79 lines
2.6 KiB
Arduino
79 lines
2.6 KiB
Arduino
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#include <DigiUSB.h>
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#include <EEPROM.h>
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#include "LedControl.h"
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/*
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Now we need a LedControl to work with.
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pin 2 is connected to the DataIn
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pin 1 is connected to the CLK
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pin 0 is connected to LOAD
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We have only a single MAX72XX.
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*/
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LedControl lc=LedControl(2,1,0,1);
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void setup() {
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DigiUSB.begin();
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/*
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The MAX72XX is in power-saving mode on startup,
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we have to do a wakeup call
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*/
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lc.shutdown(0,false);
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/* Set the brightness to a medium values */
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lc.setIntensity(0,0);
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/* and clear the display */
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lc.clearDisplay(0);
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delay(1000);
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}
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void loop() {
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byte lastRead;
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byte lastCmd = 0xFF;
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byte value;
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DigiUSB.refresh();
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while (true) { // loop forever
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if (DigiUSB.available()) {
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// something to read
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lastRead = DigiUSB.read();
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if (lastRead >= 0x20 && lastRead<=0x7F){
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if (lastCmd == 0xFF){ // Если ранее команд не было, значит считываем команду
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lastCmd = lastRead;
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}else{ // команда есть, операнд считали, выполняем
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if (lastCmd >=0x41 && lastCmd <=0x48){ // команда установки в сегменте нужного кода ABCDEFGH
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value = EEPROM.read(lastRead);
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lc.setRow(0, 7-(lastCmd-0x41), value+0x80);
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}else if (lastCmd >=0x61 && lastCmd <=0x68){ // команда установки в сегменте нужного кода abcdefgh
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value = EEPROM.read(lastRead);
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lc.setRow(0, 7-(lastCmd-0x61), value);
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}else if (lastCmd == 0x69){ // команда яркости i 0..9abcdef
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if (lastRead >=0x30 && lastRead <= 0x39){
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lc.setIntensity(0, lastRead-0x30);
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}else if (lastRead >=0x61 && lastRead <= 0x66){
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lc.setIntensity(0, lastRead-0x57);
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}
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}else if (lastCmd == 0x6C){ // команда количества разрядов l 0..7
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if (lastRead >=0x30 && lastRead <= 0x37){
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lc.setScanLimit(0, lastRead-0x30);
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}
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}else if (lastCmd == 0x78){ // команда очистки экрана x0
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if (lastRead == 0x30){
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lc.clearDisplay(0);
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}
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}else if (lastCmd == 0x73){ // команда s0..1
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if (lastRead == 0x30){
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lc.shutdown(0,false);
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}else{
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lc.shutdown(0,true);
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}
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}
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lastCmd = 0xFF;
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}
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}else{
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lastCmd = 0xFF;
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}
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}
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// refresh the usb port for 10 milliseconds
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DigiUSB.delay(10);
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}
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}
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