rm packet from read arg

src/transport/ISerialTransport.ts

@@ -43,7 +43,7 @@ export interface ISerialTransport {
    * @param {Uint8Array} packet Unsigned 8 bit array from the device read stream.
    * @returns {Promise<Uint8Array>} 8 bit unsigned data array read from device.
    */
-  read(timeout?: number, minData?: number, packet?: Uint8Array): Promise<Uint8Array>;
+  read(timeout?: number, minData?: number): Promise<Uint8Array>;
 
   /**
    * Send the RequestToSend (RTS) signal to given state

src/transport/WebSerialTransport.ts

@@ -98,7 +98,7 @@ export class WebSerialTransport implements ISerialTransport {
    * @param {Uint8Array} packet Unsigned 8 bit array from the device read stream.
    * @returns {Promise<Uint8Array>} 8 bit unsigned data array read from device.
    */
-  async read(timeout: number = 0, minData: number = 0, packet?: Uint8Array): Promise<Uint8Array> {
+  async read(timeout: number = 0, minData: number = 0): Promise<Uint8Array> {
     if (this.leftOver.length != 0) {
       const p = this.leftOver;
       this.leftOver = new Uint8Array(0);
@@ -109,9 +109,7 @@ export class WebSerialTransport implements ISerialTransport {
     }
     this.reader = this.device.readable.getReader();
     let t;
-    if (!packet) {
-      packet = this.leftOver;
-    }
+    let packet = this.leftOver;
     try {
       if (timeout > 0) {
         t = setTimeout(() => {

src/utils/slip.ts

@@ -119,7 +119,7 @@ export class Slip {
       packet = this.transport.leftOver;
       this.transport.leftOver = new Uint8Array(0);
     }
-    packet = await this.transport.read(timeout, minData, packet);
+    packet = await this.transport.read(timeout, minData);
 
     if (this.tracer) {
       this.tracer.trace("Read SLIP bytes");