更新EsptouchForIOS

2020-06-10 20:27:25 +08:00
parent 1f69653c19
commit b8d6ad08ea
42 changed files with 1625 additions and 853 deletions
@@ -0,0 +1,59 @@
+//
+//  ESPDataCode.m
+//  EspTouchDemo
+//
+//  Created by fby on 4/9/15.
+//  Copyright (c) 2015 fby. All rights reserved.
+//
+
+#import "ESPDataCode.h"
+#import "ESP_ByteUtil.h"
+#import "ESP_CRC8.h"
+
+#define INDEX_MAX   127
+
+@implementation ESPDataCode
+
+- (id) initWithU8: (UInt8) u8 andIndex: (int) index
+{
+    if (index > INDEX_MAX)
+    {
+        perror("index > INDEX_MAX");
+    }
+    self = [super init];
+    if (self)
+    {
+        NSData* u8Data = [ESP_ByteUtil splitUint8To2Bytes:u8];
+        [u8Data getBytes:&_dataHigh range:NSMakeRange(0, 1)];
+        [u8Data getBytes:&_dataLow range:NSMakeRange(1, 1)];
+        ESP_CRC8 *crc = [[ESP_CRC8 alloc]init];
+        [crc updateWithValue:u8];
+        [crc updateWithValue:index];
+        NSData* crcData = [ESP_ByteUtil splitUint8To2Bytes:[crc getValue]];
+        [crcData getBytes:&_crcHigh range:NSMakeRange(0, 1)];
+        [crcData getBytes:&_crcLow range:NSMakeRange(1, 1)];
+        _seqHeader = index;
+    }
+    return self;
+}
+
+- (NSData *) getBytes
+{
+    Byte bytes[DATA_CODE_LEN];
+    bytes[0] = 0x00;
+    bytes[1] = [ESP_ByteUtil combine2bytesToOneWithHigh:_crcHigh andLow:_dataHigh];
+    bytes[2] = 0x01;
+    bytes[3] = _seqHeader;
+    bytes[4] = 0x00;
+    bytes[5] = [ESP_ByteUtil combine2bytesToOneWithHigh:_crcLow andLow:_dataLow];
+    NSData* data = [[NSData alloc]initWithBytes:bytes length:DATA_CODE_LEN];
+    return data;
+}
+
+- (NSString *)description
+{
+    NSData* data = [self getBytes];
+    return [ESP_ByteUtil getHexStringByData:data];
+}
+
+@end