add logging

.gitignore

@@ -1,2 +1 @@
-node_modules
+node_modules
-prisma/data.db

build/screen.js

@@ -14,6 +14,7 @@ const getStanza = async (register) => {
             register,
         },
     });
+    console.log(register, stanzaCount, skip, randomStanza);
     return randomStanza[0].text;
 };
 // Play portal wave PCM data and set bands
@@ -26,7 +27,8 @@ let register = "high";
 let count = 0;
 setInterval(() => {
     const absSample = Math.abs(audioData.channelData[0][count]);
-    if (count == totalSamples - 1) {
+    if (count == 100) {
+        //totalSamples - 1) {
         count = 0;
     }
     else {
@@ -40,7 +42,9 @@ setInterval(() => {
         register = "low";
     }
     sample = absSample;
+    console.log(count);
 }, 1);
+// Setup lcd screen
 const lcd = new LCD(1, 0x27, 16, 2);
 lcd.beginSync();
 lcd.clearSync();
@@ -52,27 +56,32 @@ let tagCharacterLocation = 0;
 setInterval(() => {
     lcd.printLineSync(1, "                ");
     setTimeout(() => {
-        lcd.printLineSync(1, tag.substring(tagCharacterLocation, 16 + tagCharacterLocation));
+        lcd.printLineSync(1, tag);
     }, WAIT);
     tagCharacterLocation++;
     if (tagCharacterLocation > tag.length) {
         tagCharacterLocation = 0;
     }
 }, TICK);
+let characterLocation = 0;
+let stanzaText = "";
+let endBuffer = "";
+let totalTicks = 0;
 // Play top line
-let stanzaCharacterLocation = 0;
-let stanza = await getStanza(register);
 while (true) {
-    if (stanzaCharacterLocation == stanza.length) {
+    if (characterLocation == totalTicks) {
-        stanzaCharacterLocation = 0;
+        characterLocation = 0;
-        stanza = await getStanza(register);
+        stanzaText = await getStanza(register);
+        endBuffer =
+            stanzaText.length > 16 ? "" : Array(16 - stanzaText.length).join(" ");
+        totalTicks = stanzaText.length + endBuffer.length;
     }
     lcd.printLineSync(0, "                ");
     setTimeout(() => {
-        lcd.printLineSync(0, `${16 - stanzaCharacterLocation > 0
+        lcd.printLineSync(0, `${totalTicks - characterLocation > 0
-            ? Array(16 - stanzaCharacterLocation).join(" ")
+            ? Array(16 - characterLocation).join(" ")
-            : ""}${stanza}`.substring(stanzaCharacterLocation, stanza.length));
+            : ""}${stanzaText + endBuffer}`);
     }, WAIT);
     await timer(TICK);
-    stanzaCharacterLocation++;
+    characterLocation++;
 }

prisma/seed.ts

@@ -4,28 +4,28 @@ import { parse } from "csv";
 
 const prisma = new PrismaClient();
 // lyrics from https://docs.google.com/spreadsheets/d/1b8gANkghKpJKPzsPEigggxOydGgM8ntX0EAI4rPwbSU/edit?gid=0#gid=0
-// csv header: Artist,Album,Song,Stanza
+// csv header: Register,Artist,Album,Song,Stanza
 const parser = fs.createReadStream(`prisma/lyrics.csv`).pipe(parse());
 for await (const record of parser) {
-  console.log(record[3]);
+  console.log(record[4]);
   await prisma.stanza.create({
     data: {
-      text: record[3],
+      text: record[4],
-      register: record[4],
+      register: record[0],
       song: {
         connectOrCreate: {
           where: {
-            name: record[2],
+            name: record[3],
           },
           create: {
-            name: record[2],
+            name: record[3],
             artist: {
               connectOrCreate: {
                 where: {
-                  name: record[0],
+                  name: record[1],
                 },
                 create: {
-                  name: record[0],
+                  name: record[1],
                 },
               },
             },

screen.ts

@@ -9,7 +9,6 @@ const prisma = new PrismaClient();
 const getStanza = async (register: string) => {
   const stanzaCount = await prisma.stanza.count({ where: { register } });
   const skip = Math.floor(Math.random() * stanzaCount);
-
   const randomStanza = await prisma.stanza.findMany({
     skip: skip,
     take: 1,
@@ -18,10 +17,30 @@ const getStanza = async (register: string) => {
     },
   });
 
+  if (!randomStanza || !randomStanza[0].text) {
+    console.log(
+      register,
+      stanzaCount,
+      skip,
+      randomStanza,
+      "no stanza found in db"
+    );
+    // try one more time
+    const anotherStanzaTry = await prisma.stanza.findMany({
+      skip: skip,
+      take: 1,
+      where: {
+        register,
+      },
+    });
+    return anotherStanzaTry[0].text as string;
+  }
+
   return randomStanza[0].text as string;
 };
 
 // Play portal wave PCM data and set bands
+// This file has been downsampled to 1000hz (1,000 samples per second)
 const fileData = fs.readFileSync("/home/grace/portal/blackportal1000.wav");
 const wavFileInfo = WavFileDecoder.getWavFileInfo(fileData);
 const audioData = WavFileDecoder.decodeWavFile(fileData);
@@ -37,6 +56,7 @@ setInterval(() => {
   const absSample = Math.abs(audioData.channelData[0][count]);
   if (count == totalSamples - 1) {
     count = 0;
+    console.log("total samples reached");
   } else {
     count++;
   }
@@ -49,8 +69,10 @@ setInterval(() => {
   }
 
   sample = absSample;
+  console.log(count);
 }, 1);
 
+// Setup lcd screen
 const lcd = new LCD(1, 0x27, 16, 2);
 lcd.beginSync();
 lcd.clearSync();
@@ -66,10 +88,7 @@ let tagCharacterLocation = 0;
 setInterval(() => {
   lcd.printLineSync(1, "                ");
   setTimeout(() => {
-    lcd.printLineSync(
+    lcd.printLineSync(1, tag);
-      1,
-      tag.substring(tagCharacterLocation, 16 + tagCharacterLocation)
-    );
   }, WAIT);
 
   tagCharacterLocation++;
@@ -78,26 +97,33 @@ setInterval(() => {
   }
 }, TICK);
 
+let characterLocation = 0;
+let stanzaText = "";
+let endBuffer = "";
+let totalTicks = 0;
 // Play top line
-let stanzaCharacterLocation = 0;
-let stanza = await getStanza(register);
 while (true) {
-  if (stanzaCharacterLocation == stanza.length) {
+  if (characterLocation == totalTicks) {
-    stanzaCharacterLocation = 0;
+    characterLocation = 0;
-    stanza = await getStanza(register);
+    stanzaText = await getStanza(register);
+    endBuffer =
+      stanzaText.length > 16 ? "" : Array(16 - stanzaText.length).join(" ");
+    totalTicks = stanzaText.length + endBuffer.length;
+  }
+  if (!stanzaText) {
+    console.log("no stanza text in stanza scroller");
   }
-
   lcd.printLineSync(0, "                ");
   setTimeout(() => {
     lcd.printLineSync(
       0,
       `${
-        16 - stanzaCharacterLocation > 0
+        totalTicks - characterLocation > 0
-          ? Array(16 - stanzaCharacterLocation).join(" ")
+          ? Array(16 - characterLocation).join(" ")
           : ""
-      }${stanza}`.substring(stanzaCharacterLocation, stanza.length)
+      }${stanzaText + endBuffer}`
     );
   }, WAIT);
   await timer(TICK);
-  stanzaCharacterLocation++;
+  characterLocation++;
 }