Добавляем расширитель портов MCP23017

src/Main.cpp

@@ -61,6 +61,15 @@ void setup() {
     // test
     Serial.println("-------test start--------");
     Serial.println("--------test end---------");
+
+    //тест перебора пинов из расширения
+    // for (int i = 109; i < 112; i++) {
+    //     IoTgpio.pinMode(i, OUTPUT);
+    //     IoTgpio.digitalWrite(i, !IoTgpio.digitalRead(i));
+    //     delay(1000);
+    //     IoTgpio.digitalWrite(i, !IoTgpio.digitalRead(i));
+    //     delay(1000);
+    // }
 }
 
 void loop() {

src/classes/IoTGpio.cpp

@@ -1,9 +1,8 @@
 #include "classes/IoTGpio.h"
 
 
-IoTGpio::IoTGpio(int pins) {    // инициируем стартовым числом диапазона доступных пинов для создаваемого экземпляра 0 - системный, далее 100, 200, 300, 400 или иной  
-    pinNums = pins;
-    _drivers[0] = nullptr;
+IoTGpio::IoTGpio(int Index) {    // указываем за какой интервал пинов будет отвечать данный экземпляр 0 - сис, 1 - 100, 2 - 200, 3 - 300, 4 -400
+    index = Index;
 }
 
 IoTGpio::~IoTGpio(){
@@ -12,28 +11,33 @@ IoTGpio::~IoTGpio(){
 
 
 void IoTGpio::pinMode(uint8_t pin, uint8_t mode) {
-    if (_drivers[pin/100]) _drivers[pin/100]->pinMode(pin, mode);
+    int pinH = pin/100;
+    if (_drivers[pinH]) _drivers[pinH]->pinMode(pin - pinH*100, mode);
     else ::pinMode(pin, mode);
 }
 
 void IoTGpio::digitalWrite(uint8_t pin, uint8_t val) {
-    if (_drivers[pin/100]) _drivers[pin/100]->digitalWrite(pin, val);
+    int pinH = pin/100;
+    if (_drivers[pinH]) _drivers[pinH]->digitalWrite(pin - pinH*100, val);
     else ::digitalWrite(pin, val);
 }
 
 int IoTGpio::digitalRead(uint8_t pin) {
-    if (_drivers[pin/100]) return _drivers[pin/100]->digitalRead(pin);
+    int pinH = pin/100;
+    if (_drivers[pinH]) return _drivers[pinH]->digitalRead(pin - pinH*100);
     else return ::digitalRead(pin);
 }
 
 
 int IoTGpio::analogRead(uint8_t pin) {
-    if (_drivers[pin/100]) return _drivers[pin/100]->analogRead(pin);
+    int pinH = pin/100;
+    if (_drivers[pinH]) return _drivers[pinH]->analogRead(pin - pinH*100);
     else return ::analogRead(pin);
 }
 
 void IoTGpio::analogWrite(uint8_t pin, int val) {
-    if (_drivers[pin/100]) _drivers[pin/100]->analogWrite(pin, val);
+    int pinH = pin/100;
+    if (_drivers[pinH]) _drivers[pinH]->analogWrite(pin - pinH*100, val);
     else {
         #ifdef ESP32
             // todo: написать для esp32 аналог функции analogWrite
@@ -46,5 +50,5 @@ void IoTGpio::analogWrite(uint8_t pin, int val) {
 
 
 void IoTGpio::regDriver(IoTGpio* newDriver) {
-    _drivers[newDriver->pinNums/100] = newDriver;
+    _drivers[newDriver->index] = newDriver;
 }

src/modules/API.cpp

@@ -14,6 +14,7 @@ void* getAPI_GY21(String subtype, String params);
 void* getAPI_Lcd2004(String subtype, String params);
 void* getAPI_SysExt(String subtype, String params);
 void* getAPI_Ads1115(String subtype, String params);
+void* getAPI_Mcp23017(String subtype, String params);
 //============================================================================================
 
 void* getAPI(String subtype, String params) {
@@ -32,6 +33,7 @@ void* getAPI(String subtype, String params) {
     if ((tmpAPI = getAPI_Lcd2004(subtype, params)) != nullptr) return tmpAPI;
     if ((tmpAPI = getAPI_SysExt(subtype, params)) != nullptr) return tmpAPI;
     if ((tmpAPI = getAPI_Ads1115(subtype, params)) != nullptr) return tmpAPI;
+    if ((tmpAPI = getAPI_Mcp23017(subtype, params)) != nullptr) return tmpAPI;
     //================================================================================================================
 
     return nullptr;

src/modules/Mcp23017.cpp

@@ -0,0 +1,69 @@
+#include "Global.h"
+#include "Classes/IoTItem.h"
+#include "classes/IoTGpio.h"
+#include <Adafruit_MCP23X17.h>
+
+
+class Mcp23017 : public IoTItem, IoTGpio {
+   private:
+   
+   public:
+    Adafruit_MCP23X17 mcp;
+
+    Mcp23017(String parameters, int index): IoTItem(parameters), IoTGpio(index) {
+        
+    }
+    
+    void doByInterval() {
+        
+
+        //regEvent(value.valD, "Mcp23017");  
+    }
+
+    IoTGpio* getGpioDriver() {
+        return this;
+    }
+
+    void pinMode(uint8_t pin, uint8_t mode) {
+        mcp.pinMode(pin, mode);
+    }
+
+    void digitalWrite(uint8_t pin, uint8_t val) {
+        mcp.digitalWrite(pin, val);
+    }
+
+    int digitalRead(uint8_t pin) {
+        return mcp.digitalRead(pin);
+    }
+
+    ~Mcp23017() {};
+};
+
+
+void* getAPI_Mcp23017(String subtype, String param) {
+    if (subtype == F("Mcp23017")) {
+        String addr;
+        uint8_t deviceAddress[1];
+        jsonRead(param, "addr", addr);
+        Serial.printf("deviceAddress %s = %02x \n", addr.c_str(), hexStringToUint8(addr));
+
+        String index_str;
+        jsonRead(param, "index", index_str);
+        int index = index_str.toInt();
+        if (index > 4) {
+            Serial.println("MCP23X17 wrong index. Must be 0 - 4");
+            return nullptr;
+        }
+
+        Mcp23017* newItem = new Mcp23017(param, index);
+        if (!newItem->mcp.begin_I2C(hexStringToUint8(addr))) {
+            Serial.println("MCP23X17 Init Error.");
+            delete newItem;
+            return nullptr;
+        }
+
+        return newItem;
+    } else {
+        return nullptr;
+    }
+}