mirror of
https://github.com/dalathegreat/Battery-Emulator.git
synced 2025-10-06 03:50:13 +02:00
Final fixes from andy
This commit is contained in:
Daniel
parent
ca21dae6ba
commit
90bb3fe843
7 changed files with 435 additions and 241 deletions
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@ -14,11 +14,13 @@
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#include "src/lib/miwagner-ESP32-Arduino-CAN/CAN_config.h"
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#include "src/lib/miwagner-ESP32-Arduino-CAN/ESP32CAN.h"
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#ifdef WEBSERVER
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#include "src/devboard/webserver/webserver.h"
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#endif
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// Interval settings
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int intervalUpdateValues = 4800; // Interval at which to update inverter values / Modbus registers
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const int interval1 = 1; // Interval for 1ms tasks
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const int interval10 = 10; // Interval for 10ms tasks
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unsigned long previousMillis1ms = 0;
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unsigned long previousMillis10ms = 50;
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unsigned long previousMillisUpdateVal = 0;
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@ -38,7 +40,7 @@ static ACAN2515_Buffer16 gBuffer;
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#define MB_RTU_NUM_VALUES 30000
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#endif
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#if defined(LUNA2000_MODBUS)
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#define MB_RTU_NUM_VALUES 50000
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#define MB_RTU_NUM_VALUES 30000
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#endif
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#if defined(BYD_MODBUS) || defined(LUNA2000_MODBUS)
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uint16_t mbPV[MB_RTU_NUM_VALUES]; // Process variable memory
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@ -75,6 +77,7 @@ uint16_t bms_status = ACTIVE; // ACTIVE - [0..5]<>[STANDBY,INACTIVE,DARKSTA
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uint16_t stat_batt_power = 0; // Power going in/out of battery
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uint16_t cell_max_voltage = 3700; // Stores the highest cell voltage value in the system
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uint16_t cell_min_voltage = 3700; // Stores the minimum cell voltage value in the system
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bool LFP_Chemistry = false;
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// LED parameters
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Adafruit_NeoPixel pixels(1, WS2812_PIN, NEO_GRB + NEO_KHZ800);
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@ -104,12 +107,16 @@ unsigned long negativeStartTime = 0;
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unsigned long timeSpentInFaultedMode = 0;
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#endif
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bool batteryAllowsContactorClosing = false;
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bool inverterAllowsContactorClosing = false;
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bool inverterAllowsContactorClosing = true;
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// Initialization
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void setup() {
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init_serial();
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#ifdef WEBSERVER
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init_webserver();
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#endif
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init_CAN();
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init_LED();
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@ -117,6 +124,7 @@ void setup() {
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init_contactors();
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init_modbus();
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init_serialDataLink();
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inform_user_on_inverter();
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@ -125,14 +133,18 @@ void setup() {
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// Perform main program functions
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void loop() {
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runSerialDataLink();
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#ifdef WEBSERVER
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// Over-the-air updates by ElegantOTA
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ElegantOTA.loop();
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#endif
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// Input
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receive_can(); // Receive CAN messages. Runs as fast as possible
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#ifdef DUAL_CAN
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receive_can2();
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#endif
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#ifdef SERIAL_LINK_RECEIVER
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receive_serial();
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#endif
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// Process
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if (millis() - previousMillis10ms >= interval10) // Every 10ms
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@ -155,9 +167,6 @@ void loop() {
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#ifdef DUAL_CAN
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send_can2();
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#endif
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#ifdef SERIAL_LINK_TRANSMITTER
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send_serial();
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#endif
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}
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// Initialization functions
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@ -225,13 +234,6 @@ void init_modbus() {
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pinMode(PIN_5V_EN, OUTPUT);
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digitalWrite(PIN_5V_EN, HIGH);
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#if defined(SERIAL_LINK_RECEIVER) || defined(SERIAL_LINK_TRANSMITTER)
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Serial2.begin(9600, SERIAL_8N1, RS485_RX_PIN, RS485_TX_PIN); // If the Modbus RTU port will be used for serial link
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#if defined(BYD_MODBUS) || defined(LUNA2000_MODBUS)
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#error Modbus pins cannot be used for Serial and Modbus at the same time!
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#endif
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#endif
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#ifdef BYD_MODBUS
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// Init Static data to the RTU Modbus
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handle_static_data_modbus_byd();
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@ -254,36 +256,24 @@ void inform_user_on_inverter() {
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// Inform user what Inverter is used
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#ifdef BYD_CAN
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Serial.println("BYD CAN protocol selected");
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bool inverterAllowsContactorClosing =
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true; // The inverter does not care when contactors are actuated, OK to start with them ON
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#endif
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#ifdef BYD_MODBUS
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Serial.println("BYD Modbus RTU protocol selected");
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bool inverterAllowsContactorClosing =
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true; // The inverter does not care when contactors are actuated, OK to start with them ON
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#endif
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#ifdef LUNA2000_MODBUS
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Serial.println("Luna2000 Modbus RTU protocol selected");
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bool inverterAllowsContactorClosing =
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true; // The inverter does not care when contactors are actuated, OK to start with them ON
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#endif
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#ifdef PYLON_CAN
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Serial.println("PYLON CAN protocol selected");
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bool inverterAllowsContactorClosing =
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true; // The inverter does not care when contactors are actuated, OK to start with them ON
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#endif
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#ifdef SMA_CAN
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Serial.println("SMA CAN protocol selected");
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bool inverterAllowsContactorClosing =
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true; // The inverter does not care when contactors are actuated, OK to start with them ON
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#endif
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#ifdef SOFAR_CAN
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Serial.println("SOFAR CAN protocol selected");
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bool inverterAllowsContactorClosing =
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true; // The inverter does not care when contactors are actuated, OK to start with them ON
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#endif
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#ifdef SOLAX_CAN
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inverterAllowsContactorClosing = false; // The inverter needs to allow first on this protocol!
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inverterAllowsContactorClosing = false; // The inverter needs to allow first on this protocol
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intervalUpdateValues = 800; // This protocol also requires the values to be updated faster
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Serial.println("SOLAX CAN protocol selected");
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#endif
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@ -315,6 +305,9 @@ void inform_user_on_battery() {
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#ifdef TEST_FAKE_BATTERY
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Serial.println("Test mode with fake battery selected");
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#endif
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#ifdef SERIAL_LINK_RECEIVER
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Serial.println("SERIAL_DATA_LINK_RECEIVER selected");
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#endif
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#if !defined(ABSOLUTE_MAX_VOLTAGE)
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#error No battery selected! Choose one from the USER_SETTINGS.h file
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#endif
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@ -413,30 +406,6 @@ void send_can() {
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#endif
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}
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#ifdef SERIAL_LINK_RECEIVER
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//---- Receives serial data and transfers to the Inverter
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void receive_serial() {
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unsigned long currentMillis = millis();
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if (currentMillis - previousMillis1ms >= interval1) { //--- try 2 second
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previousMillis1ms = currentMillis;
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manageSerialLinkReceiver();
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}
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}
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#endif
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#ifdef SERIAL_LINK_TRANSMITTER
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//---- Gets data from Battery and serial Transmits the data to the Receiver
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void send_serial() {
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unsigned long currentMillis = millis();
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if (bms_status == ACTIVE) {
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if (currentMillis - previousMillis1ms >= interval1) { //--- try 2 second
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previousMillis1ms = currentMillis;
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manageSerialLinkTransmitter();
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}
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}
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}
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#endif
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#ifdef DUAL_CAN
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void receive_can2() { // This function is similar to receive_can, but just takes care of inverters in the 2nd bus.
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// Depending on which inverter is selected, we forward this to their respective CAN routines
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@ -647,10 +616,34 @@ void update_values() {
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#ifdef SMA_CAN
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update_values_can_sma();
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#endif
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#ifdef SOFAR_CAN
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update_values_can_sofar();
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#endif
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#ifdef SOLAX_CAN
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update_values_can_solax();
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#endif
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}
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void runSerialDataLink() {
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static unsigned long sdlTimer = 0;
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unsigned long currentMillis = millis();
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#ifdef SERIAL_LINK_RECEIVER
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update_values_serial_link();
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if (currentMillis - sdlTimer >= 1) { //--- try 2 second
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sdlTimer = currentMillis;
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manageSerialLinkReceiver();
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}
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#endif
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#ifdef SERIAL_LINK_TRANSMITTER
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if (currentMillis - sdlTimer >= 1) { //--- try 2 second
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sdlTimer = currentMillis;
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manageSerialLinkTransmitter();
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}
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#endif
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}
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void init_serialDataLink() {
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#if defined(SERIAL_LINK_RECEIVER) || defined(SERIAL_LINK_TRANSMITTER)
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Serial2.begin(9600, SERIAL_8N1, RS485_RX_PIN, RS485_TX_PIN);
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#endif
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}
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@ -11,10 +11,22 @@ const uint8_t sendingNumVariables = INVERTER_SEND_NUM_VARIABLES;
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const uint8_t sendingNumVariables = 0;
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#endif
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#ifdef TESTBENCH
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// In the testbench environment, the receiver uses Serial3
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#define SerialReceiver Serial3
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#else
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// In the production environment, the receiver uses Serial2
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#define SerialReceiver Serial2
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#endif
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#define REPORT_SDL_DATA 1
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// txid,rxid, num_send,num_recv
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SerialDataLink dataLinkReceive(Serial2, 0, 0x01, sendingNumVariables,
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SerialDataLink dataLinkReceive(SerialReceiver, 0, 0x01, sendingNumVariables,
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INVERTER_RECV_NUM_VARIABLES); // ...
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static bool batteryFault = false; // used locally - mainly to indicate Battery CAN failure
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void __getData() {
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SOC = (uint16_t)dataLinkReceive.getReceivedData(0);
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StateOfHealth = (uint16_t)dataLinkReceive.getReceivedData(1);
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@ -24,14 +36,20 @@ void __getData() {
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remaining_capacity_Wh = (uint16_t)dataLinkReceive.getReceivedData(5);
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max_target_discharge_power = (uint16_t)dataLinkReceive.getReceivedData(6);
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max_target_charge_power = (uint16_t)dataLinkReceive.getReceivedData(7);
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bms_status = (uint16_t)dataLinkReceive.getReceivedData(8);
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uint16_t _bms_status = (uint16_t)dataLinkReceive.getReceivedData(8);
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bms_status = _bms_status;
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bms_char_dis_status = (uint16_t)dataLinkReceive.getReceivedData(9);
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stat_batt_power = (uint16_t)dataLinkReceive.getReceivedData(10);
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temperature_min = (uint16_t)dataLinkReceive.getReceivedData(11);
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temperature_max = (uint16_t)dataLinkReceive.getReceivedData(12);
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cell_max_voltage = (uint16_t)dataLinkReceive.getReceivedData(13);
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cell_min_voltage = (uint16_t)dataLinkReceive.getReceivedData(14);
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batteryAllowsContactorClosing = (uint16_t)dataLinkReceive.getReceivedData(15);
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LFP_Chemistry = (bool)dataLinkReceive.getReceivedData(15);
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batteryAllowsContactorClosing = (uint16_t)dataLinkReceive.getReceivedData(16);
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batteryFault = false;
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if (_bms_status == FAULT)
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batteryFault = true;
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}
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void updateData() {
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@ -47,13 +65,16 @@ void updateData() {
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*/
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void manageSerialLinkReceiver() {
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static bool lasterror = false;
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static unsigned long last_minutesLost = 0;
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static unsigned long lastGood;
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static uint16_t lastGoodMaxCharge;
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static uint16_t lastGoodMaxDischarge;
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static bool initLink = false;
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static unsigned long reportTime = 0;
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static uint16_t reads = 0;
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static uint16_t errors = 0;
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unsigned long currentTime = millis();
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if (!initLink) {
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@ -71,20 +92,25 @@ void manageSerialLinkReceiver() {
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Serial.print(currentTime);
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Serial.println(" - ERROR: SerialDataLink - Read Error");
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lasterror = true;
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} else {
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errors++;
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}
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if (dataLinkReceive.checkNewData(true)) // true = clear Flag
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{
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__getData();
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reads++;
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lastGoodMaxCharge = max_target_charge_power;
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lastGoodMaxDischarge = max_target_discharge_power;
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//--- if BatteryFault then assume Data is stale
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if (!batteryFault)
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lastGood = currentTime;
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//bms_status = ACTIVE; // just testing
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if (lasterror) {
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lasterror = false;
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Serial.print(currentTime);
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Serial.println(" - RECOVERY: SerialDataLink - Read GOOD");
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}
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}
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if (dataLinkReceive.checkNewData(true)) // true = clear Flag
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{
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__getData();
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lastGoodMaxCharge = max_target_charge_power;
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lastGoodMaxDischarge = max_target_discharge_power;
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lastGood = currentTime;
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}
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unsigned long minutesLost = (currentTime - lastGood) / 60000UL;
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if (minutesLost > 0 && lastGood > 0) {
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@ -93,6 +119,7 @@ void manageSerialLinkReceiver() {
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max_target_charge_power = (lastGoodMaxCharge * (4 - minutesLost)) / 4;
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max_target_discharge_power = (lastGoodMaxDischarge * (4 - minutesLost)) / 4;
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} else {
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// Times Up -
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max_target_charge_power = 0;
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max_target_discharge_power = 0;
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bms_status = 4; //Fault state
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@ -103,7 +130,11 @@ void manageSerialLinkReceiver() {
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if (minutesLost != last_minutesLost) {
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last_minutesLost = minutesLost;
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Serial.print(currentTime);
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if (batteryFault) {
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Serial.print("Battery Fault (minutes) : ");
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} else {
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Serial.print(" - Minutes without data : ");
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}
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Serial.print(minutesLost);
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Serial.print(", max Charge = ");
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Serial.print(max_target_charge_power);
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@ -112,6 +143,24 @@ void manageSerialLinkReceiver() {
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}
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}
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if (currentTime - reportTime > 59999) {
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reportTime = currentTime;
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Serial.print(currentTime);
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Serial.print(" SerialDataLink-Receiver - NewData :");
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Serial.print(reads);
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Serial.print(" Errors : ");
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Serial.println(errors);
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reads = 0;
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errors = 0;
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// --- printUsefullData();
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//Serial.print("SOC = ");
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//Serial.println(SOC);
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#ifdef REPORT_SDL_DATA
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update_values_serial_link();
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#endif
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}
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static unsigned long updateTime = 0;
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#ifdef INVERTER_SEND_NUM_VARIABLES
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@ -156,8 +205,12 @@ void update_values_serial_link() {
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Serial.print(cell_max_voltage);
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Serial.print(" Cell min: ");
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Serial.print(cell_min_voltage);
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Serial.print(" LFP : ");
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Serial.print(LFP_Chemistry);
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Serial.print(" batteryAllowsContactorClosing: ");
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Serial.print(batteryAllowsContactorClosing);
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Serial.print(" inverterAllowsContactorClosing: ");
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Serial.print(inverterAllowsContactorClosing);
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Serial.println("");
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}
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@ -31,9 +31,23 @@ extern uint16_t temperature_max; //C+1, Goes thru convert2unsignedint16 funct
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extern uint16_t cell_max_voltage; //mV, 0-4350
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extern uint16_t cell_min_voltage; //mV, 0-4350
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extern uint8_t LEDcolor; //Enum, 0-10
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extern bool LFP_Chemistry;
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extern uint16_t CANerror;
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extern bool batteryAllowsContactorClosing; //Bool, 1=true, 0=false
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// Parameters to send to the transmitter
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extern bool inverterAllowsContactorClosing; //Bool, 1=true, 0=false
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// Definitions for bms_status
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#define STANDBY 0
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#define INACTIVE 1
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#define DARKSTART 2
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#define ACTIVE 3
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#define FAULT 4
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#define UPDATING 5
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void manageSerialLinkReceiver();
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void update_values_serial_link();
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@ -8,7 +8,7 @@
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* Will transmit max 16 int variable - receive none
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*/
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#define BATTERY_SEND_NUM_VARIABLES 16
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#define BATTERY_SEND_NUM_VARIABLES 17
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#define BATTERY_RECV_NUM_VARIABLES 1
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#ifdef BATTERY_RECV_NUM_VARIABLES
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@ -17,9 +17,13 @@ const uint8_t receivingNumVariables = BATTERY_RECV_NUM_VARIABLES;
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const uint8_t receivingNumVariables = 0;
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#endif
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//#define REPORT_SDL_DATA 1
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// txid,rxid,num_tx,num_rx
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SerialDataLink dataLinkTransmit(Serial2, 0x01, 0, BATTERY_SEND_NUM_VARIABLES, receivingNumVariables);
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void printSendingValues();
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void _getData() {
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inverterAllowsContactorClosing = dataLinkTransmit.getReceivedData(0);
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//var2 = dataLinkTransmit.getReceivedData(1);
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@ -30,8 +34,9 @@ void manageSerialLinkTransmitter() {
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static bool initLink = false;
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static unsigned long updateTime = 0;
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static bool lasterror = false;
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static unsigned long lastNoError = 0;
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//static unsigned long lastNoError = 0;
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static unsigned long transmitGoodSince = 0;
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static unsigned long lastGood = 0;
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unsigned long currentTime = millis();
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@ -49,8 +54,9 @@ void manageSerialLinkTransmitter() {
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updateTime = currentTime;
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if (!initLink) {
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initLink = true;
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transmitGoodSince = currentTime;
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// sends variables every 5000mS even if no change
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dataLinkTransmit.setUpdateInterval(5000);
|
||||
dataLinkTransmit.setUpdateInterval(10000);
|
||||
}
|
||||
bool sendError = dataLinkTransmit.checkTransmissionError(true);
|
||||
if (sendError) {
|
||||
|
|
@ -58,27 +64,51 @@ void manageSerialLinkTransmitter() {
|
|||
Serial.println(" - ERROR: Serial Data Link - SEND Error");
|
||||
lasterror = true;
|
||||
transmitGoodSince = currentTime;
|
||||
} else {
|
||||
if (lasterror) {
|
||||
}
|
||||
|
||||
/* new feature */
|
||||
/* @getLastAcknowledge(bool resetFlag)
|
||||
* - returns:
|
||||
* -2 NACK received from receiver
|
||||
* -1 no ACK received
|
||||
* 0 no activity
|
||||
* 1 ACK received
|
||||
* resetFlag = true will clear to 0
|
||||
*/
|
||||
|
||||
int ackReceived = dataLinkTransmit.getLastAcknowledge(true);
|
||||
if (ackReceived > 0)
|
||||
lastGood = currentTime;
|
||||
|
||||
if (lasterror && (ackReceived > 0)) {
|
||||
lasterror = false;
|
||||
Serial.print(currentTime);
|
||||
Serial.println(" - RECOVERY: Serial Data Link - Send GOOD");
|
||||
}
|
||||
lastNoError = currentTime;
|
||||
}
|
||||
|
||||
//--- reporting every 60 seconds that transmission is good
|
||||
if (currentTime - transmitGoodSince > 60000) {
|
||||
transmitGoodSince = currentTime;
|
||||
Serial.print(currentTime);
|
||||
Serial.println(" - Transmit Good");
|
||||
// printUsefullData();
|
||||
#ifdef REPORT_SDL_DATA
|
||||
void printSendingValues();
|
||||
#endif
|
||||
}
|
||||
|
||||
//--- report that Errors been ocurring for > 60 seconds
|
||||
if (currentTime - lastNoError > 60000) // 60 seconds
|
||||
if (currentTime - lastGood > 60000) // 60 seconds
|
||||
{
|
||||
lastGood = currentTime;
|
||||
Serial.print(currentTime);
|
||||
Serial.println(" - Transmit Failed : 60 seconds");
|
||||
// print the max_ data
|
||||
Serial.println("SerialDataLink : bms_status=4");
|
||||
Serial.println("SerialDataLink : LEDcolor = RED");
|
||||
Serial.println("SerialDataLink : max_target_discharge_power = 0");
|
||||
Serial.println("SerialDataLink : max_target_charge_power = 0");
|
||||
|
||||
bms_status = 4; //FAULT
|
||||
max_target_discharge_power = 0;
|
||||
max_target_charge_power = 0;
|
||||
|
|
@ -97,6 +127,10 @@ void manageSerialLinkTransmitter() {
|
|||
}
|
||||
*/
|
||||
|
||||
static unsigned long updateDataTime = 0;
|
||||
|
||||
if (currentTime - updateDataTime > 999) {
|
||||
updateDataTime = currentTime;
|
||||
dataLinkTransmit.updateData(0, SOC);
|
||||
dataLinkTransmit.updateData(1, StateOfHealth);
|
||||
dataLinkTransmit.updateData(2, battery_voltage);
|
||||
|
|
@ -112,6 +146,50 @@ void manageSerialLinkTransmitter() {
|
|||
dataLinkTransmit.updateData(12, temperature_max);
|
||||
dataLinkTransmit.updateData(13, cell_max_voltage);
|
||||
dataLinkTransmit.updateData(14, cell_min_voltage);
|
||||
dataLinkTransmit.updateData(15, batteryAllowsContactorClosing);
|
||||
dataLinkTransmit.updateData(15, (int16_t)LFP_Chemistry);
|
||||
dataLinkTransmit.updateData(16, batteryAllowsContactorClosing);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void printSendingValues() {
|
||||
Serial.println("Values from battery: ");
|
||||
Serial.print("SOC: ");
|
||||
Serial.print(SOC);
|
||||
Serial.print(" SOH: ");
|
||||
Serial.print(StateOfHealth);
|
||||
Serial.print(" Voltage: ");
|
||||
Serial.print(battery_voltage);
|
||||
Serial.print(" Current: ");
|
||||
Serial.print(battery_current);
|
||||
Serial.print(" Capacity: ");
|
||||
Serial.print(capacity_Wh);
|
||||
Serial.print(" Remain cap: ");
|
||||
Serial.print(remaining_capacity_Wh);
|
||||
Serial.print(" Max discharge W: ");
|
||||
Serial.print(max_target_discharge_power);
|
||||
Serial.print(" Max charge W: ");
|
||||
Serial.print(max_target_charge_power);
|
||||
Serial.print(" BMS status: ");
|
||||
Serial.print(bms_status);
|
||||
Serial.print(" BMS status dis/cha: ");
|
||||
Serial.print(bms_char_dis_status);
|
||||
Serial.print(" Power: ");
|
||||
Serial.print(stat_batt_power);
|
||||
Serial.print(" Temp min: ");
|
||||
Serial.print(temperature_min);
|
||||
Serial.print(" Temp max: ");
|
||||
Serial.print(temperature_max);
|
||||
Serial.print(" Cell max: ");
|
||||
Serial.print(cell_max_voltage);
|
||||
Serial.print(" Cell min: ");
|
||||
Serial.print(cell_min_voltage);
|
||||
Serial.print(" LFP : ");
|
||||
Serial.print(LFP_Chemistry);
|
||||
Serial.print(" batteryAllowsContactorClosing: ");
|
||||
Serial.print(batteryAllowsContactorClosing);
|
||||
Serial.print(" inverterAllowsContactorClosing: ");
|
||||
Serial.print(inverterAllowsContactorClosing);
|
||||
|
||||
Serial.println("");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -26,8 +26,21 @@ extern uint16_t cell_max_voltage; //mV, 0-4350
|
|||
extern uint16_t cell_min_voltage; //mV, 0-4350
|
||||
extern uint8_t LEDcolor; //Enum, 0-10
|
||||
extern bool batteryAllowsContactorClosing; //Bool, 1=true, 0=false
|
||||
|
||||
extern bool LFP_Chemistry;
|
||||
extern uint16_t CANerror;
|
||||
|
||||
// parameters received from receiver
|
||||
extern bool inverterAllowsContactorClosing; //Bool, 1=true, 0=false
|
||||
|
||||
// Definitions for BMS status
|
||||
#define STANDBY 0
|
||||
#define INACTIVE 1
|
||||
#define DARKSTART 2
|
||||
#define ACTIVE 3
|
||||
#define FAULT 4
|
||||
#define UPDATING 5
|
||||
|
||||
void manageSerialLinkTransmitter();
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -109,6 +109,16 @@ bool SerialDataLink::checkTransmissionError(bool resetFlag)
|
|||
return currentStatus;
|
||||
}
|
||||
|
||||
int SerialDataLink::getLastAcknowledge(bool resetFlag)
|
||||
{
|
||||
int result = lastAcknowledgeStatus;
|
||||
if (resetFlag)
|
||||
{
|
||||
lastAcknowledgeStatus = 0; // Reset to default state
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
bool SerialDataLink::checkReadError(bool reset)
|
||||
{
|
||||
bool error = readError;
|
||||
|
|
@ -152,25 +162,74 @@ void SerialDataLink::run()
|
|||
|
||||
lastStateChangeTime = currentTime; // Reset the last state change time
|
||||
}
|
||||
|
||||
switch (currentState)
|
||||
{
|
||||
case DataLinkState::Idle:
|
||||
// Decide if the device should start transmitting
|
||||
currentState = DataLinkState::Receiving;
|
||||
if (shouldTransmit())
|
||||
{
|
||||
currentState = DataLinkState::WaitTobuildPacket;
|
||||
}
|
||||
break;
|
||||
|
||||
case DataLinkState::WaitTobuildPacket:
|
||||
constructPacket();
|
||||
if (isTransmitting)
|
||||
{
|
||||
currentState = DataLinkState::Transmitting;
|
||||
}
|
||||
break;
|
||||
|
||||
case DataLinkState::Transmitting:
|
||||
if (isTransmitting)
|
||||
sendNextByte();
|
||||
|
||||
// Check if the transmission is complete
|
||||
if (transmissionComplete)
|
||||
{
|
||||
sendNextByte(); // Continue sending the current data
|
||||
transmissionComplete = false;
|
||||
isTransmitting = false;
|
||||
currentState = DataLinkState::WaitingForAck; // Move to WaitingForAck state
|
||||
}
|
||||
else
|
||||
break;
|
||||
|
||||
case DataLinkState::WaitingForAck:
|
||||
|
||||
if (ackTimeout())
|
||||
{
|
||||
constructPacket(); // Construct a new packet if not currently transmitting
|
||||
// Handle ACK timeout scenario
|
||||
transmissionError = true;
|
||||
lastAcknowledgeStatus = -1;
|
||||
//--- if no ACK's etc received may as well move to Transmitting
|
||||
currentState = DataLinkState::Idle;
|
||||
}
|
||||
if (ackReceived())
|
||||
{
|
||||
// No data to send from the other device
|
||||
currentState = DataLinkState::Idle;
|
||||
}
|
||||
if (requestToSend)
|
||||
{
|
||||
// The other device has data to send (indicated by ACK+RTT)
|
||||
currentState = DataLinkState::Receiving;
|
||||
requestToSend = false;
|
||||
}
|
||||
break;
|
||||
|
||||
|
||||
case DataLinkState::Receiving:
|
||||
read();
|
||||
if (readComplete)
|
||||
{
|
||||
readComplete = false;
|
||||
currentState = DataLinkState::SendingAck;
|
||||
}
|
||||
break;
|
||||
|
||||
case DataLinkState::SendingAck:
|
||||
|
||||
constructPacket();
|
||||
|
||||
if (muteAcknowledgement && (needToACK || needToNACK))
|
||||
{
|
||||
|
|
@ -191,52 +250,23 @@ void SerialDataLink::run()
|
|||
ack = (txBufferIndex > 5) ? NACK_RTT_CODE : NACK_CODE;
|
||||
serial.write(ack);
|
||||
}
|
||||
}
|
||||
|
||||
if (maxIndexTX < 1)
|
||||
currentState = DataLinkState::Idle;
|
||||
if (isTransmitting)
|
||||
{
|
||||
currentState = DataLinkState::Receiving;
|
||||
}
|
||||
// Check if the transmission is complete
|
||||
if (transmissionComplete)
|
||||
{
|
||||
transmissionComplete = false;
|
||||
isTransmitting = false;
|
||||
currentState = DataLinkState::WaitingForAck; // Move to WaitingForAck state
|
||||
currentState = DataLinkState::Wait;
|
||||
}
|
||||
break;
|
||||
|
||||
|
||||
case DataLinkState::WaitingForAck:
|
||||
if (ackTimeout())
|
||||
case DataLinkState::Wait:
|
||||
{
|
||||
// Handle ACK timeout scenario
|
||||
transmissionError = true;
|
||||
isTransmitting = false;
|
||||
//handleAckTimeout();
|
||||
//--- if no ACK's etc received may as well move to Transmitting
|
||||
static unsigned long waitTimer=0;
|
||||
if (waitTimer == 0) waitTimer = currentTime;
|
||||
if (currentTime - waitTimer > 20)
|
||||
{
|
||||
waitTimer=0;
|
||||
currentState = DataLinkState::Transmitting;
|
||||
}
|
||||
if (ackReceived())
|
||||
{
|
||||
// No data to send from the other device
|
||||
currentState = DataLinkState::Transmitting;
|
||||
}
|
||||
if (requestToSend)
|
||||
{
|
||||
// The other device has data to send (indicated by ACK+RTT)
|
||||
currentState = DataLinkState::Receiving;
|
||||
}
|
||||
break;
|
||||
|
||||
|
||||
case DataLinkState::Receiving:
|
||||
read();
|
||||
if (readComplete)
|
||||
{
|
||||
readComplete = false;
|
||||
// transition to transmit mode
|
||||
currentState = DataLinkState::Transmitting;
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -343,9 +373,12 @@ bool SerialDataLink::sendNextByte()
|
|||
|
||||
bool SerialDataLink::ackReceived()
|
||||
{
|
||||
|
||||
// Check if there is data available to read
|
||||
if (serial.available() > 0)
|
||||
int count = 0;
|
||||
if (serial.available() )
|
||||
{
|
||||
count++;
|
||||
// Peek at the next byte without removing it from the buffer
|
||||
uint8_t nextByte = serial.peek();
|
||||
|
||||
|
|
@ -362,19 +395,22 @@ bool SerialDataLink::ackReceived()
|
|||
{
|
||||
case ACK_CODE:
|
||||
// Handle standard ACK
|
||||
lastAcknowledgeStatus = 1;
|
||||
return true;
|
||||
|
||||
case ACK_RTT_CODE:
|
||||
// Handle ACK with request to transmit
|
||||
requestToSend = true;
|
||||
lastAcknowledgeStatus = 1;
|
||||
return true;
|
||||
|
||||
case NACK_RTT_CODE:
|
||||
requestToSend = true;
|
||||
case NACK_CODE:
|
||||
transmissionError = true;
|
||||
lastAcknowledgeStatus = -2;
|
||||
return true;
|
||||
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -68,6 +68,7 @@ public:
|
|||
|
||||
// Check for errors
|
||||
bool checkTransmissionError(bool resetFlag);
|
||||
int getLastAcknowledge(bool resetFlag);
|
||||
bool checkReadError(bool resetFlag);
|
||||
|
||||
// Setter methods for various parameters and special characters
|
||||
|
|
@ -84,9 +85,12 @@ private:
|
|||
enum class DataLinkState
|
||||
{
|
||||
Idle,
|
||||
WaitTobuildPacket,
|
||||
Transmitting,
|
||||
WaitingForAck,
|
||||
Receiving,
|
||||
SendingAck,
|
||||
Wait,
|
||||
Error
|
||||
};
|
||||
|
||||
|
|
@ -117,6 +121,7 @@ private:
|
|||
bool readComplete = false;
|
||||
bool retransmitEnabled;
|
||||
bool transmissionError = false;
|
||||
int lastAcknowledgeStatus = 0;
|
||||
bool readError = false;
|
||||
bool muteAcknowledgement = false;
|
||||
|
||||
|
|
@ -130,12 +135,14 @@ private:
|
|||
bool dataUpdated[dataArraySizeTX];
|
||||
unsigned long lastSent[dataArraySizeTX];
|
||||
|
||||
// times in milliseconds
|
||||
unsigned long updateInterval = 1000;
|
||||
unsigned long ACK_TIMEOUT = 200;
|
||||
unsigned long PACKET_TIMEOUT = 200; // Timeout in milliseconds
|
||||
unsigned long PACKET_TIMEOUT = 200;
|
||||
unsigned long stateChangeTimeout = 300;
|
||||
|
||||
unsigned long lastStateChangeTime = 0;
|
||||
unsigned long stateChangeTimeout = 300;
|
||||
|
||||
|
||||
// Special characters for packet framing
|
||||
char headerChar = '<';
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue