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sp3000's Issues

Doesn't Compile in Arduino 1.5.8

Below is the (verbose) compiler output in Arduino 1.5.8 when compiling pretty much any of the example sketches. It seems to compile fine in Arduino 1.0.6. I changed "arduino.h" to "Arduino.h" and that gets one line farther and complains about not being able to find "wiring.h." But I couldn't find such a file anywhere in the arduino installation folder under 1.0.6, and only found it in the sam (not avr) core for Arduino 1.5.8.

Build options changed, rebuilding all
Using library SP3000 in folder: /home/vic/sketchbook/libraries/SP3000 (legacy)
Using library SPI in folder: /home/vic/arduino-1.5.8/hardware/arduino/avr/libraries/SPI 

/home/vic/arduino-1.5.8/hardware/tools/avr/bin/avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=158 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -I/home/vic/arduino-1.5.8/hardware/arduino/avr/cores/arduino -I/home/vic/arduino-1.5.8/hardware/arduino/avr/variants/standard -I/home/vic/sketchbook/libraries/SP3000 -I/home/vic/arduino-1.5.8/hardware/arduino/avr/libraries/SPI /tmp/build7010946793466951514.tmp/SP3000_Web_Server.cpp -o /tmp/build7010946793466951514.tmp/SP3000_Web_Server.cpp.o 
In file included from /home/vic/sketchbook/libraries/SP3000/core.hpp:26:0,
                 from /home/vic/sketchbook/libraries/SP3000/sp3000.h:12,
                 from SP3000_Web_Server.ino:10:
/home/vic/sketchbook/libraries/SP3000/digitalWriteFast.hpp:1:21: fatal error: arduino.h: No such file or directory
 #include <arduino.h>
                     ^
compilation terminated.
Error compiling.

Should use new SPI Transaction API

Code should be updated to check for SPI_HAS_TRANSACTION define and in that case use the new SPI Transaction API

Here is the relevant code from the Adafruit_CC3000_Library.

#if defined(SPI2X) && defined(__AVR__) // most likely AVR8
uint8_t ccspi_mySPCR, ccspi_mySPSR, ccspi_oldSPSR, ccspi_oldSPCR;
#define SpiConfigStoreOld() {             \
  ccspi_oldSPCR = SPCR;                   \
  ccspi_oldSPSR = SPSR & _BV(SPI2X); }
#define SpiConfigStoreMy() {              \
  ccspi_mySPCR  = SPCR;                   \
  ccspi_mySPSR  = SPSR & _BV(SPI2X); }
#define SpiConfigPush() {                 \
  ccspi_oldSPCR = SPCR;                   \
  ccspi_oldSPSR = SPSR & _BV(SPI2X);      \
  SPCR          = ccspi_mySPCR;           \
  if(ccspi_mySPSR)  SPSR |=  _BV(SPI2X);  \
  else              SPSR &= ~_BV(SPI2X); }
#define SpiConfigPop() {                  \
  SPCR = ccspi_oldSPCR;                   \
  if(ccspi_oldSPSR) SPSR |=  _BV(SPI2X);  \
  else              SPSR &= ~_BV(SPI2X); }

#elif defined(__AVR_XMEGA__) // most likely XMEGA
uint8_t ccspi_mySPICTRL, ccspi_oldSPICTRL;
#define SpiConfigStoreOld()     do { ccspi_oldSPICTRL = SPCR; } while (0)
#define SpiConfigStoreMy()      do { ccspi_mySPICTRL = SPCR; } while (0)
#define SpiConfigPush()         do { ccspi_oldSPICTRL = SPCR; SPCR = ccspi_mySPICTRL; } while (0)
#define SpiConfigPop()          do { SPCR = ccspi_oldSPICTRL; } while (0)
#else
// TODO: ARM (Due, Teensy 3.0, etc)
// #error platform not yet supported by Adafruit_CC3000
#define SpiConfigStoreOld()     do {  } while (0)
#define SpiConfigStoreMy()      do {  } while (0)
#define SpiConfigPush()         do {  } while (0)
#define SpiConfigPop()          do {  } while (0)
#endif

#ifdef SPI_HAS_TRANSACTION
// CC3000 SPI config + begin SPI usage + chip select
  #define CC3000_ASSERT_CS {     \
    SpiConfigPush();             \
    SPI.beginTransaction(SPISettings(16000000, MSBFIRST, SPI_MODE1)); \
    digitalWrite(g_csPin, LOW); }
  // CC3000 chip deselect + end SPI usage + SPI restore
  #define CC3000_DEASSERT_CS {   \
    digitalWrite(g_csPin, HIGH); \
    SPI.endTransaction();        \
    SpiConfigPop(); }
#else
// CC3000 chip select + SPI config
  #define CC3000_ASSERT_CS {     \
    digitalWrite(g_csPin, LOW);  \
    SpiConfigPush(); }
  // CC3000 chip deselect + SPI restore
  #define CC3000_DEASSERT_CS {   \
    digitalWrite(g_csPin, HIGH); \
    SpiConfigPop(); }
#endif

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