Pump speed decrease in case of high pressure

EnduranceTestBench/nehemis/analogMeasurement.c

@@ -60,7 +60,6 @@ void AnalogMeasurementReadData(uint32 channel_u32, uint32 *adcValue_pu32)
     {
     	return;  /* Prevent dereferencing NULL pointer */
     }
-    __disable_irq();
     switch (channel_u32)
     {
     	case PS1_ADC_CHANNEL: *adcValue_pu32 = adcBuffer_u32[0]; break;
@@ -76,7 +75,6 @@ void AnalogMeasurementReadData(uint32 channel_u32, uint32 *adcValue_pu32)
     	case FM4_ADC_CHANNEL: *adcValue_pu32 = adcBuffer_u32[8]; break;
     	default: *adcValue_pu32 = 0uL; break;
     }
-    __enable_irq();
 }
 
 /******************************************************************************

EnduranceTestBench/nehemis/grundfos.c

@@ -45,9 +45,9 @@ void GrundfosPmpEnable(uint8 state_u8)
 }
 
 
-uint32 GrundfosPmpFeedbackSpeed(uint8 channel_u8)
+uint32 GrundfosPmpFeedback(uint8 channel_u8)
 {
-	uint32 feedbackSpeed_u32 = (GrundfosPmpReadVoltage(channel_u8)) * 360uL;
+	uint32 feedbackSpeed_u32 = (GrundfosPmpReadVoltage(channel_u8)) * 360u;
 
 	return feedbackSpeed_u32;
 }
@@ -93,9 +93,10 @@ bool GrundfosPmpSetSpeed(float32 setSpeed_f32)
 static uint32 GrundfosPmpReadVoltage(uint8 channel_u8)
 {
 	/* Convert ADC value to voltage (assuming 12-bit resolution and 3.3V reference) */
+	float32 voltage_f32 = 0.0f;
 	uint32 adcVal_u32 = 0uL;
 	AnalogMeasurementReadData(channel_u8, &adcVal_u32);
-	float32 voltage_f32 = (float32)adcVal_u32 * (ANALOG_MEAS_ADC_REF_VOLTAGE / ANALOG_MEAS_ADC_RESOLUTION);
+	voltage_f32 = adcVal_u32 * (uint32)(ANALOG_MEAS_ADC_REF_VOLTAGE / ANALOG_MEAS_ADC_RESOLUTION);
 
 	return voltage_f32;
 }

EnduranceTestBench/nehemis/grundfos.h

@@ -34,7 +34,7 @@ typedef struct
 /******************************************************************************
  * Extern Function Declarations
  ******************************************************************************/
-uint32 GrundfosPmpFeedbackSpeed(uint8 channel_u8);
+uint32 GrundfosPmpFeedback(uint8 channel_u8);
 void GrundfosPmpEnable(uint8_t state_u8);
 bool GrundfosPmpSetSpeed(float setSpeed_f);
 #endif /* GRUNDFOS_H_ */

EnduranceTestBench/nehemis/pressureSensor.c

@@ -33,6 +33,7 @@ static float PressureSensorReadVoltage(uint32 channel_u32);
  ******************************************************************************/
 void PressureSensorInit(PressureSensorMain_st *pressureSensor_pst)
 {
+	pressureSensor_pst->rawT_f32 = 0.0f;
 	if (pressureSensor_pst == NULL)
 	{
 		/* ERROR */

EnduranceTestBench/nehemis/processBoard.c

@@ -30,19 +30,19 @@
 #define PROCESS_BOARD_VALVE_POS_INDEX				0x6002
 #define PROCESS_BOARD_VALVE_FLOW_INDEX				0x6006
 #define PROCESS_BOARD_VALVE_PRESSURE_INDEX			0x6001
-
 #define PROCESS_BOARD_VALVE_SUB_INDEX				0x0
 
 #define PU_CANOPEN_SLAVE_LINE						0u
 #define PU_CANOPEN_MASTER_LINE						1u
 
-
 #define PU_PUMP_SPEED_CHANGE_INTERVAL               900000uLL
 #define PU_PUMP_MAX_SPEED                           10u
 #define PU_PUMP_MIN_SPEED                           0u
-
 #define PU_PMP_ENABLE								1u
 #define PU_PMP_DISABLE								0u
+#define PU_PMP_RATED_SPEED							3500uL
+
+#define PU_MAX_PRESSURE								20u
 /******************************************************************************
  * Global variables
  ******************************************************************************/
@@ -114,6 +114,11 @@ void ProcessBoardInit(void)
 	FlowmeterInit(&flowmeterFM2_gst);
 	FlowmeterInit(&flowmeterFM3_gst);
 	FlowmeterInit(&flowmeterFM4_gst);
+
+	PressureSensorInit(&pressureSensorPS1_gst);
+	PressureSensorInit(&pressureSensorPS2_gst);
+	PressureSensorInit(&pressureSensorPS3_gst);
+	PressureSensorInit(&pressureSensorPS4_gst);
 }
 
 
@@ -189,7 +194,16 @@ static void ProcessBoardGrundfosPumpHandler(void)
 
     if ((currentTimeMs_u64 - startTime_u64) >= PU_PUMP_SPEED_CHANGE_INTERVAL)
     {
-        if (speed_u8 < PU_PUMP_MAX_SPEED)
+    	if (pressureSensorPS1_gst.rawT_f32 > PU_MAX_PRESSURE || pressureSensorPS2_gst.rawT_f32 > PU_MAX_PRESSURE ||
+    	    pressureSensorPS3_gst.rawT_f32 > PU_MAX_PRESSURE || pressureSensorPS4_gst.rawT_f32 > PU_MAX_PRESSURE)
+    	{
+    	    /* Decrease speed if pressure is too high */
+    	    if (speed_u8 > PU_PUMP_MIN_SPEED)
+    	    {
+    	        speed_u8 -= 2u;
+    	    }
+    	}
+    	else if (speed_u8 < PU_PUMP_MAX_SPEED)
         {
             speed_u8 += 2u;
         }
@@ -201,19 +215,19 @@ static void ProcessBoardGrundfosPumpHandler(void)
         GrundfosPmpSetSpeed(speed_u8);
 
         startTime_u64 = currentTimeMs_u64;
+    }
 
     /* Grundfos Pump feedback speed OUT */
-        pmpSpeed_u32 = GrundfosPmpFeedbackSpeed(PMP_ADC_CHANNEL);
+    pmpSpeed_u32 = GrundfosPmpFeedback(PMP_ADC_CHANNEL);
 
-        /* To be verified */
+    if (pmpSpeed_u32 > PU_PMP_RATED_SPEED)
-        if (pmpSpeed_u32 > PU_PUMP_MAX_SPEED)
     {
         GrundfosPmpEnable(PU_PMP_DISABLE);
     }
-    }
 }
 
 
+
 static void ProcessBoardTriggerMvPosCtrl(uint8 motorId_u8, uint8 posData_u8)
 {
 

EnduranceTestBench/scheduler/sdl.c

@@ -129,6 +129,7 @@ void SdlInit(void)
 {
 	testBenchStarted_b = false;
 	SdlInitCanopen();
+	ProcessBoardInit();
 }