280 lines
11 KiB
C
280 lines
11 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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#include "ANPI_AnalogPortsIn.h"
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#include "VARH_VariableHandler.h"
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#include "DIPO_DigitalPorts.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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#define REFRESH 50 // Refresh rate in ms
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#define EVENT_TIMER_UPDATE ((U32)(1 << 0))
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#define EVENT_FLAGS_ALL (EVENT_TIMER_UPDATE)
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#define OFFSET 20.088
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#define FACTOR 34.103448
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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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LOCAL osThreadId_t m_pstThreadID = NULL;
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LOCAL osTimerId_t m_pstUpdateTimer = NULL;
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LOCAL osEventFlagsId_t m_pstEventID = NULL;
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LOCAL FLOAT flVoltageActual = 0.0f;
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LOCAL FLOAT flVoltageSet = 0.0f;
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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 osThreadAttr_t stTaskAttribute =
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{
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"ANPO_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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LOCAL CONST osTimerAttr_t stTimerAttribute =
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{
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"ANPO_UpdateTimer", // name of the timer
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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 osEventFlagsAttr_t stEventAttribute =
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{
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"ANPO_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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//=================================================================================================
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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 flVoltage);
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BOOL boUpdateVoltage(VOID);
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PRIVATE VOID vTask(PVOID arg);
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PRIVATE VOID vEventCallback(PVOID pvData);
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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 &= ((m_pstThreadID = osThreadNew(vTask, NULL, &stTaskAttribute)) == NULL) ? FALSE : TRUE;
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boOK &= ((m_pstEventID = osEventFlagsNew(&stEventAttribute)) == NULL) ? FALSE : TRUE;
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boOK &= (m_pstUpdateTimer = osTimerNew(vEventCallback, osTimerPeriodic, (PVOID)EVENT_TIMER_UPDATE, &stTimerAttribute)) == NULL ? FALSE : TRUE;
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boOK &= HAL_DAC_Start(&hdac1, DAC_CHANNEL_1) == HAL_OK ? TRUE : FALSE;
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boOK &= (osTimerStart(m_pstUpdateTimer, REFRESH) == osOK) ? 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: vTask
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// Description: Task
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// Parameters: None
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// Returns: None
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//-------------------------------------------------------------------------------------------------
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VOID vTask(PVOID arg)
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{
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UNUSED(arg);
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U32 u32EventFlags = 0;
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while (TRUE)
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{
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u32EventFlags = osEventFlagsWait(m_pstEventID, EVENT_FLAGS_ALL, osFlagsWaitAny, osWaitForever);
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if (u32EventFlags & EVENT_TIMER_UPDATE)
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{
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boUpdateVoltage();
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// BOOL boPowerGood = DIPO_boGetInput(DIPO_ePG);
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/** @todo check power good pin */
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}
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}
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}
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//-------------------------------------------------------------------------------------------------
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// Function: ANPO_boSetVoltage
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// Description: Sets the Variable 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 flVoltage)
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{
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BOOL boOK = TRUE;
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flVoltageSet = flVoltage;
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boOK &= osEventFlagsSet(m_pstEventID, EVENT_TIMER_UPDATE) == osOK ? TRUE : FALSE;
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return (boOK);
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}
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//-------------------------------------------------------------------------------------------------
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// Function: boUpdateVoltage
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// Description: Updates the Voltage of the DAC Output with a ramp
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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 boUpdateVoltage(VOID)
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{
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BOOL boOK = TRUE;
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if (flVoltageActual < flVoltageSet)
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{
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flVoltageActual += 0.1;
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if (flVoltageActual > flVoltageSet)
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{
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flVoltageActual = flVoltageSet;
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}
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}
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else if (flVoltageActual > flVoltageSet)
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{
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flVoltageActual -= 0.1;
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if (flVoltageActual < flVoltageSet)
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{
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flVoltageActual = flVoltageSet;
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}
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}
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U32 u32RawData = u32ConvertVoltagetoRaw(flVoltageActual);
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boOK &= HAL_DAC_SetValue(&hdac1, DAC_CHANNEL_1, DAC_ALIGN_12B_R, u32RawData) == HAL_OK ? TRUE : FALSE;
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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 flVoltage)
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{
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U32 RawData;
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FLOAT flTempVoltage = (((FLOAT)flVoltage) + OFFSET) / FACTOR;
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RawData = flTempVoltage * 4095 / VARH_flGetVariableData(VARH_eRef_U);
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return RawData;
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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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