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Noah Piqué
395
Core/Drivers/ADCD_AdcDriver.c
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395
Core/Drivers/ADCD_AdcDriver.c
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//=================================================================================================
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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: ADC-Driver
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// Filename: ADCD_AdcDriver.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 internal ADC-Driver
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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 "ADCD_AdcDriver.h"
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// Drivers
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#include "SPID_SpiDriver.h"
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#include "DIPO_DigitalPorts.h"
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//#include "EXTI_ExtiHandler.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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// CMSIS OS
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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 commands
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#define CMD_READ (0<<7)
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#define CMD_WRITE (1<<7)
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// define register
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#define REG_CONFIG 0x00
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#define REG_RTD_MSB 0x01
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#define REG_RTD_LSB 0x02
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#define REG_HIGH_FAULT_MSB 0x03
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#define REG_HIGH_FAULT_LSB 0x04
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#define REG_LOW_FAULT_MSB 0x05
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#define REG_LOW_FAULT_LSB 0x06
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#define REG_FAULT_STATUS 0x07
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#define CONFIG_VBIAS_ON (1<<7)
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#define CONFIG_VBIAS_OFF (0<<7)
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#define CONFIG_MODE_AUTO (1<<6)
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#define CONFIG_MODE_OFF (0<<6)
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#define CONFIG_1SHOT (1<<5)
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#define CONFIG_3WIRE (1<<4)
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#define CONFIG_24WIRE (0<<4)
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// Fault Detection not implemented yet
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#define CONFIG_FAULTSTATCLEAR (1<<1)
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#define CONFIG_FILT50HZ (1<<0)
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#define CONFIG_FILT60HZ (0<<0)
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#define FAULT_HIGHTHRESH 0x80
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#define FAULT_LOWTHRESH 0x40
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#define FAULT_REFINLOW 0x20
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#define FAULT_REFINHIGH 0x10
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#define FAULT_RTDINLOW 0x08
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#define FAULT_OVUV 0x04
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#define CONFIG (U8)(CONFIG_VBIAS_ON | CONFIG_MODE_OFF | CONFIG_24WIRE | CONFIG_FILT60HZ) // enable Vbias; autoconvert off; 4-wire; 60Hz;
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#define EVENT_ENABLE ((U32)(1<<0))
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#define EVENT_DISABLE ((U32)(1<<1))
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#define EVENT_INVERT ((U32)(1<<2))
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#define EVENT_EXT_SYNC_ENABLE ((U32)(1<<3))
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#define EVENT_NEW_SET_VALUE ((U32)(1<<4))
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#define EVENT_NEW_MODE ((U32)(1<<5))
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#define EVENT_DAC_START ((U32)(1<<6))
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#define EVENT_DAC_STOP ((U32)(1<<7))
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#define EVENT_ADC_DATA_READY ((U32)(1<<8))
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#define EVENT_RESET_DATA_COUNTER ((U32)(1<<9))
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#define EVENT_FLAGS_ALL ( EVENT_ENABLE | EVENT_DISABLE | EVENT_INVERT | \
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EVENT_EXT_SYNC_ENABLE | EVENT_NEW_SET_VALUE | EVENT_NEW_MODE | \
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EVENT_DAC_START | EVENT_DAC_STOP | EVENT_ADC_DATA_READY | \
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EVENT_RESET_DATA_COUNTER )
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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 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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"ADCD_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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// Data Ready Pin
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//LOCAL CONST GPIO_TypeDef* m_pstDataReadyPort = GPIOD;
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//LOCAL CONST U16 m_u16DataReadyPin = GPIO_PIN_8;
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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 U8 m_au8RxData[8];
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LOCAL U8 m_au8TxData[8];
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LOCAL osMutexId_t m_pstMutexID = NULL;
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LOCAL SPID_StHandle m_stSPIHandle =
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{
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SPID_eADC, // enSPI;
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0xFF, // enCS (0xFF = hardware chip select)
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m_au8TxData, // pu8TxBuf;
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m_au8RxData, // pu8RxBuf;
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0, // u16TransferSize;
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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 vAttachDataReadyISR ( VOID );
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//PRIVATE VOID vDeattachDataReadyISR ( VOID );
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PRIVATE BOOL boWriteReg( U8 u8Register, U16 u16Data, BOOL boIs16bit );
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PRIVATE BOOL boReadReg( U8 u8Register, PU16 pu16Data, BOOL boIs16bit );
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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: ADCD_boInitializeModule
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// Description: Initializes the ADC module
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// Parameters: None
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// Returns: BOOL TRUE, if initializaiton sucessful, otherwise FALSE
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//
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//-------------------------------------------------------------------------------------------------
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BOOL ADCD_boInitializeModule( VOID )
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{
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BOOL boOK = TRUE;
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U16 u16Data = 0;
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boOK &= ((m_pstMutexID = osMutexNew( &m_stMutexAttr )) == NULL) ? FALSE : TRUE;
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osMutexAcquire( m_pstMutexID, osWaitForever );
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DIPO_vSetOutput(DIPO_eCS_C);
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boOK &= boWriteReg(REG_CONFIG, (U16) CONFIG | CONFIG_FAULTSTATCLEAR, FALSE);
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DIPO_vResetOutput(DIPO_eCS_C);
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DIPO_vSetOutput(DIPO_eCS_H);
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boOK &= boWriteReg(REG_CONFIG, (U16) CONFIG | CONFIG_FAULTSTATCLEAR, FALSE);
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DIPO_vResetOutput(DIPO_eCS_H);
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osMutexRelease( m_pstMutexID );
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return( boOK );
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}
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//-------------------------------------------------------------------------------------------------
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// Function: ADCD_dReadData
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// Description: Reads the conversion data form the ADC
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// Parameters: PU8 pu8Error error
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// Returns: DOUBLE conversion data
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//
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//-------------------------------------------------------------------------------------------------
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BOOL ADCD_dReadData(ADCD_EnTemps eChannel, PU8 pu8Error, PU16 pu16Data)
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{
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BOOL boOK = TRUE;
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*pu8Error = 0; // reset error state
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U16 u16Data = 0;
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DIPO_EnDigitalOutput CS = DIPO_eCS_H;
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if(eChannel == ADCD_eHot)CS = DIPO_eCS_H;
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else if (eChannel == ADCD_eCold)CS = DIPO_eCS_C;
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osMutexAcquire( m_pstMutexID, osWaitForever );
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DIPO_vSetOutput(CS);
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boOK &= boWriteReg(REG_CONFIG, CONFIG | CONFIG_1SHOT , FALSE);
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DIPO_vResetOutput(CS);
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osMutexRelease( m_pstMutexID );
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osDelay(55);
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osMutexAcquire( m_pstMutexID, osWaitForever );
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DIPO_vSetOutput(CS);
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boOK &= boReadReg(REG_RTD_MSB, &u16Data, TRUE);
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DIPO_vResetOutput(CS);
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osMutexRelease( m_pstMutexID );
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if( !boOK )
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{
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*pu8Error |= ADCD_SPI_FAILURE;
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return 0;
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}
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if((u16Data & 0x01) == 0x01)
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{
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*pu8Error |= ADCD_STATUS_DATA_ERROR;
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osMutexAcquire( m_pstMutexID, osWaitForever );
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DIPO_vSetOutput(CS);
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boOK &= boReadReg(REG_FAULT_STATUS, &u16Data, FALSE);
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DIPO_vResetOutput(CS);
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osMutexRelease( m_pstMutexID );
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//boWriteReg(REG_CONFIG, (U16) CONFIG | CONFIG_FAULTSTATCLEAR, FALSE);
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*pu8Error |= u16Data & 0xFC;
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return 0;
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}
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u16Data = u16Data >> 1;
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*pu16Data = u16Data;
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return( boOK );
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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: boWriteReg
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// Description: Writes to the regiser
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// Parameters: U8 u8Register
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// U16 u16Data
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// BOOL boIs16bit TRUE, if Data is 16bit, FALSE, if Data is 8bit
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// Returns: BOOL TRUE, if successful, otherwise FALSE
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//-------------------------------------------------------------------------------------------------
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PRIVATE BOOL boWriteReg( U8 u8Register, U16 u16Data, BOOL boIs16bit )
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{
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BOOL boOK = TRUE;
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if(boIs16bit){
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m_au8TxData[0] = CMD_WRITE | u8Register;
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m_au8TxData[1] = (U8)(u16Data>>8);
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m_au8TxData[2] = (U8)u16Data;
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m_stSPIHandle.u16TransferSize = 3;
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boOK &= SPID_boSendReceive( &m_stSPIHandle );
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} else {
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m_au8TxData[0] = CMD_WRITE | u8Register;
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m_au8TxData[1] = (U8)u16Data;
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m_stSPIHandle.u16TransferSize = 2;
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boOK &= SPID_boSendReceive( &m_stSPIHandle );
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}
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return( boOK );
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}
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//-------------------------------------------------------------------------------------------------
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// Function: boReadReg
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// Description: Reads the regiser
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// Parameters: U8 u8Register
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// PU16 pu16Data
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// BOOL boIs16bit TRUE, if Data is 16bit, FALSE, if Data is 8bit
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// Returns: BOOL TRUE, if successful, otherwise FALSE
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//-------------------------------------------------------------------------------------------------
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PRIVATE BOOL boReadReg( U8 u8Register, PU16 pu16Data, BOOL boIs16bit )
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{
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BOOL boOK = TRUE;
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if(boIs16bit){
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m_au8TxData[0] = CMD_READ | u8Register;
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m_au8TxData[1] = 0;
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m_au8TxData[2] = 0;
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m_stSPIHandle.u16TransferSize = 3;
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boOK &= SPID_boSendReceive( &m_stSPIHandle );
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*pu16Data = ((U16)m_au8RxData[1]<<8) | ((U16)m_au8RxData[2]<<0);
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} else {
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m_au8TxData[0] = CMD_READ | u8Register;
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m_au8TxData[1] = 0;
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m_stSPIHandle.u16TransferSize = 2;
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boOK &= SPID_boSendReceive( &m_stSPIHandle );
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*pu16Data = (U16)m_au8RxData[1];
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}
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return( boOK );
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}
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//-------------------------------------------------------------------------------------------------
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// Function: vEventCallback
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// Description: Callback for events
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// Parameters: None
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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//PRIVATE VOID vEventCallback( PVOID pvData )
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//{
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// osEventFlagsSet( m_pstEventID, (U32)pvData );
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//}
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//-------------------------------------------------------------------------------------------------
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// Function: vAttachDataReadyISR
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// Description: Set Data Ready Pin Mode to ISR falling Edge
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// Parameters: None
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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//PRIVATE VOID vAttachDataReadyISR ( VOID )
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//{
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// GPIO_InitTypeDef GPIO_InitStruct = {0};
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// /*Configure GPIO pin : ADC_RDY_Pin */
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// GPIO_InitStruct.Pin = m_u16DataReadyPin;
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// GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
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// GPIO_InitStruct.Pull = GPIO_NOPULL;
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// HAL_GPIO_Init((GPIO_TypeDef*)m_pstDataReadyPort, &GPIO_InitStruct);
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//}
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//-------------------------------------------------------------------------------------------------
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// Function: vDeattachDataReadyISR
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// Description: Set Data Ready Pin Mode to Input
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// Parameters: None
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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//PRIVATE VOID vDeattachDataReadyISR ( VOID )
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//{
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//
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// HAL_GPIO_DeInit((GPIO_TypeDef*)m_pstDataReadyPort, m_u16DataReadyPin);
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//}
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