165 lines
6.5 KiB
C
165 lines
6.5 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 Output
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// Filename: ANPO_AnalogPortsOut.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 outputs 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 "ANPO_AnalogPortsOut.h"
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// Toolbox
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#include "../Toolbox/UTIL_Utility.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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//=================================================================================================
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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 VARIABLES
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// Description: Definition of local variables (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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//=================================================================================================
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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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U32 u32ConvertVoltagetoRaw( FLOAT Voltage );
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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 DAC_HandleTypeDef hdac1;
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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: ANPO_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 ANPO_boInitializeModule( VOID )
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{
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BOOL boOK = TRUE;
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boOK &= HAL_DAC_Start( &hdac1, DAC_CHANNEL_1 ) == HAL_OK ? TRUE : FALSE;
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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: ANPO_boSetVoltage
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// Description: Sets the DAC Output to a specific Voltage
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// Parameters: FLOAT Voltage
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// Returns: Boolean, TRUE if successful
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//-------------------------------------------------------------------------------------------------
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BOOL ANPO_boSetVoltage( FLOAT Voltage ){
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BOOL boOK = TRUE;
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U32 u32RawData = u32ConvertVoltagetoRaw( Voltage );
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boOK &= HAL_DAC_SetValue( &hdac1, DAC_CHANNEL_1, DAC_ALIGN_12B_R, u32RawData );
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return( boOK );
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}
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//-------------------------------------------------------------------------------------------------
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// Function: u32ConvertVoltagetoRaw
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// Description: Convert Voltage to Raw value for the DAC
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// Parameters: FLOAT Voltage
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// Returns: U32
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//-------------------------------------------------------------------------------------------------
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U32 u32ConvertVoltagetoRaw( FLOAT Voltage ){
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U32 RawData;
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RawData = Voltage * 4095 / 3.3;
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return RawData;
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}
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