pse unit struct

Core/Inc/PSE_unit.h

@@ -0,0 +1,31 @@
+/*
+ * PSE_unit.h
+ *
+ *  Created on: Aug 9, 2023
+ *      Author: leo
+ */
+
+#ifndef INC_PSE_UNIT_H_
+#define INC_PSE_UNIT_H_
+
+#include <stdint.h>
+
+typedef struct{
+  char name[16]; // brand / name
+  uint16_t diameter; // diameter (in µm)
+} pse_syringe;
+
+typedef enum {PORT_X, PORT_Y, PORT_Z, PORT_E} pse_ports;
+
+typedef struct{
+  uint8_t enabled;
+  pse_ports port; // physical port on which this unit is connected
+  uint32_t flow; // flow (in µL.min-1)
+  uint32_t volume; // current volume dispensed (in µL)
+  uint32_t set_volume; // volume to stop at (0 for no max)
+  pse_syringe* syringe; // associated syringe
+} pse_unit;
+
+void load_units(pse_unit* units, uint8_t unit_num);
+
+#endif 

Core/Inc/home_screen.h

@@ -8,6 +8,8 @@
 #ifndef INC_HOME_SCREEN_H_
 #define INC_HOME_SCREEN_H_
 
-void Home_Screen_Gen(void);
+#include "PSE_unit.h"
+
+void Home_Screen_Gen(pse_unit* units, uint8_t pse_unit_num);
 
 #endif /* INC_HOME_SCREEN_H_ */

Core/Src/PSE_unit.c

@@ -0,0 +1,21 @@
+/*
+ * PSE_unit.c
+ *
+ *  Created on: Aug 9, 2023
+ *      Author: leo
+ */
+
+#include "PSE_unit.h"
+
+// Dummy loading function until I decide between loading from SPIFlash or SD-MMC
+void load_units(pse_unit* units, uint8_t unit_num){
+  for(int i = 0; i < unit_num; i++){
+    units[i] = (pse_unit){
+      .enabled = i%2,
+      .port = i,
+      .flow = 1500,
+      .volume = 0,
+      .set_volume = 0,
+    };
+  }
+}

Core/Src/home_screen.c

@@ -5,17 +5,18 @@
  *      Author: leo
  */
 
+#include <stdint.h>
 #include <stdio.h>
 
 #include "lvgl.h"
 
-#define PSE_UNITS_NUM 4 // number of units (4 in our case, X, Y, Z and extr)
+#include "PSE_unit.h"
 
 static void run_handler(lv_event_t * e){
 	lv_event_code_t code = lv_event_get_code(e);
 
   if(code == LV_EVENT_VALUE_CHANGED) {
-		lv_obj_t* button = lv_event_get_target(e);
+		lv_obj_t* button = lv_event_get_current_target(e);
 		lv_obj_t* label = lv_obj_get_child(button, 0);
 		lv_state_t state = lv_obj_get_state(button);
 		if(state & LV_STATE_CHECKED){
@@ -30,7 +31,24 @@ static void run_handler(lv_event_t * e){
 static lv_coord_t units_col_dsc[] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
 static lv_coord_t units_row_dsc[] = {LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST};
 
-static lv_obj_t* PSE_unit_widget(lv_obj_t* parent){
+
+static void unit_widget_enabled_handler(lv_event_t * e){
+	lv_event_code_t code = lv_event_get_code(e);
+
+  if(code == LV_EVENT_VALUE_CHANGED) {
+		lv_obj_t* button = lv_event_get_current_target(e);
+		lv_obj_t* label = lv_obj_get_child(button, 0);
+		lv_state_t state = lv_obj_get_state(button);
+		if(state & LV_STATE_CHECKED){
+			lv_label_set_text(label, LV_SYMBOL_CLOSE);
+		}
+		else{
+			lv_label_set_text(label, LV_SYMBOL_OK);
+		}
+  }
+}
+
+static lv_obj_t* PSE_unit_widget(lv_obj_t* parent, pse_unit* pse_unit){
 	// The main container
 	lv_obj_t* cont = lv_obj_create(parent);
 	lv_obj_set_size(cont, lv_pct(24), lv_pct(100));
@@ -40,13 +58,13 @@ static lv_obj_t* PSE_unit_widget(lv_obj_t* parent){
 	lv_obj_t* flow = lv_label_create(cont);
 	lv_obj_set_width(flow, lv_pct(100));
 	lv_obj_set_flex_grow(flow, 1);
-	lv_label_set_text(flow, "-----.--\nuL/mn");
+	lv_label_set_text_fmt(flow, "%d.%d\nuL/mn", pse_unit->flow / 1000, pse_unit->flow % 1000);
 
 	// volume delivered readout
 	lv_obj_t* vol = lv_label_create(cont);
 	lv_obj_set_width(vol, lv_pct(100));
 	lv_obj_set_flex_grow(vol, 1);
-	lv_label_set_text(vol, "-----.--\nmL");
+	lv_label_set_text_fmt(vol, "%d.%d\nmL", pse_unit->volume / 1000, pse_unit->volume % 1000);
 
 	// home button
 	lv_obj_t* home = lv_btn_create(cont);
@@ -58,14 +76,20 @@ static lv_obj_t* PSE_unit_widget(lv_obj_t* parent){
 	// enabled button
 	lv_obj_t* enabled = lv_btn_create(cont);
 	lv_obj_t* enabled_label = lv_label_create(enabled);
+	lv_obj_set_width(enabled, lv_pct(100));
   lv_obj_add_flag(enabled, LV_OBJ_FLAG_CHECKABLE);
+	lv_obj_add_event_cb(enabled, unit_widget_enabled_handler, LV_EVENT_ALL, NULL);
 	lv_obj_set_flex_grow(enabled, 1);
 	lv_obj_center(enabled_label);
 	lv_label_set_text(enabled_label, LV_SYMBOL_OK);
+	if(!pse_unit->enabled){
+		lv_obj_add_state(enabled, LV_STATE_CHECKED);
+		lv_event_send(enabled, LV_EVENT_VALUE_CHANGED, NULL);
+	}
 	return cont;
 }
 
-void Home_Screen_Gen(void){
+void Home_Screen_Gen(pse_unit* pse_units, uint8_t pse_unit_num){
 	// Create a new screen
 	lv_obj_t* scr = lv_obj_create(NULL);
 
@@ -96,8 +120,8 @@ void Home_Screen_Gen(void){
 
 	lv_obj_set_grid_dsc_array(units_grid, units_col_dsc, units_row_dsc);
 
-	for(int i = 0; i < PSE_UNITS_NUM; i++){
-		lv_obj_t* obj = PSE_unit_widget(units_grid);
+	for(int i = 0; i < pse_unit_num; i++){
+		lv_obj_t* obj = PSE_unit_widget(units_grid, &pse_units[i]);
 		lv_obj_set_grid_cell(obj, LV_GRID_ALIGN_CENTER, i, 1, LV_GRID_ALIGN_CENTER, 0, 1);
 	}
 	

Core/Src/main.c

@@ -30,6 +30,7 @@
 #include "ADS7843.h"
 
 #include "home_screen.h"
+#include "PSE_unit.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -209,7 +210,9 @@ int main(void)
   // initialize the Touchscreen Driver
   ADS7843_Init(&Touch_Def);
 
-  Home_Screen_Gen();
+  pse_unit pse_units[PSE_UNITS_NUM];
+  load_units(pse_units, PSE_UNITS_NUM);
+  Home_Screen_Gen(pse_units, PSE_UNITS_NUM);
   /* USER CODE END 2 */
 
   /* Infinite loop */