Added chart data export as inverter.plot

SoC calculation now stores chart data as inverter.plot[] so it can be accessed at higher levels.

palm.py

@@ -549,14 +549,21 @@ def balance_loads():
             if ((stgs.pg.test_mode or stgs.pg.once_mode) and stgs.pg.loop_counter == 2) or \
                 stgs.pg.t_now_mins == (t_to_mins(stgs.GE.start_time) + 1438) % 1440:
                 # compute & set SoC target
-
                 try:
                     inverter.get_load_hist()
                     logger.info("Forecast weighting: "+ str(stgs.Solcast.weight))
                     inverter.set_mode(inverter.compute_tgt_soc(pv_forecast, stgs.Solcast.weight, True))
                 except Exception:
                     logger.error("Warning; unable to set SoC")
 
+                # Send plot data to logfile in CSV format
+                logger.info("SoC Chart Data - Start")
+                i = 0
+                while i < 5:
+                    logger.info(inverter.plot[i])
+                    i += 1
+                logger.info("SoC Chart Data - End")
+
                 # if running in once mode, quit after inverter SoC update
                 if stgs.pg.once_mode:
                     logger.info("PALM Once Mode complete. Exiting...")

palm_soc.py

@@ -117,4 +117,12 @@ def GivTCP_write_soc(cmd: str):
     logger.info("Forecast weighting: "+ str(PV_WEIGHT))
     GivTCP_write_soc(inverter.compute_tgt_soc(pv_forecast, PV_WEIGHT, True))
 
+    # Send plot data to logfile in CSV format
+    logger.info("SoC Chart Data - Start")
+    i = 0
+    while i < 5:
+        logger.info(inverter.plot[i])
+        i += 1
+    logger.info("SoC Chart Data - End")
+
 # End of main

palm_utils.py

@@ -90,6 +90,7 @@ def __init__(self):
         self.base_load = stgs.GE.base_load
         self.tgt_soc = 100
         self.cmd_list = stgs.GE_Command_list['data']
+        self.plot = [""] * 5
 
         logger.debug("Valid inverter commands:")
         for line in self.cmd_list:
@@ -385,12 +386,12 @@ def compute_tgt_soc(self, gen_fcast, weight: int, commit: bool) -> str:
         logger.info("{:<20} {:>10} {:>10} {:>10} {:>10}  {:>10} {:>10}".format("SoC Calc;",
             "Day", "Hour", "Charge", "Cons", "Gen", "SoC"))
 
-        # Array definition for export of SoC forecast in chart form
-        plot_x = []
-        plot_y1 = []
-        plot_y2 = []
-        plot_y3 = []
-        plot_y4 = []
+        # Definitions for export of SoC forecast in chart form
+        plot_x = ["Time"]
+        plot_y1 = ["Calculated SoC"]
+        plot_y2 = ["Adjusted SoC"]
+        plot_y3 = ["Max"]
+        plot_y4 = ["Reserve"]
 
         if stgs.GE.end_time != "":
             end_charge_period = int(stgs.GE.end_time[0:2]) * 2
@@ -484,21 +485,19 @@ def compute_tgt_soc(self, gen_fcast, weight: int, commit: bool) -> str:
             i = 0
             while i < 48:
                 if day == 1 and i == 0:
-                    diff = plot_y2[47] - plot_y1[48]
-                if plot_y1[day*48 + i] + diff > 100:  # Correct for SoC > 100%
+                    diff = plot_y2[48] - plot_y1[49]
+                if plot_y1[day*48 + i + 1] + diff > 100:  # Correct for SoC > 100%
                     diff = 100 - plot_y1[day*48 + i]
-                plot_y2.append(plot_y1[day*48 + i] + diff)
+                plot_y2.append(plot_y1[day*48 + i + 1] + diff)
                 i += 1
             day += 1
 
-        # Send plot data to logfile in CSV format
-        logger.info("SoC Chart Data")
-        logger.info("Time,"+ str(plot_x))
-        logger.info("Calculated SoC,"+ str(plot_y1))
-        logger.info("Adjusted SoC,"+ str(plot_y2))
-        logger.info("Max,"+ str(plot_y3))
-        logger.info("Reserve,"+ str(plot_y4))
-        logger.info("End of SoC Chart Data")
+        # Store plot data
+        self.plot[0] = str(plot_x)
+        self.plot[1] = str(plot_y1)
+        self.plot[2] = str(plot_y2)
+        self.plot[3] = str(plot_y3)
+        self.plot[4] = str(plot_y4)
 
         logger.info("{:<25} {:>10} {:>10} {:>10} {:>10} {:>10}".format("SoC Calc Summary;",
             "Max Charge", "Min Charge", "Max %", "Min %", "Target SoC"))