles System tick timer.
+*/
+void SysTick_Handler(void)
+{
+ /* USER CODE BEGIN SysTick_IRQn 0 */
+
+ /* USER CODE END SysTick_IRQn 0 */
+ HAL_IncTick();
+ HAL_SYSTICK_IRQHandler();
+ /* USER CODE BEGIN SysTick_IRQn 1 */
+
+ /* USER CODE END SysTick_IRQn 1 */
+}
+
+/******************************************************************************/
+/* STM32F4xx Peripheral Interrupt Handlers */
+/* Add here the Interrupt Handlers for the used peripherals. */
+/* For the available peripheral interrupt handler names, */
+/* please refer to the startup file (startup_stm32f4xx.s). */
+/******************************************************************************/
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff -r 000000000000 -r 6b1a8c783fef system_stm32f4xx.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/system_stm32f4xx.c Mon Jul 23 23:09:43 2018 +0000
@@ -0,0 +1,762 @@
+/**
+ ******************************************************************************
+ * @file system_stm32f4xx.c
+ * @author MCD Application Team
+ * @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File.
+ *
+ * This file provides two functions and one global variable to be called from
+ * user application:
+ * - SystemInit(): This function is called at startup just after reset and
+ * before branch to main program. This call is made inside
+ * the "startup_stm32f4xx.s" file.
+ *
+ * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
+ * by the user application to setup the SysTick
+ * timer or configure other parameters.
+ *
+ * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
+ * be called whenever the core clock is changed
+ * during program execution.
+ *
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT 2017 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/** @addtogroup CMSIS
+ * @{
+ */
+
+/** @addtogroup stm32f4xx_system
+ * @{
+ */
+
+/** @addtogroup STM32F4xx_System_Private_Includes
+ * @{
+ */
+
+
+#include "stm32f4xx.h"
+
+#if !defined (HSE_VALUE)
+ #define HSE_VALUE ((uint32_t)25000000) /*!< Default value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined (HSI_VALUE)
+ #define HSI_VALUE ((uint32_t)16000000) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F4xx_System_Private_TypesDefinitions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F4xx_System_Private_Defines
+ * @{
+ */
+
+/************************* Miscellaneous Configuration ************************/
+/*!< Uncomment the following line if you need to use external SRAM or SDRAM as data memory */
+#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)\
+ || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
+ || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx)
+/* #define DATA_IN_ExtSRAM */
+#endif /* STM32F40xxx || STM32F41xxx || STM32F42xxx || STM32F43xxx || STM32F469xx || STM32F479xx ||\
+ STM32F412Zx || STM32F412Vx */
+
+#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
+ || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
+/* #define DATA_IN_ExtSDRAM */
+#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx ||\
+ STM32F479xx */
+
+/*!< Uncomment the following line if you need to relocate your vector Table in
+ Internal SRAM. */
+/* #define VECT_TAB_SRAM */
+#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field.
+ This value must be a multiple of 0x200. */
+/******************************************************************************/
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F4xx_System_Private_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F4xx_System_Private_Variables
+ * @{
+ */
+ /* This variable is updated in three ways:
+ 1) by calling CMSIS function SystemCoreClockUpdate()
+ 2) by calling HAL API function HAL_RCC_GetHCLKFreq()
+ 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
+ Note: If you use this function to configure the system clock; then there
+ is no need to call the 2 first functions listed above, since SystemCoreClock
+ variable is updated automatically.
+ */
+uint32_t SystemCoreClock = 16000000;
+const uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
+const uint8_t APBPrescTable[8] = {0, 0, 0, 0, 1, 2, 3, 4};
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F4xx_System_Private_FunctionPrototypes
+ * @{
+ */
+
+#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
+ static void SystemInit_ExtMemCtl(void);
+#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
+
+/**
+ * @}
+ */
+
+/** @addtogroup STM32F4xx_System_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief Setup the microcontroller system
+ * Initialize the FPU setting, vector table location and External memory
+ * configuration.
+ * @param None
+ * @retval None
+ */
+void SystemInit(void)
+{
+ /* FPU settings ------------------------------------------------------------*/
+ #if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+ SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */
+ #endif
+ /* Reset the RCC clock configuration to the default reset state ------------*/
+ /* Set HSION bit */
+ RCC->CR |= (uint32_t)0x00000001;
+
+ /* Reset CFGR register */
+ RCC->CFGR = 0x00000000;
+
+ /* Reset HSEON, CSSON and PLLON bits */
+ RCC->CR &= (uint32_t)0xFEF6FFFF;
+
+ /* Reset PLLCFGR register */
+ RCC->PLLCFGR = 0x24003010;
+
+ /* Reset HSEBYP bit */
+ RCC->CR &= (uint32_t)0xFFFBFFFF;
+
+ /* Disable all interrupts */
+ RCC->CIR = 0x00000000;
+
+#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
+ SystemInit_ExtMemCtl();
+#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
+
+ /* Configure the Vector Table location add offset address ------------------*/
+#ifdef VECT_TAB_SRAM
+ SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
+#else
+ SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
+#endif
+}
+
+/**
+ * @brief Update SystemCoreClock variable according to Clock Register Values.
+ * The SystemCoreClock variable contains the core clock (HCLK), it can
+ * be used by the user application to setup the SysTick timer or configure
+ * other parameters.
+ *
+ * @note Each time the core clock (HCLK) changes, this function must be called
+ * to update SystemCoreClock variable value. Otherwise, any configuration
+ * based on this variable will be incorrect.
+ *
+ * @note - The system frequency computed by this function is not the real
+ * frequency in the chip. It is calculated based on the predefined
+ * constant and the selected clock source:
+ *
+ * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*)
+ *
+ * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**)
+ *
+ * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
+ * or HSI_VALUE(*) multiplied/divided by the PLL factors.
+ *
+ * (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
+ * 16 MHz) but the real value may vary depending on the variations
+ * in voltage and temperature.
+ *
+ * (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (its value
+ * depends on the application requirements), user has to ensure that HSE_VALUE
+ * is same as the real frequency of the crystal used. Otherwise, this function
+ * may have wrong result.
+ *
+ * - The result of this function could be not correct when using fractional
+ * value for HSE crystal.
+ *
+ * @param None
+ * @retval None
+ */
+void SystemCoreClockUpdate(void)
+{
+ uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2;
+
+ /* Get SYSCLK source -------------------------------------------------------*/
+ tmp = RCC->CFGR & RCC_CFGR_SWS;
+
+ switch (tmp)
+ {
+ case 0x00: /* HSI used as system clock source */
+ SystemCoreClock = HSI_VALUE;
+ break;
+ case 0x04: /* HSE used as system clock source */
+ SystemCoreClock = HSE_VALUE;
+ break;
+ case 0x08: /* PLL used as system clock source */
+
+ /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N
+ SYSCLK = PLL_VCO / PLL_P
+ */
+ pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22;
+ pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
+
+ if (pllsource != 0)
+ {
+ /* HSE used as PLL clock source */
+ pllvco = (HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6);
+ }
+ else
+ {
+ /* HSI used as PLL clock source */
+ pllvco = (HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6);
+ }
+
+ pllp = (((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >>16) + 1 ) *2;
+ SystemCoreClock = pllvco/pllp;
+ break;
+ default:
+ SystemCoreClock = HSI_VALUE;
+ break;
+ }
+ /* Compute HCLK frequency --------------------------------------------------*/
+ /* Get HCLK prescaler */
+ tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)];
+ /* HCLK frequency */
+ SystemCoreClock >>= tmp;
+}
+
+#if defined (DATA_IN_ExtSRAM) && defined (DATA_IN_ExtSDRAM)
+#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
+ || defined(STM32F469xx) || defined(STM32F479xx)
+/**
+ * @brief Setup the external memory controller.
+ * Called in startup_stm32f4xx.s before jump to main.
+ * This function configures the external memories (SRAM/SDRAM)
+ * This SRAM/SDRAM will be used as program data memory (including heap and stack).
+ * @param None
+ * @retval None
+ */
+void SystemInit_ExtMemCtl(void)
+{
+ __IO uint32_t tmp = 0x00;
+
+ register uint32_t tmpreg = 0, timeout = 0xFFFF;
+ register __IO uint32_t index;
+
+ /* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface clock */
+ RCC->AHB1ENR |= 0x000001F8;
+
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);
+
+ /* Connect PDx pins to FMC Alternate function */
+ GPIOD->AFR[0] = 0x00CCC0CC;
+ GPIOD->AFR[1] = 0xCCCCCCCC;
+ /* Configure PDx pins in Alternate function mode */
+ GPIOD->MODER = 0xAAAA0A8A;
+ /* Configure PDx pins speed to 100 MHz */
+ GPIOD->OSPEEDR = 0xFFFF0FCF;
+ /* Configure PDx pins Output type to push-pull */
+ GPIOD->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PDx pins */
+ GPIOD->PUPDR = 0x00000000;
+
+ /* Connect PEx pins to FMC Alternate function */
+ GPIOE->AFR[0] = 0xC00CC0CC;
+ GPIOE->AFR[1] = 0xCCCCCCCC;
+ /* Configure PEx pins in Alternate function mode */
+ GPIOE->MODER = 0xAAAA828A;
+ /* Configure PEx pins speed to 100 MHz */
+ GPIOE->OSPEEDR = 0xFFFFC3CF;
+ /* Configure PEx pins Output type to push-pull */
+ GPIOE->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PEx pins */
+ GPIOE->PUPDR = 0x00000000;
+
+ /* Connect PFx pins to FMC Alternate function */
+ GPIOF->AFR[0] = 0xCCCCCCCC;
+ GPIOF->AFR[1] = 0xCCCCCCCC;
+ /* Configure PFx pins in Alternate function mode */
+ GPIOF->MODER = 0xAA800AAA;
+ /* Configure PFx pins speed to 50 MHz */
+ GPIOF->OSPEEDR = 0xAA800AAA;
+ /* Configure PFx pins Output type to push-pull */
+ GPIOF->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PFx pins */
+ GPIOF->PUPDR = 0x00000000;
+
+ /* Connect PGx pins to FMC Alternate function */
+ GPIOG->AFR[0] = 0xCCCCCCCC;
+ GPIOG->AFR[1] = 0xCCCCCCCC;
+ /* Configure PGx pins in Alternate function mode */
+ GPIOG->MODER = 0xAAAAAAAA;
+ /* Configure PGx pins speed to 50 MHz */
+ GPIOG->OSPEEDR = 0xAAAAAAAA;
+ /* Configure PGx pins Output type to push-pull */
+ GPIOG->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PGx pins */
+ GPIOG->PUPDR = 0x00000000;
+
+ /* Connect PHx pins to FMC Alternate function */
+ GPIOH->AFR[0] = 0x00C0CC00;
+ GPIOH->AFR[1] = 0xCCCCCCCC;
+ /* Configure PHx pins in Alternate function mode */
+ GPIOH->MODER = 0xAAAA08A0;
+ /* Configure PHx pins speed to 50 MHz */
+ GPIOH->OSPEEDR = 0xAAAA08A0;
+ /* Configure PHx pins Output type to push-pull */
+ GPIOH->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PHx pins */
+ GPIOH->PUPDR = 0x00000000;
+
+ /* Connect PIx pins to FMC Alternate function */
+ GPIOI->AFR[0] = 0xCCCCCCCC;
+ GPIOI->AFR[1] = 0x00000CC0;
+ /* Configure PIx pins in Alternate function mode */
+ GPIOI->MODER = 0x0028AAAA;
+ /* Configure PIx pins speed to 50 MHz */
+ GPIOI->OSPEEDR = 0x0028AAAA;
+ /* Configure PIx pins Output type to push-pull */
+ GPIOI->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PIx pins */
+ GPIOI->PUPDR = 0x00000000;
+
+/*-- FMC Configuration -------------------------------------------------------*/
+ /* Enable the FMC interface clock */
+ RCC->AHB3ENR |= 0x00000001;
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
+
+ FMC_Bank5_6->SDCR[0] = 0x000019E4;
+ FMC_Bank5_6->SDTR[0] = 0x01115351;
+
+ /* SDRAM initialization sequence */
+ /* Clock enable command */
+ FMC_Bank5_6->SDCMR = 0x00000011;
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ }
+
+ /* Delay */
+ for (index = 0; index<1000; index++);
+
+ /* PALL command */
+ FMC_Bank5_6->SDCMR = 0x00000012;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ }
+
+ /* Auto refresh command */
+ FMC_Bank5_6->SDCMR = 0x00000073;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ }
+
+ /* MRD register program */
+ FMC_Bank5_6->SDCMR = 0x00046014;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ }
+
+ /* Set refresh count */
+ tmpreg = FMC_Bank5_6->SDRTR;
+ FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1));
+
+ /* Disable write protection */
+ tmpreg = FMC_Bank5_6->SDCR[0];
+ FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF);
+
+#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
+ /* Configure and enable Bank1_SRAM2 */
+ FMC_Bank1->BTCR[2] = 0x00001011;
+ FMC_Bank1->BTCR[3] = 0x00000201;
+ FMC_Bank1E->BWTR[2] = 0x0fffffff;
+#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
+#if defined(STM32F469xx) || defined(STM32F479xx)
+ /* Configure and enable Bank1_SRAM2 */
+ FMC_Bank1->BTCR[2] = 0x00001091;
+ FMC_Bank1->BTCR[3] = 0x00110212;
+ FMC_Bank1E->BWTR[2] = 0x0fffffff;
+#endif /* STM32F469xx || STM32F479xx */
+
+ (void)(tmp);
+}
+#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
+#elif defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
+/**
+ * @brief Setup the external memory controller.
+ * Called in startup_stm32f4xx.s before jump to main.
+ * This function configures the external memories (SRAM/SDRAM)
+ * This SRAM/SDRAM will be used as program data memory (including heap and stack).
+ * @param None
+ * @retval None
+ */
+void SystemInit_ExtMemCtl(void)
+{
+ __IO uint32_t tmp = 0x00;
+#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
+ || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
+#if defined (DATA_IN_ExtSDRAM)
+ register uint32_t tmpreg = 0, timeout = 0xFFFF;
+ register __IO uint32_t index;
+
+#if defined(STM32F446xx)
+ /* Enable GPIOA, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG interface
+ clock */
+ RCC->AHB1ENR |= 0x0000007D;
+#else
+ /* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface
+ clock */
+ RCC->AHB1ENR |= 0x000001F8;
+#endif /* STM32F446xx */
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);
+
+#if defined(STM32F446xx)
+ /* Connect PAx pins to FMC Alternate function */
+ GPIOA->AFR[0] |= 0xC0000000;
+ GPIOA->AFR[1] |= 0x00000000;
+ /* Configure PDx pins in Alternate function mode */
+ GPIOA->MODER |= 0x00008000;
+ /* Configure PDx pins speed to 50 MHz */
+ GPIOA->OSPEEDR |= 0x00008000;
+ /* Configure PDx pins Output type to push-pull */
+ GPIOA->OTYPER |= 0x00000000;
+ /* No pull-up, pull-down for PDx pins */
+ GPIOA->PUPDR |= 0x00000000;
+
+ /* Connect PCx pins to FMC Alternate function */
+ GPIOC->AFR[0] |= 0x00CC0000;
+ GPIOC->AFR[1] |= 0x00000000;
+ /* Configure PDx pins in Alternate function mode */
+ GPIOC->MODER |= 0x00000A00;
+ /* Configure PDx pins speed to 50 MHz */
+ GPIOC->OSPEEDR |= 0x00000A00;
+ /* Configure PDx pins Output type to push-pull */
+ GPIOC->OTYPER |= 0x00000000;
+ /* No pull-up, pull-down for PDx pins */
+ GPIOC->PUPDR |= 0x00000000;
+#endif /* STM32F446xx */
+
+ /* Connect PDx pins to FMC Alternate function */
+ GPIOD->AFR[0] = 0x000000CC;
+ GPIOD->AFR[1] = 0xCC000CCC;
+ /* Configure PDx pins in Alternate function mode */
+ GPIOD->MODER = 0xA02A000A;
+ /* Configure PDx pins speed to 50 MHz */
+ GPIOD->OSPEEDR = 0xA02A000A;
+ /* Configure PDx pins Output type to push-pull */
+ GPIOD->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PDx pins */
+ GPIOD->PUPDR = 0x00000000;
+
+ /* Connect PEx pins to FMC Alternate function */
+ GPIOE->AFR[0] = 0xC00000CC;
+ GPIOE->AFR[1] = 0xCCCCCCCC;
+ /* Configure PEx pins in Alternate function mode */
+ GPIOE->MODER = 0xAAAA800A;
+ /* Configure PEx pins speed to 50 MHz */
+ GPIOE->OSPEEDR = 0xAAAA800A;
+ /* Configure PEx pins Output type to push-pull */
+ GPIOE->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PEx pins */
+ GPIOE->PUPDR = 0x00000000;
+
+ /* Connect PFx pins to FMC Alternate function */
+ GPIOF->AFR[0] = 0xCCCCCCCC;
+ GPIOF->AFR[1] = 0xCCCCCCCC;
+ /* Configure PFx pins in Alternate function mode */
+ GPIOF->MODER = 0xAA800AAA;
+ /* Configure PFx pins speed to 50 MHz */
+ GPIOF->OSPEEDR = 0xAA800AAA;
+ /* Configure PFx pins Output type to push-pull */
+ GPIOF->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PFx pins */
+ GPIOF->PUPDR = 0x00000000;
+
+ /* Connect PGx pins to FMC Alternate function */
+ GPIOG->AFR[0] = 0xCCCCCCCC;
+ GPIOG->AFR[1] = 0xCCCCCCCC;
+ /* Configure PGx pins in Alternate function mode */
+ GPIOG->MODER = 0xAAAAAAAA;
+ /* Configure PGx pins speed to 50 MHz */
+ GPIOG->OSPEEDR = 0xAAAAAAAA;
+ /* Configure PGx pins Output type to push-pull */
+ GPIOG->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PGx pins */
+ GPIOG->PUPDR = 0x00000000;
+
+#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
+ || defined(STM32F469xx) || defined(STM32F479xx)
+ /* Connect PHx pins to FMC Alternate function */
+ GPIOH->AFR[0] = 0x00C0CC00;
+ GPIOH->AFR[1] = 0xCCCCCCCC;
+ /* Configure PHx pins in Alternate function mode */
+ GPIOH->MODER = 0xAAAA08A0;
+ /* Configure PHx pins speed to 50 MHz */
+ GPIOH->OSPEEDR = 0xAAAA08A0;
+ /* Configure PHx pins Output type to push-pull */
+ GPIOH->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PHx pins */
+ GPIOH->PUPDR = 0x00000000;
+
+ /* Connect PIx pins to FMC Alternate function */
+ GPIOI->AFR[0] = 0xCCCCCCCC;
+ GPIOI->AFR[1] = 0x00000CC0;
+ /* Configure PIx pins in Alternate function mode */
+ GPIOI->MODER = 0x0028AAAA;
+ /* Configure PIx pins speed to 50 MHz */
+ GPIOI->OSPEEDR = 0x0028AAAA;
+ /* Configure PIx pins Output type to push-pull */
+ GPIOI->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PIx pins */
+ GPIOI->PUPDR = 0x00000000;
+#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
+
+/*-- FMC Configuration -------------------------------------------------------*/
+ /* Enable the FMC interface clock */
+ RCC->AHB3ENR |= 0x00000001;
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
+
+ /* Configure and enable SDRAM bank1 */
+#if defined(STM32F446xx)
+ FMC_Bank5_6->SDCR[0] = 0x00001954;
+#else
+ FMC_Bank5_6->SDCR[0] = 0x000019E4;
+#endif /* STM32F446xx */
+ FMC_Bank5_6->SDTR[0] = 0x01115351;
+
+ /* SDRAM initialization sequence */
+ /* Clock enable command */
+ FMC_Bank5_6->SDCMR = 0x00000011;
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ }
+
+ /* Delay */
+ for (index = 0; index<1000; index++);
+
+ /* PALL command */
+ FMC_Bank5_6->SDCMR = 0x00000012;
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ }
+
+ /* Auto refresh command */
+#if defined(STM32F446xx)
+ FMC_Bank5_6->SDCMR = 0x000000F3;
+#else
+ FMC_Bank5_6->SDCMR = 0x00000073;
+#endif /* STM32F446xx */
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ }
+
+ /* MRD register program */
+#if defined(STM32F446xx)
+ FMC_Bank5_6->SDCMR = 0x00044014;
+#else
+ FMC_Bank5_6->SDCMR = 0x00046014;
+#endif /* STM32F446xx */
+ timeout = 0xFFFF;
+ while((tmpreg != 0) && (timeout-- > 0))
+ {
+ tmpreg = FMC_Bank5_6->SDSR & 0x00000020;
+ }
+
+ /* Set refresh count */
+ tmpreg = FMC_Bank5_6->SDRTR;
+#if defined(STM32F446xx)
+ FMC_Bank5_6->SDRTR = (tmpreg | (0x0000050C<<1));
+#else
+ FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1));
+#endif /* STM32F446xx */
+
+ /* Disable write protection */
+ tmpreg = FMC_Bank5_6->SDCR[0];
+ FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF);
+#endif /* DATA_IN_ExtSDRAM */
+#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */
+
+#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)\
+ || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\
+ || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx)
+
+#if defined(DATA_IN_ExtSRAM)
+/*-- GPIOs Configuration -----------------------------------------------------*/
+ /* Enable GPIOD, GPIOE, GPIOF and GPIOG interface clock */
+ RCC->AHB1ENR |= 0x00000078;
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIODEN);
+
+ /* Connect PDx pins to FMC Alternate function */
+ GPIOD->AFR[0] = 0x00CCC0CC;
+ GPIOD->AFR[1] = 0xCCCCCCCC;
+ /* Configure PDx pins in Alternate function mode */
+ GPIOD->MODER = 0xAAAA0A8A;
+ /* Configure PDx pins speed to 100 MHz */
+ GPIOD->OSPEEDR = 0xFFFF0FCF;
+ /* Configure PDx pins Output type to push-pull */
+ GPIOD->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PDx pins */
+ GPIOD->PUPDR = 0x00000000;
+
+ /* Connect PEx pins to FMC Alternate function */
+ GPIOE->AFR[0] = 0xC00CC0CC;
+ GPIOE->AFR[1] = 0xCCCCCCCC;
+ /* Configure PEx pins in Alternate function mode */
+ GPIOE->MODER = 0xAAAA828A;
+ /* Configure PEx pins speed to 100 MHz */
+ GPIOE->OSPEEDR = 0xFFFFC3CF;
+ /* Configure PEx pins Output type to push-pull */
+ GPIOE->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PEx pins */
+ GPIOE->PUPDR = 0x00000000;
+
+ /* Connect PFx pins to FMC Alternate function */
+ GPIOF->AFR[0] = 0x00CCCCCC;
+ GPIOF->AFR[1] = 0xCCCC0000;
+ /* Configure PFx pins in Alternate function mode */
+ GPIOF->MODER = 0xAA000AAA;
+ /* Configure PFx pins speed to 100 MHz */
+ GPIOF->OSPEEDR = 0xFF000FFF;
+ /* Configure PFx pins Output type to push-pull */
+ GPIOF->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PFx pins */
+ GPIOF->PUPDR = 0x00000000;
+
+ /* Connect PGx pins to FMC Alternate function */
+ GPIOG->AFR[0] = 0x00CCCCCC;
+ GPIOG->AFR[1] = 0x000000C0;
+ /* Configure PGx pins in Alternate function mode */
+ GPIOG->MODER = 0x00085AAA;
+ /* Configure PGx pins speed to 100 MHz */
+ GPIOG->OSPEEDR = 0x000CAFFF;
+ /* Configure PGx pins Output type to push-pull */
+ GPIOG->OTYPER = 0x00000000;
+ /* No pull-up, pull-down for PGx pins */
+ GPIOG->PUPDR = 0x00000000;
+
+/*-- FMC/FSMC Configuration --------------------------------------------------*/
+ /* Enable the FMC/FSMC interface clock */
+ RCC->AHB3ENR |= 0x00000001;
+
+#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
+ /* Configure and enable Bank1_SRAM2 */
+ FMC_Bank1->BTCR[2] = 0x00001011;
+ FMC_Bank1->BTCR[3] = 0x00000201;
+ FMC_Bank1E->BWTR[2] = 0x0fffffff;
+#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
+#if defined(STM32F469xx) || defined(STM32F479xx)
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN);
+ /* Configure and enable Bank1_SRAM2 */
+ FMC_Bank1->BTCR[2] = 0x00001091;
+ FMC_Bank1->BTCR[3] = 0x00110212;
+ FMC_Bank1E->BWTR[2] = 0x0fffffff;
+#endif /* STM32F469xx || STM32F479xx */
+#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx)|| defined(STM32F417xx)\
+ || defined(STM32F412Zx) || defined(STM32F412Vx)
+ /* Delay after an RCC peripheral clock enabling */
+ tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FSMCEN);
+ /* Configure and enable Bank1_SRAM2 */
+ FSMC_Bank1->BTCR[2] = 0x00001011;
+ FSMC_Bank1->BTCR[3] = 0x00000201;
+ FSMC_Bank1E->BWTR[2] = 0x0FFFFFFF;
+#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F412Zx || STM32F412Vx */
+
+#endif /* DATA_IN_ExtSRAM */
+#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\
+ STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx || STM32F412Zx || STM32F412Vx */
+ (void)(tmp);
+}
+#endif /* DATA_IN_ExtSRAM && DATA_IN_ExtSDRAM */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+