I have edit the code from the forum to save serialCameralL1 images into SD card. The problem is : the code can save QQVGA and QVGA images, but it can not save VGA images. the Full code is like follows:
using System;
using System.Threading;
using Microsoft.SPOT;
using Microsoft.SPOT.IO;
using Microsoft.SPOT.Hardware;
using System.IO;
using GTM = Gadgeteer.Modules.GHIElectronics;
using GT = Gadgeteer;
using GHI.Utilities;
namespace Gadgeteertrysave
{
public partial class Program
{
private GT.Timer timer;
Microsoft.SPOT.Bitmap image = null;
void ProgramStarted()
{
this.serialCameraL1.ImageResolution = GTM.SerialCameraL1.Resolution.QQVGA;
this.serialCameraL1.StartStreaming();
this.timer = new GT.Timer(1);
timer.Behavior = GT.Timer.BehaviorType.RunOnce;
this.timer.Tick += this.timer_Tick;
System.Threading.Thread t = new System.Threading.Thread(cameraThread);
t.Start();
}
private void cameraThread()
{
serialCameraL1.StartStreaming();
while (!serialCameraL1.NewImageReady)
Thread.Sleep(10);
if (image != null)
image.Dispose();
image = serialCameraL1.GetImage();
serialCameraL1.StopStreaming();
timer.Start();
Thread.Sleep(2); //Lets timer run so I can see image
VolumeInfo[] vi2 = VolumeInfo.GetVolumes();
if (vi2[0].IsFormatted)
{
try
{
int fileSize = image.Height * image.Width * 3 + 54;
LargeBuffer data = new LargeBuffer(fileSize);
ConvertToFile(image, data.Bytes);
Debug.Print("finish convert");
string rootDirectory = VolumeInfo.GetVolumes()[0].RootDirectory;
string imageName = rootDirectory + @ "\Test_" + DateTime.Now.Ticks.ToString() + ".bmp";
FileStream FileHandle = new FileStream(imageName, FileMode.Create);
FileHandle.Write(data.Bytes, 0, fileSize);
FileHandle.Close();
VolumeInfo[] vi = VolumeInfo.GetVolumes();
for (int i = 0; i < vi.Length; i++) vi[i].FlushAll();
}
catch (Exception exp)
{
Debug.Print(exp.Message.ToString());
}
}
else
{
Debug.Print("Storage is not formatted. " + "Format on PC with FAT32/FAT16 first!");
}
Mainboard.UnmountStorageDevice(vi2[0].Name);
System.Threading.Thread.Sleep(30000);
}
private void timer_Tick(GT.Timer timer)
{
this.displayTE35.SimpleGraphics.DisplayImage(image, 0, 0); //will not run anywhere but in a timer routine
}
private void ConvertToFile(Bitmap bitmap, byte[] outputBuffer) //From old post since Bitmaps.ConvertToFile still seems broken
{
Debug.Print("start to convert");
byte[] inputBuffer = bitmap.GetBitmap();
uint width = (uint)bitmap.Width;
uint height = (uint)bitmap.Height;
if (outputBuffer.Length != width * height * 3 + 54) throw new System.ArgumentException("outputBuffer.Length must be width * height * 3 + 54.", "outputSize");
System.Array.Clear(outputBuffer, 0, outputBuffer.Length);
Utility.InsertValueIntoArray(outputBuffer, 0, 2, 19778);
Utility.InsertValueIntoArray(outputBuffer, 2, 4, width * height * 3 + 54);
Utility.InsertValueIntoArray(outputBuffer, 10, 4, 54);
Utility.InsertValueIntoArray(outputBuffer, 14, 4, 40);
Utility.InsertValueIntoArray(outputBuffer, 18, 4, width);
Utility.InsertValueIntoArray(outputBuffer, 22, 4, (uint)(-height));
Utility.InsertValueIntoArray(outputBuffer, 26, 2, 1);
Utility.InsertValueIntoArray(outputBuffer, 28, 2, 24);
for (int i = 0, j = 54; i < width * height * 4; i += 4, j += 3)
{
outputBuffer[j + 0] = inputBuffer[i + 2];
outputBuffer[j + 1] = inputBuffer[i + 1];
outputBuffer[j + 2] = inputBuffer[i + 0];
}
}
}
}
When I try to save VGA images, the code will be stuck to
, and will never get a result. It might be the buffer overflow , but I don't know how to solve this problem, does anyone can help? Many thanks.