STM32L011K4 : Created display state machine.

SolderStationMk2_NucleoSTM32L011K4/Core/Inc/display.h

+/*
+ * display.h
+ *
+ *  Created on: 21 avr. 2023
+ *      Author: Flax
+ */
+
+#ifndef INC_DISPLAY_H_
+#define INC_DISPLAY_H_
+
+
+
+#endif /* INC_DISPLAY_H_ */

SolderStationMk2_NucleoSTM32L011K4/Core/Src/display.c

+/*
+ * display.c
+ *
+ *  Created on: 21 avr. 2023
+ *      Author: Flax
+ */
+
+

SolderStationMk2_NucleoSTM32L011K4/Core/Src/hmi.c

@@ -15,6 +15,17 @@
 #include "encoder.h"
 #include "register.h"
 
+// ==============
+// Local typedefs
+// ==============
+typedef enum {
+	HMI_DISPLAY_MODE_RESET,
+	HMI_DISPLAY_MODE_TEMP,
+	HMI_DISPLAY_MODE_SPT,
+	HMI_DISPLAY_MODE_ERR,
+	HMI_DISPLAY_MODE_STANDBY,
+}e_HMIDisplayModeType;
+
 // ===============
 // Local constants
 // ===============
@@ -23,6 +34,8 @@
 #define cHMIClicLongLength		200 	// Long clic length in number of cyclic task cycles
 #define cHMIClicFilter			10 		// Encoder switch debounce filter
 
+#define cHMIDisplaySPTTime		2000	// Timeout during which the set point is shown
+
 // ==========================
 // Local functions prototypes
 // ==========================
@@ -48,6 +61,11 @@ static uint8_t HMIInputEventQueueCurrentIndex_U8;
 static uint8_t HMIInputEventQueueWriteIndex_U8;
 static bool HMINewInputEventAvailable_B;
 
+// Display
+static e_HMIDisplayModeType display_mode_current_E;
+static e_HMIDisplayModeType display_mode_prev_E;
+static uint16_t display_spt_cnt_u16;
+
 // ===========================
 // Local functions definitions
 // ===========================
@@ -137,7 +155,117 @@ static void HmiGetInputs (void)
 
 static void HmiUpdateDisplay (void)
 {
+	e_HMIInputEventType evt;
 
+	// Display main state machine
+	switch(display_mode_current_E)
+	{
+	case HMI_DISPLAY_MODE_RESET:
+		display_mode_current_E = HMI_DISPLAY_MODE_STANDBY; // First state after reset is standby
+		break;
+	case HMI_DISPLAY_MODE_TEMP:
+		// Display actual tip temperature (stable)
+		display_spt_cnt_u16 = cHMIDisplaySPTTime;
+		/*if (REGIsStandby())
+		{
+			display_mode_current_E = HMI_DISPLAY_MODE_STANDBY;
+		}
+		else*/
+		if (HMIPopInputEvent(&evt))
+		{ // Get next input event
+			switch (evt)
+			{
+			case HMI_EVENT_INPUT_MOVE_RIGHT:
+			case HMI_EVENT_INPUT_MOVE_LEFT:
+				// Encoder movement : go to SPT display
+				display_mode_current_E = HMI_DISPLAY_MODE_SPT;
+				break;
+			case HMI_EVENT_INPUT_CLIC_SHORT:
+				// Switch to standby
+				// REGStandbySet();
+				break;
+			default:
+				break;
+			}
+		}
+		break;
+	case HMI_DISPLAY_MODE_SPT:
+		// Display set point (temporary)
+		if (HMIPopInputEvent(&evt))
+		{ // Get next input event
+			switch (evt)
+			{
+				case HMI_EVENT_INPUT_MOVE_RIGHT:
+				case HMI_EVENT_INPUT_MOVE_LEFT:
+					// Encoder movement : stay in SPT display
+					display_spt_cnt_u16 = cHMIDisplaySPTTime;
+					break;
+				case HMI_EVENT_INPUT_CLIC_SHORT:
+					// Switch to standby
+					// REGStandbySet();
+					break;
+				default:
+					break;
+			}
+		}
+		else if (display_spt_cnt_u16 > 0U)
+		{ // increment timeout counter
+			display_spt_cnt_u16--;
+		}
+		else
+		{ // Timeout elapsed
+			/*if (REGIsStandby())
+			{ // Go back to standby
+				display_mode_current_E = HMI_DISPLAY_MODE_STANDBY;
+			}
+			else
+			{ // Go back to temperature display*/
+				display_mode_current_E = HMI_DISPLAY_MODE_TEMP;
+			/*}*/
+		}
+		break;
+	case HMI_DISPLAY_MODE_ERR:
+		// Error present
+		/*if (REGIsError())
+		{*/
+			if (HMIPopInputEvent(&evt))
+			{ // Get next input event
+				if (evt == HMI_EVENT_INPUT_CLIC_LONG)
+				{ // Long clic to reset error
+					// REGErrorReset(); // Try to reset error
+				}
+			}
+		/*}
+		else
+		{ // If no error is present, go back to standby
+			display_mode_current_E = HMI_DISPLAY_MODE_STANDBY;
+		}*/
+		break;
+	case HMI_DISPLAY_MODE_STANDBY:
+		// Standby
+		if (HMIPopInputEvent(&evt))
+		{ // Get next input event
+			switch (evt)
+			{
+			case HMI_EVENT_INPUT_MOVE_RIGHT:
+			case HMI_EVENT_INPUT_MOVE_LEFT:
+				// Encoder movement : go to SPT display
+				display_mode_current_E = HMI_DISPLAY_MODE_SPT;
+				break;
+			case HMI_EVENT_INPUT_CLIC_SHORT:
+				// Switch to standby
+				// REGStandbySet();
+				break;
+			default:
+				break;
+			}
+		}
+		break;
+	default:
+		break;
+	}
+
+	display_mode_prev_E = display_mode_current_E;
 }
 
 static void HmiSetOutputs (void)
@@ -173,7 +301,9 @@ static bool HmiPushInputEvent (e_HMIInputEventType *evt)
 
 void HMIInit (void)
 {
-
+	display_mode_prev_E = HMI_DISPLAY_MODE_RESET;
+	display_mode_current_E = HMI_DISPLAY_MODE_RESET;
+	display_spt_cnt_u16 = cHMIDisplaySPTTime;
 }
 
 void HMIStart (void)