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Diff: WiiChuck.cpp
- Revision:
- 4:9169c602b0d8
- Parent:
- 3:13e1d0a345a6
diff -r 13e1d0a345a6 -r 9169c602b0d8 WiiChuck.cpp --- a/WiiChuck.cpp Wed Feb 02 19:44:59 2011 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,140 +0,0 @@ -#include "WiiChuck.h" - - - -WiiChuck::WiiChuck(PinName data, PinName clk):_i2c(data, clk) { - Error = true; - unsigned char cmd[] = {NUNCHUCK_REGADDR, 0x00}; - if (_i2c.write(NUNCHUCK_ADDR, (const char*)cmd, sizeof(cmd)) == I2C_ACK) { - Error = false; - } - _oldC = 0; - _oldZ = 0; -} - -bool WiiChuck::Read(int* joyX,int* joyY,int* accX,int* accY,int* accZ,int* buttonC,int* buttonZ) { - - int i; - char readBuf[NUNCHUCK_READLEN]; - - if (Error) { - return false; - } - - const unsigned char cmd[] = {0x00}; - if (_i2c.write(NUNCHUCK_ADDR, (const char*)cmd, sizeof(cmd)) == I2C_ACK) { - wait(I2C_READ_DELAY); - if (_i2c.read(NUNCHUCK_ADDR, readBuf, sizeof(readBuf)) == I2C_ACK) { - //init values - *joyX = 0; *joyY = 0; *accX = 0; *accY = 0; *accZ = 0; *buttonC = 0; *buttonZ = 0; - - for (i = 0; i < NUNCHUCK_READLEN; ++i) { - readBuf[i] = (readBuf[i] ^ 0x17) + 0x17; - } - *joyX = readBuf[Joy_X]; - *joyY = readBuf[Joy_Y]; - *accX = readBuf[Acc_X] << 2; - *accY = readBuf[Acc_Y] << 2; - *accZ = readBuf[Acc_Z] << 2; - - if (readBuf[Button] & 0x01) { - *buttonZ = 0; - } else { - *buttonZ = 1; - } - if (readBuf[Button] & 0x02) { - *buttonC = 0; - } else { - *buttonC = 1; - } - if (readBuf[Button] & 0x04) accX += 2; - if (readBuf[Button] & 0x08) accX += 1; - if (readBuf[Button] & 0x10) accY += 2; - if (readBuf[Button] & 0x20) accY += 1; - if (readBuf[Button] & 0x40) accZ += 2; - if (readBuf[Button] & 0x80) accZ += 1; - return true; - } - else - { - return false; - } - } else { - return false; - } -} - -void WiiChuck::start() -{ - _getValues.attach(this, &WiiChuck::getValues,0.2); -} -void WiiChuck::stop() -{ - _getValues.detach(); -} - -void WiiChuck::getValues() -{ - int joyX = 0;int joyY = 0; - int accX = 0;int accY = 0;int accZ = 0; - int buttonC = 0;int buttonZ = 0; - - bool read = Read(&joyX,&joyY,&accX,&accY,&accZ,&buttonC,&buttonZ); - - if(read) - { - //analyse - if(_oldC == 0 && buttonC == 1) - { - _oldC = 1; - _callback_input(BUTTON_CANCEL_VALUE); - return; - } - else - { - _oldC = buttonC; - } - - //analyse - if(_oldZ == 0 && buttonZ == 1) - { - _oldZ = 1; - _callback_input(BUTTON_OK_VALUE); - return; - } - else - { - _oldZ = buttonZ; - } - - if(joyY>160) - { - _callback_input(BUTTON_VOLUME_PLUS); - return; - } - if(joyY<80) - { - - _callback_input(BUTTON_VOLUME_MINUS); - return; - } - if(joyX>160) - { - _callback_input(BUTTON_NEXT_VALUE); - return; - } - if(joyX<80) - { - - _callback_input(BUTTON_PREV_VALUE); - return; - } - - } -} -void WiiChuck::attach(pt2Func function) -{ - _callback_input = function; -} - -