Files
Proftaak-RH-B4/ProftaakRH/DataConverter.cs
2020-09-11 11:37:53 +02:00

116 lines
4.1 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
namespace Hardware
{
/// <summary>
/// DataConverter class that handles all conversion of received data from the BLE bike.
/// </summary>
class DataConverter : IDataConverter
{
/// <summary>
/// Receives, parses and displays any incoming data from the bike.
/// </summary>
/// <param name="bytes">the array of bytes that was received</param>
public void Bike(byte[] bytes)
{
if (bytes == null)
{
Console.WriteLine("HEY, didn't get bytes!\n-Bike DataConverter");
}
else
if (bytes.Length == 8)
{
switch (bytes[0])
{
case 0x10:
if (bytes[1] != 25)
{
Console.WriteLine("WTF this isn't a bike");
}
Console.WriteLine($"Time since start is: {bytes[2] / 4}s (Rollover every 4s)");
Console.WriteLine($"Distance Traveled is : {bytes[3]}m (Rollover every 256m)");
int input = bytes[4] | (bytes[5] << 8);
Console.WriteLine($"Speed is : {input * 0.01}m/s (Range 65.534m/4)");
if (bytes[6] != 0xFF)
{
Console.WriteLine("Heart rate byte: {0}", Convert.ToString(bytes[6],2));
}
break;
case 0x19:
Console.WriteLine($"Event count: {bytes[1]} (Rollover 256)");
if (bytes[2] != 0xFF)
{
Console.WriteLine($"Instantaneous cadence: {bytes[2]} RPM (Range 0-254)");
}
int accumPower = bytes[3] | (bytes[4] << 8);
Console.WriteLine($"Accumulated power: {accumPower} watt (Rollover 65536)");
int instantPower = (bytes[5]) | (bytes[6]>>4)<<8;
if (instantPower != 0xFFF)
Console.WriteLine($"Instant power: {instantPower} watt (Range 0-4094)");
// other flags that are not really used but might be useful
int trainerStatus = bytes[6] & 0b00001111; // bit 4-7
int flags = bytes[7] >> 4;
int FEState = bytes[7] & 0b00001111;
break;
default:
Console.WriteLine("HEY, I never heard of data page {0}\n-DataConverter", bytes[0]);
break;
}
}
else
{
Console.WriteLine("HEY, I didn't get 8 bytes!\n-DataConverter");
}
Console.WriteLine();
}
/// <summary>
/// Gets and prints the BPM from the message received from the bike.
/// </summary>
/// <param name="bytes">The array with bytes that was received</param>
public void BPM(byte[] bytes)
{
if (bytes == null)
{
Console.WriteLine("HEY, didn't get bytes!\n-BPM DataConverter");
return;
}
if (bytes[0] != 0)
{
Console.WriteLine("HOLY SHIT i got flags!!! {0} now i can't do anything\n-BPM DataConverter", bytes[0]);
}
else if (bytes.Length != 2)
{
Console.WriteLine("bytes length is: {0}", bytes.Length);
}
else
{
Console.WriteLine("BPM: {0}", bytes[1]);
}
Console.WriteLine();
}
}
/// <summary>
/// Dataconverter interface for handling data received from the bike
/// </summary>
interface IDataConverter
{
void BPM(byte[] bytes);
void Bike(byte[] bytes);
}
}