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dalathegreat · Nov 20, 2023 · 42f79ca · 42f79ca
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diff --git a/Software/src/battery/BATTERIES.h b/Software/src/battery/BATTERIES.h
@@ -32,4 +32,9 @@
 #ifdef TEST_FAKE_BATTERY
 #include "TEST-FAKE-BATTERY.h"  //See this file for more Fake battery settings
 #endif
+
+#ifdef SERIAL_LINK_RECEIVER_FROM_BATTERY
+#include "SERIAL-LINK-RECEIVER-FROM-BATTERY.h"
+#endif
+
 #endif
diff --git a/Software/src/battery/SERIAL-LINK-RECEIVER-FROM-BATTERY.cpp b/Software/src/battery/SERIAL-LINK-RECEIVER-FROM-BATTERY.cpp
@@ -0,0 +1,86 @@
+// SERIAL-LINK-RECEIVER-FROM-BATTERY.cpp
+
+#include "SERIAL-LINK-RECEIVER-FROM-BATTERY.h"
+
+#define INVERTER_SEND_NUM_VARIABLES   3		//---  comment out if nothing to send
+#define INVERTER_RECV_NUM_VARIABLES   16
+
+#ifdef INVERTER_SEND_NUM_VARIABLES
+    const uint8_t sendingNumVariables = INVERTER_SEND_NUM_VARIABLES;
+#else
+    const uint8_t sendingNumVariables = 0;
+#endif
+
+//                                  txid,rxid,  num_send,num_recv
+SerialDataLink dataLinkReceive(Serial2, 0, 0x01, sendingNumVariables,
+                                                 INVERTER_RECV_NUM_VARIABLES); // ... 
+
+
+
+
+void __getData()
+{
+	SOC 						= (uint16_t) dataLinkReceive.getReceivedData(0);
+	StateOfHealth 			= (uint16_t) dataLinkReceive.getReceivedData(1);
+	battery_voltage 			= (uint16_t) dataLinkReceive.getReceivedData(2);
+	battery_current 			= (uint16_t) dataLinkReceive.getReceivedData(3);
+	capacity_Wh 				= (uint16_t) dataLinkReceive.getReceivedData(4);
+	remaining_capacity_Wh 	= (uint16_t) dataLinkReceive.getReceivedData(5);
+	max_target_discharge_power = (uint16_t) dataLinkReceive.getReceivedData(6);
+	max_target_charge_power 	= (uint16_t) dataLinkReceive.getReceivedData(7);
+	bms_status 				= (uint16_t) dataLinkReceive.getReceivedData(8);
+	bms_char_dis_status 		= (uint16_t) dataLinkReceive.getReceivedData(9);
+	stat_batt_power 			= (uint16_t) dataLinkReceive.getReceivedData(10);
+	temperature_min 			= (uint16_t) dataLinkReceive.getReceivedData(11);
+	temperature_max 			= (uint16_t) dataLinkReceive.getReceivedData(12);
+	cell_max_voltage 			= (uint16_t) dataLinkReceive.getReceivedData(13);
+	cell_min_voltage 			= (uint16_t) dataLinkReceive.getReceivedData(14);
+	batteryAllowsContactorClosing = (uint16_t) dataLinkReceive.getReceivedData(15);
+}
+
+void updateData()
+{
+	// --- update with fresh data
+	/*
+	dataLinkReceive.updateData(0,var1);
+	dataLinkReceive.updateData(1,var2);
+	dataLinkReceive.updateData(2,var3);
+	*/
+}
+
+
+/*
+*  @ 9600bps, assume void manageSerialLinkReceiver()
+*             is called every 1mS
+*/
+
+void manageSerialLinkReceiver()
+{
+	dataLinkReceive.run();
+	bool readError = dataLinkReceive.checkReadError(true); // check for error & clear error flag
+	if (dataLinkReceive.checkNewData(true)) 			   // true = clear Flag
+	{
+		__getData();
+	}
+
+
+
+	#ifdef INVERTER_SEND_NUM_VARIABLES
+		static bool  initLink=false;
+		static unsigned long updateTime = 0;
+		if (! initLink)
+		{
+			initLink = true;
+			// sends variables every 5000mS even if no change
+			dataLinkReceive.setUpdateInterval(5000); 
+		}
+		unsigned long currentTime = millis();
+		if (currentTime - updateTime > 100)
+		{
+			updateTime = currentTime;
+			dataLinkReceive.run();
+			bool sendError = dataLinkReceive.checkTransmissionError(true); // check for error & clear error flag
+			updateData();
+		}
+	#endif
+}
diff --git a/Software/src/battery/SERIAL-LINK-RECEIVER-FROM-BATTERY.h b/Software/src/battery/SERIAL-LINK-RECEIVER-FROM-BATTERY.h
@@ -0,0 +1,51 @@
+// SERIAL-LINK-RECEIVER-FROM-BATTERY.h
+
+#ifndef SERIAL_LINK_RECEIVER_FROM_BATTERY_H
+#define SERIAL_LINK_RECEIVER_FROM_BATTERY_H
+
+#include <Arduino.h>
+#include "../../USER_SETTINGS.h"
+#include "../lib/SerialDataLink/SerialDataLink.h"
+
+//  https://github.com/mackelec/SerialDataLink
+
+#define ABSOLUTE_MAX_VOLTAGE \
+  4040  // 404.4V,if battery voltage goes over this, charging is not possible (goes into forced discharge)
+#define ABSOLUTE_MIN_VOLTAGE 3100  // 310.0V if battery voltage goes under this, discharging further is disabled
+
+
+// These parameters need to be mapped for the inverter
+extern uint16_t SOC;                         //SOC%, 0-100.00 (0-10000)
+extern uint16_t StateOfHealth;               //SOH%, 0-100.00 (0-10000)
+extern uint16_t battery_voltage;             //V+1,  0-500.0 (0-5000)
+extern uint16_t battery_current;             //A+1,  Goes thru convert2unsignedint16 function (5.0A = 50, -5.0A = 65485)
+extern uint16_t capacity_Wh;                 //Wh,   0-60000
+extern uint16_t remaining_capacity_Wh;       //Wh,   0-60000
+extern uint16_t max_target_discharge_power;  //W,    0-60000
+extern uint16_t max_target_charge_power;     //W,    0-60000
+extern uint16_t bms_status;                  //Enum, 0-5
+extern uint16_t bms_char_dis_status;         //Enum, 0-2
+extern uint16_t stat_batt_power;             //W,    Goes thru convert2unsignedint16 function (5W = 5, -5W = 65530)
+extern uint16_t temperature_min;   //C+1,  Goes thru convert2unsignedint16 function (15.0C = 150, -15.0C =  65385)
+extern uint16_t temperature_max;   //C+1,  Goes thru convert2unsignedint16 function (15.0C = 150, -15.0C =  65385)
+extern uint16_t cell_max_voltage;  //mV,   0-4350
+extern uint16_t cell_min_voltage;  //mV,   0-4350
+extern bool batteryAllowsContactorClosing;  //Bool, 1=true, 0=false
+
+
+
+
+
+
+void manageSerialLinkReceiver();
+
+
+
+
+
+
+
+
+
+
+#endif