ios - 将数据从支持 BLE 的 arduino 发送到 iOS 应用程序 - 知识问答 - OStack程序员社区-中国程序员成长平台

菜鸟教程小白 发表于 2022-12-12 23:14:51

ios - 将数据从支持 BLE 的 arduino 发送到 iOS 应用程序

我正在使用 Adafruit Bluefruit Feather 构建一个设备，该设备可以收集数据，然后将数据发送到 iPhone，在那里进行读取和处理。我查看了无数试图解释如何对设备进行编程的示例，但我似乎对如何通过蓝牙将设备连接到 iPhone 存在误解。 

我们将此代码基于 Adafruit 示例之一，并尝试合并 Adafruit BLE Gatt 库 (<a href="https://learn.adafruit.com/introducing-adafruit-ble-bluetooth-low-energy-friend/ble-gatt" rel="noreferrer noopener nofollow">https://learn.adafruit.com/introducing-adafruit-ble-bluetooth-low-energy-friend/ble-gatt</a>)，但它不起作用，这是我们第一次使用蓝牙。我们使用的 iOS 代码来自 <a href="https://github.com/nebs/hello-bluetooth" rel="noreferrer noopener nofollow">https://github.com/nebs/hello-bluetooth</a> .我们没有对 swift 代码进行任何更改。欢迎任何建议。我们发现了很多关于将数据从应用程序发送到 arduino 的信息，但关于将数据从 arduino 发送到应用程序的信息有限。如果您能告诉我们我们是否走在正确的轨道上，或者在发送数据方面是否应该进行任何更改，我们将不胜感激。

到目前为止，我一直在使用以下内容:

<pre><code>#include <Arduino.h>
#include <SPI.h>
#if not defined (_VARIANT_ARDUINO_DUE_X_) && not defined (_VARIANT_ARDUINO_ZERO_)
#include <SoftwareSerial.h>
#endif
#include "Adafruit_BLE.h"
#include "Adafruit_BluefruitLE_SPI.h"
#include "Adafruit_BluefruitLE_UART.h"
#include "BluefruitConfig.h"
#include "Adafruit_BLEGatt.h"
#define FACTORYRESET_ENABLE 1
Adafruit_BluefruitLE_SPI ble(BLUEFRUIT_SPI_CS, BLUEFRUIT_SPI_IRQ, BLUEFRUIT_SPI_RST);
Adafruit_BLEGatt gatt(ble);
void error(const __FlashStringHelper*err) {
Serial.println(err);
while (1);
}

int32_t gattServiceId;
int32_t gattNotifiableCharId;
int32_t gattWritableResponseCharId;
int32_t gattWritableNoResponseCharId;
int32_t gattReadableCharId;
int32_t jumperPresentID;

void setup(void){
while (!Serial);// required for Flora & Micro
delay(500);
boolean success;
Serial.begin(115200);
randomSeed(micros());
Serial.print(F("Initialising the Bluefruit LE module: "));
if ( !ble.begin(VERBOSE_MODE) ){
error(F("Couldn't find Bluefruit, make sure it's in CoMmanD mode & check wiring?"));
}
Serial.println( F("OK!") );
if ( FACTORYRESET_ENABLE ){
Serial.println(F("Performing a factory reset: "));
if ( ! ble.factoryReset() ){
 error(F("Couldn't factory reset"));
}
}
ble.echo(false);
Serial.println("Requesting Bluefruit info:");
ble.info();
Serial.println(F("Adding the Custom GATT Service definition: "));
success = ble.sendCommandWithIntReply( F("AT+GATTADDSERVICE=UUID128=00-77-13-12-10-00-00-00-00-00-EE-BA-AD-DA-BE-CF"), &gattServiceId);
if (! success) {
error(F("Could not add Custom GATT service"));
}
Serial.println(F("Adding the Notifiable characteristic: "));
success = ble.sendCommandWithIntReply( F("AT+GATTADDCHAR=UUID128=00-67-42-01-14-88-59-77-42-42-AB-BA-DA-DA-EE-CC,PROPERTIES=0x10,MIN_LEN=1, MAX_LEN=20, VALUE=-9999"), &gattNotifiableCharId);
if (! success) {
error(F("Could not add Custom Notifiable characteristic"));
}
Serial.println(F("Adding the Writable with Response characteristic: "));
success = ble.sendCommandWithIntReply( F("AT+GATTADDCHAR=UUID128=00-68-42-02-00-77-12-10-13-42-CC-BA-DE-FA-EA-BB,PROPERTIES=0x04,MIN_LEN=1, MAX_LEN=20, VALUE=GREEN"), &gattWritableResponseCharId);
if (! success) {
error(F("Could not add Custom Writable with Response characteristic"));
}
Serial.println(F("Adding the Writable with No Response characteristic: "));
success = ble.sendCommandWithIntReply( F("AT+GATTADDCHAR=UUID128=00-69-42-03-00-77-12-10-13-42-CC-BA-DE-FA-EA-BC,PROPERTIES=0x08,MIN_LEN=1, MAX_LEN=20, VALUE=GREEN"), &gattWritableNoResponseCharId);
if (! success) {
error(F("Could not add Custom Writable with No Response characteristic"));
}
Serial.println(F("Adding the Readable characteristic: "));
success = ble.sendCommandWithIntReply( F("AT+GATTADDCHAR=UUID128=00-70-42-04-00-77-12-10-13-42-CC-BA-DE-FA-EA-BD,PROPERTIES=0x02,MIN_LEN=1, MAX_LEN=20, VALUE=GREEN"), &gattReadableCharId);
if (! success) {
error(F("Could not add Custom Readable characteristic"));
}
Serial.print(F("Adding Custom GATT Service UUID to the advertising payload: "));
ble.sendCommandCheckOK( F("AT+GAPSETADVDATA=02-01-06-03-02-12-13") );

jumperPresentID = gatt.addCharacteristic(0x04, GATT_CHARS_PROPERTIES_INDICATE, 5, 5, 5);

/* Reset the device for the new service setting changes to take effect */
Serial.print(F("Performing a SW reset (service changes require a reset): "));
ble.reset();

pinMode(A1, INPUT);
pinMode(A2, INPUT);
pinMode(A3, INPUT);
pinMode(A4, INPUT);
pinMode(A5, INPUT);
digitalWrite(A1, LOW);
digitalWrite(A2, LOW);
digitalWrite(A3, LOW);
digitalWrite(A4, LOW);
digitalWrite(A5, LOW);
}

void loop(void){
Serial.println("VOLTAGE");
int sensorValue = analogRead(A1);
float voltage = sensorValue * (3.3 / 1023.0);
delay(2000);
Serial.println(voltage);
if(voltage == 0){
Serial.println("ALERT");
}
if(analogRead(A1) == 0 || analogRead(A2) == 0 || analogRead(A3) == 0 || analogRead(A4) == 0 || analogRead(A5) == 0){
 Serial.print("one is removed");
 gatt.setChar(jumperPresentID, 0, 5);
}else{
gatt.setChar(jumperPresentID, 2, 5);
}
Serial.println(voltage);
delay(2000);
}
</code></pre>

编辑:
我已经添加了 Arduino 串口的输出

<blockquote>
Adafruit Bluefruit AT Command Example
------------------------------------- Initialising the Bluefruit LE module: OK! Performing a factory reset:AT+FACTORYRESET

<- OK ATE=0

<- OK Requesting Bluefruit info:
---------------- BLESPIFRIEND nRF51822 QFACA10 5953B6F51A2BE44E
0.6.7
0.6.7 Sep 17 2015 S110 8.0.0, 0.2
---------------- Adding the Custom GATT Service definition:AT+GATTADDSERVICE=UUID128=00-77-13-12-10-00-00-00-00-00-EE-BA-AD-DA-BE-CF

<- 1

<- OK Adding the Notifiable characteristic:
AT+GATTADDCHAR=UUID128=00-67-42-01-14-88-59-77-42-42-AB-BA-DA-DA-EE-CC,PROPERTIES=0x10,MIN_LEN=1,
MAX_LEN=20, VALUE=-9999

<- 1

<- OK Adding the Writable with Response characteristic:
AT+GATTADDCHAR=UUID128=00-68-42-02-00-77-12-10-13-42-CC-BA-DE-FA-EA-BB,PROPERTIES=0x04,MIN_LEN=1,
MAX_LEN=20, VALUE=GREEN

<- 2

<- OK Adding the Writable with No Response characteristic:
AT+GATTADDCHAR=UUID128=00-69-42-03-00-77-12-10-13-42-CC-BA-DE-FA-EA-BC,PROPERTIES=0x08,MIN_LEN=1,
MAX_LEN=20, VALUE=GREEN

<- 3

<- OK Adding the Readable characteristic:
AT+GATTADDCHAR=UUID128=00-70-42-04-00-77-12-10-13-42-CC-BA-DE-FA-EA-BD,PROPERTIES=0x02,MIN_LEN=1,
MAX_LEN=20, VALUE=GREEN

<- 4

<- OK Adding Custom GATT Service UUID to the advertising payload:
AT+GAPSETADVDATA=02-01-06-03-02-12-13

<- OK
AT+GATTADDCHAR=UUID=4,PROPERTIES=32,MIN_LEN=5,MAX_LEN=5,DATATYPE=5
Option Error: DATATYPE=5

<- ERROR Performing a SW reset (service changes require a reset): ATZ

<- OK VOLTAGE
0.97 AT+GATTCHAR=0,01-00-01-02-EE

<- ERROR
0.97 VOLTAGE
0.15 AT+GATTCHAR=0,01-00-01-02-EE
</blockquote>
 <hr><h1>Best Answer-推荐答案</h1> 
 确保您有足够的电量。如果没有足够的电量来启动蓝牙或 Wifi 设备，一些蓝牙或 WiFi Arduino 在运行 Arduino 草图后会关闭。另外，尝试使用 Adafruits iPhone 代码尝试连接。
<a href="https://learn.adafruit.com/bluefruit-le-connect-for-ios" rel="noreferrer noopener nofollow">https://learn.adafruit.com/bluefruit-le-connect-for-ios</a> 

关于ios - 将数据从支持 BLE 的 arduino 发送到 iOS 应用程序，我们在Stack Overflow上找到一个类似的问题：
<a href="https://stackoverflow.com/questions/41224698/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/41224698/
</a>

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ios - 将数据从支持 BLE 的 arduino 发送到 iOS 应用程序