iluz/Arduino/libraries/Adafruit_BusIO/examples/spi_registers/spi_registers.ino
2025-06-20 14:47:05 +02:00

41 lines
991 B
C++

#include <Adafruit_BusIO_Register.h>
#include <Adafruit_SPIDevice.h>
#define SPIDEVICE_CS 10
Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS);
void setup() {
while (!Serial) {
delay(10);
}
Serial.begin(115200);
Serial.println("SPI device register test");
if (!spi_dev.begin()) {
Serial.println("Could not initialize SPI device");
while (1)
;
}
Adafruit_BusIO_Register id_reg =
Adafruit_BusIO_Register(&spi_dev, 0x0F, ADDRBIT8_HIGH_TOREAD);
uint8_t id = 0;
id_reg.read(&id);
Serial.print("ID register = 0x");
Serial.println(id, HEX);
Adafruit_BusIO_Register thresh_reg = Adafruit_BusIO_Register(
&spi_dev, 0x0C, ADDRBIT8_HIGH_TOREAD, 2, LSBFIRST);
uint16_t thresh = 0;
thresh_reg.read(&thresh);
Serial.print("Initial threshold register = 0x");
Serial.println(thresh, HEX);
thresh_reg.write(~thresh);
Serial.print("Post threshold register = 0x");
Serial.println(thresh_reg.read(), HEX);
}
void loop() {}