Wii Code

Modified Darwiin Remote code, on WiiRemote.m

- (void) handleIRData:(unsigned char *) dp length:(size_t) dataLength

{

// NSLog(@"Handling IR Data for 0x%00x", dp[1]);

int i = 0;

//int* test = malloc(sizeof int *);

char pressed = 0;

//int blah =0;

if (dp[1] == 0x33) { // 12 IR bytes

int startByte = 0;

for(i=0 ; i < 4 ; i++) {

startByte = 7 + 3 * i;

irData[i].x = (dp[startByte +0] | ((dp[startByte +2] & 0x30) << 4)) & 0x3FF;

irData[i].y = (dp[startByte +1] | ((dp[startByte +2] & 0xC0) << 2)) & 0x3FF;

irData[i].s = dp[startByte +2] & 0x0F;

}

} else { // 10 IR bytes

int shift = (dp[1] == 0x36) ? 4 : 7;

int startByte = 0;

int i;

for (i=0; i < 2; i++) {

startByte = shift + 5 * i;

irData[2*i].x = (dp[startByte +0] | ((dp[startByte +2] & 0x30) << 4)) & 0x3FF;

irData[2*i].y = (dp[startByte +1] | ((dp[startByte +2] & 0xC0) << 2)) & 0x3FF;

irData[2*i].s = ((irData[2*i].x == irData[2*i].y) && (irData[2*i].x == 0x3FF)) ? 0x0F : 0x05; // No size is given in 10 byte report.

irData[(2*i)+1].x = (dp[startByte +3] | ((dp[startByte +2] & 0x03) << 8)) & 0x3FF;

irData[(2*i)+1].y = (dp[startByte +4] | ((dp[startByte +2] & 0x0C) << 6)) & 0x3FF;

irData[(2*i)+1].s = ((irData[(2*i)+1].x == irData[(2*i)+1].y) && (irData[(2*i)+1].x == 0x3FF)) ? 0x0F : 0x05; // No size is given in 10 byte report.

}

}

[… more code we left intact …]

if ([_delegate respondsToSelector:@selector (irPointMovedX:Y:)])

[_delegate irPointMovedX:ox Y:oy];

if ([_delegate respondsToSelector:@selector (rawIRData:)])

[_delegate rawIRData:irData];

//Send data through serial if A button is pressed

if (buttonState[WiiRemoteAButton] == YES) {

if (j ==0) //open serial port at first data set

{

test = serialPort(irData[0].x, irData[0].y);

j++; //increment j, a flag to indicate that serial port is already opened

} else if (j==11) { //only send data at every 10 cycles,pervents serial port being too busy and crashes application

InitializeModem(test, irData[0].x, irData[0].y); //send irData

j =1; //reset to 1 to prevent serial port being opened multiple times

}

else j++;

}

//NSLog(@"test : %d\n", test);

} // handleIRData

Code modified in SerialPortSample.c, in addition to a lot of deleted code that we didn’t need

extern int InitializeModem(int fileDescriptor, int x, int y, char pressed)

{

ssize_t numBytes; // Number of bytes read or written

char buffer[10];

int xlen, ylen;

if (x > 999) xlen = 4;

else if (x > 99) xlen = 3;

else if (x > 9) xlen = 2;

else xlen = 1;

if (y > 99) ylen = 3;

else if (y > 9) ylen = 2;

else ylen = 1;

if (x == 1023 && y == 1023) {

x = 0;

y = 0;

xlen = 1;

ylen = 1;

}

sprintf(buffer, "%d %d\r", x, y);

numBytes = write(fileDescriptor, &buffer, xlen+ylen+2);

return 1;

}

// Given the file descriptor for a serial device, close that device.

void CloseSerialPort(int fileDescriptor)

{

close(fileDescriptor);

}

extern int serialPort(int x, int y)

{

int fileDescriptor;

kern_return_t kernResult; // on PowerPC this is an int (4 bytes)

/*

* error number layout as follows (see mach/error.h):

*

* hi lo

* | system(6) | subsystem(12) | code(14) |

*/

// io_iterator_t serialPortIterator;

char bsdPath[MAXPATHLEN] = "/dev/cu.usbserial-FTDVLEGA";

// Now open the modem port we found, initialize the modem, then close it

if (!bsdPath[0])

{

return EX_UNAVAILABLE;

}

fileDescriptor = OpenSerialPort(bsdPath);

if (-1 == fileDescriptor)

{

return EX_IOERR;

}

return fileDescriptor;

}