/main.c

/******************************************************************************/

/** \file       main.c

 *******************************************************************************

 *

 *  \brief      This is the freeRTOS base project for STM32f103.

 *

 *  \author     fonts2

 *

 *  \date       16.05.2013

*

 *  \remark     Last Modification

 *               \li  fonts2, 16.05.2013   created

 *

 ******************************************************************************/

/*

 *  functions  global:

 *              main

 *  functions  local:

 *              vCreateTasks

 *

 ******************************************************************************/

 

//----- Header-Files -----------------------------------------------------------

/* Standard includes. */

#include <stdio.h>

#include "stm32f10x_it.h"



#include "Metering.h"

#include "Connection.h"

#include "Logger.h"



#include <FreeRTOS.h>      

#include <task.h>

#include <queue.h>

#include <semphr.h>

#include <timers.h>

#include "constants.h"





//----- Macros -----------------------------------------------------------------

#define	SIZE_OF_POWER_MESSAGE_QUEUE			2

#define	SIZE_OF_TASK_MESSAGE_QUEUE			20

#define	SIZE_OF_VALUE_ITEM				sizeof(struct Value)

#define	SIZE_OF_MESSAGE_ITEM			sizeof(struct Message)

#define	SIZE_OF_TIME_ITEM					sizeof(struct Time)



#define PRIORITY_METERING ( 7 )     		 /* Priority of METERING                 	  */

#define PRIORITY_CONNECTION ( 7 )      	/* Priority of CONNECTION                 	*/

#define PRIORITY_LOGGER ( 7 )      			/* Priority of LOGGER			                 	*/



#define STACKSIZE_TASK  ( 256 )       /* Stacksize of Task1 [Number of Words] */



//----- Data types -------------------------------------------------------------



//----- Function prototypes ----------------------------------------------------

static void prvSetupHardware( void );

static void Init( void );

static void  vCreateTasks(void);



//----- Data -------------------------------------------------------------------









/*-----------------------------------------------------------*/



/*******************************************************************************

 *  function :    main

 ******************************************************************************/

/** \brief        Initialize Hardware

 *

 *  \type         global

 *

 *  \return       error code

 *

 ******************************************************************************/

int main( void )

{

	//Messagequeues initialisieren

	xQueuePowerValue			 		= xQueueCreate(SIZE_OF_POWER_MESSAGE_QUEUE, SIZE_OF_VALUE_ITEM);

	xQueuePowerMessage				= xQueueCreate(SIZE_OF_POWER_MESSAGE_QUEUE, SIZE_OF_MESSAGE_ITEM);

	xQueueTime								= xQueueCreate(SIZE_OF_POWER_MESSAGE_QUEUE, SIZE_OF_TIME_ITEM);

	

	prvSetupHardware();

	Init();

	

	/* Create all application tasks and start the scheduler --------------------*/

  vCreateTasks();

  vTaskStartScheduler();



  /* If there is no failure, then this code is never reached */

	while ( 1 )

	{

		

	}

	

}



/*******************************************************************************

 *  function :    vCreateTasks

 ******************************************************************************/

/** \brief        Create all application task

 *

 *  \type         local

 *

 *  \return       void

 *

 ******************************************************************************/

static void vCreateTasks(void)  {



   xTaskCreate(vMeteringTask,

                (signed char *)"vMeteringTask",

                STACKSIZE_TASK,

                NULL,

                PRIORITY_METERING,

                NULL);



   xTaskCreate(vConnectionTask,

                (signed char *)"vConnectionTask",

                STACKSIZE_TASK,

                NULL,

                PRIORITY_CONNECTION,

                NULL);

	

	 xTaskCreate(vLoggerTask,

                (signed char *)"vLoggerTask",

                STACKSIZE_TASK,

                NULL,

                PRIORITY_LOGGER,

                NULL);

}



/*-----------------------------------------------------------*/



/*******************************************************************************

 *  function :    init

 ******************************************************************************/

/** \brief        Initialize Hardware

 *

 *  \type         global

 *

 *  \return       error code

 *

 ******************************************************************************/

static void Init( void )

{

	/* Configure the clocks, GPIO and other peripherals */

	GPIO_InitTypeDef GPIO_InitStructure;

	SPI_InitTypeDef SPI_InitStructure;

	TIM_TimeBaseInitTypeDef TIM_TimeBase_InitStructure;

  NVIC_InitTypeDef NVIC_InitStructure;

	

	// enable SPI 1 & 2 peripheral clock and GPIO

  RCC_APB2PeriphClockCmd( RCC_APB2Periph_SPI1 | RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE );

	RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);

	

	/****** LED and Switches *******/

	/*-----------------------------------------------*/

	// === INIT LED ===

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

	GPIO_Init(GPIOB, &GPIO_InitStructure);



	// === ZCR0 ===

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;

	GPIO_Init(GPIOC, &GPIO_InitStructure);

	

	// === INIT Solid-State Relais ===

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

	GPIO_Init(GPIOB, &GPIO_InitStructure);

	

	// === INIT TASTER ===

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;

	GPIO_Init(GPIOC, &GPIO_InitStructure);

	

	/****** nRF8001 Prepare pins and start SPI *******/

	/*-----------------------------------------------*/

	// === INIT reqn ===

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

	GPIO_Init(GPIOB, &GPIO_InitStructure);

	GPIO_SetBits(GPIOB, GPIO_Pin_9);

	

	// === INIT rdyn ===

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;

	GPIO_Init(GPIOB, &GPIO_InitStructure);

	

	// === INIT reset ===

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

	GPIO_Init(GPIOB, &GPIO_InitStructure);



	GPIO_SetBits(GPIOB, GPIO_Pin_6);



	// === SPI1 ===



	/* configure SPI SCK -------------------------------------------------------*/

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

	GPIO_Init( GPIOA, &GPIO_InitStructure );



	/* configure SPI MISO ------------------------------------------------------*/

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;

	GPIO_Init( GPIOA, &GPIO_InitStructure );

	

	/* configure SPI MOSI ------------------------------------------------------*/

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

	GPIO_Init( GPIOA, &GPIO_InitStructure );





	/* configure SPI1 as master-------------------------------------------------*/

	SPI_InitStructure.SPI_Mode = SPI_Mode_Master;

	SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;

	SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;

	SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;

	SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;

	SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_LSB;

	SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;

	SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64;

  SPI_Init( SPI1, &SPI_InitStructure );

	

	/* SPI1 ENABLE -------------------------------------------------------------*/

	SPI_Cmd(SPI1, ENABLE);

	

	/****** STPM01 Prepare pins and start SPI *******/

	/*-----------------------------------------------*/

	// === SYN0  ===

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

	GPIO_Init(GPIOA, &GPIO_InitStructure);

	GPIO_SetBits(GPIOA, GPIO_Pin_9);

	

	// === SPI2 ===

		/* configure SPI NSS ------------------------------------------------------*/

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

	GPIO_Init( GPIOB, &GPIO_InitStructure );

	GPIO_SetBits(GPIOB, GPIO_Pin_12);

	

	/* configure SPI MOSI ------------------------------------------------------*/

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

	GPIO_Init( GPIOB, &GPIO_InitStructure );

	

	/* configure SPI SCK -------------------------------------------------------*/

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

	GPIO_Init( GPIOB, &GPIO_InitStructure );



	/* configure SPI MISO ------------------------------------------------------*/

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;

	GPIO_Init( GPIOB, &GPIO_InitStructure );

	



	/* configure SPI2 as master-------------------------------------------------*/

	SPI_InitStructure.SPI_Mode = SPI_Mode_Master;

	SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;

	SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;

	SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;

	SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;

	SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;

	SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;

	SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;//18MHz

  SPI_Init( SPI2, &SPI_InitStructure );

	

	/* SPI2 ENABLE -------------------------------------------------------------*/

	SPI_Cmd(SPI2, ENABLE);

	

	// === Timer ===

	/* MCO ------------------------------------------------------*/

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;

	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

	GPIO_Init( GPIOA, &GPIO_InitStructure );

	RCC_MCOConfig(RCC_MCO_HSI);

	

	/* SCK ------------------------------------------------------*/	

	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);

	

	TIM_TimeBase_InitStructure.TIM_ClockDivision  = TIM_CKD_DIV1;

  TIM_TimeBase_InitStructure.TIM_CounterMode 	  = TIM_CounterMode_Up;

  TIM_TimeBase_InitStructure.TIM_Period 				= 799;

  TIM_TimeBase_InitStructure.TIM_Prescaler 			= 0;

  TIM_TimeBaseInit(TIM2, &TIM_TimeBase_InitStructure);

 

  NVIC_InitStructure.NVIC_IRQChannel 						= TIM2_IRQn;

  NVIC_InitStructure.NVIC_IRQChannelCmd					= ENABLE;

  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;

  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;

  NVIC_Init(&NVIC_InitStructure);





}



/*******************************************************************************

 *  function :    prvSetupHardware

 ******************************************************************************/

/** \brief        prvSetupHardware

 *

 *  \type         global

 *

 *  \return       error code

 *

 ******************************************************************************/

static void prvSetupHardware( void )

{

	/* Start with the clocks in their expected state. */

	RCC_DeInit();



	/* Enable HSE (high speed external clock). */

	RCC_HSEConfig( RCC_HSE_ON );



	/* Wait till HSE is ready. */

	while( RCC_GetFlagStatus( RCC_FLAG_HSERDY ) == RESET )

	{

	}



	/* 2 wait states required on the flash. */

	*( ( unsigned portLONG * ) 0x40022000 ) = 0x02;



	/* HCLK = SYSCLK */

	RCC_HCLKConfig( RCC_SYSCLK_Div1 );



	/* PCLK2 = HCLK */

	RCC_PCLK2Config( RCC_HCLK_Div1 );



	/* PCLK1 = HCLK/2 */

	RCC_PCLK1Config( RCC_HCLK_Div2 );



	/* PLLCLK = (16MHz / 2) * 9 = 72 MHz. */

	RCC_PLLConfig( RCC_PLLSource_HSE_Div2, RCC_PLLMul_9 );



	/* Enable PLL. */

	RCC_PLLCmd( ENABLE );



	/* Wait till PLL is ready. */

	while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)

	{

	}



	/* Select PLL as system clock source. */

	RCC_SYSCLKConfig( RCC_SYSCLKSource_PLLCLK );



	/* Wait till PLL is used as system clock source. */

	while( RCC_GetSYSCLKSource() != 0x08 )

	{

	}



	/* Enable GPIOA, GPIOB, GPIOC, GPIOD, GPIOE and AFIO clocks */

	RCC_APB2PeriphClockCmd(	RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC |

							RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO, ENABLE );

	



	/* Set the Vector Table base address at 0x08000000 */

	NVIC_SetVectorTable( NVIC_VectTab_FLASH, 0x0 );



	NVIC_PriorityGroupConfig( NVIC_PriorityGroup_4 );

	

	/* Configure HCLK clock as SysTick clock source. */

	SysTick_CLKSourceConfig( SysTick_CLKSource_HCLK );

	

	

}

/*-----------------------------------------------------------*/



#ifdef  DEBUG

/* Keep the linker happy. */

void assert_failed( unsigned portCHAR* pcFile, unsigned portLONG ulLine )

{

	for( ;; )

	{

	}

}

#endif