comi-logic/expo-ble-app-demo
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expo-ble模块测试demo 联调BLE模块 take 10 新增log 打印ani文件前后512字节

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Yudi Xiao
2025-12-11 16:42:41 +08:00
parent f816165779
commit 83cdf722ac
8 changed files with 32 additions and 29 deletions
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13
ble/protocol/ProtocolManager.ts
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@@ -1,5 +1,5 @@
import {ProtocolFrame} from './types';
import {FRAME_CONSTANTS, COMMAND_TYPES, FRAME_HEAD} from './Constants';
import {FRAME_CONSTANTS, APP_COMMAND_TYPES, FRAME_HEAD} from './Constants';
export class ProtocolManager {
@@ -13,9 +13,7 @@ export class ProtocolManager {
for (let i = 0; i < frameData.length; i++) {
sum += frameData[i];
}
const checksumV1 = (0 - sum) & 0xff
const checksum = (~sum + 1) & 0xff
console.debug(`[ProtocolManager] Checksum V1 calculated: 0 - ${sum} = ${checksumV1.toString(16).padStart(2, '0')}`);
console.debug(`[ProtocolManager] Checksum calculated: 0 - ${sum} = ${checksum.toString(16).padStart(2, '0')}`);
return checksum;
}
@@ -25,10 +23,9 @@ export class ProtocolManager {
}
static createFrame(
type: COMMAND_TYPES,
type: APP_COMMAND_TYPES,
data: Uint8Array,
head: FRAME_HEAD = FRAME_CONSTANTS.HEAD_APP_TO_DEVICE,
requireFragmentation: boolean = true,
maxDataSize: number = FRAME_CONSTANTS.MAX_DATA_SIZE
): Uint8Array[] {
// Max pages index is 4 bytes, so we can fit up to 65535 pages of data
@@ -36,7 +33,7 @@ export class ProtocolManager {
if (data.length > maxTotalSize) {
throw new Error(`Data size ${data.length} exceeds max size ${maxTotalSize}`);
}
if (data.length <= maxDataSize || !requireFragmentation) {
if (data.length <= maxDataSize) {
console.debug(`[ProtocolManager] Frame size ${data.length} is less than max size ${maxDataSize}, not fragmented`);
return [this.createSingleFrame(type, data, head)];
} else {
@@ -45,7 +42,7 @@ export class ProtocolManager {
}
}
private static createSingleFrame(type: COMMAND_TYPES, data: Uint8Array, head: FRAME_HEAD): Uint8Array {
private static createSingleFrame(type: APP_COMMAND_TYPES, data: Uint8Array, head: FRAME_HEAD): Uint8Array {
const buffer = new Uint8Array(FRAME_CONSTANTS.HEADER_SIZE + data.length + FRAME_CONSTANTS.FOOTER_SIZE);
let offset = 0;
@@ -78,7 +75,7 @@ export class ProtocolManager {
return buffer;
}
private static createFragmentedFrames(type: COMMAND_TYPES, data: Uint8Array, head: FRAME_HEAD, maxDataSize: number): Uint8Array[] {
private static createFragmentedFrames(type: APP_COMMAND_TYPES, data: Uint8Array, head: FRAME_HEAD, maxDataSize: number): Uint8Array[] {
const frames: Uint8Array[] = [];
const totalSize = data.length;
const totalPages = Math.ceil(totalSize / maxDataSize);