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94 lines
2.3 KiB
94 lines
2.3 KiB
// Program to exercise the MD_Parola library |
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// |
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// Demonstrate the use of single characters font file replacements. |
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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 11 |
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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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const uint8_t degC[] = { 6, 3, 3, 56, 68, 68, 68 }; // Deg C |
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const uint8_t degF[] = { 6, 3, 3, 124, 20, 20, 4 }; // Deg F |
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const uint8_t waveSine[] = { 8, 1, 14, 112, 128, 128, 112, 14, 1 }; // Sine wave |
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const uint8_t waveSqar[] = { 8, 1, 1, 255, 128, 128, 128, 255, 1 }; // Square wave |
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const 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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const 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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