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float pitch, roll;
float gx, gy, gz;
int16_t mx, my, mz;
uint16_t xc, yc;
uint8_t isTouch;
float ax, ay, az;
int16_t xc_old, yc_old;
/* Decode 12-bit signed value (assuming two's complement) */
#define TWELVE_BIT_SIGNED(x) (((x) & 0x800)?(-(((~(x)) & 0xFFF) + 1)):(x))
#define Model_ZCM1 1
//#define Model_ZCM2 0
void printAngles(){
//test function calls
float gx, gy, gz;
getAccel(ax, ay, az);
Serial.printf("Accel-g's: %f, %f, %f\n", ax, ay, az);
getGyro(gx, gy, gz);
Serial.printf("Gyro-deg/sec: %f, %f, %f\n", gx, gy, gz);
getAngles(pitch, roll);
Serial.printf("Pitch/Roll: %f, %f\n", pitch, roll);
getCoords(xc, yc, isTouch);
}
void getCoords(uint16_t &xc, uint16_t &yc, uint8_t &isTouch){
//uint8_t finger = 0; //only getting finger 1
// Trackpad touch 1: id, active, x, y
xc = ((psAxis[37] & 0x0f) << 8) | psAxis[36];
yc = psAxis[38] << 4 | ((psAxis[37] & 0xf0) >> 4),
isTouch = psAxis[35] >> 7;
if(xc != xc_old || yc != yc_old){
Serial.printf("Touch: %d, %d, %d, %d\n", psAxis[33], isTouch, xc, yc);
xc_old = xc;
yc_old = yc;
}
}
void getAccel( float &ax, float &ay, float &az){
int accelx = (int16_t)(psAxis[20]<<8) | psAxis[19];
int accelz = (int16_t)(psAxis[22]<<8) | psAxis[21];
int accely = (int16_t)(psAxis[24]<<8) | psAxis[23];
ax = (float) accelx/8192;
ay = (float) accely/8192;
az = (float) accelz/8192;
}
void getAngles(float &p, float &r){
getAccel( ax, ay, az);
p = (atan2f(ay, az) + PI) * RAD_TO_DEG;
r = (atan2f(ax, az) + PI) * RAD_TO_DEG;
}
void getGyro(float &gx, float &gy, float &gz){
int gyroy = (int16_t)(psAxis[14]<<8) | psAxis[13];
int gyroz = (int16_t)(psAxis[16]<<8) | psAxis[15];
int gyrox = (int16_t)(psAxis[18]<<8) | psAxis[17];
gx = (float) gyrox * RAD_TO_DEG/1024;
gy = (float) gyroy * RAD_TO_DEG/1024;
gz = (float) gyroz * RAD_TO_DEG/1024;
}
void printPS3MotionAngles(){
//test function calls
float gx, gy, gz;
getPS3MotionAccel(ax, ay, az);
Serial.printf("Accel-g's: %f, %f, %f\n", ax, ay, az);
getPS3MotionGyro(gx, gy, gz);
Serial.printf("Gyro-deg/sec: %f, %f, %f\n", gx, gy, gz);
getPS3MotionMag(mx, my, mz);
Serial.printf("Mag: %d, %d, %d\n", mx, my, mz);
getPS3MotionAngles(pitch, roll);
Serial.printf("Pitch/Roll: %f, %f\n", pitch, roll);
}
void getPS3MotionAccel( float &ax, float &ay, float &az){
int accelx = (psAxis[15]<<8 | psAxis[14]);
int accely = (psAxis[17]<<8 | psAxis[16]);
int accelz = (psAxis[19]<<8 | psAxis[18]);
#if defined(Model_ZCM1)
accelx = accelx-0x8000;
accely = accely-0x8000;
accelz = accelz-0x8000;
#elif defined(Model_ZCM2)
accelx = (accelx & 0x8000) ? (-(~accelx & 0xFFFF) + 1) : accelx;
accely = (accely & 0x8000) ? (-(~accely & 0xFFFF) + 1) : accely;
accelz = (accelz & 0x8000) ? (-(~accelz & 0xFFFF) + 1) : accelz;
#endif
ax = (float) accelx/4096;
ay = (float) accely/4096;
az = (float) accelz/4096;
}
void getPS3MotionAngles(float &p, float &r){
getAccel( ax, ay, az);
p = (atan2f(ay, az) + PI) * RAD_TO_DEG;
r = (atan2f(ax, az) + PI) * RAD_TO_DEG;
}
void getPS3MotionGyro(float &gx, float &gy, float &gz){
int gyrox = (psAxis[21]<<8 | psAxis[20]);
int gyroy = (psAxis[23]<<8 | psAxis[22]);
int gyroz = (psAxis[25]<<8 | psAxis[24]);
#if defined(Model_ZCM1)
gyrox = gyrox-0x8000;
gyroy = gyroy-0x8000;
gyroz = gyroz-0x8000;
#elif defined(Model_ZCM2)
gyrox = (gyrox & 0x8000) ? (-(~gyrox & 0xFFFF) + 1) : gyrox;
gyroy = (gyroy & 0x8000) ? (-(~gyroy & 0xFFFF) + 1) : gyroy;
gyroz = (gyroz & 0x8000) ? (-(~gyroz & 0xFFFF) + 1) : gyroz;
#endif
gx = (float) gyrox * RAD_TO_DEG/1024;
gy = (float) gyroy * RAD_TO_DEG/1024;
gz = (float) gyroz * RAD_TO_DEG/1024;
}
void getPS3MotionMag(int16_t &mx, int16_t &my, int16_t &mz){
#if defined(Model_ZCM1)
mx = TWELVE_BIT_SIGNED(((psAxis[33] & 0x0F) << 8) |
psAxis[34]);
my = TWELVE_BIT_SIGNED((psAxis[35] << 4) |
(psAxis[36] & 0xF0) >> 4);
mz = TWELVE_BIT_SIGNED(((psAxis[36] & 0x0F) << 8) |
psAxis[37]);
#elif defined(Model_ZCM2)
// NOTE: This model does not have magnetometers
Serial.println("Not avail for ZCM2!");
#endif
}