text: /**
    ******************************************************************************
    * File Name          : main.c
    * Description        : 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) 2017 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 "soc_init.h"
  #include "k_config.h"
  #include "stm32l0xx_hal.h"
  
  
  #if defined (__CC_ARM) && defined(__MICROLIB)
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
  #define GETCHAR_PROTOTYPE int fgetc(FILE *f)
  #elif defined(__ICCARM__)
  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
  #define GETCHAR_PROTOTYPE int fgetc(FILE *f)
  #else
  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
     set to 'Yes') calls __io_putchar() */
  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
  #define GETCHAR_PROTOTYPE int __io_getchar(void)
  #endif /* defined (__CC_ARM) && defined(__MICROLIB) */
  
  
  /* USER CODE BEGIN Includes */
  
  /* USER CODE END Includes */
  
  /* Private variables ---------------------------------------------------------*/
  UART_HandleTypeDef huart2;
  uart_dev_t   uart_0;
  
  /* 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);
  
  /* USER CODE BEGIN PFP */
  /* Private function prototypes -----------------------------------------------*/
  
  /* USER CODE END PFP */
  
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  void stm32_soc_init(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();
  }
  
  /** System Clock Configuration
  */
  void SystemClock_Config(void)
  {
  
    RCC_OscInitTypeDef RCC_OscInitStruct;
    RCC_ClkInitTypeDef RCC_ClkInitStruct;
    RCC_PeriphCLKInitTypeDef PeriphClkInit;
  
      /**Configure the main internal regulator output voltage 
      */
    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  
      /**Initializes the CPU, AHB and APB busses clocks 
      */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
    RCC_OscInitStruct.MSIState = RCC_MSI_ON;
    RCC_OscInitStruct.MSICalibrationValue = 0;
    RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_5;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
    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_MSI;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  
    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
    {
      _Error_Handler(__FILE__, __LINE__);
    }
  
    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
    PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
    {
      _Error_Handler(__FILE__, __LINE__);
    }
  
      /**Configure the Systick interrupt time 
      */
    HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/RHINO_CONFIG_TICKS_PER_SECOND);
  
      /**Configure the Systick 
      */
    HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
  
    /* SysTick_IRQn interrupt configuration */
    HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  }
  
  /* 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;
    huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
    huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
    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();
  
    /*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  None
    * @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,
      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
    /* USER CODE END 6 */
  
  }
  
  #endif
  
  HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
  {
    /*Configure the SysTick to have interrupt in 1ms time basis*/
    HAL_SYSTICK_Config(SystemCoreClock/RHINO_CONFIG_TICKS_PER_SECOND);
  
    /*Configure the SysTick IRQ priority */
    HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority ,0U);
  
     /* Return function status */
    return HAL_OK;
  }
  
  /**
    * @brief  Retargets the C library printf function to the USART.
    * @param  None
    * @retval None
    */
  PUTCHAR_PROTOTYPE
  {
    if (ch == '\n') {
      //hal_uart_send(&console_uart, (void *)"\r", 1, 30000);
      HAL_UART_Transmit(&huart2, (void *)"\r", 1,30000);
    }
    HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 0xFFFF);
    return ch;
  }
  
  /**
    * @brief  Retargets the C library scanf function to the USART.
    * @param  None
    * @retval None
    */
  GETCHAR_PROTOTYPE
  {
    /* Place your implementation of fgetc here */
    /* e.g. readwrite a character to the USART2 and Loop until the end of transmission */
      uint8_t ch = 0;
      int32_t ret = 0;
      
      ret = HAL_UART_Receive(&huart2, &ch, 1, HAL_MAX_DELAY);
  
      if (ret == 0) {
          return ch;
      } else {
          return -1;
      }
  }
  
  int32_t hal_uart_send(uart_dev_t *uart, const void *data, uint32_t size, uint32_t timeout) {
  
      return 0;
  }
  
  int32_t hal_uart_recv_II(uart_dev_t *uart, void *data, uint32_t expect_size, uint32_t *recv_size, uint32_t timeout) {
  
      return 0;
  }
  
  
  /**
    * @}
    */ 
  
  /**
    * @}
  */ 
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  