uu

components/tpx-bluetooth-print/print/printJob.js

@@ -24,24 +24,31 @@
 
 export function sendDataToDevice(options) {
     let byteLength = options.value.byteLength;
-    //这里默认一次20个字发送
+    // 这里默认一次20个字发送
     const speed = options.onceByleLength || 20;
+	console.log('byteLength====', byteLength)
     if (byteLength > 0) {
+		console.log('speed====', speed)
+		console.log('value====', options.value)
         uni.writeBLECharacteristicValue({
             ...options,
             // writeType:"writeNoResponse",
             value: options.value.slice(0, byteLength > speed ? speed : byteLength),
             success: function (res) {
-                if (byteLength > speed) {
+				// 【writeBLECharacteristicValue】安卓存在频繁调用失败的情况，下次调用前必须加上延迟
-                    sendDataToDevice({
+				setTimeout(()=> {
-                        ...options,
+					if (byteLength > speed) {
-                        value: options.value.slice(speed, byteLength),
+					    sendDataToDevice({
-                    });
+					        ...options,
-                } else {
+					        value: options.value.slice(speed, byteLength),
-                    options.lasterSuccess && options.lasterSuccess();
+					    });
-                }
+					} else {
+					    options.lasterSuccess && options.lasterSuccess();
+					}
+				},10)
             },
             fail: function (res) {
+				console.log('writeBLECharacteristicValue:fail====', res)
                 options.onError && options.onError(res);
             },
         });
@@ -116,7 +123,6 @@ function grayPixle(pix) {
     }
  */
 export function overwriteImageData(data) {
-	console.log("overwriteImageData data====", data)
     let sendWidth = data.width,
         sendHeight = data.height;
     const threshold = data.threshold || 180;
@@ -174,13 +180,16 @@ export function overwriteImageData(data) {
  */
 export function sendDataToPrint(options, allUint8Array) {
     const allLenth = allUint8Array.length;
-	console.log("====allLenth===", allLenth)
+	console.log("sendDataToPrint:allLenth=======", allLenth)
+	console.log("sendDataToPrint:allUint8Array-len=======", allUint8Array.length)
     const writeArrayCopyer = allUint8Array.slice(0);
     const print = (options, writeArray) => {
+		console.log("===writeArray.length===", writeArray.length)
         if (writeArray.length) {
+			let curBuffer = writeArray.shift().buffer
             sendDataToDevice({
                 ...options,
-                value: writeArray.shift().buffer,
+                value: curBuffer,
                 lasterSuccess: () => {
                     options.onProgress &&
                         options.onProgress(Math.floor(((allLenth - writeArray.length) / allLenth) * 100));
@@ -246,8 +255,6 @@ export function getImageCommandArray(opt = {}, imageInfo = {}) {
     }
  */
 export function getPrintImageWriteArray(opt = {}, imageInfo = {}) {
-	console.log('getPrintImageWriteArray:opt======', opt)
-	console.log('getPrintImageWriteArray:imageInfo=====', imageInfo)
     const lineByLine = typeof opt.lineByLine !== 'boolean' ? true : opt.lineByLine;
     const width = imageInfo.width;
     let arr = imageInfo.array;