SparkFun Products Using The Artemis • Re: Explorable with two devices on same SPI

#include <SparkFun_Qwiic_OLED.h>  //http://librarymanager/All#SparkFun_Qwiic_Graphic_OLEDQwiicNarrowOLED myOLED;#include <Wire.h>      //Needed for I2C #define myWire Wire#define myWire1 Wire1  // Define which Wire port to use. Change this to Wire1 if you are using the Artemis Thing Plus or the expLoRaBLE#include <SPI.h>#define spiPort SPI//#include <SD.h>     //not compiling on Apollo3#include <SdFat.h>#include <SparkFun_Dual-Port_Logging_Shield.h>  //Click here to get the library: http://librarymanager/All#SparkFun_Dual-Port_LoggingsfeDualPortLoggingShield myShield;#include <SparkFun_u-blox_GNSS_v3.h>  //Click here to get the library: http://librarymanager/All#SparkFun_u-blox_GNSS_v3SFE_UBLOX_GNSS_SPI myGNSS;#include <RadioLib.h>#define CONFIG SERIAL_8N1  // a config value from HardwareSerial.h (defaults to SERIAL_8N1)#define CS_GPS 4#define CS_SD 24  //A5  // ** On the Artemis Thing Plus: A5 is D24#define sdWriteSize 2048      // Write data to the SD card in blocks of n*512 bytes#define fileBufferSize 65530  // Allocate just under 64KBytes of RAM for UBX message storageSdFat SD;File myFile;  //File that all GNSS data is written tovoid setup() {  Serial.begin(115200);  // set the baud rate with the begin() method  pinMode(CS_GPS, OUTPUT);  pinMode(CS_SD, OUTPUT);  digitalWrite(CS_GPS, HIGH);  // set the CS of SD Card SPI to high (to force it in case of a reset)  digitalWrite(CS_SD, HIGH);   //  // Initialize SPI  //SPI.begin();    spiPort.begin();  // Do a fake transaction to initialize the SPI pins  spiPort.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE0));  spiPort.transfer(0);  spiPort.endTransaction();  myWire.begin();   // Start I2C  myWire1.begin();  // Start I2C  // Initalize the OLED device and related graphics system  if (myOLED.begin() == false) {    Serial.println("OLED Device begin failed. Freezing...");    while (true)      ;  }//GPS Init  myGNSS.setFileBufferSize(fileBufferSize);  // setFileBufferSize must be called _before_ .begin  // Connect to the u-blox module using SPI port, csPin and speed setting  bool begun = false;  do {    begun = myGNSS.begin(spiPort, CS_GPS, 4000000);    if (!begun) {      Serial.println("u-blox GNSS not detected on SPI bus.");    }  } while (!begun);  // GPS Initialized  //more GPS settings command omitted..//SD Init  bool success = myShield.begin(0x51, myWire1);  // Use a custom I2C address and/or port  if (!success) {    Serial.println(F("An error has occurred! Could not communicate with the SD Shield!"));    //Serial.println(F("Please try powering the board off and on again..."));    while (1)      ;  // Do nothing more  }  // Wake the shield and put it into Thing Plus / Arduino (SPI) mode  Serial.println("Putting the SD shield into SPI (Thing Plus / Arduino) mode");  bool result = myShield.spiMode();  if (!result) {    //Serial.println("An error has occurred! Could not communicate with the Shield! Freezing...");    while (1)      ;  }  delay(1000);  // Let the shield start up - it takes a full second  //Serial.println("Initializing SD card...");  //if (!SD.begin(spiPort, CS_SD, 1000000)){  if (!SD.begin(CS_SD)) {    Serial.println("microSD card initialization failed! Freezing...");    while (1)      ;  }    // SD Initialized}