Diff: main.cpp

Revision:

32:2d0678039a09

Parent:

22:5b77cf59d630

--- a/main.cpp	Mon Dec 10 19:54:23 2018 +0000
+++ b/main.cpp	Thu Jan 24 21:57:23 2019 +0000
@@ -43,9 +43,17 @@
   ******************************************************************************
   */
 #include "mbed.h"
-#include "main.h"
+#include "hw.h"
+#include "hxcclient_bsp.h"
 #include "lora_conf.h"
 
+/* Variables -----------------------------------------------------------------*/
+//Flag to indicate if the MCU is Initialized
+static bool McuInitialized = false;
+
+/* Function Declarations -----------------------------------------------------*/
+void SystemClock_Config(void);
+void HW_Init(void);
 
 int main()
 {
@@ -60,5 +68,125 @@
     }
 }
 
+/******************************************************************************
+  * @Brief : This function initializes the hardware
+  * @Param : None
+  * @Return: None
+******************************************************************************/
+void HW_Init(void)
+{
+  if(McuInitialized == false)
+  {
+    // Reset of all peripherals, Initializes the Flash interface and the Systick.
+    HAL_Init();
+    SystemClock_Config();
+    Debug_UART_Init();
+    HW_RTC_Init();
+    BSP_LED_Init(LED_GREEN);// LED on Nucleo board
+    HXC_BSP_Init();
+    McuInitialized = true;
+  }
+}
+
+/******************************************************************************
+  * @Brief :  System Clock Configuration
+  * The system Clock is configured as follow :
+  *      System Clock source            = PLL (HSI)
+  *      SYSCLK(Hz)                     = 32000000
+  *      HCLK(Hz)                       = 32000000
+  *      AHB Prescaler                  = 1
+  *      APB1 Prescaler                 = 1
+  *      APB2 Prescaler                 = 1
+  *      HSI Frequency(Hz)              = 16000000
+  *      PLLMUL                         = 6
+  *      PLLDIV                         = 3
+  *      Flash Latency(WS)              = 1
+  * @Return: None
+  * @Note  : This function enables all the clock necessary for the demo
+  *          including UARTs
+******************************************************************************/
+void SystemClock_Config(void)
+{
+    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+
+    // Enable HSI48 Oscillator for RNG analog part
+    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
+    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+    RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+    if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+    {
+      // Initialization Error
+      Error_Handler();
+    }
+
+    // Set Voltage scale1 as MCU will run at 32MHz
+    __HAL_RCC_PWR_CLK_ENABLE();
+    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+    // Poll VOSF bit of in PWR_CSR. Wait until it is reset to 0
+    while (__HAL_PWR_GET_FLAG(PWR_FLAG_VOS) != RESET) {};
+
+    // Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers
+    RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
+    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+    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_1) != HAL_OK)
+    {
+        Error_Handler();
+    }
+
+    HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
+    HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
+
+    // SysTick_IRQn interrupt configuration
+    HAL_NVIC_SetPriority(SysTick_IRQn, 1, 0);
+}
+
+/******************************************************************************
+  * @Brief : Initializes the MSP.
+  * @Param : None
+  * @Return: None
+******************************************************************************/
+void HAL_MspInit(void)
+{
+    __HAL_RCC_PWR_CLK_ENABLE();
+
+    // Disable the Power Voltage Detector
+    HAL_PWR_DisablePVD();
+
+    // Enables the Ultra Low Power mode
+    HAL_PWREx_EnableUltraLowPower();
+
+    __HAL_FLASH_SLEEP_POWERDOWN_ENABLE();
+
+    /* In debug mode, e.g. when DBGMCU is activated, Arm core has always clocks
+     * And will not wait that the FLACH is ready to be read. It can miss in this
+     * case the first instruction. To overcome this issue, the flash remain clocked during sleep mode
+     */
+    DBG( __HAL_FLASH_SLEEP_POWERDOWN_DISABLE(); );
+    /*Enable fast wakeUp*/
+    HAL_PWREx_EnableFastWakeUp( );
+}
+
+#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
+   *          line: assert_param error line source number
+   * @Return: None
+******************************************************************************/
+void assert_failed(uint8_t* file, uint32_t line)
+{
+  /* 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) */
+}
+
+#endif
+
 /************************ (C) COPYRIGHT Haxiot ***** END OF FILE ****/