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+/**
+ ******************************************************************************
+ * File Name : main.c
+ * Date : 08/07/2015 17:46:00
+ * Description : Main program body
+ ******************************************************************************
+ *
+ * COPYRIGHT(c) 2015 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 "stm-init.h"
+#ifdef HAL_GPIO_MODULE_ENABLED
+#include "stm-led.h"
+#endif
+#ifdef HAL_SRAM_MODULE_ENABLED
+#include "stm-fmc.h"
+#endif
+#ifdef HAL_UART_MODULE_ENABLED
+#include "stm-uart.h"
+#endif
+
+/* Private variables ---------------------------------------------------------*/
+
+/* Private function prototypes -----------------------------------------------*/
+static void SystemClock_Config(void);
+#ifdef HAL_GPIO_MODULE_ENABLED
+static void MX_GPIO_Init(void);
+#endif
+#ifdef HAL_UART_MODULE_ENABLED
+static void MX_USART2_UART_Init(void);
+#endif
+
+void stm_init(void)
+{
+
+ /* MCU Configuration----------------------------------------------------------*/
+
+ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
+ HAL_Init();
+
+ /* Configure the system clock */
+ SystemClock_Config();
+
+ /* System interrupt init*/
+ /* Sets the priority grouping field */
+ HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
+ HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
+
+ /* Initialize all configured peripherals */
+#ifdef HAL_GPIO_MODULE_ENABLED
+ MX_GPIO_Init();
+#endif
+#ifdef HAL_UART_MODULE_ENABLED
+ MX_USART2_UART_Init();
+#endif
+}
+
+/** System Clock Configuration
+ *
+ * HSE crystal at 25 MHz, end result is 180 MHz clock.
+ */
+static void SystemClock_Config(void)
+{
+ RCC_ClkInitTypeDef RCC_ClkInitStruct;
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+
+ __PWR_CLK_ENABLE();
+
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+ 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 = 25;
+ RCC_OscInitStruct.PLL.PLLN = 360;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+ RCC_OscInitStruct.PLL.PLLQ = 4;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ HAL_PWREx_ActivateOverDrive();
+
+ RCC_ClkInitStruct.ClockType = 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;
+ HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
+}
+
+#if 0
+/** System Clock Configuration
+ *
+ * HSI source, end result is 16 MHz SYSCLK
+ *
+*/
+static void old_SystemClock_Config(void)
+{
+
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+
+ __PWR_CLK_ENABLE();
+
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
+
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSICalibrationValue = 6;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ /* XXX Does this need HAL_PWREx_ActivateOverDrive() and
+ * HAL_RCC_ClockConfig() to function properly??
+ */
+}
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+/* USART2 init function */
+static void MX_USART2_UART_Init(void)
+{
+ extern UART_HandleTypeDef huart2;
+
+ huart2.Instance = USART2;
+ huart2.Init.BaudRate = USART2_BAUD_RATE;
+ 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) {
+ /* Initialization Error */
+ Error_Handler();
+ }
+}
+#endif
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+/** Configure pins as
+ * Analog
+ * Input
+ * Output
+ * EVENT_OUT
+ * EXTI
+*/
+static void MX_GPIO_Init(void)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ /* GPIO Ports Clock Enable */
+ __GPIOJ_CLK_ENABLE();
+
+ /* Configure LED GPIO pins PJ1==red, PJ2==yellow, PJ3==green, PJ4==blue */
+ GPIO_InitStruct.Pin = LED_RED | LED_YELLOW | LED_GREEN | LED_BLUE;
+ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
+ HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
+}
+#endif
+
+/**
+ * @brief This function is executed in case of error occurrence.
+ * @param None
+ * @retval None
+ */
+void Error_Handler(void)
+{
+#ifdef HAL_GPIO_MODULE_ENABLED
+ HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_SET);
+#endif
+ while (1) { ; }
+}
+
+#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,
+ ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+ /* USER CODE END 6 */
+
+}
+
+#endif
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/