rename I2C terminology

Author: hathach

libraries/Wire/Wire_nRF52.cpp

@@ -46,7 +46,7 @@ TwoWire::TwoWire(NRF_TWIM_Type * p_twim, NRF_TWIS_Type * p_twis, IRQn_Type IRQn,
 }
 
 void TwoWire::begin(void) {
-  //Master Mode
+  //Main Mode
   master = true;
 
   *pincfg_reg(_uc_pinSCL) = ((uint32_t)GPIO_PIN_CNF_DIR_Input        << GPIO_PIN_CNF_DIR_Pos)
@@ -72,7 +72,7 @@ void TwoWire::begin(void) {
 }
 
 void TwoWire::begin(uint8_t address) {
-  //Slave mode
+  //Secondary mode
   master = false;
 
   *pincfg_reg(_uc_pinSCL) = ((uint32_t)GPIO_PIN_CNF_DIR_Input        << GPIO_PIN_CNF_DIR_Pos)

libraries/Wire/examples/SFRRanger_reader/SFRRanger_reader.ino

@@ -14,7 +14,7 @@
 
 void setup()
 {
-  Wire.begin();                // join i2c bus (address optional for master)
+  Wire.begin();                // join i2c bus (address optional for main)
   Serial.begin(9600);          // start serial communication at 9600bps
   while ( !Serial ) delay(10);   // for nrf52840 with native usb
 }
@@ -42,7 +42,7 @@ void loop()
   Wire.endTransmission();      // stop transmitting
 
   // step 4: request reading from sensor
-  Wire.requestFrom(112, 2);    // request 2 bytes from slave device #112
+  Wire.requestFrom(112, 2);    // request 2 bytes from secondary device #112
 
   // step 5: receive reading from sensor
   if(2 <= Wire.available())    // if two bytes were received

libraries/Wire/examples/digital_potentiometer/digital_potentiometer.ino

@@ -16,7 +16,7 @@
 
 void setup()
 {
-  Wire.begin(); // join i2c bus (address optional for master)
+  Wire.begin(); // join i2c bus (address optional for main)
 }
 
 byte val = 0;

libraries/Wire/examples/master_reader/master_reader.ino renamed to libraries/Wire/examples/main_reader/main_reader.ino

@@ -1,9 +1,9 @@
-// Wire Master Reader
+// Wire Main Reader
 // by Nicholas Zambetti <http://www.zambetti.com>
 
 // Demonstrates use of the Wire library
-// Reads data from an I2C/TWI slave device
-// Refer to the "Wire Slave Sender" example for use with this
+// Reads data from an I2C/TWI secondary device
+// Refer to the "Wire Secondary Sender" example for use with this
 
 // Created 29 March 2006
 
@@ -14,16 +14,16 @@
 
 void setup()
 {
-  Wire.begin();        // join i2c bus (address optional for master)
+  Wire.begin();        // join i2c bus (address optional for main)
   Serial.begin(9600);  // start serial for output
   while ( !Serial ) delay(10);   // for nrf52840 with native usb
 }
 
 void loop()
 {
-  Wire.requestFrom(2, 6);    // request 6 bytes from slave device #2
+  Wire.requestFrom(2, 6);    // request 6 bytes from secondary device #2
 
-  while(Wire.available())    // slave may send less than requested
+  while(Wire.available())    // secondary may send less than requested
   { 
     char c = Wire.read(); // receive a byte as character
     Serial.print(c);         // print the character

libraries/Wire/examples/master_scan/master_scan.ino renamed to libraries/Wire/examples/main_scan/main_scan.ino

@@ -1,9 +1,9 @@
-// Wire Master Writer
+// Wire Main Writer
 // by Nicholas Zambetti <http://www.zambetti.com>
 
 // Demonstrates use of the Wire library
-// Writes data to an I2C/TWI slave device
-// Refer to the "Wire Slave Receiver" example for use with this
+// Writes data to an I2C/TWI secondary device
+// Refer to the "Wire Secondary Receiver" example for use with this
 
 // Created 29 March 2006
 
@@ -14,7 +14,7 @@
 
 void setup()
 {
-  Wire.begin(); // join i2c bus (address optional for master)
+  Wire.begin(); // join i2c bus (address optional for main)
 }
 
 byte x = 0;

libraries/Wire/examples/master_writer/master_writer.ino renamed to libraries/Wire/examples/main_writer/main_writer.ino

@@ -1,9 +1,9 @@
-// Wire Slave Receiver
+// Wire Secondary Receiver
 // by Nicholas Zambetti <http://www.zambetti.com>
 
 // Demonstrates use of the Wire library
-// Receives data as an I2C/TWI slave device
-// Refer to the "Wire Master Writer" example for use with this
+// Receives data as an I2C/TWI secondary device
+// Refer to the "Wire Main Writer" example for use with this
 
 // Created 29 March 2006
 
@@ -25,7 +25,7 @@ void loop()
   delay(100);
 }
 
-// function that executes whenever data is received from master
+// function that executes whenever data is received from main
 // this function is registered as an event, see setup()
 void receiveEvent(int howMany)
 {

libraries/Wire/examples/slave_receiver/slave_receiver.ino renamed to libraries/Wire/examples/secondary_receiver/secondary_receiver.ino

@@ -1,9 +1,9 @@
-// Wire Slave Sender
+// Wire Secondary Sender
 // by Nicholas Zambetti <http://www.zambetti.com>
 
 // Demonstrates use of the Wire library
-// Sends data as an I2C/TWI slave device
-// Refer to the "Wire Master Reader" example for use with this
+// Sends data as an I2C/TWI secondary device
+// Refer to the "Wire Main Reader" example for use with this
 
 // Created 29 March 2006
 
@@ -23,10 +23,10 @@ void loop()
   delay(100);
 }
 
-// function that executes whenever data is requested by master
+// function that executes whenever data is requested by main
 // this function is registered as an event, see setup()
 void requestEvent()
 {
   Wire.write("hello "); // respond with message of 6 bytes
-                       // as expected by master
+                       // as expected by main
 }