From: Andrea Manni Date: Thu, 17 Dec 2015 15:41:14 +0000 (+0100) Subject: array X-Git-Url: http://git.piffa.net/web?p=sketchbook_andrea;a=commitdiff_plain;h=7eb899c40c1fc5f52e0f9c016e6f638f51fe14ff array --- diff --git a/.gitignore b/.gitignore index 34f7b71..88adc95 100644 --- a/.gitignore +++ b/.gitignore @@ -2,3 +2,5 @@ TODO push.sh libraries/aero/ *.swp +*Makefile +*tags diff --git a/README b/README index d795d3f..5c66ec0 100644 --- a/README +++ b/README @@ -190,3 +190,22 @@ Utilizzare specifici devices: - connessione seriale via radio - programmare un Attiny85 con Arduino - ethernet e WIFI + +Makefile +============ + +Avendo installato il pacchetto ``arduino-mk``, con l'IDE /usr/local/software/arduino-1.6.5 , Arduino.mk resta quello originale della distribuzione posto in /usr/share/arduino/ . + +/usr/share/arduino/Makefile :: + + # Arduino Make file. Refer to https://github.com/sudar/Arduino-Makefile + + BOARD_TAG = uno + MONITOR_PORT = /dev/ttyACM0 + + CURRENT_DIR = $(shell pwd) + OBJDIR = /tmp/$(notdir $(shell pwd)) + ARDUINO_DIR = /usr/local/software/arduino-1.6.5 + MONITOR_BAUDRATE = 115200 + + include /usr/share/arduino/Arduino.mk diff --git a/RGB_LED/rgb_0/rgb_0.ino b/RGB_LED/rgb_0/rgb_0.ino index 2290582..d69d451 100644 --- a/RGB_LED/rgb_0/rgb_0.ino +++ b/RGB_LED/rgb_0/rgb_0.ino @@ -7,9 +7,9 @@ Schema: http://lab.piffa.net/schemi/rgb.jpg */ -int redPin = 11; -int greenPin = 10; -int bluePin = 9; +int redPin = 11; // 2v a 20ma: che resistenza dovro usare? +int greenPin = 10; // 3.5v a 20ma: che resistenza dovro usare? +int bluePin = 9; // 3.5v a 20ma: che resistenza dovro usare? diff --git a/RGB_LED/rgb_0_soluzione/rgb_0_soluzione.ino b/RGB_LED/rgb_0_soluzione/rgb_0_soluzione.ino index b9fb952..5d46d7e 100644 --- a/RGB_LED/rgb_0_soluzione/rgb_0_soluzione.ino +++ b/RGB_LED/rgb_0_soluzione/rgb_0_soluzione.ino @@ -5,10 +5,9 @@ common anode */ -int redPin = 11; -int greenPin = 10; -int bluePin = 9; - +int redPin = 11; // 2v a 20ma: che resistenza dovro usare? +int greenPin = 10; // 3.5v a 20ma: che resistenza dovro usare? +int bluePin = 9; // 3.5v a 20ma: che resistenza dovro usare? void setup() diff --git a/motors/stepper/step_3_half_step/step_3_half_step.ino b/motors/stepper/step_3_half_step/step_3_half_step.ino index 3f1c85c..6059883 100644 --- a/motors/stepper/step_3_half_step/step_3_half_step.ino +++ b/motors/stepper/step_3_half_step/step_3_half_step.ino @@ -24,6 +24,10 @@ unsigned long last_time; unsigned long currentMillis ; int steps_left=4095; long time; + +void SetDirection(); +void stepper(int xw); + void setup() { Serial.begin(115200); diff --git a/piezo/piezo_2_keyboard/piezo_2_keyboard.ino b/piezo/piezo_2_keyboard/piezo_2_keyboard.ino index 01afcd8..2df467f 100644 --- a/piezo/piezo_2_keyboard/piezo_2_keyboard.ino +++ b/piezo/piezo_2_keyboard/piezo_2_keyboard.ino @@ -1,56 +1,66 @@ + /* - Melody keyboard with Input Pullup Serial + Melody keyboard with Input Pullup Plays a pitch that changes based on 3 digital inputs - - This example demonstrates the use of pinMode(INPUT_PULLUP). It reads a + + This example demonstrates the use of pinMode(INPUT_PULLUP). It reads a digital input on pin 2 and prints the results to the serial monitor. - + There's also an extensive use of arrays. + Thecircuit: * 3 buttons in pin 2,3,4 with no resistors * Piezo on digital pin 9 * Serial debug is available - + This example code is in the public domain - + Circuit: http://lab.piffa.net/schemi/piezo_2_keyboard_bb.png - - */ + */ -int input[]= { - 1,2,3}; -int notes[] = { - 262, 392,880 }; // suona una prima, quinta, ottava in C4 +const int tasti[]= {4,3,2}; // La nota piu' a sx e' quella piu' bassa +const int notes[] = {262, 392, 880}; // suona una prima, quinta, ottava in C4 +const int piezo_pin = 9; // Carica un file di esempio con tutte le note // #include "pitches.h"; // int notes[] = {NOTE_C4, NOTE_G4,NOTE_C5 }; // suona una prima, quinta, ottava -void setup(){ - //start serial connection - Serial.begin(9600); - //configure pin2/3/4 as an input and enable the internal pull-up resistor - pinMode(2, INPUT_PULLUP); - pinMode(3, INPUT_PULLUP); - pinMode(4, INPUT_PULLUP); - pinMode(9, OUTPUT); +void setup() { + //start serial connection + Serial.begin(9600); + Serial.println("Welcome"); + //configure pin2/3/4 as an input and enable the internal pull-up resistor + pinMode(tasti[0], INPUT_PULLUP); + pinMode(tasti[1], INPUT_PULLUP); + pinMode(tasti[2], INPUT_PULLUP); // Provare ad impostare i PIN con un + // ciclo for + pinMode(9, OUTPUT); } -void loop(){ - for (int thisSensor = 2; thisSensor < 5; thisSensor++) { - int sensorReading = digitalRead(thisSensor); - if (sensorReading == LOW) { - Serial.println(thisSensor); - tone(9, notes[thisSensor -2], 50); // Notes array is translated +void loop() { + for (int thisSensor = 0; thisSensor < 3; thisSensor++) { + int sensorReading = digitalRead(tasti[thisSensor]); + if (sensorReading == LOW) { + Serial.print("Sensore: "); + Serial.print(thisSensor); + tone(piezo_pin, notes[thisSensor ], 50); // Notes array is translated + Serial.print("\t Nota: "); + Serial.println(notes[thisSensor]); + } + //delay(2); // eventuale delay } - //delay(2); // eventuale delay - } } /* Domande 1. Modificare le note suonate utilizzando come riferimento il file pitches.h: - suonare una prima, terza, quinta (C-E-G) - 2. Includere il file pitches.h . Come si potrebbe scrivere una melodia da far suonare - autnomamente ad Arduino? + suonare una prima, terza, quinta (C-E-G) + 2. Includere il file pitches.h . Come si potrebbe scrivere una melodia da far s uonare autnomamente ad Arduino? */ + + + + + + diff --git a/programming/loops/loop_0_rider/loop_0_rider.ino b/programming/loops/loop_0_rider/loop_0_rider.ino new file mode 100644 index 0000000..854f225 --- /dev/null +++ b/programming/loops/loop_0_rider/loop_0_rider.ino @@ -0,0 +1,110 @@ +/* Knight Rider 1 + * -------------- + * + * Basically an extension of Blink_LED. + * + * + * (cleft) 2005 K3, Malmo University + * @author: David Cuartielles + * @hardware: David Cuartielles, Aaron Hallborg + See: https://www.arduino.cc/en/Tutorial/KnightRider + + Schema semplificato: + - http://lab.piffa.net/schemi/8_led_single_res_bb.png + - http://lab.piffa.net/schemi/8_led_single_res_schem.png + */ + +int pin2 = 2; +int pin3 = 3; +int pin4 = 4; +int pin5 = 5; +int pin6 = 6; +int pin7 = 7; +int pin7 = 8; +int pin7 = 9; +int timer = 100; + +void setup(){ + pinMode(pin2, OUTPUT); + pinMode(pin3, OUTPUT); + pinMode(pin4, OUTPUT); + pinMode(pin5, OUTPUT); + pinMode(pin6, OUTPUT); + pinMode(pin7, OUTPUT); + pinMode(pin8, OUTPUT); + pinMode(pin9, OUTPUT); +} + +void loop() { + digitalWrite(pin2, HIGH); + delay(timer); + digitalWrite(pin2, LOW); + delay(timer); + + digitalWrite(pin3, HIGH); + delay(timer); + digitalWrite(pin3, LOW); + delay(timer); + + digitalWrite(pin4, HIGH); + delay(timer); + digitalWrite(pin4, LOW); + delay(timer); + + digitalWrite(pin5, HIGH); + delay(timer); + digitalWrite(pin5, LOW); + delay(timer); + + digitalWrite(pin6, HIGH); + delay(timer); + digitalWrite(pin6, LOW); + delay(timer); + + digitalWrite(pin7, HIGH); + delay(timer); + digitalWrite(pin7, LOW); + delay(timer); + + digitalWrite(pin8, HIGH); + delay(timer); + digitalWrite(pin8, LOW); + delay(timer); + + digitalWrite(pin9, HIGH); + delay(timer); + digitalWrite(pin9, LOW); + delay(timer); + + // Ding! Mezzo giro + + digitalWrite(pin8, HIGH); + delay(timer); + digitalWrite(pin8, LOW); + delay(timer); + + digitalWrite(pin7, HIGH); + delay(timer); + digitalWrite(pin7, LOW); + delay(timer); + + digitalWrite(pin6, HIGH); + delay(timer); + digitalWrite(pin6, LOW); + delay(timer); + + digitalWrite(pin5, HIGH); + delay(timer); + digitalWrite(pin5, LOW); + delay(timer); + + digitalWrite(pin4, HIGH); + delay(timer); + digitalWrite(pin4, LOW); + delay(timer); + + digitalWrite(pin3, HIGH); + delay(timer); + digitalWrite(pin3, LOW); + delay(timer); +} diff --git a/programming/loops/loop_1_array_loop/loop_1_array_loop.ino b/programming/loops/loop_1_array_loop/loop_1_array_loop.ino new file mode 100644 index 0000000..42871ef --- /dev/null +++ b/programming/loops/loop_1_array_loop/loop_1_array_loop.ino @@ -0,0 +1,70 @@ +/* Knight Rider 2 + * -------------- + * + * Reducing the amount of code using for(;;). + * + * + * (cleft) 2005 K3, Malmo University + * @author: David Cuartielles + * @hardware: David Cuartielles, Aaron Hallborg + + + Schema semplificato: + - http://lab.piffa.net/schemi/8_led_single_res_bb.png + - http://lab.piffa.net/schemi/8_led_single_res_schem.png + */ + +int pinArray[8] = {2, 3, 4, 5, 6, 7, 8, 9}; +int count = 0; +int timer = 100; + +void setup(){ + // we make all the declarations at once + for (count=0;count<9;count++) { + pinMode(pinArray[count], OUTPUT); + } +} + +void loop() { + for (count=0;count<8;count++) { // 8 e' un numero magico + digitalWrite(pinArray[count], HIGH); + delay(timer); + digitalWrite(pinArray[count], LOW); + delay(timer); + } + for (count=8;count>=0;count--) { + digitalWrite(pinArray[count], HIGH); + delay(timer); + digitalWrite(pinArray[count], LOW); + delay(timer); + } +} + +/* Domande: + + 1. Come posso fare per saltare un elemento del loop? + 2. Come posso fare per uscire completamente dal loop? + 3. 8 e' un numero magico: come posso evitarlo? + +. +. +. +. +. +. +. +. +. +. +. +Soluzioni: + 1. utilizzare continue + 2. utilizzare break + 3. Utilizzare un variabile sarebbe gia' un inizio, ancora meglio estrarre il + valore tramite la funzione sizeof(). +Links: +- http://www.tutorialspoint.com/cprogramming/c_continue_statement.htm +- https://www.arduino.cc/en/Reference/Sizeof +*/ + +