363 lines
13 KiB
C
363 lines
13 KiB
C
//=================================================================================================
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//
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// Company: Paul Scherrer Institut
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// 5232 Villigen PSI
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// Switzerland
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//
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//-------------------------------------------------------------------------------------------------
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//
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// Project: Peltier Controller V2
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// Author: Noah Piqué (noah.pique@psi.ch)
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//
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//-------------------------------------------------------------------------------------------------
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//
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// Module: Temp
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// Filename: TEMP_Temperature.c
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// Date: Handled by Subversion (version control system)
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// Revision: Handled by Subversion (version control system)
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// History: Handled by Subversion (version control system)
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//
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//-------------------------------------------------------------------------------------------------
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//
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// Description: This source file contains all functions dealing with the temperature readout
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//
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//=================================================================================================
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//=================================================================================================
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// Section: INCLUDES
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// Description: List of required include files.
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//=================================================================================================
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//#include "../Application/VARH_VariableHandler.h"
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#include "../PDEF_ProjectDefinitions.h"
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#include "TEMP_Temperature.h"
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// Application
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//#include "../Application/ELOG_ErrorLogger.h"
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//#include "../Application/RTOS_RealTimeOs.h"
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// Toolbox
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//#include "../Toolbox/ASRT_Assert.h"
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#include "../Toolbox/UTIL_Utility.h"
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// Drivers
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#include "DIPO_DigitalPorts.h"
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#include "SPID_SpiDriver.h"
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#include "ADCD_ADCDriver.h"
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// include STM32 drivers
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#include "stm32l4xx_hal.h"
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#include <math.h>
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#include "cmsis_os2.h"
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//=================================================================================================
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// Section: DEFINITIONS
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// Description: Definition of local constants (visible by this module only).
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//=================================================================================================
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#define REFRESH_MS 100
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// Konstanten f<>r Temperaturberechung
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#define RTD_A 3.9083e-3
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#define RTD_B -5.775e-7
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#define R_REF 4000
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#define R_NOMINAL 1000
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//=================================================================================================
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// Section: MACROS
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// Description: Definition of local macros (visible by this module only).
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//=================================================================================================
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//=================================================================================================
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// Section: ENUMERATIONS
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// Description: Definition of local enumerations (visible by this module only).
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//=================================================================================================
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//=================================================================================================
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// Section: STRUCTURES
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// Description: Definition of local Structures (visible by this module only).
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//=================================================================================================
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//=================================================================================================
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// Section: LOCAL FUNCTIONS (PROTOTYPES)
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// Description: Definition of local functions (visible by this module only).
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//=================================================================================================
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PRIVATE FLOAT flConvertADCData( U16 dbRTemp );
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PRIVATE VOID vTempTask( PVOID arg );
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//=================================================================================================
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// Section: LOCAL CONSTANTS
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// Description: Definition of local constants (visible by this module only).
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//=================================================================================================
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LOCAL CONST osMutexAttr_t m_stMutexAttr =
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{
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"TEMP_Mutex", // human readable mutex name
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osMutexRecursive | osMutexPrioInherit, // attr_bits
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NULL, // memory for control block
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0U // size for control block
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};
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LOCAL CONST osThreadAttr_t stTaskAttribute =
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{
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"TEMP_Thread", // name of the thread
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osThreadDetached, // attribute bits
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NULL, // memory for control block
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0, // size of provided memory for control block
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NULL, // memory for stack
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1024, // size of stack
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osPriorityNormal, // initial thread priority (default: osPriorityNormal)
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0, // TrustZone module identifier
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0, // reserved (must be 0)
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};
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//=================================================================================================
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// Section: LOCAL VARIABLES
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// Description: Definition of local variables (visible by this module only).
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//=================================================================================================
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LOCAL osThreadId_t m_pstThreadID = NULL;
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LOCAL osMutexId_t m_pstMutexID = NULL;
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LOCAL FLOAT m_flTempData[ADCD_eNumberOfTemps];
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//=================================================================================================
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// Section: EXTERNAL FUNCTIONS
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// Description: Definition of external (global) functions.
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//=================================================================================================
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//=================================================================================================
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// Section: EXTERNAL VARIABLES
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// Description: Definition of external (global) variables.
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//=================================================================================================
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//=================================================================================================
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// Section: GLOBAL FUNCTIONS
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// Description: Definition (implementation) of global functions.
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//=================================================================================================
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//-------------------------------------------------------------------------------------------------
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// Function: TEMP_boInitializeModule
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// Description: Initializes the module. Function must be called once immediately after power-up.
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// This function is thread save
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// Parameters: None
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// Returns: Boolean TRUE if successful
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//-------------------------------------------------------------------------------------------------
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BOOL TEMP_boInitializeModule( VOID )
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{
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BOOL boOK = TRUE;
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boOK &= ((m_pstThreadID = osThreadNew( vTempTask, NULL, &stTaskAttribute )) == NULL ) ? FALSE : TRUE;
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boOK &= ((m_pstMutexID = osMutexNew( &m_stMutexAttr )) == NULL) ? FALSE : TRUE;
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return( boOK );
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}
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//-------------------------------------------------------------------------------------------------
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// Function: TEMP_dGetValue
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// Description: Gets the desired temperature
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// Parameters: ATEMP_EnTemperature enInput
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// Returns: DOUBLE DValue Value from ADC
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//-------------------------------------------------------------------------------------------------
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FLOAT TEMP_dGetValue( ADCD_EnTemps enTemp )
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{
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osMutexAcquire( m_pstMutexID, osWaitForever );
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DOUBLE dValue = m_flTempData[enTemp];
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osMutexRelease( m_pstMutexID );
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return( dValue );
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}
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//-------------------------------------------------------------------------------------------------
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// Function: TEMP_boRegisterEventNotification
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// Description: Register for a notification when there are new values
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// Parameters: TEMP_pfnEventCallback pfnCallback
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// PVOID pvCallbackArgument
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// Returns: TRUE, if successfull, otherwise FALSE
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//-------------------------------------------------------------------------------------------------
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//BOOL TEMP_boRegisterEventNotification( TEMP_pfnEventCallback pfnCallback, PVOID pvCallbackArgument )
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//{
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// BOOL boRet = FALSE;
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// osMutexAcquire( m_pstMutexID, osWaitForever );
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// for( U16 u16Cnt = 0; u16Cnt < NUMBER_OF_EVENT_CALLBACKS; u16Cnt++ )
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// {
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// if( m_apfnEventCallback[u16Cnt] == NULL )
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// {
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// m_apfnEventCallback[u16Cnt] = pfnCallback;
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// m_apvCallbackArgument[u16Cnt] = pvCallbackArgument;
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// boRet = TRUE;
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// break;
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// }
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// }
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// osMutexRelease( m_pstMutexID );
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// return( boRet );
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//}
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//=================================================================================================
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// Section: LOCAL FUNCTIONS
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// Descriptionn: Definition (implementation) of local functions.
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//=================================================================================================
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//-------------------------------------------------------------------------------------------------
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// Function: vTempTask
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// Description: vTempTask
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// Parameters: None
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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PRIVATE VOID vTempTask( PVOID arg )
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{
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UNUSED( arg );
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U32 u32Flags;
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BOOL boOK = TRUE;
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U8 error;
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U16 u16ADC_data[ADCD_eNumberOfTemps];
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U8 u8Channel;
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FLOAT temp = 0;
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osDelay(10);
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while( TRUE )
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{
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//u32Flags = osEventFlagsWait( m_pstEventID, EVENT_REFRESH, osFlagsWaitAny, osWaitForever );
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//if( u32Flags & EVENT_REFRESH )
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//{
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boOK &= ADCD_dReadData(ADCD_eHot, &error, &u16ADC_data[ADCD_eHot]);
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if( boOK )
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{
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osMutexAcquire( m_pstMutexID, osWaitForever );
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m_flTempData[ADCD_eHot] = flConvertADCData( u16ADC_data[ADCD_eHot] );
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//temp = flConvertADCData( u16ADC_data[ADCD_eHot] ); // for debugging
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//VARH_vSetVariableData( VARH_eTempHeatSink + u8Channel, (VARH_UVariable)(FLOAT)m_dbTempData[u8Channel] );
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osMutexRelease( m_pstMutexID );
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} else {
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boOK = TRUE;
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}
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boOK &= ADCD_dReadData(ADCD_eCold, &error, &u16ADC_data[ADCD_eCold]);
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if( boOK )
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{
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osMutexAcquire( m_pstMutexID, osWaitForever );
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m_flTempData[ADCD_eCold] = flConvertADCData( u16ADC_data[ADCD_eCold] );
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//temp = flConvertADCData( u16ADC_data[ADCD_eCold] ); // for debugging
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//VARH_vSetVariableData( VARH_eTempHeatSink + u8Channel, (VARH_UVariable)(FLOAT)m_dbTempData[u8Channel] );
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osMutexRelease( m_pstMutexID );
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} else {
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boOK = TRUE;
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}
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//}
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osDelay(REFRESH_MS);
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// wait for ADC conversions completed
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// u32Flags = osEventFlagsWait( m_pstEventID, OS_EVENT_ADC_COMPLETED_FLAG, osFlagsWaitAll , ADC_TIMEOUT_MS );
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// boTimeout = (u32Flags == osFlagsErrorTimeout) ? TRUE : FALSE;
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// boError = FALSE;
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//
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// // check if we have a timeout
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// if( boTimeout )
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// {
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// //ELOG_ADD_LOG( ELOG_eADCTimeout );
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// }
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//
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// // read ADC data
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// if( !(boSuccess = boReadADCData() ) )
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// {
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// //ELOG_ADD_LOG( ELOG_eADCReadingDataFailed );
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// }
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//// vIncrementChannel();
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//
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// // reinit ADC on error, on spi failure or when timeout reached
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// if( boTimeout || !boSuccess )
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// {
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// boError = TRUE;
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//// vADCInit();
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// }
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// // send event to worker task, if all channels completed and no error
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// if( m_stADCData.u8Cannel == 0 && !boError )
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// {
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// // send event to tasks
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// for( U16 u16Cnt = 0; u16Cnt < NUMBER_OF_EVENT_CALLBACKS; u16Cnt++ )
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// {
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// if( m_apfnEventCallback[u16Cnt] != NULL )
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// {
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// m_apfnEventCallback[u16Cnt]( m_apvCallbackArgument[u16Cnt] );
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// }
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// }
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// }
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}
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}
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//-------------------------------------------------------------------------------------------------
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// Function: flConvertADCData
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// Description: Converts resistor value to temperature data
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// Parameters: U16 u16RTemp
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// Returns: U16, temperature in Celcius
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//-------------------------------------------------------------------------------------------------
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PRIVATE FLOAT flConvertADCData( U16 u16RTemp )
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{
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FLOAT u16R = u16RTemp / 8192.0f;
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FLOAT flT = 9.9714f * u16R;
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flT += 235.904f;
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flT *= u16R;
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flT += -245.876f;
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/*DOUBLE flZ1, flZ2, flZ3, flZ4, flRt, flTemp, flRpoly;
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flRt = u16RTemp;
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flRt /= 32768;
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flRt *= R_REF;
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flZ1 = -RTD_A;
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flZ2 = RTD_A * RTD_A - (4 * RTD_B);
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flZ3 = (4 * RTD_B) / R_NOMINAL;
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flZ4 = 2 * RTD_B;
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flTemp = flZ2 + (flZ3 * flRt);
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flTemp = (sqrt(flTemp) + flZ1) / flZ4;
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if (flTemp >= 0)
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return flTemp;
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// ugh.
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flRt /= R_NOMINAL;
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flRt *= 100; // normalize to 100 ohm
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flRpoly = flRt;
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flTemp = -242.02;
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flTemp += 2.2228 * flRpoly;
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flRpoly *= flRt; // square
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flTemp += 2.5859e-3 * flRpoly;
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flRpoly *= flRt; // ^3
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flTemp -= 4.8260e-6 * flRpoly;
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flRpoly *= flRt; // ^4
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flTemp -= 2.8183e-8 * flRpoly;
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flRpoly *= flRt; // ^5
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flTemp += 1.5243e-10 * flRpoly;*/
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return( flT );
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}
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