From ec89ad14eb34609f78ed201e5ec6cd783b8ee583 Mon Sep 17 00:00:00 2001
From: Verkehrsrot <cyberman@obh.snafu.de>
Date: Tue, 15 Feb 2022 23:56:36 +0100
Subject: [PATCH 1/4] Make pins configurable for HardwareSerial

while keeping existing API for SoftwareSerial
---
 src/Serials.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/Serials.h b/src/Serials.h
index 01e503d..4165e0c 100644
--- a/src/Serials.h
+++ b/src/Serials.h
@@ -17,7 +17,7 @@ namespace Serials {
   // just to satisfy linker in gcc I needed to add empty parentheses to other virtual methods...
   class AbstractSerial {
   public:
-    virtual void begin(int baudRate) = 0;
+    virtual void begin(int baudRate, uint32_t config, int pinRx, int pinTx) = 0;
     virtual Stream *getStream() = 0;
     virtual ~AbstractSerial() {};
   };
@@ -25,8 +25,8 @@ namespace Serials {
   struct Hardware: public AbstractSerial {
     Hardware(HardwareSerial &serial): serial(serial) {}
 
-    void begin(int baudRate) {
-      serial.begin(baudRate);
+    void begin(int baudRate = 9600, uint32_t config = SERIAL_8N1, int pinRx = -1, int pinTx = -1) {
+      serial.begin(baudRate, config, pinRx, pinTx);
     }
 
     Stream *getStream() {
@@ -40,7 +40,7 @@ namespace Serials {
   struct Software: public AbstractSerial {
     Software(SoftwareSerial &serial): serial(serial) {}
 
-    void begin(int baudRate) {
+    void begin(int baudRate = 9600, uint32_t config = SERIAL_8N1, int pinRx = -1, int pinTx = -1) {
       serial.begin(baudRate);
     }
 
@@ -61,8 +61,8 @@ namespace Serials {
       }
     }
 
-    void begin(int baudRate) {
-      serial->begin(baudRate);
+    void begin(int baudRate = 9600, uint32_t config = SERIAL_8N1, int pinRx = -1, int pinTx = -1) {
+      serial.begin(baudRate);
     }
 
     Stream *getStream() {

From 083d74c92dfd56148c5c4693f1b2a4dc35a757bc Mon Sep 17 00:00:00 2001
From: Verkehrsrot <cyberman@obh.snafu.de>
Date: Tue, 15 Feb 2022 23:58:11 +0100
Subject: [PATCH 2/4] Make rxPin/txPin configurable by begin method

---
 src/SdsDustSensor.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/SdsDustSensor.h b/src/SdsDustSensor.h
index a7cf288..adfa865 100644
--- a/src/SdsDustSensor.h
+++ b/src/SdsDustSensor.h
@@ -72,9 +72,9 @@ class SdsDustSensor {
     }
   }
 
-  void begin(int baudRate = 9600) {
-    abstractSerial->begin(baudRate);
-  }
+  void begin(int baudRate = 9600, uint32_t config = SERIAL_8N1, int pinRx = -1, int pinTx = -1) {
+      abstractSerial->begin(baudRate, config, pinRx, pinTx);
+    }
 
   byte *getLastResponse() {
     return response;

From 6d40f58a066a417278f831990d735c74f9ece272 Mon Sep 17 00:00:00 2001
From: Verkehrsrot <cyberman@obh.snafu.de>
Date: Wed, 16 Feb 2022 10:34:27 +0100
Subject: [PATCH 3/4] Update README.md

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 4e44b24..8dda9cb 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,8 @@ sds.begin(); // you can pass custom baud rate as parameter (9600 by default)
 ```arduino
 SdsDustSensor sds(Serial1); // passing HardwareSerial as parameter, you can tune retry mechanism with additional parameters: retryDelayMs and maxRetriesNotAvailable
 sds.begin(); // you can pass custom baud rate as parameter (9600 by default)
+// or you can pass custom rxPin and txPin to HardwareSerial, if your board (e.g. ESP32) supports remapping of GPIOs to Serial
+// sds.begin(9600, SERIAL_8N1, SDS_RX, SDS_TX);
 ```
 
 ## Supported operations

From 47bc356748224227065106a3a3f7d8e560bcdde3 Mon Sep 17 00:00:00 2001
From: Verkehrsrot <cyberman@obh.snafu.de>
Date: Wed, 16 Feb 2022 12:03:59 +0100
Subject: [PATCH 4/4] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8dda9cb..70651c0 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ sds.begin(); // you can pass custom baud rate as parameter (9600 by default)
 SdsDustSensor sds(Serial1); // passing HardwareSerial as parameter, you can tune retry mechanism with additional parameters: retryDelayMs and maxRetriesNotAvailable
 sds.begin(); // you can pass custom baud rate as parameter (9600 by default)
 // or you can pass custom rxPin and txPin to HardwareSerial, if your board (e.g. ESP32) supports remapping of GPIOs to Serial
-// sds.begin(9600, SERIAL_8N1, SDS_RX, SDS_TX);
+// sds.begin(9600, SERIAL_8N1, rxPin, txPin);
 ```
 
 ## Supported operations