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ESP32_Temperture-Node/.pio/libdeps/esp32doit-devkit-v1/Adafruit BusIO/examples/spi_modetest/spi_modetest.ino

@@ -0,0 +1,35 @@
+#include <Adafruit_SPIDevice.h>
+
+#define SPIDEVICE_CS 10
+Adafruit_SPIDevice spi_dev =
+    Adafruit_SPIDevice(SPIDEVICE_CS, 100000, SPI_BITORDER_MSBFIRST, SPI_MODE1);
+// Adafruit_SPIDevice spi_dev = Adafruit_SPIDevice(SPIDEVICE_CS, 13, 12, 11,
+// 100000, SPI_BITORDER_MSBFIRST, SPI_MODE1);
+
+void setup() {
+  while (!Serial) {
+    delay(10);
+  }
+  Serial.begin(115200);
+  Serial.println("SPI device mode test");
+
+  if (!spi_dev.begin()) {
+    Serial.println("Could not initialize SPI device");
+    while (1)
+      ;
+  }
+}
+
+void loop() {
+  Serial.println("\n\nTransfer test");
+  for (uint16_t x = 0; x <= 0xFF; x++) {
+    uint8_t i = x;
+    Serial.print("0x");
+    Serial.print(i, HEX);
+    spi_dev.read(&i, 1, i);
+    Serial.print("/");
+    Serial.print(i, HEX);
+    Serial.print(", ");
+    delay(25);
+  }
+}