324 lines
11 KiB
Plaintext
324 lines
11 KiB
Plaintext
#define BAUD 115200
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//TLC5940NT pin definitions
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#define VPRG 2
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#define SIN 11
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#define SCLK 13
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#define XLAT 4
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#define BLANK 5
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#define DCPRG 6
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#define GSCLK 7
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#define intensidad 500 //0 - 4095
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#define MISO 12 //No se usan
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#define SS 10 //No se usan
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const byte remap[7][5] = { //Mapeo de los leds
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{6,17,24,35,42},
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{5,16,23,34,41},
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{4,11,22,33,40},
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{3,10,21,32,39},
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{2,9,20,27,38},
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{1,8,19,26,37},
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{0,7,18,25,36},
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};
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int modo= 26;
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byte numero[10][7] = { { B01110, B10001, B10011, B10101, B11001, B10001, B01110}, //48 = '0'
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{ B00100, B01100, B10100, B00100, B00100, B00100, B11111}, //49 = '1'
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{ B01110, B10001, B00001, B00110, B01000, B10000, B11111}, //50 = '2'
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{ B01110, B10001, B00001, B01110, B00001, B10001, B01110}, //51 = '3'
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{ B00010, B00110, B01010, B10010, B11111, B00010, B00010}, //52 = '4'
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{ B11111, B10000, B11110, B00001, B00001, B10001, B01110}, //53 = '5'
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{ B01110, B10001, B10000, B11110, B10001, B10001, B01110}, //54 = '6'
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{ B11111, B00001, B00010, B00100, B01000, B10000, B10000}, //55 = '7'
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{ B01110, B10001, B10001, B01110, B10001, B10001, B01110}, //56 = '8'
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{ B01110, B10001, B10001, B01111, B00001, B10001, B01110}, //57 = '9'
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};
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byte caracterA[13][7] = {{ B01110, B10001, B10001, B11111, B10001, B10001, B10001}, //65 = 'A'
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{ B11110, B10001, B10001, B11110, B10001, B10001, B11110}, //66 = 'B'
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{ B01110, B10001, B10000, B10000, B10000, B10001, B01110}, //67 = 'C'
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{ B11110, B10001, B10001, B10001, B10001, B10001, B11110}, //68 = 'D'
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{ B11111, B10000, B10000, B11110, B10000, B10000, B11111}, //69 = 'E'
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{ B11111, B10000, B10000, B11110, B10000, B10000, B10000}, //70 = 'F'
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{ B01110, B10001, B10000, B10111, B10001, B10001, B01110}, //71 = 'G'
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{ B10001, B10001, B10001, B11111, B10001, B10001, B10001}, //72 = 'H'
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{ B11111, B00100, B00100, B00100, B00100, B00100, B11111}, //73 = 'I'
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{ B00001, B00001, B00001, B00001, B10001, B10001, B01110}, //74 = 'J'
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{ B10001, B10010, B10100, B11000, B10100, B10010, B10001}, //75 = 'K'
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{ B10000, B10000, B10000, B10000, B10000, B10000, B11111}, //76 = 'L'
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{ B10001, B11011, B10101, B10001, B10001, B10001, B10001}, //77 = 'M'
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};
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byte caracterB[14][7] = {{ B10001, B11001, B10101, B10011, B10001, B10001, B10001}, //78 = 'N'
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{ B01110, B10001, B10001, B10001, B10001, B10001, B01110}, //79 = 'O'
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{ B11110, B10001, B10001, B11110, B10000, B10000, B10000}, //80 = 'P'
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{ B01110, B10001, B10001, B10001, B10101, B10101, B01110}, //81 = 'Q'
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{ B11110, B10001, B10001, B11110, B10100, B10010, B10001}, //82 = 'R'
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{ B01110, B10001, B10000, B01110, B00001, B10001, B01110}, //83 = 'S'
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{ B11111, B00100, B00100, B00100, B00100, B00100, B00100}, //84 = 'T'
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{ B10001, B10001, B10001, B10001, B10001, B10001, B01110}, //85 = 'U'
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{ B10001, B10001, B10001, B10001, B10001, B01010, B00100}, //86 = 'V'
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{ B10001, B10001, B10001, B10001, B10101, B10101, B01010}, //87 = 'W'
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{ B10001, B10001, B01010, B00100, B01010, B10001, B10001}, //88 = 'X'
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{ B10001, B10001, B01010, B00100, B00100, B00100, B00100}, //89 = 'Y'
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{ B11111, B00001, B00010, B00100, B01000, B10000, B11111}, //90 = 'Z'
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{ B10000, B10000, B10000, B10010, B01010, B00110, B11110}, //flecha = 35
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};
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byte espacio[7] = { B00000, B00000, B00000, B00000, B00000, B00000, B00000}; //32 = ' '
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byte sonrisa[7] = { B00000, B01110, B10001, B00000, B01010, B01010, B00000}; //32 = ' '
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// Holds the current colour level for each of the buttons
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int levelW[64] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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// Variables for interpreting the serial commands
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int command = 32;
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byte command_ant = 32;
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byte finish = 1;
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byte count = 0;
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// For interrupt timing; needed only to do intermediate clock speeds
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/* Divide interrupt frequency by a factor of FREQ. It is preferable to keep
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FREQ as small as possible, and control the frequency of the interrupts
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using the hardware clock. Setting it to 1 disables this entirely, which,
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if it works, is ideal; this should be the same as commenting out the
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"#define FREQ" statement entirely.
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*/
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#define FREQ 100 // How many interrupts occur before the serial commands are read
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#if FREQ > 1
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byte int_counter = 0;
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#endif
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// Transfer a character out over hardware SPI
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char spi_transfer(volatile byte data)
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{
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SPDR = data; // Start the transmission
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while (!(SPSR & (1<<SPIF))) // Wait the end of the transmission
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{
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};
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return SPDR; // return the received byte
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}
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// Run this animation once at startup. Currently unfinished.
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void startup(){
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for(byte x = 0; x < 7; ++x){
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for(byte y = 0; y <5; ++y){
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//levelR[remap[x][y]] = 4095;
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levelW[remap[x][y]] = intensidad;
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for(int i = 0; i <50; ++i) makemagic();
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}
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}
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}
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ISR(TIMER2_OVF_vect) {
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sei(); //Reenable global interrupts, otherwise serial commands will get dropped
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#if FREQ > 1
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if(++int_counter == FREQ){ // Only do this once every FREQ-th interrupt
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int_counter = 0;
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#endif //FREQ
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if(Serial.available()){
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int val = Serial.read();
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if ((val==13)||(val==10)) //INTRO
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{
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if(val!=10)
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{
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Serial.print(val,BYTE);
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count=0;
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finish=0;
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modo=8;
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}
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}
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else if (count==1) Serial.print(val,BYTE); //tunel
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else
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{
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command=val;
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if (command==32) modo=1; //Espacio
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else if ((command<58)&&(command>=48)) modo=2; //Numeros
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else if ((command<78)&&(command>=65)) modo=3; //Letras de la 'A' a la 'M'
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else if ((command<92)&&(command>=78)) modo=5; //Letras de la 'N' a la 'Z' y la flecha
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else if ((command<110)&&(command>=97)) modo=4; //Letras de la 'a' a 'm'
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else if ((command<123)&&(command>=110)) modo=6; //Letras de la 'n' a la 'z'
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else modo=7;
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count=1;
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}
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}
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// If the serial buffer is getting too close to full, keep executing the parsing until it falls below a given level
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// This might cause flicker, or even dropped messages, but it should prevent a crash.
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#if FREQ > 1
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}
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#endif //FREQ
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}
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void setup() {
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//Setup data directions, and set everything to the correct initial levels,
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// For TLC5940
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pinMode(VPRG, OUTPUT);
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pinMode(SIN, OUTPUT);
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pinMode(SCLK, OUTPUT);
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pinMode(XLAT, OUTPUT);
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pinMode(BLANK, OUTPUT);
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pinMode(DCPRG, OUTPUT);
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pinMode(GSCLK, OUTPUT);
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pinMode(MISO, INPUT);
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pinMode(SS,OUTPUT);
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digitalWrite(SS,HIGH); //disable device
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digitalWrite(SIN, LOW);
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digitalWrite(SCLK, LOW);
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digitalWrite(XLAT, LOW);
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digitalWrite(VPRG, LOW);
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digitalWrite(BLANK, HIGH);
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digitalWrite(GSCLK, HIGH);
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digitalWrite(DCPRG, LOW); // USE EEPROM DC register if LOW
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byte gira_prov[7] = { B00000, B00000, B00000, B00000, B00000, B00000, B00000};
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for(int j = 0; j<10; j++){
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for(int i = 0; i<7; i++){
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gira_prov[i]=numero[j][6-i];
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}
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for(int i = 0; i<7; i++){
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numero[j][i]=gira_prov[i];
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}
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}
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for(int j = 0; j<13; j++){
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for(int i = 0; i<7; i++){
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gira_prov[i]=caracterA[j][6-i];
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}
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for(int i = 0; i<7; i++){
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caracterA[j][i]=gira_prov[i];
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}
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}
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for(int j = 0; j<14; j++){
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for(int i = 0; i<7; i++){
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gira_prov[i]=caracterB[j][6-i];
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}
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for(int i = 0; i<7; i++){
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caracterB[j][i]=gira_prov[i];
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}
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}
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//Setup the Hardware SPI registers
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// SPCR = 01010000
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//interrupt disabled,spi enabled,msb 1st,master,clk low when idle,
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//sample on leading edge of clk,system clock/4 (fastest)
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byte clr;
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SPCR = (1<<SPE)|(1<<MSTR);
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clr=SPSR;
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clr=SPDR;
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delay(10);
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// Start the serial port
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Serial.begin(BAUD);
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delay(10);
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TCCR2A = 0;
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TCCR2B = 0<<CS22 | 1<<CS21 | 1<<CS20;
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//Timer2 Overflow Interrupt Enable
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TIMSK2 = 1<<TOIE2;
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delay(10);
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Serial.print(13,BYTE);
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// Run the startup animation
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//startup();
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}
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void loop () {
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switch (modo) {
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case 1: if (finish) {letra(espacio,espacio); modo=0;} break;
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case 2: if (finish) {letra(numero[command-48],espacio); modo=0;} break;
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case 3: if (finish) {letra(caracterA[command-65],espacio); modo=0;} break;
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case 4: if (finish) {letra(caracterA[command-97],espacio); modo=0;} break;
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case 5: if (finish) {letra(caracterB[command-78],espacio); modo=0;} break;
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case 6: if (finish) {letra(caracterB[command-110],espacio); modo=0;} break;
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case 7: if (finish) {letra(sonrisa,espacio); modo=0;} break;
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case 8: letra(espacio,espacio); if (modo==8) modo=0; finish=1; break;
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}
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makemagic();
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}
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void makemagic(){
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setGreysW();
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feedPorts();
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}
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void setGreysW() {
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digitalWrite(BLANK, HIGH);
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digitalWrite(XLAT,LOW);
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for(int i = 21; i>=0; i--){
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spi_transfer( (levelW[2*i+1] & 0x0FF0) >> 4 );
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spi_transfer( ((levelW[2*i+1] & 0xF) << 4) | ((levelW[2*i] & 0x0F00) >> 8) );
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spi_transfer( levelW[2*i] & 0xFF);
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}
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digitalWrite(XLAT,HIGH);
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digitalWrite(XLAT,LOW);
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digitalWrite(BLANK, LOW);
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}
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void feedPorts() {
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// Clock for TLC5940's PWM
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digitalWrite(BLANK, HIGH);
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digitalWrite(BLANK, LOW); //=all outputs ON, start PWM cycle
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for (int i=0; i<4096; i++) {
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pulseGSCLK();
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}
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}
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void pulseGSCLK() {
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//ultra fast pulse trick, using digitalWrite caused flickering
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PORTD |= 0x80 ; // bring pin 7 high, but don't touch any of the other pins in PORTB
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//16 nanosecs is the min pulse width for the 5940, but no pause seems needed here
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PORTD &= 0x7F; // bring pin 7 low without touching the other pins in PORTB
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}
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byte letra(byte let[7], byte let_ant[7]) {
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byte letbool=0;
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byte let_new[7] = { B00000, B00000, B00000, B00000, B00000, B00000, B00000};
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for(byte j = 1; j <6; ++j){
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//let_new[1]=((let_ant[1]<<j)|(let[1]>>(5-j)));
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for(byte h = 0; h <7; ++h){
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let_new[h]=((0X1F&(let_ant[h]<<j))|(let[h]>>(5-j)));
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/*Serial.print("Display actual ");
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Serial.print(let[h]+0x20,BIN);
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Serial.print(' ');
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Serial.print("Display anterior ");
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Serial.print(let_ant[h]+0x20,BIN);
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Serial.print(' ');
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Serial.print("Visualiza ");
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Serial.println(let_new[h]+0x20,BIN);*/
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}
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letbool=0;
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for(byte x = 0; x < 7; ++x){
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for(byte y = 0; y <5; ++y){
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//if (0x10&(let_new[letbool]<<y)) levelW[remap[x][y]] = intensidad;
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if (0x01&let_new[letbool]>>y) levelW[remap[x][y]] = intensidad;
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else levelW[remap[x][y]] = 0;
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}
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++letbool;
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}
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for(int i = 0; i <20; ++i) makemagic();
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}
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}
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