390 lines
15 KiB
C
390 lines
15 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: Analog Ports Input
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// Filename: ANPI_AnalogPortsIn.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 analog input ports
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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 "../PDEF_ProjectDefinitions.h"
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#include "ANPI_AnalogPortsIn.h"
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//Application
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//#include "../Application/ELOG_ErrorLogger.h"
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// Toolbox
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#include "../Toolbox/UTIL_Utility.h"
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#include "DIPO_DigitalPorts.h"
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// include STM32 drivers
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#include "stm32l4xx_hal.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 ADC_RES (4096) // ADC resolution: 12 bits
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#define NR_OF_ADCS 5 // number of internal adc channels
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// definitions of internal adc
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#define INT_ADC_REF_HI (3.3f) // HI int. reference voltage for conversion
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#define INT_ADC_REF_LO (0.0f) // LO int. reference voltage for conversion
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#define INT_ADC_REF (INT_ADC_REF_HI-INT_ADC_REF_LO)// int. reference voltage for conversion
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#define BUFFER_SIZE NR_OF_ADCS * 2
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#define BUFFER_HALF_SIZE NR_OF_ADCS
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#define ANPI_ADC_HALF_COMPLETE ((U32)1<<0)
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#define ANPI_ADC_FULL_COMPLETE ((U32)1<<1)
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#define ANPI_FLAGS_ALL ( ANPI_ADC_HALF_COMPLETE | ANPI_ADC_FULL_COMPLETE )
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#define OVERSAMPLING_DIVISOR 16.0f // calculated with parameters from hardware oversampling
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// 6 bits(64x) - 2 bit shift = 4bit -> 16x
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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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// the number of ADCs
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typedef enum
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{
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eADC1 = 0,
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eNumberOfADCs,
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} EnADC;
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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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typedef struct
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{
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ADC_TypeDef* pstADC;
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} StADCInit; // struct for internal ACD
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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 FLOAT m_aflValues[ANPI_eInNumberOfInputs]; // values
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LOCAL U16 m_au16ADCDataBuffer[eNumberOfADCs][BUFFER_SIZE];
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LOCAL U32 m_au32ADCRawData[eNumberOfADCs*NR_OF_ADCS] = {0}; // raw adc values
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LOCAL osThreadId_t m_pstThreadID = NULL;
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LOCAL osEventFlagsId_t m_pstEventID = NULL;
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LOCAL osMutexId_t m_pstMutexID = NULL;
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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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// conversion factors for the values
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// Order must fit enumeration "ANPI_EnAnalogInput"
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LOCAL CONST FLOAT m_aflConversionFactor[ANPI_eInNumberOfInputs] =
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{
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34.103f * 1.0f / ADC_RES * INT_ADC_REF, // 00 ANPI_eControlVoltage
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10.0f / ADC_RES * INT_ADC_REF, // 01 ANPI_eSupplyVoltage24V
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-(1.0f / (2.0f / 10.0f)) / ADC_RES * INT_ADC_REF, // 02 ANPI_eSupplyCurrent24V
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34.103f * 1.0f / ADC_RES * INT_ADC_REF, // 03 ANPI_eOutputVoltage
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(1.0f / (2.0f / 10.0f)) / ADC_RES * INT_ADC_REF, // 04 ANPI_eOutputCurrent
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};
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// offsets for the values before it gets multiplied
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// Order must fit enumeration "ANPI_EnAnalogInput"
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LOCAL CONST FLOAT m_aflOffset1[ANPI_eInNumberOfInputs] =
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{
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0.0f, // 00 ANPI_eControlVoltage
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0.0f, // 01 ANPI_eSupplyVoltage24V
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1.65f * ADC_RES / INT_ADC_REF, // 02 ANPI_eSupplyCurrent24V
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0.0f, // 03 ANPI_eOutputVoltage
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1.65f * ADC_RES / INT_ADC_REF, // 04 ANPI_eOutputCurrent
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};
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// offsets for the values after it gets multiplied
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// Order must fit enumeration "ANPI_EnAnalogInput"
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LOCAL CONST FLOAT m_aflOffset2[ANPI_eInNumberOfInputs] =
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{
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18.788f, // 00 ANPI_eControlVoltage
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0.0f, // 01 ANPI_eSupplyVoltage24V
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0.0f, // 02 ANPI_eSupplyCurrent24V
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18.788f, // 03 ANPI_eOutputVoltage
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0.0f, // 04 ANPI_eOutputCurrent
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};
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// initial values. Order must fit enumeration "ANPI_EnAnalogInput"
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LOCAL CONST FLOAT m_afInitValues[ANPI_eInNumberOfInputs] =
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{
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0.0f, // 00 ANPI_eControlVoltage
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0.0f, // 01 ANPI_eSupplyVoltage24V
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0.0f, // 02 ANPI_eSupplyCurrent24V
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0.0f, // 03 ANPI_eOutputVoltage
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0.0f, // 04 ANPI_eOutputCurrent
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};
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// configuration data for the ADC
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// order must fit enumeration EnADC
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LOCAL CONST StADCInit m_astADCInit[eNumberOfADCs] =
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{
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{ADC1}, // 00 eADC1
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};
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// inputs are connected to the following ADCs
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// ANPI_eControlVoltage ADC1, Channel 8
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// ANPI_eSupplyVoltage24V ADC1, Channel 6
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// ANPI_eSupplyCurrent24V ADC1, Channel 16
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// ANPI_eOutputVoltage ADC1, Channel 7
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// ANPI_eOutputCurrent ADC1, Channel 15
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LOCAL CONST osThreadAttr_t stTaskAttribute =
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{
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"ANPI_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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osPriorityBelowNormal, // 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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LOCAL CONST osEventFlagsAttr_t stEventAttribute =
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{
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"ANPI_Event_Flags", // name of the event flags
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0, // 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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};
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LOCAL CONST osMutexAttr_t m_stMutexAttr =
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{
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"ANPI_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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//=================================================================================================
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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 VOID ANPI_vTask( PVOID arg );
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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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extern ADC_HandleTypeDef hadc1;
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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: ANPI_boInitializeModule
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// Description: Initializes the module. Function must be called once immediately after power-up.
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// Parameters: None
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// Returns: Boolean TRUE if successful
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//-------------------------------------------------------------------------------------------------
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BOOL ANPI_boInitializeModule( VOID )
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{
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BOOL boOK = TRUE;
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// set the init values
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UTIL_vMemCopyU32( (PU32)m_afInitValues, (PU32)m_aflValues, sizeof(m_aflValues)/sizeof(FLOAT) );
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boOK &= ((m_pstThreadID = osThreadNew( ANPI_vTask, NULL, &stTaskAttribute )) == NULL ) ? FALSE : TRUE;
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boOK &= ((m_pstEventID = osEventFlagsNew( &stEventAttribute )) == 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: ANPI_vTask
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// Description: ANPI_vTask
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// Parameters: None
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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VOID ANPI_vTask( PVOID arg )
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{
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U32 u32Flags;
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U16 u16Offset;
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osDelay( 1 ); // Wait 1ms to have a Valid Value
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HAL_ADC_Start_DMA( &hadc1, (PU32)&m_au16ADCDataBuffer[eADC1][0], BUFFER_SIZE);
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while ( TRUE )
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{
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u32Flags = osEventFlagsWait( m_pstEventID, ANPI_FLAGS_ALL, osFlagsWaitAny, osWaitForever );
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if( u32Flags & ANPI_ADC_FULL_COMPLETE )
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{
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u16Offset = BUFFER_HALF_SIZE;
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}
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if( u32Flags & ANPI_ADC_HALF_COMPLETE )
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{
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u16Offset = 0;
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}
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// reset the sum for calculating the mean
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memset( m_au32ADCRawData, 0, sizeof(m_au32ADCRawData) );
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// ... multiply by the conversion factor and add the offset
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osMutexAcquire( m_pstMutexID, osWaitForever ); // aquire mutex
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// save the values in the buffer...
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for(U16 u16Cnt = 0; u16Cnt < BUFFER_HALF_SIZE; u16Cnt++ )
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{
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m_au32ADCRawData[ u16Cnt ] = m_au16ADCDataBuffer[eADC1][u16Cnt + u16Offset];
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}
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// ... multiply by the conversion factor and add the offset
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for(U16 u16Cnt = 0; u16Cnt < ANPI_eInNumberOfInputs; u16Cnt++ )
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{
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if(u16Cnt == ANPI_eOutputVoltage){
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m_aflValues[u16Cnt] = 0.0f;
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continue;
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}
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m_aflValues[u16Cnt] = ((((FLOAT)m_au32ADCRawData[u16Cnt] / OVERSAMPLING_DIVISOR) - (FLOAT)m_aflOffset1[u16Cnt] ) *
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(FLOAT)m_aflConversionFactor[u16Cnt]) - (FLOAT)m_aflOffset2[u16Cnt];
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}
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osMutexRelease( m_pstMutexID ); // release mutex
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}
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}
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//-------------------------------------------------------------------------------------------------
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// Function: HAL_ADC_ConvCpltCallback
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// Description: Handles the ADC interrupts
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// Parameters: None
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc)
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{
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osEventFlagsSet( m_pstEventID, ANPI_ADC_FULL_COMPLETE );
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}
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//-------------------------------------------------------------------------------------------------
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// Function: HAL_ADC_ConvHalfCpltCallback
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// Description: Handles the ADC interrupts
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// Parameters: None
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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void HAL_ADC_ConvHalfCpltCallback(ADC_HandleTypeDef* hadc)
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{
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osEventFlagsSet( m_pstEventID, ANPI_ADC_HALF_COMPLETE );
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}
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//-------------------------------------------------------------------------------------------------
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// Function: ANPI_flGetInputValue
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// Description: Gets the value of the analog input
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// Parameters: ANPI_EnAnalogInput enInput Analog input to read
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// Returns: FLOAT flValue Value from ADC in V
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//-------------------------------------------------------------------------------------------------
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FLOAT ANPI_flGetInputValue( ANPI_EnAnalogInput enInput )
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{
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osMutexAcquire( m_pstMutexID, osWaitForever ); // aquire mutex
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FLOAT flValue = m_aflValues[enInput];
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osMutexRelease( m_pstMutexID ); // release mutex
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return( flValue );
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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: HAL_ADC_ErrorCallback
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// Description: Error Callback for the ADC
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// Parameters: ADC_HandleTypeDef* hadc
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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void HAL_ADC_ErrorCallback( ADC_HandleTypeDef* hadc )
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{
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if( hadc->ErrorCode == HAL_ADC_ERROR_NONE )
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{
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}
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if( hadc->ErrorCode == HAL_ADC_ERROR_INTERNAL )
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{
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}
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if( hadc->ErrorCode == HAL_ADC_ERROR_OVR )
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{
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//ELOG_ADDLOG( ELOG_eADCOverrunError, NULL );
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}
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if( hadc->ErrorCode == HAL_ADC_ERROR_DMA )
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{
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// ELOG_ADDLOG( ELOG_eDMAHTransferError, NULL );
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}
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// check rx dma transfer error
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if( hadc->DMA_Handle->ErrorCode & HAL_DMA_ERROR_TE )
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{
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// ELOG_ADDLOG( ELOG_eDMAHTransferError, NULL );
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}
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}
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