![]() ![]() When I write, Serial.Println("End"), in the line after Wire.endTransmission() in function nunchuck_init(), it does not display on Serial Monitor.Īlso, it does not display Nunchuck ready on Serial Monitor since it is written after nunchuck_init() has been called.Converting an I2C wire library based Arduino code to STM HAL API based code involves a few steps. Return nunchuck_buf // FIXME: this leaves out 2-bits of the data Return ((nunchuck_buf > 1) & 1) ? 0 : 1 // voodoo ![]() Return ((nunchuck_buf > 0) & 1) ? 0 : 1 // voodoo returns zbutton state: 1=pressed, 0=notpressed only needed if you use one of the regular wiimote drivers ![]() Encode data to format that most wiimote drivers except so we have to check each bit of byte outbuf it also contains the least significant bits for the accelerometer data byte nunchuck_buf contains bits for z and c buttons Int accel_z_axis = nunchuck_buf // * 2 * 2 Int accel_y_axis = nunchuck_buf // * 2 * 2 Int accel_x_axis = nunchuck_buf // * 2 * 2 so we read 8 bits, then we have to add If we recieved the 6 bytes, then go print them Nunchuck_send_request() // send request for next data payload Nunchuck_buf = nunchuk_decode_byte(Wire.receive()) Wire.requestFrom (0x52, 6) // request data from nunchuck Send a request for data to the nunchuck Wire.endTransmission() // stop transmitting Wire.beginTransmission(0x52) // transmit to device 0x52 and tell the nunchuck we're talking to it initialize the I2C system, join the I2C bus, Uses port C (analog in) pins as power & ground for Nunchuckĭelay(100) // wait for things to stabilize Static uint8_t nunchuck_buf // array to store nunchuck data, I am working on a project, syncing Nintendo Nunchuk with Arduino. ![]()
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