arduinoprojects

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i2corspi_register.ino (1024B)

      1 #include <Adafruit_BusIO_Register.h>
      2 
      3 // Define which interface to use by setting the unused interface to NULL!
      4 
      5 #define SPIDEVICE_CS 10
      6 Adafruit_SPIDevice *spi_dev = NULL; // new Adafruit_SPIDevice(SPIDEVICE_CS);
      7 
      8 #define I2C_ADDRESS 0x5D
      9 Adafruit_I2CDevice *i2c_dev = new Adafruit_I2CDevice(I2C_ADDRESS);
     10 
     11 void setup() {
     12   while (!Serial) { delay(10); }
     13   Serial.begin(115200);
     14   Serial.println("I2C or SPI device register test");
     15 
     16   if (spi_dev && !spi_dev->begin()) {
     17     Serial.println("Could not initialize SPI device");
     18   }
     19 
     20   if (i2c_dev) {
     21     if (i2c_dev->begin()) {
     22       Serial.print("Device found on I2C address 0x");
     23       Serial.println(i2c_dev->address(), HEX);
     24     } else {
     25       Serial.print("Did not find I2C device at 0x");
     26       Serial.println(i2c_dev->address(), HEX);
     27     }
     28   }
     29 
     30   Adafruit_BusIO_Register id_reg = Adafruit_BusIO_Register(i2c_dev, spi_dev, ADDRBIT8_HIGH_TOREAD, 0x0F);
     31   uint8_t id;
     32   id_reg.read(&id);
     33   Serial.print("ID register = 0x"); Serial.println(id, HEX);
     34 }
     35 
     36 void loop() {
     37   
     38 }