Diff: main.h

Revision:

23:bb0063d3d791

Parent:

22:5b77cf59d630

Child:

30:c58316bab0fb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h	Fri Oct 19 04:31:45 2018 +0000
@@ -0,0 +1,204 @@
+/*
+  _    _            _____   _______
+ | |  | |          |_   _| |__   __|
+ | |__| | __ ___  __ | |  ___ | |
+ |  __  |/ _` \ \/ / | | / _ \| |
+ | |  | | (_| |>  < _| || (_) | |
+ |_|  |_|\__,_/_/\_\_____\___/|_|
+    (C)2017 HaxIoT
+
+Description: contains hardware configuration Macros and Constants
+License: Revised BSD License, see LICENSE.TXT file include in the project
+*/
+/*******************************************************************************
+  * @File Name    : main.h
+  * @Author       : Fahad Mirza (Haxiot)
+  * @Version 	  : V1.0.0
+  * @Modified     : 18 October, 2018
+  * @Description  : Header file for main.c
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2017 Haxiot</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 Haxiot 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.
+  *
+  ******************************************************************************
+  */
+  
+#ifndef MAIN_H_
+#define MAIN_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+#include "hw.h"
+#include "debug.h"
+#include "delay.h"
+#include "low_power_manager.h"
+
+/* Variables -----------------------------------------------------------------*/
+//Flag to indicate if the MCU is Initialized
+static bool McuInitialized = false;
+
+// Mbed specific declaration
+AnalogIn temperatureSensor(A0);
+DigitalOut nucleoLED(LED1);
+DigitalIn slideSwitch(D12);
+DigitalOut blueLED(D11);
+DigitalOut redLED(D10);
+DigitalOut greenLED(D9);
+
+
+/* Function Declarations -----------------------------------------------------*/
+void SystemClock_Config(void);
+
+
+/******************************************************************************
+  * @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
+    slideSwitch.mode(PullDown);
+    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
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* MAIN_H_ */
+