Compilation error with example 1 on Redboard Artemis

[DesktopMan]

Trying to compile Example1_Basic_Readings.ino:

Arduino\libraries\SparkFun_ADXL313_Arduino_Library\src\SparkFunADXL313.cpp: In member function 'boolean ADXL313::beginSPI(uint8_t, arduino::SPIClass&)':
Arduino\libraries\SparkFun_ADXL313_Arduino_Library\src\SparkFunADXL313.cpp:78:21: error: no matching function for call to 'arduino::HardwareSPI::begin(int&)'
  _spiPort->begin(_CS);
                     ^
In file included from Arduino15\packages\SparkFun\hardware\apollo3\2.2.1\libraries\SPI\src/SPI.h:10,
                 from Arduino\libraries\SparkFun_ADXL313_Arduino_Library\src\SparkFunADXL313.h:46,
                 from Arduino\libraries\SparkFun_ADXL313_Arduino_Library\src\SparkFunADXL313.cpp:34:
Arduino15\packages\SparkFun\hardware\apollo3\2.2.1/cores/arduino/mbed-bridge/core-api/api/HardwareSPI.h:123:18: note: candidate: 'virtual void arduino::HardwareSPI::begin()'
     virtual void begin() = 0;
                  ^~~~~
Arduino15\packages\SparkFun\hardware\apollo3\2.2.1/cores/arduino/mbed-bridge/core-api/api/HardwareSPI.h:123:18: note:   candidate expects 0 arguments, 1 provided
Arduino\libraries\SparkFun_ADXL313_Arduino_Library\src\SparkFunADXL313.cpp:79:12: error: 'arduino::SPIClass' {aka 'class arduino::HardwareSPI'} has no member named 'setDataMode'
  _spiPort->setDataMode(SPI_MODE3);
            ^~~~~~~~~~~

exit status 1

Compilation error: exit status 1

[lewispg228]

Hi @DesktopMan ,
Thanks for your message here. I was just working on this exact problem (similar Artemis-based hardware) yesterday and found a solution.

The CS pin control is handled within the ADXL313 library, so we don't really need to pass it to the SPI.begin() function. If we omit this argument, then the compile error goes away.

The setDataMode() function seems to have become depreciated, so the best way to make it SPI_MODE3 is to pass an SPISettings object inside the SPI function.

You need to make two small adjustments to the header file here:

https://github.com/sparkfun/SparkFun_ADXL313_Arduino_Library/blob/master/src/SparkFunADXL313.cpp#L78

https://github.com/sparkfun/SparkFun_ADXL313_Arduino_Library/blob/master/src/SparkFunADXL313.cpp#L79

Hope this helps and let us know how it goes,
Pete

PS. we will be working on a more permanent fix for this with a new release asap.

[lewispg228]

Here's the code adjustment too, for easier copy/paste.

//_spiPort->begin(_CS); // throws a compile error, no such function
_spiPort->begin();
//_spiPort->setDataMode(SPI_MODE3); // old way of doing SPI settings, now you must pass in an SPISettings object
_spiPort->beginTransaction(SPISettings(2000000, MSBFIRST, SPI_MODE3));

[lewispg228]

This has been fixed. Please see this commit for details, and use the latest release (v1.0.3).