93 lines
2.2 KiB
Arduino
93 lines
2.2 KiB
Arduino
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// Program to exercise the MD_Parola library
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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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// HARDWARE SPI
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MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
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// SOFTWARE SPI
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//MD_Parola P = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);
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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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uint8_t degC[] = { 6, 3, 3, 56, 68, 68, 68 }; // Deg C
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uint8_t degF[] = { 6, 3, 3, 124, 20, 20, 4 }; // Deg F
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uint8_t waveSine[] = { 8, 1, 14, 112, 128, 128, 112, 14, 1 }; // Sine wave
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uint8_t waveSqar[] = { 8, 1, 1, 255, 128, 128, 128, 255, 1 }; // Square wave
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uint8_t waveTrng[] = { 10, 2, 4, 8, 16, 32, 64, 32, 16, 8, 4 }; // Triangle wave
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// Global variables
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typedef struct
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{
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uint8_t spacing; // character spacing
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char *msg; // message to display
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} msgDef_t;
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msgDef_t M[] =
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{
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{ 1, "User char" },
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{ 0, "~~~~" },
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{ 1, "24$" },
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{ 0, "++++" },
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{ 1, "40&" },
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{ 0, "^^^^" }
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};
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#define MAX_STRINGS (sizeof(M)/sizeof(M[0]))
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void setup(void)
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{
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Serial.begin(57600);
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PRINTS("\n[Parola User Char Demo]");
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P.begin();
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P.addChar('$', degC);
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P.addChar('&', degF);
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P.addChar('~', waveSine);
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P.addChar('+', waveSqar);
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P.addChar('^', waveTrng);
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P.setCharSpacing(M[0].spacing);
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P.displayText(M[0].msg, PA_CENTER, P.getSpeed(), PAUSE_TIME, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
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}
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void loop(void)
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{
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static uint8_t n = 1;
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if (P.displayAnimate())
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{
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P.setTextBuffer(M[n].msg);
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P.setCharSpacing(M[n].spacing);
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P.displayReset();
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n = (n + 1) % MAX_STRINGS;
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}
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}
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