even better display code, some options (WIP)

index.js

@@ -1,11 +1,28 @@
 import { NFC } from 'nfc-pcsc'
 import fetch from 'node-fetch'
 import fs from 'fs'
+import { program } from 'commander'
 import { Feedback } from './statuslogger.js'
 
+program
+  .option('-i, --i2c-bus <num>', 'i2c bus to use for LCD display')
+  .option('--noLCD', 'don\'t use LCD display, not recommended for production use')
+  .option('-e, --emulator-port <num>', 'port of the card emulator')
+
+program.parse();
+
+const opts = program.opts()
+
 const CARDS_LOCATION = '/home/dietpi/YACards/'
-const logger = Feedback()
-logger.initLCD()
+const logger = Feedback({ bus: opts.i2cBus, noLCD: opts.noLCD })
+if (opts.noLCD) {
+  logger.info('[EABU]: Skipping LCD initialization on user\'s request')
+} else if (opts.i2cBus) {
+  logger.initLCD()
+} else {
+  logger.error('[EABU]: No i2c bus is specified, nor --noLCD is used, aborting')
+  process.exit(1)
+}
 
 logger.info('[EABU]: Starting up (if this hangs check if pcscd is running)')
 const nfc = new NFC()

package.json

@@ -2,6 +2,7 @@
   "type": "module",
   "dependencies": {
     "chalk": "^5.0.1",
+    "commander": "^9.4.1",
     "nfc-pcsc": "^0.8.1",
     "node-fetch": "^3.2.9",
     "raspberrypi-liquid-crystal": "^1.18.0",

statuslogger.js

@@ -6,7 +6,13 @@ const err = chalk.bold.redBright
 const inf = chalk.blueBright
 const wrn = chalk.yellowBright
 
-const SPINNER = ['/', '-', '\\', '|']
+const SPIN_CHARS = [
+  [0x14,0x1c,0x15,0x1,0x6,0x0,0x00,0x0],
+  [0x14,0x1c,0x15,0x1,0x6,0x0,0x10,0x0],
+  [0x14,0x1c,0x15,0x1,0x6,0x0,0x14,0x0],
+  [0x14,0x1c,0x15,0x1,0x6,0x0,0x15,0x0]
+]
+const SPINNER = SPIN_CHARS.map((c, i) => i)
 
 const STATUS_LINE = [
   'Status:      _______'
@@ -78,7 +84,7 @@ const THANKS_FOR_PLAYING = [
   'time.          t. hj',
 ]
 
-export const Feedback = () => {
+export const Feedback = ({ bus, noLCD }) => {
   const status = {
     hasLCD: false,
     spinnerIndex: 0,
@@ -98,7 +104,7 @@ export const Feedback = () => {
   }
 
   const quipSelect = () => {
-    if (status.messageCoundown !== 0) {
+    if (status.messageCoundown > 0) {
       switch (status.messageType) {
         case 'cardPresent':
           if (status.mgmgtCard === 'guest') {
@@ -118,9 +124,15 @@ export const Feedback = () => {
           return RENEW_CARD
         case 'renew_ok':
           return RENEW_CARD_OK
+	default:
+	 return [
+	  '--------------------',
+	  'ERROR: INVALID MSG!!',
+	  '--------------------',
+	]
       }
     } else {
-      if (!status.playing) {
+      if (!status.mgmtCard) {
         return IDLE
       } else {
         if (status.mgmtCard === 'guest') {
@@ -133,10 +145,10 @@ export const Feedback = () => {
   }
 
   const statusLineGenerator = () => {
-    let countdownI = countdown > 0
+    let countdownI = status.countdown > 0
       ? `${status.countdown}`.padStart(3, ' ')
       : '   '
-    let mgmtCardI = 0
+    let mgmtCardI = '-'
     if (status.mgmtCard === true) mgmtCardI = 'P'
     if (status.mgmtCard === 'guest') mgmtCardI = 'G'
     let emuCardI = status.emuCard ? 'C' : '_'
@@ -152,7 +164,7 @@ export const Feedback = () => {
     return STATUS_LINE[0].replace('_______', statusLineGenerator())
   }
 
-  const bufferGen = () => [ ...lineGen, ...quipSelect ]
+  const bufferGen = () => [ lineGen(), ...quipSelect() ]
 
   return {
     setMgmtCard(MgmtCard) {
@@ -176,21 +188,21 @@ export const Feedback = () => {
     },
     warn(...string) {
       console.warn(wrn('[!]') + ' ' + string.join(' '))
-      this.advanceSpinner()
     },
     info(...string) {
       console.info(inf('[ ]') + ' ' + string.join(' '))
-      this.advanceSpinner()
     },
     error(...string) {
       console.error(err('[!]') + ' ' + string.join(' '))
-      this.advanceSpinner()
     },
     initLCD() {
       this.info('Initializing LCD...')
 
       const loop = () => {
         const buffer = bufferGen()
+
+        this.advanceSpinner()
+        //lcd.clearSync()
         buffer.forEach((line, i) => lcd.printLineSync(i, line.substring(0, 20)))
         if (status.messageCountdown > 0) {
           status.messageCountdown--
@@ -202,7 +214,7 @@ export const Feedback = () => {
         setTimeout(loop, 500)
       }
 
-      lcd = new LCD( 1, 0x27, 20, 4 );
+      lcd = new LCD(Number(bus), 0x27, 20, 4);
       lcd
         .begin()
         .then(() => {
@@ -213,6 +225,9 @@ export const Feedback = () => {
           lcd.printLineSync(1, '   Maximum Tune 3DX+')
           lcd.printLineSync(2, ' IC card support    ')
           lcd.printLineSync(3, '    by HJ (and GXTX)')
+          SPIN_CHARS.forEach((c, i) => {
+            lcd.createCharSync(i, c)
+          })
 
           setTimeout(loop, 3000)
         })
@@ -223,7 +238,9 @@ export const Feedback = () => {
     },
     advanceSpinner() {
       if (status.spinnerIndex >= SPINNER.length) status.spinnerIndex = 0
-      status.spinner = SPINNER[status.spinnerIndex++]
+      console.log(lcd)
+      status.spinner = LCD.getChar(status.spinnerIndex++)
+      console.log(status.spinner)
     }
   }
 }

yarn.lock

@@ -22,6 +22,11 @@ chalk@^5.0.1:
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-5.0.1.tgz#ca57d71e82bb534a296df63bbacc4a1c22b2a4b6"
   integrity sha512-Fo07WOYGqMfCWHOzSXOt2CxDbC6skS/jO9ynEcmpANMoPrD+W1r1K6Vx7iNm+AQmETU1Xr2t+n8nzkV9t6xh3w==
 
+commander@^9.4.1:
+  version "9.4.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-9.4.1.tgz#d1dd8f2ce6faf93147295c0df13c7c21141cfbdd"
+  integrity sha512-5EEkTNyHNGFPD2H+c/dXXfQZYa/scCKasxWcXJaWnNJ99pnQN9Vnmqow+p+PlFPE63Q6mThaZws1T+HxfpgtPw==
+
 data-uri-to-buffer@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/data-uri-to-buffer/-/data-uri-to-buffer-4.0.0.tgz#b5db46aea50f6176428ac05b73be39a57701a64b"