optimized

libraries/AltSoftSerial/examples/Echo/Echo.ino

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+#include <AltSoftSerial.h>
+
+// AltSoftSerial always uses these pins:
+//
+// Board          Transmit  Receive   PWM Unusable
+// -----          --------  -------   ------------
+// Teensy 3.0 & 3.1  21        20         22
+// Teensy 2.0         9        10       (none)
+// Teensy++ 2.0      25         4       26, 27
+// Arduino Uno        9         8         10
+// Arduino Leonardo   5        13       (none)
+// Arduino Mega      46        48       44, 45
+// Wiring-S           5         6          4
+// Sanguino          13        14         12
+
+// This example code is in the public domain.
+
+AltSoftSerial altSerial;
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial) ; // wait for Arduino Serial Monitor to open
+  Serial.println("AltSoftSerial Test Begin");
+  altSerial.begin(9600);
+  altSerial.println("Hello World");
+}
+
+void loop() {
+  char c;
+
+  if (Serial.available()) {
+    c = Serial.read();
+    altSerial.print(c);
+  }
+  if (altSerial.available()) {
+    c = altSerial.read();
+    Serial.print(c);
+  }
+}
+

libraries/AltSoftSerial/examples/ReceiveTest/ReceiveTest.ino

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+// AltSoftSerial Receive Test
+//
+// Transmit data with Serial1 and try to receive
+// it with AltSoftSerial.  You must connect a wire
+// from Serial1 TX to AltSoftSerial RX.
+
+#include <AltSoftSerial.h>
+
+AltSoftSerial altser;
+const int mybaud = 9600;
+
+// Board            Serial1 TX   AltSoftSerial RX
+// -----            ----------   ----------------
+// Teensy 3.x            1              20
+// Teensy 2.0            8 (D3)         10 (C7)
+// Teensy++ 2.0          3 (D3)          4 (D4)
+// Arduino Leonardo      1              13
+// Arduino Mega         18              48
+
+// Serial1 on AVR @ 16 MHz minimum baud is 245
+// Serial1 on Teensy 3.2 @ 96 MHz minimum baud is 733
+
+// This example code is in the public domain.
+
+byte sentbyte;
+unsigned long prevmillis;
+byte testbyte=0xF0;
+
+void setup() {
+  delay(200);
+  Serial.begin(9600);
+  while (!Serial) ;  // wait for Arduino Serial Monitor
+  Serial1.begin(mybaud); // connect a wire from TX1
+  altser.begin(mybaud);   // to AltSoftSerial RX
+  Serial.println("AltSoftSerial Receive Test");
+  prevmillis = millis();
+}
+
+void loop() {
+  // transmit a test byte on Serial 1
+  if (millis() - prevmillis > 250) {
+    sentbyte = testbyte++;
+    Serial1.write(sentbyte);
+    prevmillis = millis();
+  }
+  // attempt to receive it by AltSoftSerial
+  if (altser.available() > 0) {
+    byte b = altser.read();
+    Serial.println(b);
+    if (b != sentbyte) Serial.println("***** ERROR *****");
+  }
+}

libraries/AltSoftSerial/examples/ShowConfiguration/ShowConfiguration.ino

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+#include <AltSoftSerial.h>
+
+// AltSoftSerial show configuration example
+// Will print library configuration to default serial port
+// Open your serial monitor to see config for your board
+// Printout would repeat every 10sec (just in case you missed it somehow)
+
+// Print Configuration
+// -----------------------
+
+// Direct include AltSoftSerial internals to obtaion PIN setup (you do not need this in regular code)
+
+// This example code is in the public domain.
+
+#include <config/AltSoftSerial_Boards.h>
+
+void printAltSoftSerialSetup(Stream &port)
+{
+  #define PRINT_PFX "AltSoftSerial:"
+  #define PRINT_PIN_NAME(pin,name) { char buffer[128+1]; sprintf(buffer, PRINT_PFX "PIN:%2d %s", (int)pin, (const char*)name); port.println(buffer); }
+
+  port.println(PRINT_PFX "Setup info: begin");
+
+  #if defined(ALTSS_USE_FTM0)
+  port.println(PRINT_PFX "USE FTM0");
+  #endif
+
+  #if defined(ALTSS_USE_TIMER1)
+  port.println(PRINT_PFX "USE TIMER1");
+  #endif
+
+  #if defined(ALTSS_USE_TIMER2)
+  port.println(PRINT_PFX "USE TIMER2");
+  #endif
+
+  #if defined(ALTSS_USE_TIMER3)
+  port.println(PRINT_PFX "USE TIMER3");
+  #endif
+
+  #if defined(ALTSS_USE_TIMER4)
+  port.println(PRINT_PFX "USE TIMER4");
+  #endif
+
+  #if defined(ALTSS_USE_TIMER5)
+  port.println(PRINT_PFX "USE TIMER5");
+  #endif
+
+  #if defined(INPUT_CAPTURE_PIN)
+  PRINT_PIN_NAME(INPUT_CAPTURE_PIN,"RX");
+  #endif
+
+  #if defined(OUTPUT_COMPARE_A_PIN)
+  PRINT_PIN_NAME(OUTPUT_COMPARE_A_PIN,"TX");
+  #endif
+
+  #if defined(OUTPUT_COMPARE_B_PIN)
+  PRINT_PIN_NAME(OUTPUT_COMPARE_B_PIN,"(unused PWM)");
+  #endif
+
+  #if defined(OUTPUT_COMPARE_C_PIN)
+  PRINT_PIN_NAME(OUTPUT_COMPARE_C_PIN,"(unused PWM)");
+  #endif
+
+  #if defined(OUTPUT_COMPARE_D_PIN)
+  PRINT_PIN_NAME(OUTPUT_COMPARE_D_PIN,"(unused PWM)");
+  #endif
+
+  #if defined(OUTPUT_COMPARE_E_PIN)
+  PRINT_PIN_NAME(OUTPUT_COMPARE_E_PIN,"(unused PWM)");
+  #endif
+
+  #if defined(OUTPUT_COMPARE_F_PIN)
+  PRINT_PIN_NAME(OUTPUT_COMPARE_F_PIN,"(unused PWM)");
+  #endif
+
+  port.println(PRINT_PFX "Setup info: end");
+
+  #undef  PRINT_PIN_NAME
+  #undef  PRINT_PFX
+}
+
+void setup()
+{
+  // Open default serial to dump config to
+  Serial.begin(9600);
+  while (!Serial) ; // wait for serial monitor
+  printAltSoftSerialSetup(Serial);
+}
+
+void loop()
+{
+  // Repeat every 10 sec (just in case)
+  delay(10000);
+  Serial.println("");
+  printAltSoftSerialSetup(Serial);
+}
+