esp-web-flasher - npm Package Compare versions

Comparing version 2.1.1 to 3.0.0

dist/const.d.ts

@@ -47,2 +47,5 @@ export interface Logger {
 export declare const ESP_CHECKSUM_MAGIC = 239;
+export declare const ESP_FLASH_DEFL_BEGIN = 16;
+export declare const ESP_FLASH_DEFL_DATA = 17;
+export declare const ESP_FLASH_DEFL_END = 18;
 export declare const ROM_INVALID_RECV_MSG = 5;
@@ -49,0 +52,0 @@ export declare const USB_RAM_BLOCK = 2048;

dist/const.js

@@ -43,2 +43,5 @@ import { toByteArray } from "./util";
 export const ESP_CHECKSUM_MAGIC = 0xef;
+export const ESP_FLASH_DEFL_BEGIN = 0x10;
+export const ESP_FLASH_DEFL_DATA = 0x11;
+export const ESP_FLASH_DEFL_END = 0x12;
 export const ROM_INVALID_RECV_MSG = 0x05;
@@ -45,0 +48,0 @@ export const USB_RAM_BLOCK = 0x800;

dist/esp_loader.d.ts

@@ -98,3 +98,3 @@ /// <reference types="w3c-web-serial" />
      */
-    flashData(binaryData: ArrayBuffer, updateProgress: (bytesWritten: number) => void, offset?: number): Promise<void>;
+    flashData(binaryData: ArrayBuffer, updateProgress: (bytesWritten: number, totalBytes: number) => void, offset?: number, compress?: boolean): Promise<void>;
     /**
@@ -105,2 +105,3 @@ * @name flashBlock
     flashBlock(data: number[], seq: number, timeout?: number): Promise<void>;
+    flashDeflBlock(data: number[], seq: number, timeout?: number): Promise<void>;
     /**
@@ -112,3 +113,9 @@ * @name flashBegin
     flashBegin(size?: number, offset?: number, encrypted?: boolean): Promise<number>;
+    /**
+     * @name flashDeflBegin
+     *
+     */
+    flashDeflBegin(size?: number, compressedSize?: number, offset?: number, encrypted?: boolean): Promise<number>;
     flashFinish(): Promise<void>;
+    flashDeflFinish(): Promise<void>;
     /**
@@ -115,0 +122,0 @@ * @name getEraseSize

dist/esp_loader.js

@@ -1,4 +0,5 @@
-import { CHIP_FAMILY_ESP32, CHIP_FAMILY_ESP32S2, CHIP_FAMILY_ESP8266, MAX_TIMEOUT, DEFAULT_TIMEOUT, ERASE_REGION_TIMEOUT_PER_MB, ESP32S2_DATAREGVALUE, ESP32_DATAREGVALUE, ESP8266_DATAREGVALUE, ESP_CHANGE_BAUDRATE, ESP_CHECKSUM_MAGIC, ESP_FLASH_BEGIN, ESP_FLASH_DATA, ESP_FLASH_END, ESP_MEM_BEGIN, ESP_MEM_DATA, ESP_MEM_END, ESP_READ_REG, ESP_SPI_ATTACH, ESP_SPI_SET_PARAMS, ESP_SYNC, FLASH_SECTOR_SIZE, FLASH_WRITE_SIZE, STUB_FLASH_WRITE_SIZE, MEM_END_ROM_TIMEOUT, ROM_INVALID_RECV_MSG, SYNC_PACKET, SYNC_TIMEOUT, USB_RAM_BLOCK, ESP_ERASE_FLASH, CHIP_ERASE_TIMEOUT, timeoutPerMb, ESP_ROM_BAUD, } from "./const";
+import { CHIP_FAMILY_ESP32, CHIP_FAMILY_ESP32S2, CHIP_FAMILY_ESP8266, MAX_TIMEOUT, DEFAULT_TIMEOUT, ERASE_REGION_TIMEOUT_PER_MB, ESP32S2_DATAREGVALUE, ESP32_DATAREGVALUE, ESP8266_DATAREGVALUE, ESP_CHANGE_BAUDRATE, ESP_CHECKSUM_MAGIC, ESP_FLASH_BEGIN, ESP_FLASH_DATA, ESP_FLASH_END, ESP_MEM_BEGIN, ESP_MEM_DATA, ESP_MEM_END, ESP_READ_REG, ESP_SPI_ATTACH, ESP_SPI_SET_PARAMS, ESP_SYNC, FLASH_SECTOR_SIZE, FLASH_WRITE_SIZE, STUB_FLASH_WRITE_SIZE, MEM_END_ROM_TIMEOUT, ROM_INVALID_RECV_MSG, SYNC_PACKET, SYNC_TIMEOUT, USB_RAM_BLOCK, ESP_ERASE_FLASH, CHIP_ERASE_TIMEOUT, timeoutPerMb, ESP_ROM_BAUD, ESP_FLASH_DEFL_BEGIN, ESP_FLASH_DEFL_DATA, ESP_FLASH_DEFL_END, } from "./const";
 import { getStubCode } from "./stubs";
 import { pack, sleep, slipEncode, toHex, unpack } from "./util";
+import * as pako from "pako";
 export class ESPLoader extends EventTarget {
@@ -487,32 +488,66 @@ constructor(port, logger, _parent) {
      */
-    async flashData(binaryData, updateProgress, offset = 0) {
-        let filesize = binaryData.byteLength;
-        this.logger.log("Writing data with filesize:" + filesize);
-        await this.flashBegin(filesize, offset);
+    async flashData(binaryData, updateProgress, offset = 0, compress = false) {
+        let uncompressedFilesize = binaryData.byteLength;
+        let compressedFilesize = 0;
+        let dataToFlash;
+        if (compress) {
+            dataToFlash = pako.deflate(new Uint8Array(binaryData), {
+                level: 9,
+            }).buffer;
+            compressedFilesize = dataToFlash.byteLength;
+            this.logger.log(`Writing data with filesize: ${uncompressedFilesize}. Compressed Size: ${compressedFilesize}`);
+            await this.flashDeflBegin(uncompressedFilesize, compressedFilesize, offset);
+        }
+        else {
+            this.logger.log(`Writing data with filesize: ${uncompressedFilesize}`);
+            dataToFlash = binaryData;
+            await this.flashBegin(uncompressedFilesize, offset);
+        }
         let block = [];
         let seq = 0;
         let written = 0;
-        // let address = offset;
         let position = 0;
         let stamp = Date.now();
         let flashWriteSize = this.getFlashWriteSize();
+        let filesize = compress ? compressedFilesize : uncompressedFilesize;
         while (filesize - position > 0) {
-            /*logMsg(
-                "Writing at " + toHex(address + seq * flashWriteSize, 8) + "... (" + percentage + " %)"
-            );*/
+            if (this.debug) {
+                this.logger.log(`Writing at ${toHex(offset + seq * flashWriteSize, 8)} `);
+            }
             if (filesize - position >= flashWriteSize) {
-                block = Array.from(new Uint8Array(binaryData, position, flashWriteSize));
+                block = Array.from(new Uint8Array(dataToFlash, position, flashWriteSize));
             }
             else {
-                // Pad the last block
-                block = Array.from(new Uint8Array(binaryData, position, filesize - position));
-                block = block.concat(new Array(flashWriteSize - block.length).fill(0xff));
+                // Pad the last block only if we are sending uncompressed data.
+                block = Array.from(new Uint8Array(dataToFlash, position, filesize - position));
+                if (!compress) {
+                    block = block.concat(new Array(flashWriteSize - block.length).fill(0xff));
+                }
             }
-            await this.flashBlock(block, seq, 2000);
+            if (compress) {
+                await this.flashDeflBlock(block, seq, 2000);
+            }
+            else {
+                await this.flashBlock(block, seq, 2000);
+            }
             seq += 1;
-            written += block.length;
+            // If using compression we update the progress with the proportional size of the block taking into account the compression ratio.
+            // This way we report progress on the uncompressed size
+            written += compress
+                ? Math.round((block.length * uncompressedFilesize) / compressedFilesize)
+                : block.length;
             position += flashWriteSize;
-            updateProgress(written);
+            updateProgress(written, filesize);
         }
         this.logger.log("Took " + (Date.now() - stamp) + "ms to write " + filesize + " bytes");
+        // Only send flashF finish if running the stub because ir causes the ROM to exit and run user code
+        if (this.IS_STUB) {
+            await this.flashBegin(0, 0);
+            if (compress) {
+                await this.flashDeflFinish();
+            }
+            else {
+                await this.flashFinish();
+            }
+        }
     }
@@ -526,2 +561,5 @@ /**
     }
+    async flashDeflBlock(data, seq, timeout = 100) {
+        await this.checkCommand(ESP_FLASH_DEFL_DATA, pack("<IIII", data.length, seq, 0, 0).concat(data), this.checksum(data));
+    }
     /**
@@ -579,2 +617,27 @@ * @name flashBegin
     }
+    /**
+     * @name flashDeflBegin
+     *
+     */
+    async flashDeflBegin(size = 0, compressedSize = 0, offset = 0, encrypted = false) {
+        // Start downloading compressed data to Flash (performs an erase)
+        // Returns number of blocks to write.
+        let flashWriteSize = this.getFlashWriteSize();
+        let numBlocks = Math.floor((compressedSize + flashWriteSize - 1) / flashWriteSize);
+        let eraseBlocks = Math.floor((size + flashWriteSize - 1) / flashWriteSize);
+        let writeSize = 0;
+        let timeout = 0;
+        let buffer;
+        if (this.IS_STUB) {
+            writeSize = size; // stub expects number of bytes here, manages erasing internally
+            timeout = DEFAULT_TIMEOUT;
+        }
+        else {
+            writeSize = eraseBlocks * flashWriteSize; // ROM expects rounded up to erase block size
+            timeout = timeoutPerMb(ERASE_REGION_TIMEOUT_PER_MB, writeSize); // ROM performs the erase up front
+        }
+        buffer = pack("<IIII", writeSize, numBlocks, flashWriteSize, offset);
+        await this.checkCommand(ESP_FLASH_DEFL_BEGIN, buffer, 0, timeout);
+        return numBlocks;
+    }
     async flashFinish() {
@@ -584,2 +647,6 @@ let buffer = pack("<I", 1);
     }
+    async flashDeflFinish() {
+        let buffer = pack("<I", 1);
+        await this.checkCommand(ESP_FLASH_DEFL_END, buffer);
+    }
     /**
@@ -586,0 +653,0 @@ * @name getEraseSize

dist/web/index.js

@@ -1,1 +0,1 @@
-const t=t=>{let e=[];for(let i of t)219==i?e=e.concat([219,221]):192==i?e=e.concat([219,220]):e.push(i);return e},e=t=>{let e=[];for(let i=0;i<t.length;i++){let a=t.charCodeAt(i);a<=255&&e.push(a)}return e},i=(t,...e)=>{let i=0;if(t.replace(/[<>]/,"").length!=e.length)throw new Error("Pack format to Argument count mismatch");let a=[],s=!0;const r=(t,e)=>{for(let i=0;i<e;i++)s?a.push(t>>8*i&255):a.push(t>>8*(e-i)&255)};for(let a=0;a<t.length;a++)if("<"==t[a])s=!0;else if(">"==t[a])s=!1;else if("B"==t[a])r(e[i],1),i++;else if("H"==t[a])r(e[i],2),i++;else{if("I"!=t[a])throw new Error(`Unhandled character "${t[a]}" in pack format`);r(e[i],4),i++}return a},a=(t,e=2)=>"0x"+t.toString(16).toUpperCase().padStart(e,"0"),s=t=>new Promise((e=>setTimeout(e,t))),r=e(" UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU"),n=33382,h=50,o=12882,l=async t=>{let i;return t==h?i=await import("./esp32-9a0a29d9.js"):t==o?i=await import("./esp32s2-70924167.js"):33382==t&&(i=await import("./esp8266-695df45b.js")),{...i,text:e(atob(i.text)),data:e(atob(i.data))}};class c extends EventTarget{constructor(t,e,i){super(),this.port=t,this.logger=e,this._parent=i,this.chipName=null,this._efuses=new Array(4).fill(0),this._flashsize=4194304,this.debug=!1,this.IS_STUB=!1,this.connected=!0,this.stopReadLoop=!1}get _inputBuffer(){return this._parent?this._parent._inputBuffer:this.__inputBuffer}async initialize(){await this.hardReset(!0),this._parent||(this.__inputBuffer=[],this.readLoop()),await this.sync();let t,e=await this.readRegister(1610612856);if(353510656==e)this.chipFamily=h;else if(401408==e)this.chipFamily=33382;else{if(1280!=e)throw new Error("Unknown Chip.");this.chipFamily=o}33382==this.chipFamily?t=1072693328:(this.chipFamily==h||this.chipFamily==o)&&(t=1610719232);for(let e=0;e<4;e++)this._efuses[e]=await this.readRegister(t+4*e);this.chipFamily==h&&(this.chipName="ESP32"),this.chipFamily==o&&(this.chipName="ESP32-S2"),33382==this.chipFamily&&(16&this._efuses[0]||65536&this._efuses[2]?this.chipName="ESP8285":this.chipName="ESP8266EX")}async readLoop(){this.logger.debug("Starting read loop"),this._reader=this.port.readable.getReader();try{for(;!this.stopReadLoop;){const{value:t,done:e}=await this._reader.read();if(e){this._reader.releaseLock();break}t&&0!==t.length&&this._inputBuffer.push(...Array.from(t))}}catch(t){console.error("Read loop got disconnected"),this.connected=!1,this.dispatchEvent(new Event("disconnect"))}this.logger.debug("Finished read loop")}async hardReset(t=!1){this.logger.log("Try hard reset."),await this.port.setSignals({dataTerminalReady:!1,requestToSend:!0}),await this.port.setSignals({dataTerminalReady:t,requestToSend:!1}),await new Promise((t=>setTimeout(t,1e3)))}macAddr(){let t,e=new Array(6).fill(0),i=this._efuses[0],a=this._efuses[1],s=this._efuses[2],r=this._efuses[3];if(33382==this.chipFamily){if(0!=r)t=[r>>16&255,r>>8&255,255&r];else if(0==(a>>16&255))t=[24,254,52];else{if(1!=(a>>16&255))throw new Error("Couldnt determine OUI");t=[172,208,116]}e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=a>>8&255,e[4]=255&a,e[5]=i>>24&255}else if(this.chipFamily==h)e[0]=s>>8&255,e[1]=255&s,e[2]=a>>24&255,e[3]=a>>16&255,e[4]=a>>8&255,e[5]=255&a;else{if(this.chipFamily!=o)throw new Error("Unknown chip family");e[0]=s>>8&255,e[1]=255&s,e[2]=a>>24&255,e[3]=a>>16&255,e[4]=a>>8&255,e[5]=255&a}return e}async readRegister(t){this.debug&&this.logger.debug("Reading Register",t);let e=i("I",t);return((t,e)=>{let i=0,a=[];for(let s of t)if("B"==s)a.push(255&e[i]),i+=1;else if("H"==s)a.push(255&e[i]|(255&e[i+1])<<8),i+=2;else{if("I"!=s)throw new Error(`Unhandled character "${s}" in unpack format`);a.push(255&e[i]|(255&e[i+1])<<8|(255&e[i+2])<<16|(255&e[i+3])<<24),i+=4}return a})("I",(await this.checkCommand(10,e))[0])[0]}async checkCommand(t,e,i=0,s=3e3){s=Math.min(s,12e5),await this.sendCommand(t,e,i);let[r,n]=await this.getResponse(t,s);if(null===n)throw new Error("Didn't get enough status bytes");let l=0;if(this.IS_STUB||33382==this.chipFamily?l=2:[h,o].includes(this.chipFamily)?l=4:[2,4].includes(n.length)&&(l=n.length),n.length<l)throw new Error("Didn't get enough status bytes");let c=n.slice(-l,n.length);if(n=n.slice(0,-l),this.debug&&(this.logger.debug("status",c),this.logger.debug("value",r),this.logger.debug("data",n)),1==c[0])throw 5==c[1]?new Error("Invalid (unsupported) command "+a(t)):new Error("Command failure error code "+a(c[1]));return[r,n]}async sendCommand(e,a,s=0){this._inputBuffer.length=0;let r=[192,0];r.push(e),r=r.concat(i("H",a.length)),r=r.concat(t(i("I",s))),r=r.concat(t(a)),r.push(192),this.debug&&this.logger.debug("Writing "+r.length+" byte"+(1==r.length?"":"s")+":",r),await this.writeToStream(r)}async getResponse(t,e=3e3){let i=[],a=0,r=!1,n=Date.now();for(;Date.now()-n<e;){if(this._inputBuffer.length>0){let t=this._inputBuffer.shift();219==t?r=!0:r?(221==t?i.push(220):220==t?i.push(192):i=i.concat([219,t]),r=!1):i.push(t)}else await s(10);if(i.length>0&&192!=i[0]&&i.shift(),i.length>1&&1!=i[1]&&i.shift(),i.length>2&&i[2]!=t&&i.shift(),i.length>4&&(a=i[3]+(i[4]<<8)),i.length==a+10)break}if(i.length!=a+10)return this.logger.log("Timed out after "+e+" milliseconds"),[null,null];this.debug&&this.logger.debug("Reading "+i.length+" byte"+(1==i.length?"":"s")+":",i);let h=i.slice(5,9),o=i.slice(9,-1);return this.debug&&this.logger.debug("value:",h,"data:",o),[h,o]}async readBuffer(t=3e3){let e=[],i=!1,a=Date.now();for(;Date.now()-a<t;){if(this._inputBuffer.length>0){let t=this._inputBuffer.shift();219==t?i=!0:i?(221==t?e.push(220):220==t?e.push(192):e=e.concat([219,t]),i=!1):e.push(t)}else await s(10);if(e.length>0&&192!=e[0]&&e.shift(),e.length>1&&192==e[e.length-1])break}if(e.length<2)return this.logger.log("Timed out after "+t+" milliseconds"),null;this.debug&&this.logger.debug("Reading "+e.length+" byte"+(1==e.length?"":"s")+":",e);let r=e.slice(1,-1);return this.debug&&this.logger.debug("data:",r),r}checksum(t,e=239){for(let i of t)e^=i;return e}async setBaudrate(t){if(33382==this.chipFamily)throw new Error("Changing baud rate is not supported on the ESP8266");this.logger.log("Attempting to change baud rate to "+t+"...");try{let e=i("<II",t,this.IS_STUB?115200:0);await this.checkCommand(15,e)}catch(e){throw console.error(e),new Error(`Unable to change the baud rate to ${t}: No response from set baud rate command.`)}this._parent?await this._parent.reconfigurePort(t):await this.reconfigurePort(t)}async reconfigurePort(t){var e,i;try{this.stopReadLoop=!0,await(null===(e=this._reader)||void 0===e?void 0:e.cancel()),null===(i=this._reader)||void 0===i||i.releaseLock(),await this.port.close(),await this.port.open({baudRate:t}),this.stopReadLoop=!1,this.readLoop(),this.logger.log(`Changed baud rate to ${t}`)}catch(e){throw console.error(e),new Error(`Unable to change the baud rate to ${t}: ${e}`)}}async sync(){for(let t=0;t<5;t++){if(await this._sync())return await s(100),!0;await s(100)}throw new Error("Couldn't sync to ESP. Try resetting.")}async _sync(){await this.sendCommand(8,r);for(let t=0;t<8;t++){let[t,e]=await this.getResponse(8,100);if(null!==e&&(e.length>1&&0==e[0]&&0==e[1]))return!0}return!1}getFlashWriteSize(){return this.IS_STUB?16384:1024}async flashData(t,e,i=0){let a=t.byteLength;this.logger.log("Writing data with filesize:"+a),await this.flashBegin(a,i);let s=[],r=0,n=0,h=0,o=Date.now(),l=this.getFlashWriteSize();for(;a-h>0;)a-h>=l?s=Array.from(new Uint8Array(t,h,l)):(s=Array.from(new Uint8Array(t,h,a-h)),s=s.concat(new Array(l-s.length).fill(255))),await this.flashBlock(s,r,2e3),r+=1,n+=s.length,h+=l,e(n);this.logger.log("Took "+(Date.now()-o)+"ms to write "+a+" bytes")}async flashBlock(t,e,a=100){await this.checkCommand(3,i("<IIII",t.length,e,0,0).concat(t),this.checksum(t),a)}async flashBegin(t=0,e=0,s=!1){let r,n,l=this.getFlashWriteSize();[h,o].includes(this.chipFamily)&&await this.checkCommand(13,new Array(8).fill(0)),this.chipFamily==h&&(n=i("<IIIIII",0,this._flashsize,65536,4096,256,65535),await this.checkCommand(11,n));let c,g=Math.floor((t+l-1)/l);r=33382==this.chipFamily?this.getEraseSize(e,t):t,c=this.IS_STUB?3e3:((t,e)=>{let i=Math.floor(t*(e/486));return i<3e3?3e3:i})(3e4,t);let d=Date.now();return n=i("<IIII",r,g,l,e),this.chipFamily==o&&(n=n.concat(i("<I",s?1:0))),this.logger.log("Erase size "+r+", blocks "+g+", block size "+l+", offset "+a(e,4)+", encrypted "+(s?"yes":"no")),await this.checkCommand(2,n,0,c),0==t||this.IS_STUB||this.logger.log("Took "+(Date.now()-d)+"ms to erase "+g+" bytes"),g}async flashFinish(){let t=i("<I",1);await this.checkCommand(4,t)}getEraseSize(t,e){let i=4096,a=Math.floor((e+i-1)/i),s=16-Math.floor(t/i)%16;return a<s&&(s=a),a<2*s?Math.floor((a+1)/2*i):(a-s)*i}async memBegin(t,e,a,s){return await this.checkCommand(5,i("<IIII",t,e,a,s))}async memBlock(t,e){return await this.checkCommand(7,i("<IIII",t.length,e,0,0).concat(t),this.checksum(t))}async memFinish(t=0){let e=this.IS_STUB?3e3:50,a=i("<II",0==t?1:0,t);return await this.checkCommand(6,a,0,e)}async runStub(){const t=await l(this.chipFamily);let e=2048;this.logger.log("Uploading stub...");for(let i of["text","data"])if(Object.keys(t).includes(i)){let a=t[i+"_start"],s=t[i].length,r=Math.floor((s+e-1)/e);await this.memBegin(s,r,e,a);for(let a of Array(r).keys()){let r=a*e,n=r+e;n>s&&(n=s),await this.memBlock(t[i].slice(r,n),a)}}this.logger.log("Running stub..."),await this.memFinish(t.entry);const i=await this.readBuffer(100),a=String.fromCharCode(...i);if("OHAI"!=a)throw new Error("Failed to start stub. Unexpected response: "+a);this.logger.log("Stub is now running...");return new g(this.port,this.logger,this)}async writeToStream(t){const e=this.port.writable.getWriter();await e.write(new Uint8Array(t));try{e.releaseLock()}catch(t){console.error("Ignoring release lock error",t)}}async disconnect(){this._parent?await this._parent.disconnect():(this._reader&&await this._reader.cancel(),await this.port.writable.getWriter().close(),await this.port.close(),this.connected=!1)}}class g extends c{constructor(){super(...arguments),this.IS_STUB=!0}async memBegin(t,e,i,s){let r=await l(this.chipFamily),n=s,h=s+t;console.log(n,h),console.log(r.data_start,r.data.length,r.text_start,r.text.length);for(let[t,e]of[[r.data_start,r.data_start+r.data.length],[r.text_start,r.text_start+r.text.length]])if(n<e&&h>t)throw new Error("Software loader is resident at "+a(t,8)+"-"+a(e,8)+". Can't load binary at overlapping address range "+a(n,8)+"-"+a(h,8)+". Try changing the binary loading address.")}async eraseFlash(){await this.checkCommand(208,[],0,6e5)}}const d=async t=>{const e=await navigator.serial.requestPort();return t.log("Connecting..."),await e.open({baudRate:115200}),t.log("Connected successfully."),new c(e,t)};export{h as CHIP_FAMILY_ESP32,o as CHIP_FAMILY_ESP32S2,n as CHIP_FAMILY_ESP8266,c as ESPLoader,d as connect};
+const t=t=>{let e=[];for(let a of t)219==a?e=e.concat([219,221]):192==a?e=e.concat([219,220]):e.push(a);return e},e=t=>{let e=[];for(let a=0;a<t.length;a++){let i=t.charCodeAt(a);i<=255&&e.push(i)}return e},a=(t,...e)=>{let a=0;if(t.replace(/[<>]/,"").length!=e.length)throw new Error("Pack format to Argument count mismatch");let i=[],s=!0;const n=(t,e)=>{for(let a=0;a<e;a++)s?i.push(t>>8*a&255):i.push(t>>8*(e-a)&255)};for(let i=0;i<t.length;i++)if("<"==t[i])s=!0;else if(">"==t[i])s=!1;else if("B"==t[i])n(e[a],1),a++;else if("H"==t[i])n(e[a],2),a++;else{if("I"!=t[i])throw new Error(`Unhandled character "${t[i]}" in pack format`);n(e[a],4),a++}return i},i=(t,e=2)=>"0x"+t.toString(16).toUpperCase().padStart(e,"0"),s=t=>new Promise((e=>setTimeout(e,t))),n=e(" UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU"),r=33382,o=50,l=12882,h=(t,e)=>{let a=Math.floor(t*(e/486));return a<3e3?3e3:a},d=async t=>{let a;return t==o?a=await import("./esp32-9a0a29d9.js"):t==l?a=await 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1;if(0===t.lookahead)break}if(a=0,t.lookahead>=3&&(t.ins_h=yt(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),0!==a&&t.strstart-a<=t.w_size-262&&(t.match_length=At(t,a)),t.match_length>=3)if(i=Q(t,t.strstart-t.match_start,t.match_length-3),t.lookahead-=t.match_length,t.match_length<=t.max_lazy_match&&t.lookahead>=3){t.match_length--;do{t.strstart++,t.ins_h=yt(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart}while(0!=--t.match_length);t.strstart++}else t.strstart+=t.match_length,t.match_length=0,t.ins_h=t.window[t.strstart],t.ins_h=yt(t,t.ins_h,t.window[t.strstart+1]);else i=Q(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++;if(i&&(xt(t,!1),0===t.strm.avail_out))return 1}return t.insert=t.strstart<2?t.strstart:2,e===it?(xt(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(xt(t,!1),0===t.strm.avail_out)?1:2},It=(t,e)=>{let a,i,s;for(;;){if(t.lookahead<262){if(St(t),t.lookahead<262&&e===tt)return 1;if(0===t.lookahead)break}if(a=0,t.lookahead>=3&&(t.ins_h=yt(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),t.prev_length=t.match_length,t.prev_match=t.match_start,t.match_length=2,0!==a&&t.prev_length<t.max_lazy_match&&t.strstart-a<=t.w_size-262&&(t.match_length=At(t,a),t.match_length<=5&&(t.strategy===_t||3===t.match_length&&t.strstart-t.match_start>4096)&&(t.match_length=2)),t.prev_length>=3&&t.match_length<=t.prev_length){s=t.strstart+t.lookahead-3,i=Q(t,t.strstart-1-t.prev_match,t.prev_length-3),t.lookahead-=t.prev_length-1,t.prev_length-=2;do{++t.strstart<=s&&(t.ins_h=yt(t,t.ins_h,t.window[t.strstart+3-1]),a=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart)}while(0!=--t.prev_length);if(t.match_available=0,t.match_length=2,t.strstart++,i&&(xt(t,!1),0===t.strm.avail_out))return 1}else if(t.match_available){if(i=Q(t,0,t.window[t.strstart-1]),i&&xt(t,!1),t.strstart++,t.lookahead--,0===t.strm.avail_out)return 1}else t.match_available=1,t.strstart++,t.lookahead--}return t.match_available&&(i=Q(t,0,t.window[t.strstart-1]),t.match_available=0),t.insert=t.strstart<2?t.strstart:2,e===it?(xt(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(xt(t,!1),0===t.strm.avail_out)?1:2};function Bt(t,e,a,i,s){this.good_length=t,this.max_lazy=e,this.nice_length=a,this.max_chain=i,this.func=s}const Ft=[new Bt(0,0,0,0,((t,e)=>{let a=65535;for(a>t.pending_buf_size-5&&(a=t.pending_buf_size-5);;){if(t.lookahead<=1){if(St(t),0===t.lookahead&&e===tt)return 1;if(0===t.lookahead)break}t.strstart+=t.lookahead,t.lookahead=0;const i=t.block_start+a;if((0===t.strstart||t.strstart>=i)&&(t.lookahead=t.strstart-i,t.strstart=i,xt(t,!1),0===t.strm.avail_out))return 1;if(t.strstart-t.block_start>=t.w_size-262&&(xt(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,e===it?(xt(t,!0),0===t.strm.avail_out?3:4):(t.strstart>t.block_start&&(xt(t,!1),t.strm.avail_out),1)})),new Bt(4,4,8,4,Rt),new Bt(4,5,16,8,Rt),new Bt(4,6,32,32,Rt),new Bt(4,4,16,16,It),new Bt(8,16,32,32,It),new Bt(8,16,128,128,It),new Bt(8,32,128,256,It),new Bt(32,128,258,1024,It),new Bt(32,258,258,4096,It)];function Zt(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=mt,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),kt(this.dyn_ltree),kt(this.dyn_dtree),kt(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),kt(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new Uint16Array(573),kt(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}const Tt=t=>{if(!t||!t.state)return pt(t,ot);t.total_in=t.total_out=0,t.data_type=wt;const e=t.state;return e.pending=0,e.pending_out=0,e.wrap<0&&(e.wrap=-e.wrap),e.status=e.wrap?42:113,t.adler=2===e.wrap?0:1,e.last_flush=tt,X(e),nt},Dt=t=>{const e=Tt(t);var a;return e===nt&&((a=t.state).window_size=2*a.w_size,kt(a.head),a.max_lazy_match=Ft[a.level].max_lazy,a.good_match=Ft[a.level].good_length,a.nice_match=Ft[a.level].nice_length,a.max_chain_length=Ft[a.level].max_chain,a.strstart=0,a.block_start=0,a.lookahead=0,a.insert=0,a.match_length=a.prev_length=2,a.match_available=0,a.ins_h=0),e},Ct=(t,e,a,i,s,n)=>{if(!t)return ot;let r=1;if(e===dt&&(e=6),i<0?(r=0,i=-i):i>15&&(r=2,i-=16),s<1||s>9||a!==mt||i<8||i>15||e<0||e>9||n<0||n>ut)return pt(t,ot);8===i&&(i=9);const o=new Zt;return t.state=o,o.strm=t,o.wrap=r,o.gzhead=null,o.w_bits=i,o.w_size=1<<o.w_bits,o.w_mask=o.w_size-1,o.hash_bits=s+7,o.hash_size=1<<o.hash_bits,o.hash_mask=o.hash_size-1,o.hash_shift=~~((o.hash_bits+3-1)/3),o.window=new Uint8Array(2*o.w_size),o.head=new Uint16Array(o.hash_size),o.prev=new Uint16Array(o.w_size),o.lit_bufsize=1<<s+6,o.pending_buf_size=4*o.lit_bufsize,o.pending_buf=new 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ie(t){this.options=Nt({level:te,method:ae,chunkSize:16384,windowBits:15,memLevel:8,strategy:ee},t||{});let e=this.options;e.raw&&e.windowBits>0?e.windowBits=-e.windowBits:e.gzip&&e.windowBits>0&&e.windowBits<16&&(e.windowBits+=16),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new $t,this.strm.avail_out=0;let a=Lt.deflateInit2(this.strm,e.level,e.method,e.windowBits,e.memLevel,e.strategy);if(a!==Qt)throw new Error(Y[a]);if(e.header&&Lt.deflateSetHeader(this.strm,e.header),e.dictionary){let t;if(t="string"==typeof e.dictionary?jt(e.dictionary):"[object ArrayBuffer]"===Yt.call(e.dictionary)?new Uint8Array(e.dictionary):e.dictionary,a=Lt.deflateSetDictionary(this.strm,t),a!==Qt)throw new Error(Y[a]);this._dict_set=!0}}function se(t,e){const a=new ie(e);if(a.push(t,!0),a.err)throw a.msg||Y[a.err];return a.result}ie.prototype.push=function(t,e){const a=this.strm,i=this.options.chunkSize;let s,n;if(this.ended)return!1;for(n=e===~~e?e:!0===e?Jt:Gt,"string"==typeof t?a.input=jt(t):"[object ArrayBuffer]"===Yt.call(t)?a.input=new Uint8Array(t):a.input=t,a.next_in=0,a.avail_in=a.input.length;;)if(0===a.avail_out&&(a.output=new Uint8Array(i),a.next_out=0,a.avail_out=i),(n===Xt||n===qt)&&a.avail_out<=6)this.onData(a.output.subarray(0,a.next_out)),a.avail_out=0;else{if(s=Lt.deflate(a,n),s===Vt)return a.next_out>0&&this.onData(a.output.subarray(0,a.next_out)),s=Lt.deflateEnd(this.strm),this.onEnd(s),this.ended=!0,s===Qt;if(0!==a.avail_out){if(n>0&&a.next_out>0)this.onData(a.output.subarray(0,a.next_out)),a.avail_out=0;else if(0===a.avail_in)break}else this.onData(a.output)}return!0},ie.prototype.onData=function(t){this.chunks.push(t)},ie.prototype.onEnd=function(t){t===Qt&&(this.result=Mt(this.chunks)),this.chunks=[],this.err=t,this.msg=this.strm.msg};var ne={Deflate:ie,deflate:se,deflateRaw:function(t,e){return(e=e||{}).raw=!0,se(t,e)},gzip:function(t,e){return(e=e||{}).gzip=!0,se(t,e)},constants:G};var re=function(t,e){let a,i,s,n,r,o,l,h,d,_,c,f,u,g,w,m,p,b,k,y,v,x,z,U;const E=t.state;a=t.next_in,z=t.input,i=a+(t.avail_in-5),s=t.next_out,U=t.output,n=s-(e-t.avail_out),r=s+(t.avail_out-257),o=E.dmax,l=E.wsize,h=E.whave,d=E.wnext,_=E.window,c=E.hold,f=E.bits,u=E.lencode,g=E.distcode,w=(1<<E.lenbits)-1,m=(1<<E.distbits)-1;t:do{f<15&&(c+=z[a++]<<f,f+=8,c+=z[a++]<<f,f+=8),p=u[c&w];e:for(;;){if(b=p>>>24,c>>>=b,f-=b,b=p>>>16&255,0===b)U[s++]=65535&p;else{if(!(16&b)){if(0==(64&b)){p=u[(65535&p)+(c&(1<<b)-1)];continue e}if(32&b){E.mode=12;break t}t.msg="invalid literal/length code",E.mode=30;break t}k=65535&p,b&=15,b&&(f<b&&(c+=z[a++]<<f,f+=8),k+=c&(1<<b)-1,c>>>=b,f-=b),f<15&&(c+=z[a++]<<f,f+=8,c+=z[a++]<<f,f+=8),p=g[c&m];a:for(;;){if(b=p>>>24,c>>>=b,f-=b,b=p>>>16&255,!(16&b)){if(0==(64&b)){p=g[(65535&p)+(c&(1<<b)-1)];continue a}t.msg="invalid distance code",E.mode=30;break t}if(y=65535&p,b&=15,f<b&&(c+=z[a++]<<f,f+=8,f<b&&(c+=z[a++]<<f,f+=8)),y+=c&(1<<b)-1,y>o){t.msg="invalid distance too far back",E.mode=30;break t}if(c>>>=b,f-=b,b=s-n,y>b){if(b=y-b,b>h&&E.sane){t.msg="invalid distance too far back",E.mode=30;break t}if(v=0,x=_,0===d){if(v+=l-b,b<k){k-=b;do{U[s++]=_[v++]}while(--b);v=s-y,x=U}}else if(d<b){if(v+=l+d-b,b-=d,b<k){k-=b;do{U[s++]=_[v++]}while(--b);if(v=0,d<k){b=d,k-=b;do{U[s++]=_[v++]}while(--b);v=s-y,x=U}}}else if(v+=d-b,b<k){k-=b;do{U[s++]=_[v++]}while(--b);v=s-y,x=U}for(;k>2;)U[s++]=x[v++],U[s++]=x[v++],U[s++]=x[v++],k-=3;k&&(U[s++]=x[v++],k>1&&(U[s++]=x[v++]))}else{v=s-y;do{U[s++]=U[v++],U[s++]=U[v++],U[s++]=U[v++],k-=3}while(k>2);k&&(U[s++]=U[v++],k>1&&(U[s++]=U[v++]))}break}}break}}while(a<i&&s<r);k=f>>3,a-=k,f-=k<<3,c&=(1<<f)-1,t.next_in=a,t.next_out=s,t.avail_in=a<i?i-a+5:5-(a-i),t.avail_out=s<r?r-s+257:257-(s-r),E.hold=c,E.bits=f};const oe=new Uint16Array([3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0]),le=new Uint8Array([16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78]),he=new Uint16Array([1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0]),de=new Uint8Array([16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64]);var _e=(t,e,a,i,s,n,r,o)=>{const l=o.bits;let h,d,_,c,f,u,g=0,w=0,m=0,p=0,b=0,k=0,y=0,v=0,x=0,z=0,U=null,E=0;const A=new Uint16Array(16),S=new Uint16Array(16);let R,I,B,F=null,Z=0;for(g=0;g<=15;g++)A[g]=0;for(w=0;w<i;w++)A[e[a+w]]++;for(b=l,p=15;p>=1&&0===A[p];p--);if(b>p&&(b=p),0===p)return s[n++]=20971520,s[n++]=20971520,o.bits=1,0;for(m=1;m<p&&0===A[m];m++);for(b<m&&(b=m),v=1,g=1;g<=15;g++)if(v<<=1,v-=A[g],v<0)return-1;if(v>0&&(0===t||1!==p))return-1;for(S[1]=0,g=1;g<15;g++)S[g+1]=S[g]+A[g];for(w=0;w<i;w++)0!==e[a+w]&&(r[S[e[a+w]]++]=w);if(0===t?(U=F=r,u=19):1===t?(U=oe,E-=257,F=le,Z-=257,u=256):(U=he,F=de,u=-1),z=0,w=0,g=m,f=n,k=b,y=0,_=-1,x=1<<b,c=x-1,1===t&&x>852||2===t&&x>592)return 1;for(;;){R=g-y,r[w]<u?(I=0,B=r[w]):r[w]>u?(I=F[Z+r[w]],B=U[E+r[w]]):(I=96,B=0),h=1<<g-y,d=1<<k,m=d;do{d-=h,s[f+(z>>y)+d]=R<<24|I<<16|B|0}while(0!==d);for(h=1<<g-1;z&h;)h>>=1;if(0!==h?(z&=h-1,z+=h):z=0,w++,0==--A[g]){if(g===p)break;g=e[a+r[w]]}if(g>b&&(z&c)!==_){for(0===y&&(y=b),f+=m,k=g-y,v=1<<k;k+y<p&&(v-=A[k+y],!(v<=0));)k++,v<<=1;if(x+=1<<k,1===t&&x>852||2===t&&x>592)return 1;_=z&c,s[_]=b<<24|k<<16|f-n|0}}return 0!==z&&(s[f+z]=g-y<<24|64<<16|0),o.bits=b,0};const{Z_FINISH:ce,Z_BLOCK:fe,Z_TREES:ue,Z_OK:ge,Z_STREAM_END:we,Z_NEED_DICT:me,Z_STREAM_ERROR:pe,Z_DATA_ERROR:be,Z_MEM_ERROR:ke,Z_BUF_ERROR:ye,Z_DEFLATED:ve}=G,xe=t=>(t>>>24&255)+(t>>>8&65280)+((65280&t)<<8)+((255&t)<<24);function ze(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new Uint16Array(320),this.work=new Uint16Array(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}const Ue=t=>{if(!t||!t.state)return pe;const e=t.state;return t.total_in=t.total_out=e.total=0,t.msg="",e.wrap&&(t.adler=1&e.wrap),e.mode=1,e.last=0,e.havedict=0,e.dmax=32768,e.head=null,e.hold=0,e.bits=0,e.lencode=e.lendyn=new Int32Array(852),e.distcode=e.distdyn=new Int32Array(592),e.sane=1,e.back=-1,ge},Ee=t=>{if(!t||!t.state)return pe;const e=t.state;return e.wsize=0,e.whave=0,e.wnext=0,Ue(t)},Ae=(t,e)=>{let a;if(!t||!t.state)return pe;const i=t.state;return e<0?(a=0,e=-e):(a=1+(e>>4),e<48&&(e&=15)),e&&(e<8||e>15)?pe:(null!==i.window&&i.wbits!==e&&(i.window=null),i.wrap=a,i.wbits=e,Ee(t))},Se=(t,e)=>{if(!t)return pe;const a=new ze;t.state=a,a.window=null;const i=Ae(t,e);return i!==ge&&(t.state=null),i};let Re,Ie,Be=!0;const Fe=t=>{if(Be){Re=new Int32Array(512),Ie=new Int32Array(32);let e=0;for(;e<144;)t.lens[e++]=8;for(;e<256;)t.lens[e++]=9;for(;e<280;)t.lens[e++]=7;for(;e<288;)t.lens[e++]=8;for(_e(1,t.lens,0,288,Re,0,t.work,{bits:9}),e=0;e<32;)t.lens[e++]=5;_e(2,t.lens,0,32,Ie,0,t.work,{bits:5}),Be=!1}t.lencode=Re,t.lenbits=9,t.distcode=Ie,t.distbits=5},Ze=(t,e,a,i)=>{let s;const n=t.state;return null===n.window&&(n.wsize=1<<n.wbits,n.wnext=0,n.whave=0,n.window=new Uint8Array(n.wsize)),i>=n.wsize?(n.window.set(e.subarray(a-n.wsize,a),0),n.wnext=0,n.whave=n.wsize):(s=n.wsize-n.wnext,s>i&&(s=i),n.window.set(e.subarray(a-i,a-i+s),n.wnext),(i-=s)?(n.window.set(e.subarray(a-i,a),0),n.wnext=i,n.whave=n.wsize):(n.wnext+=s,n.wnext===n.wsize&&(n.wnext=0),n.whave<n.wsize&&(n.whave+=s))),0};var Te={inflateReset:Ee,inflateReset2:Ae,inflateResetKeep:Ue,inflateInit:t=>Se(t,15),inflateInit2:Se,inflate:(t,e)=>{let a,i,s,n,r,o,l,h,d,_,c,f,u,g,w,m,p,b,k,y,v,x,z=0;const U=new Uint8Array(4);let E,A;const S=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(!t||!t.state||!t.output||!t.input&&0!==t.avail_in)return pe;a=t.state,12===a.mode&&(a.mode=13),r=t.next_out,s=t.output,l=t.avail_out,n=t.next_in,i=t.input,o=t.avail_in,h=a.hold,d=a.bits,_=o,c=l,x=ge;t:for(;;)switch(a.mode){case 1:if(0===a.wrap){a.mode=13;break}for(;d<16;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(2&a.wrap&&35615===h){a.check=0,U[0]=255&h,U[1]=h>>>8&255,a.check=$(a.check,U,2,0),h=0,d=0,a.mode=2;break}if(a.flags=0,a.head&&(a.head.done=!1),!(1&a.wrap)||(((255&h)<<8)+(h>>8))%31){t.msg="incorrect header check",a.mode=30;break}if((15&h)!==ve){t.msg="unknown compression method",a.mode=30;break}if(h>>>=4,d-=4,v=8+(15&h),0===a.wbits)a.wbits=v;else if(v>a.wbits){t.msg="invalid window size",a.mode=30;break}a.dmax=1<<a.wbits,t.adler=a.check=1,a.mode=512&h?10:12,h=0,d=0;break;case 2:for(;d<16;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(a.flags=h,(255&a.flags)!==ve){t.msg="unknown compression method",a.mode=30;break}if(57344&a.flags){t.msg="unknown header flags set",a.mode=30;break}a.head&&(a.head.text=h>>8&1),512&a.flags&&(U[0]=255&h,U[1]=h>>>8&255,a.check=$(a.check,U,2,0)),h=0,d=0,a.mode=3;case 3:for(;d<32;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}a.head&&(a.head.time=h),512&a.flags&&(U[0]=255&h,U[1]=h>>>8&255,U[2]=h>>>16&255,U[3]=h>>>24&255,a.check=$(a.check,U,4,0)),h=0,d=0,a.mode=4;case 4:for(;d<16;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}a.head&&(a.head.xflags=255&h,a.head.os=h>>8),512&a.flags&&(U[0]=255&h,U[1]=h>>>8&255,a.check=$(a.check,U,2,0)),h=0,d=0,a.mode=5;case 5:if(1024&a.flags){for(;d<16;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}a.length=h,a.head&&(a.head.extra_len=h),512&a.flags&&(U[0]=255&h,U[1]=h>>>8&255,a.check=$(a.check,U,2,0)),h=0,d=0}else a.head&&(a.head.extra=null);a.mode=6;case 6:if(1024&a.flags&&(f=a.length,f>o&&(f=o),f&&(a.head&&(v=a.head.extra_len-a.length,a.head.extra||(a.head.extra=new Uint8Array(a.head.extra_len)),a.head.extra.set(i.subarray(n,n+f),v)),512&a.flags&&(a.check=$(a.check,i,f,n)),o-=f,n+=f,a.length-=f),a.length))break t;a.length=0,a.mode=7;case 7:if(2048&a.flags){if(0===o)break t;f=0;do{v=i[n+f++],a.head&&v&&a.length<65536&&(a.head.name+=String.fromCharCode(v))}while(v&&f<o);if(512&a.flags&&(a.check=$(a.check,i,f,n)),o-=f,n+=f,v)break t}else a.head&&(a.head.name=null);a.length=0,a.mode=8;case 8:if(4096&a.flags){if(0===o)break t;f=0;do{v=i[n+f++],a.head&&v&&a.length<65536&&(a.head.comment+=String.fromCharCode(v))}while(v&&f<o);if(512&a.flags&&(a.check=$(a.check,i,f,n)),o-=f,n+=f,v)break t}else a.head&&(a.head.comment=null);a.mode=9;case 9:if(512&a.flags){for(;d<16;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(h!==(65535&a.check)){t.msg="header crc mismatch",a.mode=30;break}h=0,d=0}a.head&&(a.head.hcrc=a.flags>>9&1,a.head.done=!0),t.adler=a.check=0,a.mode=12;break;case 10:for(;d<32;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}t.adler=a.check=xe(h),h=0,d=0,a.mode=11;case 11:if(0===a.havedict)return t.next_out=r,t.avail_out=l,t.next_in=n,t.avail_in=o,a.hold=h,a.bits=d,me;t.adler=a.check=1,a.mode=12;case 12:if(e===fe||e===ue)break t;case 13:if(a.last){h>>>=7&d,d-=7&d,a.mode=27;break}for(;d<3;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}switch(a.last=1&h,h>>>=1,d-=1,3&h){case 0:a.mode=14;break;case 1:if(Fe(a),a.mode=20,e===ue){h>>>=2,d-=2;break t}break;case 2:a.mode=17;break;case 3:t.msg="invalid block type",a.mode=30}h>>>=2,d-=2;break;case 14:for(h>>>=7&d,d-=7&d;d<32;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if((65535&h)!=(h>>>16^65535)){t.msg="invalid stored block lengths",a.mode=30;break}if(a.length=65535&h,h=0,d=0,a.mode=15,e===ue)break t;case 15:a.mode=16;case 16:if(f=a.length,f){if(f>o&&(f=o),f>l&&(f=l),0===f)break t;s.set(i.subarray(n,n+f),r),o-=f,n+=f,l-=f,r+=f,a.length-=f;break}a.mode=12;break;case 17:for(;d<14;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(a.nlen=257+(31&h),h>>>=5,d-=5,a.ndist=1+(31&h),h>>>=5,d-=5,a.ncode=4+(15&h),h>>>=4,d-=4,a.nlen>286||a.ndist>30){t.msg="too many length or distance symbols",a.mode=30;break}a.have=0,a.mode=18;case 18:for(;a.have<a.ncode;){for(;d<3;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}a.lens[S[a.have++]]=7&h,h>>>=3,d-=3}for(;a.have<19;)a.lens[S[a.have++]]=0;if(a.lencode=a.lendyn,a.lenbits=7,E={bits:a.lenbits},x=_e(0,a.lens,0,19,a.lencode,0,a.work,E),a.lenbits=E.bits,x){t.msg="invalid code lengths set",a.mode=30;break}a.have=0,a.mode=19;case 19:for(;a.have<a.nlen+a.ndist;){for(;z=a.lencode[h&(1<<a.lenbits)-1],w=z>>>24,m=z>>>16&255,p=65535&z,!(w<=d);){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(p<16)h>>>=w,d-=w,a.lens[a.have++]=p;else{if(16===p){for(A=w+2;d<A;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(h>>>=w,d-=w,0===a.have){t.msg="invalid bit length repeat",a.mode=30;break}v=a.lens[a.have-1],f=3+(3&h),h>>>=2,d-=2}else if(17===p){for(A=w+3;d<A;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}h>>>=w,d-=w,v=0,f=3+(7&h),h>>>=3,d-=3}else{for(A=w+7;d<A;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}h>>>=w,d-=w,v=0,f=11+(127&h),h>>>=7,d-=7}if(a.have+f>a.nlen+a.ndist){t.msg="invalid bit length repeat",a.mode=30;break}for(;f--;)a.lens[a.have++]=v}}if(30===a.mode)break;if(0===a.lens[256]){t.msg="invalid code -- missing end-of-block",a.mode=30;break}if(a.lenbits=9,E={bits:a.lenbits},x=_e(1,a.lens,0,a.nlen,a.lencode,0,a.work,E),a.lenbits=E.bits,x){t.msg="invalid literal/lengths set",a.mode=30;break}if(a.distbits=6,a.distcode=a.distdyn,E={bits:a.distbits},x=_e(2,a.lens,a.nlen,a.ndist,a.distcode,0,a.work,E),a.distbits=E.bits,x){t.msg="invalid distances set",a.mode=30;break}if(a.mode=20,e===ue)break t;case 20:a.mode=21;case 21:if(o>=6&&l>=258){t.next_out=r,t.avail_out=l,t.next_in=n,t.avail_in=o,a.hold=h,a.bits=d,re(t,c),r=t.next_out,s=t.output,l=t.avail_out,n=t.next_in,i=t.input,o=t.avail_in,h=a.hold,d=a.bits,12===a.mode&&(a.back=-1);break}for(a.back=0;z=a.lencode[h&(1<<a.lenbits)-1],w=z>>>24,m=z>>>16&255,p=65535&z,!(w<=d);){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(m&&0==(240&m)){for(b=w,k=m,y=p;z=a.lencode[y+((h&(1<<b+k)-1)>>b)],w=z>>>24,m=z>>>16&255,p=65535&z,!(b+w<=d);){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}h>>>=b,d-=b,a.back+=b}if(h>>>=w,d-=w,a.back+=w,a.length=p,0===m){a.mode=26;break}if(32&m){a.back=-1,a.mode=12;break}if(64&m){t.msg="invalid literal/length code",a.mode=30;break}a.extra=15&m,a.mode=22;case 22:if(a.extra){for(A=a.extra;d<A;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}a.length+=h&(1<<a.extra)-1,h>>>=a.extra,d-=a.extra,a.back+=a.extra}a.was=a.length,a.mode=23;case 23:for(;z=a.distcode[h&(1<<a.distbits)-1],w=z>>>24,m=z>>>16&255,p=65535&z,!(w<=d);){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(0==(240&m)){for(b=w,k=m,y=p;z=a.distcode[y+((h&(1<<b+k)-1)>>b)],w=z>>>24,m=z>>>16&255,p=65535&z,!(b+w<=d);){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}h>>>=b,d-=b,a.back+=b}if(h>>>=w,d-=w,a.back+=w,64&m){t.msg="invalid distance code",a.mode=30;break}a.offset=p,a.extra=15&m,a.mode=24;case 24:if(a.extra){for(A=a.extra;d<A;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}a.offset+=h&(1<<a.extra)-1,h>>>=a.extra,d-=a.extra,a.back+=a.extra}if(a.offset>a.dmax){t.msg="invalid distance too far back",a.mode=30;break}a.mode=25;case 25:if(0===l)break t;if(f=c-l,a.offset>f){if(f=a.offset-f,f>a.whave&&a.sane){t.msg="invalid distance too far back",a.mode=30;break}f>a.wnext?(f-=a.wnext,u=a.wsize-f):u=a.wnext-f,f>a.length&&(f=a.length),g=a.window}else g=s,u=r-a.offset,f=a.length;f>l&&(f=l),l-=f,a.length-=f;do{s[r++]=g[u++]}while(--f);0===a.length&&(a.mode=21);break;case 26:if(0===l)break t;s[r++]=a.length,l--,a.mode=21;break;case 27:if(a.wrap){for(;d<32;){if(0===o)break t;o--,h|=i[n++]<<d,d+=8}if(c-=l,t.total_out+=c,a.total+=c,c&&(t.adler=a.check=a.flags?$(a.check,s,c,r-c):K(a.check,s,c,r-c)),c=l,(a.flags?h:xe(h))!==a.check){t.msg="incorrect data check",a.mode=30;break}h=0,d=0}a.mode=28;case 28:if(a.wrap&&a.flags){for(;d<32;){if(0===o)break t;o--,h+=i[n++]<<d,d+=8}if(h!==(4294967295&a.total)){t.msg="incorrect length check",a.mode=30;break}h=0,d=0}a.mode=29;case 29:x=we;break t;case 30:x=be;break t;case 31:return ke;case 32:default:return pe}return t.next_out=r,t.avail_out=l,t.next_in=n,t.avail_in=o,a.hold=h,a.bits=d,(a.wsize||c!==t.avail_out&&a.mode<30&&(a.mode<27||e!==ce))&&Ze(t,t.output,t.next_out,c-t.avail_out),_-=t.avail_in,c-=t.avail_out,t.total_in+=_,t.total_out+=c,a.total+=c,a.wrap&&c&&(t.adler=a.check=a.flags?$(a.check,s,c,t.next_out-c):K(a.check,s,c,t.next_out-c)),t.data_type=a.bits+(a.last?64:0)+(12===a.mode?128:0)+(20===a.mode||15===a.mode?256:0),(0===_&&0===c||e===ce)&&x===ge&&(x=ye),x},inflateEnd:t=>{if(!t||!t.state)return pe;let e=t.state;return e.window&&(e.window=null),t.state=null,ge},inflateGetHeader:(t,e)=>{if(!t||!t.state)return pe;const a=t.state;return 0==(2&a.wrap)?pe:(a.head=e,e.done=!1,ge)},inflateSetDictionary:(t,e)=>{const a=e.length;let i,s,n;return t&&t.state?(i=t.state,0!==i.wrap&&11!==i.mode?pe:11===i.mode&&(s=1,s=K(s,e,a,0),s!==i.check)?be:(n=Ze(t,e,a,a),n?(i.mode=31,ke):(i.havedict=1,ge))):pe},inflateInfo:"pako inflate (from Nodeca project)"};var De=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1};const Ce=Object.prototype.toString,{Z_NO_FLUSH:Le,Z_FINISH:Oe,Z_OK:Ne,Z_STREAM_END:Me,Z_NEED_DICT:He,Z_STREAM_ERROR:Pe,Z_DATA_ERROR:je,Z_MEM_ERROR:Ke}=G;function We(t){this.options=Nt({chunkSize:65536,windowBits:15,to:""},t||{});const e=this.options;e.raw&&e.windowBits>=0&&e.windowBits<16&&(e.windowBits=-e.windowBits,0===e.windowBits&&(e.windowBits=-15)),!(e.windowBits>=0&&e.windowBits<16)||t&&t.windowBits||(e.windowBits+=32),e.windowBits>15&&e.windowBits<48&&0==(15&e.windowBits)&&(e.windowBits|=15),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new $t,this.strm.avail_out=0;let a=Te.inflateInit2(this.strm,e.windowBits);if(a!==Ne)throw new Error(Y[a]);if(this.header=new De,Te.inflateGetHeader(this.strm,this.header),e.dictionary&&("string"==typeof e.dictionary?e.dictionary=jt(e.dictionary):"[object ArrayBuffer]"===Ce.call(e.dictionary)&&(e.dictionary=new Uint8Array(e.dictionary)),e.raw&&(a=Te.inflateSetDictionary(this.strm,e.dictionary),a!==Ne)))throw new Error(Y[a])}We.prototype.push=function(t,e){const a=this.strm,i=this.options.chunkSize,s=this.options.dictionary;let n,r,o;if(this.ended)return!1;for(r=e===~~e?e:!0===e?Oe:Le,"[object ArrayBuffer]"===Ce.call(t)?a.input=new Uint8Array(t):a.input=t,a.next_in=0,a.avail_in=a.input.length;;){for(0===a.avail_out&&(a.output=new Uint8Array(i),a.next_out=0,a.avail_out=i),n=Te.inflate(a,r),n===He&&s&&(n=Te.inflateSetDictionary(a,s),n===Ne?n=Te.inflate(a,r):n===je&&(n=He));a.avail_in>0&&n===Me&&a.state.wrap>0&&0!==t[a.next_in];)Te.inflateReset(a),n=Te.inflate(a,r);switch(n){case Pe:case je:case He:case Ke:return this.onEnd(n),this.ended=!0,!1}if(o=a.avail_out,a.next_out&&(0===a.avail_out||n===Me))if("string"===this.options.to){let t=Wt(a.output,a.next_out),e=a.next_out-t,s=Kt(a.output,t);a.next_out=e,a.avail_out=i-e,e&&a.output.set(a.output.subarray(t,t+e),0),this.onData(s)}else this.onData(a.output.length===a.next_out?a.output:a.output.subarray(0,a.next_out));if(n!==Ne||0!==o){if(n===Me)return n=Te.inflateEnd(this.strm),this.onEnd(n),this.ended=!0,!0;if(0===a.avail_in)break}}return!0},We.prototype.onData=function(t){this.chunks.push(t)},We.prototype.onEnd=function(t){t===Ne&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=Mt(this.chunks)),this.chunks=[],this.err=t,this.msg=this.strm.msg};const{Deflate:$e,deflate:Ye,deflateRaw:Ge,gzip:Xe}=ne;var qe=Ye;class Je extends EventTarget{constructor(t,e,a){super(),this.port=t,this.logger=e,this._parent=a,this.chipName=null,this._efuses=new Array(4).fill(0),this._flashsize=4194304,this.debug=!1,this.IS_STUB=!1,this.connected=!0,this.stopReadLoop=!1}get _inputBuffer(){return this._parent?this._parent._inputBuffer:this.__inputBuffer}async initialize(){await this.hardReset(!0),this._parent||(this.__inputBuffer=[],this.readLoop()),await this.sync();let t,e=await this.readRegister(1610612856);if(353510656==e)this.chipFamily=o;else if(401408==e)this.chipFamily=33382;else{if(1280!=e)throw new Error("Unknown Chip.");this.chipFamily=l}33382==this.chipFamily?t=1072693328:(this.chipFamily==o||this.chipFamily==l)&&(t=1610719232);for(let e=0;e<4;e++)this._efuses[e]=await this.readRegister(t+4*e);this.chipFamily==o&&(this.chipName="ESP32"),this.chipFamily==l&&(this.chipName="ESP32-S2"),33382==this.chipFamily&&(16&this._efuses[0]||65536&this._efuses[2]?this.chipName="ESP8285":this.chipName="ESP8266EX")}async readLoop(){this.logger.debug("Starting read loop"),this._reader=this.port.readable.getReader();try{for(;!this.stopReadLoop;){const{value:t,done:e}=await this._reader.read();if(e){this._reader.releaseLock();break}t&&0!==t.length&&this._inputBuffer.push(...Array.from(t))}}catch(t){console.error("Read loop got disconnected"),this.connected=!1,this.dispatchEvent(new Event("disconnect"))}this.logger.debug("Finished read loop")}async hardReset(t=!1){this.logger.log("Try hard reset."),await this.port.setSignals({dataTerminalReady:!1,requestToSend:!0}),await this.port.setSignals({dataTerminalReady:t,requestToSend:!1}),await new Promise((t=>setTimeout(t,1e3)))}macAddr(){let t,e=new Array(6).fill(0),a=this._efuses[0],i=this._efuses[1],s=this._efuses[2],n=this._efuses[3];if(33382==this.chipFamily){if(0!=n)t=[n>>16&255,n>>8&255,255&n];else if(0==(i>>16&255))t=[24,254,52];else{if(1!=(i>>16&255))throw new Error("Couldnt determine OUI");t=[172,208,116]}e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=i>>8&255,e[4]=255&i,e[5]=a>>24&255}else if(this.chipFamily==o)e[0]=s>>8&255,e[1]=255&s,e[2]=i>>24&255,e[3]=i>>16&255,e[4]=i>>8&255,e[5]=255&i;else{if(this.chipFamily!=l)throw new Error("Unknown chip family");e[0]=s>>8&255,e[1]=255&s,e[2]=i>>24&255,e[3]=i>>16&255,e[4]=i>>8&255,e[5]=255&i}return e}async readRegister(t){this.debug&&this.logger.debug("Reading Register",t);let e=a("I",t);return((t,e)=>{let a=0,i=[];for(let s of t)if("B"==s)i.push(255&e[a]),a+=1;else if("H"==s)i.push(255&e[a]|(255&e[a+1])<<8),a+=2;else{if("I"!=s)throw new Error(`Unhandled character "${s}" in unpack format`);i.push(255&e[a]|(255&e[a+1])<<8|(255&e[a+2])<<16|(255&e[a+3])<<24),a+=4}return i})("I",(await this.checkCommand(10,e))[0])[0]}async checkCommand(t,e,a=0,s=3e3){s=Math.min(s,12e5),await this.sendCommand(t,e,a);let[n,r]=await this.getResponse(t,s);if(null===r)throw new Error("Didn't get enough status bytes");let h=0;if(this.IS_STUB||33382==this.chipFamily?h=2:[o,l].includes(this.chipFamily)?h=4:[2,4].includes(r.length)&&(h=r.length),r.length<h)throw new Error("Didn't get enough status bytes");let d=r.slice(-h,r.length);if(r=r.slice(0,-h),this.debug&&(this.logger.debug("status",d),this.logger.debug("value",n),this.logger.debug("data",r)),1==d[0])throw 5==d[1]?new Error("Invalid (unsupported) command "+i(t)):new Error("Command failure error code "+i(d[1]));return[n,r]}async sendCommand(e,i,s=0){this._inputBuffer.length=0;let n=[192,0];n.push(e),n=n.concat(a("H",i.length)),n=n.concat(t(a("I",s))),n=n.concat(t(i)),n.push(192),this.debug&&this.logger.debug("Writing "+n.length+" byte"+(1==n.length?"":"s")+":",n),await this.writeToStream(n)}async getResponse(t,e=3e3){let a=[],i=0,n=!1,r=Date.now();for(;Date.now()-r<e;){if(this._inputBuffer.length>0){let t=this._inputBuffer.shift();219==t?n=!0:n?(221==t?a.push(220):220==t?a.push(192):a=a.concat([219,t]),n=!1):a.push(t)}else await s(10);if(a.length>0&&192!=a[0]&&a.shift(),a.length>1&&1!=a[1]&&a.shift(),a.length>2&&a[2]!=t&&a.shift(),a.length>4&&(i=a[3]+(a[4]<<8)),a.length==i+10)break}if(a.length!=i+10)return this.logger.log("Timed out after "+e+" milliseconds"),[null,null];this.debug&&this.logger.debug("Reading "+a.length+" byte"+(1==a.length?"":"s")+":",a);let o=a.slice(5,9),l=a.slice(9,-1);return this.debug&&this.logger.debug("value:",o,"data:",l),[o,l]}async readBuffer(t=3e3){let e=[],a=!1,i=Date.now();for(;Date.now()-i<t;){if(this._inputBuffer.length>0){let t=this._inputBuffer.shift();219==t?a=!0:a?(221==t?e.push(220):220==t?e.push(192):e=e.concat([219,t]),a=!1):e.push(t)}else await s(10);if(e.length>0&&192!=e[0]&&e.shift(),e.length>1&&192==e[e.length-1])break}if(e.length<2)return this.logger.log("Timed out after "+t+" milliseconds"),null;this.debug&&this.logger.debug("Reading "+e.length+" byte"+(1==e.length?"":"s")+":",e);let n=e.slice(1,-1);return this.debug&&this.logger.debug("data:",n),n}checksum(t,e=239){for(let a of t)e^=a;return e}async setBaudrate(t){if(33382==this.chipFamily)throw new Error("Changing baud rate is not supported on the ESP8266");this.logger.log("Attempting to change baud rate to "+t+"...");try{let e=a("<II",t,this.IS_STUB?115200:0);await this.checkCommand(15,e)}catch(e){throw console.error(e),new Error(`Unable to change the baud rate to ${t}: No response from set baud rate command.`)}this._parent?await this._parent.reconfigurePort(t):await this.reconfigurePort(t)}async reconfigurePort(t){var e,a;try{this.stopReadLoop=!0,await(null===(e=this._reader)||void 0===e?void 0:e.cancel()),null===(a=this._reader)||void 0===a||a.releaseLock(),await this.port.close(),await this.port.open({baudRate:t}),this.stopReadLoop=!1,this.readLoop(),this.logger.log(`Changed baud rate to ${t}`)}catch(e){throw console.error(e),new Error(`Unable to change the baud rate to ${t}: ${e}`)}}async sync(){for(let t=0;t<5;t++){if(await this._sync())return await s(100),!0;await s(100)}throw new Error("Couldn't sync to ESP. Try resetting.")}async _sync(){await this.sendCommand(8,n);for(let t=0;t<8;t++){let[t,e]=await this.getResponse(8,100);if(null!==e&&(e.length>1&&0==e[0]&&0==e[1]))return!0}return!1}getFlashWriteSize(){return this.IS_STUB?16384:1024}async flashData(t,e,a=0,s=!1){let n,r=t.byteLength,o=0;s?(n=qe(new Uint8Array(t),{level:9}).buffer,o=n.byteLength,this.logger.log(`Writing data with filesize: ${r}. Compressed Size: ${o}`),await this.flashDeflBegin(r,o,a)):(this.logger.log(`Writing data with filesize: ${r}`),n=t,await this.flashBegin(r,a));let l=[],h=0,d=0,_=0,c=Date.now(),f=this.getFlashWriteSize(),u=s?o:r;for(;u-_>0;)this.debug&&this.logger.log(`Writing at ${i(a+h*f,8)} `),u-_>=f?l=Array.from(new Uint8Array(n,_,f)):(l=Array.from(new Uint8Array(n,_,u-_)),s||(l=l.concat(new Array(f-l.length).fill(255)))),s?await this.flashDeflBlock(l,h,2e3):await this.flashBlock(l,h,2e3),h+=1,d+=s?Math.round(l.length*r/o):l.length,_+=f,e(d,u);this.logger.log("Took "+(Date.now()-c)+"ms to write "+u+" bytes"),this.IS_STUB&&(await this.flashBegin(0,0),s?await this.flashDeflFinish():await this.flashFinish())}async flashBlock(t,e,i=100){await this.checkCommand(3,a("<IIII",t.length,e,0,0).concat(t),this.checksum(t),i)}async flashDeflBlock(t,e,i=100){await this.checkCommand(17,a("<IIII",t.length,e,0,0).concat(t),this.checksum(t))}async flashBegin(t=0,e=0,s=!1){let n,r,d=this.getFlashWriteSize();[o,l].includes(this.chipFamily)&&await this.checkCommand(13,new Array(8).fill(0)),this.chipFamily==o&&(r=a("<IIIIII",0,this._flashsize,65536,4096,256,65535),await this.checkCommand(11,r));let _,c=Math.floor((t+d-1)/d);n=33382==this.chipFamily?this.getEraseSize(e,t):t,_=this.IS_STUB?3e3:h(3e4,t);let f=Date.now();return r=a("<IIII",n,c,d,e),this.chipFamily==l&&(r=r.concat(a("<I",s?1:0))),this.logger.log("Erase size "+n+", blocks "+c+", block size "+d+", offset "+i(e,4)+", encrypted "+(s?"yes":"no")),await this.checkCommand(2,r,0,_),0==t||this.IS_STUB||this.logger.log("Took "+(Date.now()-f)+"ms to erase "+c+" bytes"),c}async flashDeflBegin(t=0,e=0,i=0,s=!1){let n,r=this.getFlashWriteSize(),o=Math.floor((e+r-1)/r),l=Math.floor((t+r-1)/r),d=0,_=0;return this.IS_STUB?(d=t,_=3e3):(d=l*r,_=h(3e4,d)),n=a("<IIII",d,o,r,i),await this.checkCommand(16,n,0,_),o}async flashFinish(){let t=a("<I",1);await this.checkCommand(4,t)}async flashDeflFinish(){let t=a("<I",1);await this.checkCommand(18,t)}getEraseSize(t,e){let a=4096,i=Math.floor((e+a-1)/a),s=16-Math.floor(t/a)%16;return i<s&&(s=i),i<2*s?Math.floor((i+1)/2*a):(i-s)*a}async memBegin(t,e,i,s){return await this.checkCommand(5,a("<IIII",t,e,i,s))}async memBlock(t,e){return await this.checkCommand(7,a("<IIII",t.length,e,0,0).concat(t),this.checksum(t))}async memFinish(t=0){let e=this.IS_STUB?3e3:50,i=a("<II",0==t?1:0,t);return await this.checkCommand(6,i,0,e)}async runStub(){const t=await d(this.chipFamily);let e=2048;this.logger.log("Uploading stub...");for(let a of["text","data"])if(Object.keys(t).includes(a)){let i=t[a+"_start"],s=t[a].length,n=Math.floor((s+e-1)/e);await this.memBegin(s,n,e,i);for(let i of Array(n).keys()){let n=i*e,r=n+e;r>s&&(r=s),await this.memBlock(t[a].slice(n,r),i)}}this.logger.log("Running stub..."),await this.memFinish(t.entry);const a=await this.readBuffer(100),i=String.fromCharCode(...a);if("OHAI"!=i)throw new Error("Failed to start stub. Unexpected response: "+i);this.logger.log("Stub is now running...");return new Qe(this.port,this.logger,this)}async writeToStream(t){const e=this.port.writable.getWriter();await e.write(new Uint8Array(t));try{e.releaseLock()}catch(t){console.error("Ignoring release lock error",t)}}async disconnect(){this._parent?await this._parent.disconnect():(this._reader&&await this._reader.cancel(),await this.port.writable.getWriter().close(),await this.port.close(),this.connected=!1)}}class Qe extends Je{constructor(){super(...arguments),this.IS_STUB=!0}async memBegin(t,e,a,s){let n=await d(this.chipFamily),r=s,o=s+t;console.log(r,o),console.log(n.data_start,n.data.length,n.text_start,n.text.length);for(let[t,e]of[[n.data_start,n.data_start+n.data.length],[n.text_start,n.text_start+n.text.length]])if(r<e&&o>t)throw new Error("Software loader is resident at "+i(t,8)+"-"+i(e,8)+". Can't load binary at overlapping address range "+i(r,8)+"-"+i(o,8)+". Try changing the binary loading address.")}async eraseFlash(){await this.checkCommand(208,[],0,6e5)}}const Ve=async t=>{const e=await navigator.serial.requestPort();return t.log("Connecting..."),await e.open({baudRate:115200}),t.log("Connected successfully."),new Je(e,t)};export{o as CHIP_FAMILY_ESP32,l as CHIP_FAMILY_ESP32S2,r as CHIP_FAMILY_ESP8266,Je as ESPLoader,Ve as connect};

package.json

 {
   "name": "esp-web-flasher",
-  "version": "2.1.1",
+  "version": "3.0.0",
   "description": "Flash ESP devices using WebSerial",
@@ -16,2 +16,3 @@ "main": "dist/index.js",
     "@rollup/plugin-typescript": "^8.2.1",
+    "@types/pako": "^1.0.1",
     "@types/w3c-web-serial": "^1.0.1",
@@ -25,4 +26,5 @@ "prettier": "^2.3.0",
   "dependencies": {
+    "pako": "^2.0.3",
     "tslib": "^2.2.0"
   }
 }

README.md

@@ -13,4 +13,2 @@ # ESP Web Flasher
 
-This is a fork of [Adafruit WebSerial ESPTool](https://github.com/adafruit/Adafruit_WebSerial_ESPTool). Their repository is a single-use website. This fork converts the code into a reusable package.
-
-The changes of this fork are part of [an open pull request](https://github.com/adafruit/Adafruit_WebSerial_ESPTool/pull/10) upstream. If accepted in a way that it's usable for our projects, we can retire this project.
+This is a fork of [Adafruit WebSerial ESPTool](https://github.com/adafruit/Adafruit_WebSerial_ESPTool). At the time fo the fork, their repository was a single-use website. This fork converted the code into a reusable package and published it to NPM.

src/const.ts

@@ -61,2 +61,5 @@ import { toByteArray } from "./util";
 export const ESP_CHECKSUM_MAGIC = 0xef;
+export const ESP_FLASH_DEFL_BEGIN = 0x10;
+export const ESP_FLASH_DEFL_DATA = 0x11;
+export const ESP_FLASH_DEFL_END = 0x12;
 
@@ -63,0 +66,0 @@ export const ROM_INVALID_RECV_MSG = 0x05;

src/esp_loader.ts

@@ -37,5 +37,9 @@ import {
   ESP_ROM_BAUD,
+  ESP_FLASH_DEFL_BEGIN,
+  ESP_FLASH_DEFL_DATA,
+  ESP_FLASH_DEFL_END,
 } from "./const";
 import { getStubCode } from "./stubs";
 import { pack, sleep, slipEncode, toHex, unpack } from "./util";
+import * as pako from "pako";
 
@@ -558,12 +562,33 @@ export class ESPLoader extends EventTarget {
     binaryData: ArrayBuffer,
-    updateProgress: (bytesWritten: number) => void,
-    offset = 0
+    updateProgress: (bytesWritten: number, totalBytes: number) => void,
+    offset = 0,
+    compress = false
   ) {
-    let filesize = binaryData.byteLength;
-    this.logger.log("Writing data with filesize:" + filesize);
-    await this.flashBegin(filesize, offset);
+    let uncompressedFilesize = binaryData.byteLength;
+    let compressedFilesize = 0;
+
+    let dataToFlash;
+
+    if (compress) {
+      dataToFlash = pako.deflate(new Uint8Array(binaryData), {
+        level: 9,
+      }).buffer;
+      compressedFilesize = dataToFlash.byteLength;
+      this.logger.log(
+        `Writing data with filesize: ${uncompressedFilesize}. Compressed Size: ${compressedFilesize}`
+      );
+      await this.flashDeflBegin(
+        uncompressedFilesize,
+        compressedFilesize,
+        offset
+      );
+    } else {
+      this.logger.log(`Writing data with filesize: ${uncompressedFilesize}`);
+      dataToFlash = binaryData;
+      await this.flashBegin(uncompressedFilesize, offset);
+    }
+
     let block = [];
     let seq = 0;
     let written = 0;
-    // let address = offset;
     let position = 0;
@@ -573,24 +598,38 @@ let stamp = Date.now();
 
+    let filesize = compress ? compressedFilesize : uncompressedFilesize;
+
     while (filesize - position > 0) {
-      /*logMsg(
-          "Writing at " + toHex(address + seq * flashWriteSize, 8) + "... (" + percentage + " %)"
-      );*/
+      if (this.debug) {
+        this.logger.log(
+          `Writing at ${toHex(offset + seq * flashWriteSize, 8)} `
+        );
+      }
       if (filesize - position >= flashWriteSize) {
         block = Array.from(
-          new Uint8Array(binaryData, position, flashWriteSize)
+          new Uint8Array(dataToFlash, position, flashWriteSize)
         );
       } else {
-        // Pad the last block
+        // Pad the last block only if we are sending uncompressed data.
         block = Array.from(
-          new Uint8Array(binaryData, position, filesize - position)
+          new Uint8Array(dataToFlash, position, filesize - position)
         );
-        block = block.concat(
-          new Array(flashWriteSize - block.length).fill(0xff)
-        );
+        if (!compress) {
+          block = block.concat(
+            new Array(flashWriteSize - block.length).fill(0xff)
+          );
+        }
       }
-      await this.flashBlock(block, seq, 2000);
+      if (compress) {
+        await this.flashDeflBlock(block, seq, 2000);
+      } else {
+        await this.flashBlock(block, seq, 2000);
+      }
       seq += 1;
-      written += block.length;
+      // If using compression we update the progress with the proportional size of the block taking into account the compression ratio.
+      // This way we report progress on the uncompressed size
+      written += compress
+        ? Math.round((block.length * uncompressedFilesize) / compressedFilesize)
+        : block.length;
       position += flashWriteSize;
-      updateProgress(written);
+      updateProgress(written, filesize);
     }
@@ -600,2 +639,12 @@ this.logger.log(
     );
+
+    // Only send flashF finish if running the stub because ir causes the ROM to exit and run user code
+    if (this.IS_STUB) {
+      await this.flashBegin(0, 0);
+      if (compress) {
+        await this.flashDeflFinish();
+      } else {
+        await this.flashFinish();
+      }
+    }
   }
@@ -615,2 +664,9 @@
   }
+  async flashDeflBlock(data: number[], seq: number, timeout = 100) {
+    await this.checkCommand(
+      ESP_FLASH_DEFL_DATA,
+      pack("<IIII", data.length, seq, 0, 0).concat(data),
+      this.checksum(data)
+    );
+  }
 
@@ -674,2 +730,38 @@ /**
 
+  /**
+   * @name flashDeflBegin
+   *
+   */
+
+  async flashDeflBegin(
+    size = 0,
+    compressedSize = 0,
+    offset = 0,
+    encrypted = false
+  ) {
+    // Start downloading compressed data to Flash (performs an erase)
+    // Returns number of blocks to write.
+    let flashWriteSize = this.getFlashWriteSize();
+    let numBlocks = Math.floor(
+      (compressedSize + flashWriteSize - 1) / flashWriteSize
+    );
+    let eraseBlocks = Math.floor((size + flashWriteSize - 1) / flashWriteSize);
+    let writeSize = 0;
+    let timeout = 0;
+    let buffer;
+
+    if (this.IS_STUB) {
+      writeSize = size; // stub expects number of bytes here, manages erasing internally
+      timeout = DEFAULT_TIMEOUT;
+    } else {
+      writeSize = eraseBlocks * flashWriteSize; // ROM expects rounded up to erase block size
+      timeout = timeoutPerMb(ERASE_REGION_TIMEOUT_PER_MB, writeSize); // ROM performs the erase up front
+    }
+    buffer = pack("<IIII", writeSize, numBlocks, flashWriteSize, offset);
+
+    await this.checkCommand(ESP_FLASH_DEFL_BEGIN, buffer, 0, timeout);
+
+    return numBlocks;
+  }
+
   async flashFinish() {
@@ -680,2 +772,7 @@ let buffer = pack("<I", 1);
 
+  async flashDeflFinish() {
+    let buffer = pack("<I", 1);
+    await this.checkCommand(ESP_FLASH_DEFL_END, buffer);
+  }
+
   /**
@@ -682,0 +779,0 @@ * @name getEraseSize

New alerts

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Found 1 instance in 1 package

Fixed alerts

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License

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

254930

increased by24.73%

Lines of code

3783

increased by9.84%

Worsened metrics

Dependency count

2

increased by100%

Dev dependency count

10

increased by11.11%

Number of lines in readme file

14

decreased by-12.5%

Dependency changes

• + Addedpako@^2.0.3

• + Addedpako@2.1.0(transitive)