154 lines
3.3 KiB
C++
154 lines
3.3 KiB
C++
// Program to demonstrate the MD_Parola library
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//
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// For every string defined by pc[] iterate through all combinations
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// of entry and exit effects.
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//
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// Animation speed can be controlled using a pot on pin SPEED_IN
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//
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// MD_MAX72XX library can be found at https://github.com/MajicDesigns/MD_MAX72XX
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//
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#include <MD_Parola.h>
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#include <MD_MAX72xx.h>
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#include <SPI.h>
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// Define the number of devices we have in the chain and the hardware interface
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// NOTE: These pin numbers will probably not work with your hardware and may
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// need to be adapted
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#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
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#define MAX_DEVICES 8
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#define CLK_PIN 13
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#define DATA_PIN 11
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#define CS_PIN 10
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// set to 1 if we are implementing the user interface pot
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#define USE_UI_CONTROL 1
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#if USE_UI_CONTROL
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#define SPEED_IN A5
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uint8_t frameDelay = 25; // default frame delay value
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#endif // USE_UI_CONTROL
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// Hardware SPI connection
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MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
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// Arbitrary output pins
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// MD_Parola P = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);
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#define SPEED_TIME 25
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#define PAUSE_TIME 1000
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// Turn on debug statements to the serial output
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#define DEBUG 0
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#if DEBUG
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#define PRINT(s, x) { Serial.print(F(s)); Serial.print(x); }
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#define PRINTS(x) Serial.print(F(x))
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#define PRINTX(x) Serial.println(x, HEX)
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#else
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#define PRINT(s, x)
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#define PRINTS(x)
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#define PRINTX(x)
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#endif
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// Global variables
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uint8_t curText;
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char *pc[] =
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{
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"Parola for",
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"Arduino",
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};
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uint8_t inFX, outFX;
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textEffect_t effect[] =
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{
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PA_PRINT,
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PA_SCAN_HORIZ,
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PA_SCROLL_LEFT,
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PA_WIPE,
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PA_SCROLL_UP_LEFT,
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PA_SCROLL_UP,
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PA_OPENING_CURSOR,
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PA_GROW_UP,
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PA_MESH,
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PA_SCROLL_UP_RIGHT,
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PA_BLINDS,
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PA_CLOSING,
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PA_RANDOM,
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PA_GROW_DOWN,
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PA_SCAN_VERT,
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PA_SCROLL_DOWN_LEFT,
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PA_WIPE_CURSOR,
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PA_DISSOLVE,
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PA_OPENING,
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PA_CLOSING_CURSOR,
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PA_SCROLL_DOWN_RIGHT,
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PA_SCROLL_RIGHT,
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PA_SLICE,
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PA_SCROLL_DOWN,
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};
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#if USE_UI_CONTROL
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void doUI(void)
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{
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// set the speed if it has changed
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{
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int16_t speed = map(analogRead(SPEED_IN), 0, 1023, 0, 250);
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if (speed != (int16_t)P.getSpeed())
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{
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P.setSpeed(speed);
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P.setPause(speed);
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frameDelay = speed;
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PRINT("\nChanged speed to ", P.getSpeed());
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}
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}
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}
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#endif // USE_UI_CONTROL
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void setup(void)
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{
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Serial.begin(57600);
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PRINTS("[Parola Demo]");
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#if USE_UI_CONTROL
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pinMode(SPEED_IN, INPUT);
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doUI();
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#endif // USE_UI_CONTROL
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P.begin();
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P.setInvert(false);
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P.displayText(pc[curText], PA_CENTER, SPEED_TIME, PAUSE_TIME, effect[inFX], effect[outFX]);
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}
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void loop(void)
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{
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#if USE_UI_CONTROL
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doUI();
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#endif // USE_UI_CONTROL
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if (P.displayAnimate()) // animates and returns true when an animation is completed
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{
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// Set the display for the next string.
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curText = (++curText) % ARRAY_SIZE(pc);
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P.setTextBuffer(pc[curText]);
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// When we have gone back to the first string, set a new exit effect
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// and when we have done all those set a new entry effect.
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if (curText == 0)
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{
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outFX = (++outFX) % ARRAY_SIZE(effect);
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if (outFX == 0)
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{
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inFX = (++inFX) % ARRAY_SIZE(effect);
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if (inFX == 0)
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P.setInvert(!P.getInvert());
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}
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P.setTextEffect(effect[inFX], effect[outFX]);
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}
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// Tell Parola we have a new animation
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P.displayReset();
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}
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}
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