| 1 | #include <Adafruit_SPIDevice.h> |
| 2 | |
| 3 | #define SPIDEVICE_CS 10 |
| 4 | Adafruit_SPIDevice spi_dev = |
| 5 | Adafruit_SPIDevice(SPIDEVICE_CS, 100000, SPI_BITORDER_MSBFIRST, SPI_MODE1); |
| 6 | // Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS, 13, 12, 11, |
| 7 | // 100000, SPI_BITORDER_MSBFIRST, SPI_MODE1); |
| 8 | |
| 9 | void setup() { |
| 10 | while (!Serial) { |
| 11 | delay(10); |
| 12 | } |
| 13 | Serial.begin(115200); |
| 14 | Serial.println("SPI device mode test"); |
| 15 | |
| 16 | if (!spi_dev.begin()) { |
| 17 | Serial.println("Could not initialize SPI device"); |
| 18 | while (1) |
| 19 | ; |
| 20 | } |
| 21 | } |
| 22 | |
| 23 | void loop() { |
| 24 | Serial.println("\n\nTransfer test"); |
| 25 | for (uint16_t x = 0; x <= 0xFF; x++) { |
| 26 | uint8_t i = x; |
| 27 | Serial.print("0x"); |
| 28 | Serial.print(i, HEX); |
| 29 | spi_dev.read(&i, 1, i); |
| 30 | Serial.print("/"); |
| 31 | Serial.print(i, HEX); |
| 32 | Serial.print(", "); |
| 33 | delay(25); |
| 34 | } |
| 35 | } |