src/FutabaVfd.cpp
changeset 12 7268128148b8
parent 11 11a0e8a2346e
child 13 69f1fcfdf6a5
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/FutabaVfd.cpp	Thu May 22 07:16:55 2014 +0200
     1.3 @@ -0,0 +1,227 @@
     1.4 +
     1.5 +#include "FutabaVfd.h"
     1.6 +//#include <stdlib.h>
     1.7 +#include <string.h>
     1.8 +
     1.9 +
    1.10 +//
    1.11 +//
    1.12 +//
    1.13 +
    1.14 +
    1.15 +
    1.16 +
    1.17 +
    1.18 +//
    1.19 +//
    1.20 +//
    1.21 +
    1.22 +FutabaVfdCommand::FutabaVfdCommand():/*iBuffer(NULL),*/iSize(0),iMaxSize(0)
    1.23 +    {
    1.24 +    }
    1.25 +
    1.26 +FutabaVfdCommand::~FutabaVfdCommand()
    1.27 +    {
    1.28 +    //Delete();
    1.29 +    }
    1.30 +
    1.31 +
    1.32 +/**
    1.33 +
    1.34 +*/
    1.35 +void FutabaVfdCommand::Reset()
    1.36 +    {
    1.37 +    memset(iReports,0,sizeof(iReports));
    1.38 +    }
    1.39 +
    1.40 +
    1.41 +
    1.42 +/**
    1.43 +
    1.44 +*/
    1.45 +/*
    1.46 +void FutabaVfdCommand::Create(int aMaxSize)
    1.47 +    {
    1.48 +    iBuffer=new unsigned char[aMaxSize];
    1.49 +    if (iBuffer)
    1.50 +        {
    1.51 +        iMaxSize = aMaxSize;
    1.52 +        iSize = 0;
    1.53 +        }
    1.54 +    }
    1.55 +*/
    1.56 +
    1.57 +/**
    1.58 +
    1.59 +*/
    1.60 +/*
    1.61 +void FutabaVfdCommand::Delete()
    1.62 +{
    1.63 +    delete[] iBuffer;
    1.64 +    iBuffer = NULL;
    1.65 +    iMaxSize = 0;
    1.66 +    iSize = 0;
    1.67 +}
    1.68 +*/
    1.69 +
    1.70 +
    1.71 +//
    1.72 +// class HidDevice
    1.73 +//
    1.74 +
    1.75 +/**
    1.76 +*/
    1.77 +int HidDevice::Open(const char* aPath)
    1.78 +	{
    1.79 +	Close();
    1.80 +
    1.81 +	iHidDevice =  hid_open_path(aPath);
    1.82 +
    1.83 +	if (!iHidDevice)
    1.84 +		{
    1.85 +		//Fail to connect our device
    1.86 +		return 0;
    1.87 +		}
    1.88 +
    1.89 +	return 1;
    1.90 +	}
    1.91 +
    1.92 +/**
    1.93 +See hidapi documentation.
    1.94 +*/
    1.95 +int HidDevice::Open(unsigned short aVendorId, unsigned short aProductId, const wchar_t* aSerialNumber)
    1.96 +	{
    1.97 +	iHidDevice = hid_open(aVendorId, aProductId, aSerialNumber);
    1.98 +
    1.99 +	if (!iHidDevice)
   1.100 +		{
   1.101 +		//Fail to connect our device
   1.102 +		return 0;
   1.103 +		}
   1.104 +
   1.105 +	return 1;
   1.106 +	}
   1.107 +
   1.108 +/**
   1.109 +*/
   1.110 +void HidDevice::Close()
   1.111 +	{
   1.112 +	hid_close(iHidDevice);
   1.113 +	iHidDevice=NULL;
   1.114 +	}
   1.115 +
   1.116 +
   1.117 +/**
   1.118 +*/
   1.119 +const wchar_t* HidDevice::Error()
   1.120 +	{
   1.121 +	return hid_error(iHidDevice);
   1.122 +	}
   1.123 +
   1.124 +/**
   1.125 +*/
   1.126 +int HidDevice::SetNonBlocking(int aNonBlocking)
   1.127 +	{
   1.128 +	//Success we are now connected to our HID device 
   1.129 +	//Set read operation as non blocking
   1.130 +	return hid_set_nonblocking(iHidDevice, aNonBlocking);
   1.131 +	}
   1.132 +
   1.133 +
   1.134 +//
   1.135 +// class GP1212A01A
   1.136 +//
   1.137 +
   1.138 +int GP1212A01A::Open()
   1.139 +	{
   1.140 +	int success = HidDevice::Open(KFutabaVendorId,KFutabaProductIdGP1212A01A,NULL);
   1.141 +	if (success)
   1.142 +		{
   1.143 +		SetNonBlocking(1);
   1.144 +		}
   1.145 +	return success;
   1.146 +	}
   1.147 +
   1.148 +/**
   1.149 +*/
   1.150 +void GP1212A01A::SetPixel(int aX, int aY, bool aOn)
   1.151 +	{
   1.152 +	//Just specify a one pixel block
   1.153 +	SetPixelBlock(aX,aY,0x00,0x01,aOn);
   1.154 +	}
   1.155 +
   1.156 +/**
   1.157 +*/
   1.158 +void GP1212A01A::SetAllPixels(bool aOn)
   1.159 +	{
   1.160 +	//One pixel at a time
   1.161 +	/*
   1.162 +	for (int i=0;i<256;i++)
   1.163 +		{
   1.164 +		for (int j=0;j<64;j++)
   1.165 +			{
   1.166 +			SetPixel(i,j,0x01);
   1.167 +			}
   1.168 +		}
   1.169 +	*/
   1.170 +
   1.171 +	//16x16=256 pixels at a time goes much faster
   1.172 +	//TODO: use even larger blocks
   1.173 +	for (int i=0;i<256;i+=16)
   1.174 +		{
   1.175 +		for (int j=0;j<64;j+=16)
   1.176 +			{
   1.177 +			SetPixelBlock(i,j,15,32,(aOn?0xFF:0x00));
   1.178 +			//FXThread::sleep(1000000000);
   1.179 +			}
   1.180 +		}
   1.181 +
   1.182 +	}
   1.183 +
   1.184 +/**
   1.185 +*/
   1.186 +void GP1212A01A::SetBrightness(int aBrightness)
   1.187 +	{
   1.188 +	}
   1.189 +
   1.190 +/**
   1.191 +Set the defined pixel block to the given value.
   1.192 +@param X coordinate of our pixel block starting point.
   1.193 +@param Y coordinate of our pixel block starting point.
   1.194 +@param The height of our pixel block.
   1.195 +@param The size of our pixel data. Number of pixels divided by 8.
   1.196 +@param The value set to 8 pixels.
   1.197 +*/
   1.198 +void GP1212A01A::SetPixelBlock(int aX, int aY, int aHeight, int aSize, unsigned char aValue)
   1.199 +	{
   1.200 +	//Size must be 63 or below
   1.201 +	FutabaVfdReport report;
   1.202 +	report[0]=0x00; //Report ID
   1.203 +	report[1]=0x08+aSize; //Report length
   1.204 +	report[2]=0x1B; //
   1.205 +	report[3]=0x5B; //
   1.206 +	report[4]=0xF0; //
   1.207 +	report[5]=aX; //X
   1.208 +	report[6]=aY; //Y
   1.209 +	report[7]=aHeight; //Y length before return. Though outside the specs, setting this to zero apparently allows us to modify a single pixel without touching any other.
   1.210 +	report[8]=0x00; //Size of pixel data in bytes (MSB)
   1.211 +	report[9]=aSize; //Size of pixel data in bytes (LSB)
   1.212 +	memset(report.Buffer()+10, aValue, aSize);
   1.213 +	//iOutputReportBuffer[10]=aValue; //Pixel data
   1.214 +	Write(report);
   1.215 +	}
   1.216 +
   1.217 +
   1.218 +/**
   1.219 +*/
   1.220 +void GP1212A01A::Clear()
   1.221 +	{
   1.222 +	FutabaVfdReport report;
   1.223 +	report[0]=0x00; //Report ID
   1.224 +	report[1]=0x04; //Report length
   1.225 +	report[2]=0x1B; //
   1.226 +	report[3]=0x5B; //
   1.227 +	report[4]=0x32; //
   1.228 +	report[5]=0x4A; //
   1.229 +	Write(report);
   1.230 +	}
   1.231 \ No newline at end of file