Question

我需要您的帮助才能将值写入BLE设备。

我已经检查了很多像这样的话题： BLE writeValue to peripheral

我知道如何写一个值，我必须使用该代码

NSData *data = [NSData alloc];

data = [@"0s000000000000000000" dataUsingEncoding:NSUTF8StringEncoding];

[peripheral writeValue:data
                     forCharacteristic:characteristic
                                  type:CBCharacteristicWriteWithResponse];

这种格式@“ 0s000000000000000000”对我来说可以

我的问题是，我需要编写以下命令：

x 0x50 0x00 0x1B 0x64 0x10 x 0x00 0x01 0x3C 0x02 0x10 0x00 x x 0x01

我不明白该怎么写。你能帮我吗？

编辑：2019-05-14

@Larme：

示例：这段代码好吗？

uint8_t theData[] = { 0x0, 0x50, 0x00, 0x1B, 0x64, 0x10, 0x0, 0x00, 0x01, 0x3C, 0x02, 0x10, 0x00, 0x0, 0x0, 0x01 };
NSData *data = [NSData dataWithBytes:&theData length:sizeof(theData)];

[peripheral writeValue:data forCharacteristic:characteristic type:CBCharacteristicWriteWithResponse];

编辑：2019-05-15

我找到了这个主题： https://www.codeproject.com/Questions/884078/I-need-to-send-a-write-command-to-Bluetooth-low-en

那代码好吗？

NSMutableData *concatenate = [NSMutableData data];

uint8_t d_a = 0x0;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_a length:sizeof(d_a)]];

uint8_t d_b = 0x50;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_b length:sizeof(d_b)]];

uint8_t d_c = 0x00;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_c length:sizeof(d_c)]];

uint8_t d_d = 0x1B;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_d length:sizeof(d_d)]];

uint8_t d_e = 0x64;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_e length:sizeof(d_e)]];

uint8_t d_f = 0x10;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_f length:sizeof(d_f)]];

uint8_t d_g = 0x0;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_g length:sizeof(d_g)]];

uint8_t d_h = 0x00;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_h length:sizeof(d_h)]];

uint8_t d_i = 0x01;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_i length:sizeof(d_i)]];

uint8_t d_j = 0x3C;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_j length:sizeof(d_j)]];

uint8_t d_k = 0x02;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_k length:sizeof(d_k)]];

uint8_t d_l = 0x10;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_l length:sizeof(d_l)]];

uint8_t d_m = 0x00;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_m length:sizeof(d_m)]];

uint8_t d_n = 0x0;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_n length:sizeof(d_n)]];

uint8_t d_o = 0x0;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_o length:sizeof(d_o)]];

uint8_t d_p = 0x01;
[concatenate appendData:[NSData dataWithBytes:(void*)&d_p length:sizeof(d_p)]];

[peripheral writeValue:concatenate forCharacteristic:characteristic type:CBCharacteristicWriteWithResponse];

在Swift上，我认为（我不确定）代码是：

let bytes : [UInt8] = [ 0x0, 0x50, 0x00, 0x1B, 0x64, 0x10, 0x0, 0x00, 0x01, 0x3C, 0x02, 0x10, 0x00, 0x0, 0x0, 0x01 ]
let data = NSData(bytes: bytes, length: bytes.count)

来源： Sending Hex String using WriteValue in Swift

我不知道这是否很好（+我需要目标C代码）

外围设备和writeValue

0 个答案: