0.2.0 PT2314

libraries/PT2314/CHANGELOG.md

@@ -6,11 +6,19 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.2.0] - 2023-12-08
+- refactor API, begin()
+- update readme.md
+- added **void setAttn(uint8_t attn)**
+- removed setAttn(left, right).
+- minor edits
+
+----
+
 ## [0.1.2] - 2023-09-24
 - add Wire1 support for ESP32
 - update readme.md
 
-
 ## [0.1.1] - 2023-08-01
 - add **PT7313** derived class
   - 3 input 2 output version

libraries/PT2314/PT2314.cpp

@@ -2,7 +2,7 @@
 //    FILE: PT2314.cpp
 //  AUTHOR: Rob Tillaart
 //    DATE: 2023-07-30
-// VERSION: 0.1.2
+// VERSION: 0.2.0
 // PURPOSE: Arduino library for PT2314 i2C 4 channel audio processor.
 //     URL: https://github.com/RobTillaart/PT2314
 
@@ -16,32 +16,8 @@ PT2314::PT2314(TwoWire *wire)
 }
 
 
-#if defined (ESP8266) || defined(ESP32)
-bool PT2314::begin(int dataPin, int clockPin)
-{
-  if ((dataPin < 255) && (clockPin < 255))
-  {
-    _wire->begin(dataPin, clockPin);
-  } else {
-    _wire->begin();
-  }
-  if (! isConnected()) return false;
-  setChannel();
-  setMute();
-  setLoudness();
-  setVolume();
-  setBass();
-  setTreble();
-  setGain();
-  //  setAttn(31,31);  //  already muted
-  return true;
-}
-#endif
-
-
 bool PT2314::begin()
 {
-  _wire->begin();
   if (! isConnected()) return false;
   setChannel();
   setMute();
@@ -50,7 +26,7 @@ bool PT2314::begin()
   setBass();
   setTreble();
   setGain();
-  //  setAttn(31,31);  //  already muted
+  //  setAttn(31, 31);  //  already muted
   return true;
 }
 
@@ -206,14 +182,15 @@ uint8_t PT2314::getAttnRight()
 }
 
 
-void PT2314::setAttn(uint8_t attnLeft, uint8_t attnRight)
+void PT2314::setAttn(uint8_t attn)
 {
-  setAttnLeft(attnLeft);
+  setAttnLeft(attn);
-  setAttnRight(attnRight);
+  setAttnRight(attn);
 }
 
 
 
+
 ///////////////////////////////////////////////////
 //
 //  PROTECTED
@@ -330,5 +307,14 @@ uint8_t PT7313::getAttnRightFront()
 }
 
 
+void PT7313::setAttn(uint8_t attn)
+{
+  setAttnLeft(attn);
+  setAttnRight(attn);
+  setAttnLeftFront(attn);
+  setAttnRightFront(attn);
+}
+
+
 //  -- END OF FILE --
 

libraries/PT2314/PT2314.h

@@ -3,7 +3,7 @@
 //    FILE: PT2314.h
 //  AUTHOR: Rob Tillaart
 //    DATE: 2023-07-30
-// VERSION: 0.1.2
+// VERSION: 0.2.0
 // PURPOSE: Arduino library for PT2314 i2C 4 channel audio processor.
 //     URL: https://github.com/RobTillaart/PT2314
 
@@ -12,7 +12,7 @@
 #include "Wire.h"
 
 
-#define PT2314_LIB_VERSION                   (F("0.1.2"))
+#define PT2314_LIB_VERSION                   (F("0.2.0"))
 
 
 class PT2314
@@ -20,9 +20,6 @@ class PT2314
 public:
   PT2314(TwoWire *wire = &Wire);
 
-#if defined (ESP8266) || defined(ESP32)
-  bool    begin(int sda, int scl);
-#endif
   bool    begin();
   bool    isConnected();
 
@@ -42,14 +39,18 @@ public:
   void    setTreble(int8_t treble = 0);   //  -14..14
   int8_t  getTreble();
 
+  //      GAIN
   void    setGain(uint8_t gain = 0);      //  0..3
   uint8_t getGain();
 
+  //      ATTENUATION
   void    setAttnLeft(uint8_t value = 31);  //  0..31
   uint8_t getAttnLeft();
   void    setAttnRight(uint8_t value = 31);  //  0..31
   uint8_t getAttnRight();
-  void    setAttn(uint8_t attnLeft, uint8_t attnRight);
+
+  //  set all to same level
+  void    setAttn(uint8_t attn);
 
 
 protected:
@@ -72,6 +73,7 @@ protected:
   int      _error     = 0;
 };
 
+
 ///////////////////////////////////////////////////////////////
 //
 //  DERIVED
@@ -92,15 +94,21 @@ public:
   void    setMute(bool on);
   void    setChannel(uint8_t channel = 0);        //  0..2
 
+  //  BACK
   void    setAttnLeftBack(uint8_t value = 31);    //  0..31
   uint8_t getAttnLeftBack();
   void    setAttnRightBack(uint8_t value = 31);   //  0..31
   uint8_t getAttnRightBack();
+
+  //  FRONT
   void    setAttnLeftFront(uint8_t value = 31);   //  0..31
   uint8_t getAttnLeftFront();
   void    setAttnRightFront(uint8_t value = 31);  //  0..31
   uint8_t getAttnRightFront();
 
+  //  ALL
+  void    setAttn(uint8_t attn);
+
 protected:
   uint8_t  _attnLeftFront  = 0;
   uint8_t  _attnRightFront = 0;

libraries/PT2314/README.md

@@ -35,9 +35,24 @@ It is used in automotive to control front and back speakers.
 |    PT7314   |    4     |    1      |  V1.0 Jan,  2010  |
 |    PT7313   |    3     |    2      |  V1.0 feb,  2010  |
 
+
+|  processor  |  volume  |  attn   |  gain  |  bass     |  treble   |
+|:-----------:|:--------:|:-------:|:------:|:---------:|:---------:|
+|    PT2314   |   0..63  |  0..31  |  0..3  |  -14..14  |  -14..14  |
+|    PT7314   |   0..63  |  0..31  |  0..3  |  -14..14  |  -14..14  |
+|    PT7313   |   0..63  |  0..31  |  0..3  |  -14..14  |  -14..14  |
+
+
 Feedback as always, is welcome.
 
-The library is based upon Datasheet: PT2314 V1.4 July, 2005
+
+#### 0.2.0 Breaking change
+
+Version 0.2.0 introduced a breaking change.
+You cannot set the pins in **begin()** any more.
+This reduces the dependency of processor dependent Wire implementations.
+The user has to call **Wire.begin()** and can optionally set the Wire pins 
+before calling **begin()**.
 
 
 #### I2C
@@ -50,8 +65,24 @@ The library is based upon Datasheet: PT2314 V1.4 July, 2005
 
 
 Note: Datasheet PT7314 states that the device needs at least 50 ms 
-to wake up before it can process I2C commands. So one might need
+to wake up before it can process I2C commands. 
-to give it some time to get started.
+So one might need to give it some time to get started.
+
+
+#### Multiplexing
+
+If you want to put more than one PT2314 on an I2C bus you need an 
+I2C multiplexer as the device has a fixed address.
+
+See https://github.com/RobTillaart/TCA9548
+
+(not tested, feedback welcome).
+
+
+#### Related
+
+- https://github.com/RobTillaart/HC4052 (multiplexer for more inputs)
+- https://github.com/RobTillaart/TCA9548 (I2C multiplexer)
 
 
 ## Interface PT2314 PT7314
@@ -63,10 +94,11 @@ to give it some time to get started.
 #### Constructors
 
 - **PT2314(TwoWire \*wire = &Wire)** constructor, optional set Wire interface.
+- **PT7313(TwoWire \*wire = &Wire)** constructor, optional set Wire interface.
 - **PT7314(TwoWire \*wire = &Wire)** constructor, optional set Wire interface.
-- **bool begin(int sda, int scl)** for ESP32 et al.
+- **bool begin()** initialized library.
-- **bool begin()** other platforms.
+Returns true if device can be seen on the I2C bus.
-- **bool isConnected()** device (0x44) can be seen on I2C bus.
+- **bool isConnected()** returns true if device (0x44) can be seen on I2C bus.
 
 #### Channel
 
@@ -111,27 +143,30 @@ CHeck datasheet for mapping.
 - **uint8_t getAttnLeft()** get current left attenuation level.
 - **void setAttnRight(uint8_t value = 31)** set the right attenuation from 0..31.
 - **uint8_t getAttnRight()** get current right attenuation level.
-- **void setAttn(uint8_t attnLeft, uint8_t attnRight)** set both in one call.
+- **void setAttn(uint8_t attn)** set all channels in one call.
-Convenience function.
+
 
 Formula attenuation:
 ```cpp
 Attn = value * -1.25;  //  dB  0..-37.50,  31 ==> MUTE.
 ```
 
+----
+
 ## Interface PT7313
 
 ```cpp
 #include "PT2314.h"
 ```
 
-Additional constructor:
+#### Additional
-- **PT7313(TwoWire \*wire = &Wire)** constructor.
 
+- **PT7313(TwoWire \*wire = &Wire)** constructor.
 - **void setMute(bool on)** idem, four channel version.
 - **void setChannel(uint8_t channel = 0)** idem, 0..2.
   
-Additional attenuation:
+#### PT7313 attenuation
+
 - **void setAttnLeftBack(uint8_t value = 31)** idem, 0..31.
 - **uint8_t getAttnLeftBack()** get current level.
 - **void setAttnRightBack(uint8_t value = 31)** idem, 0..31
@@ -151,9 +186,6 @@ Additional attenuation:
 
 #### Should
 
-- investigate **setAttn(value)** function for all channels.
-  - better also for the 7313
-  - 0.2.0 ==> remove the setAttn(left, right) ?
 - add more examples.
 - check parameters range:  0..63 => -63..0?
   - some are in dB others not.

libraries/PT2314/examples/PT2314_demo/PT2314_demo.ino

@@ -1,7 +1,7 @@
 //
 //    FILE: PT2314_demo.ino
 //  AUTHOR: Rob Tillaart
-// PURPOSE: simple demo
+// PURPOSE: minimal demo
 //     URL: https://github.com/RobTillaart/PT2314
 
 
@@ -18,11 +18,15 @@ void setup()
   Serial.println(__FILE__);
   delay(100);
 
+  Wire.begin();
   pt.begin();
 
   //  do your settings
   pt.setVolume(20);
-  pt.setAttn(15, 24);  //  shift the balance
+  //  shift the balance
+  pt.setAttnLeft(15);
+  pt.setAttnRight(24);
+  
   pt.setLoudness(true);
 }
 
@@ -31,4 +35,5 @@ void loop()
 {
 }
 
+
 //  -- END OF FILE --

libraries/PT2314/examples/PT7313_demo/PT7313_demo.ino

@@ -0,0 +1,65 @@
+//
+//    FILE: PT7313_demo.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: move sound around
+//     URL: https://github.com/RobTillaart/PT2314
+
+
+#include "PT2314.h"
+
+//  PT2413 pt;
+//  PT7314 pt;
+PT7313 pt;
+
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+  delay(100);
+
+  Wire.begin();
+  pt.begin();
+
+  //  do your settings
+  pt.setVolume(20);
+
+  pt.setAttnLeft(0);
+  pt.setAttnRight(31);
+  pt.setAttnLeftBack(31);
+  pt.setAttnRightBack(31);
+  
+  pt.setLoudness(true);
+}
+
+
+void loop()
+{
+  for (int i = 0; i < 32; i++)
+  {
+    pt.setAttnLeft(31 - i);
+    pt.setAttnRight(i);
+    delay(100);
+  }
+  for (int i = 0; i < 32; i++)
+  {
+    pt.setAttnRight(31 - i);
+    pt.setAttnRightBack(i);
+    delay(100);
+  }
+  for (int i = 0; i < 32; i++)
+  {
+    pt.setAttnRightBack(31 - i);
+    pt.setAttnLeftBack(i);
+    delay(100);
+  }
+  for (int i = 0; i < 32; i++)
+  {
+    pt.setAttnLeftBack(31 - i);
+    pt.setAttnLeft(i);
+    delay(100);
+  }
+}
+
+
+//  -- END OF FILE --

libraries/PT2314/keywords.txt

@@ -2,8 +2,8 @@
 
 # Data types (KEYWORD1)
 PT2314	KEYWORD1
-PT7314	KEYWORD1
 PT7313	KEYWORD1
+PT7314	KEYWORD1
 
 
 # Methods and Functions (KEYWORD2)

libraries/PT2314/library.json

@@ -15,7 +15,7 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/PT2314.git"
   },
-  "version": "0.1.2",
+  "version": "0.2.0",
   "license": "MIT",
   "frameworks": "*",
   "platforms": "*",

libraries/PT2314/library.properties

@@ -1,5 +1,5 @@
 name=PT2314
-version=0.1.2
+version=0.2.0
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=Arduino library for PT2314 i2C 4 channel audio processor,

libraries/PT2314/test/unit_test_001.cpp

@@ -57,13 +57,14 @@ unittest_teardown()
 {
 }
 
-
+//  not testable withour proper mock-up
 unittest(test_constructor)
 {
   PT2314 pt2;
+  PT7313 pt3;
   PT7314 pt7;
 
-  assertEqual(1,1);
+  assertEqual(1, 1);
 }