int init_spi(void)
{
DEBUGPRINT_F("\tCC3000: init_spi\n\r");
/* Set POWER_EN pin to output and disable the CC3000 by default */
pinMode(g_vbatPin, OUTPUT);
digitalWrite(g_vbatPin, 0);
delay(500);
/* Set CS pin to output (don't de-assert yet) */
pinMode(g_csPin, OUTPUT);
//pinMode(g_csPin - 1, OUTPUT);
/* Set interrupt/gpio pin to input */
//#if defined(INPUT_PULLUP)
// pinMode(g_irqPin, INPUT_PULLUP);/
//#else
pinMode(g_irqPin, INPUT);
// digitalWrite(g_irqPin, HIGH); // w/weak pullup
//#endif
SpiConfigStoreOld(); // prime ccspi_old* values for DEASSERT
/* Initialise SPI (Mode 1) */
theCcspi->setDataMode(SPI_MODE1);
theCcspi->setBitOrder(true);
//theCcspi->setClockDivider(g_SPIspeed);
DEBUGPRINT_F("\tCC3000: init_spi1\n\r");
theCcspi->begin();
DEBUGPRINT_F("\tCC3000: init_spi2\n\r");
SpiConfigStoreMy(); // prime ccspi_my* values for ASSERT
// Newly-initialized SPI is in the same state that ASSERT_CS will set it
// to. Invoke DEASSERT (which also restores SPI registers) so the next
// ASSERT call won't clobber the ccspi_old* values -- we need those!
CC3000_DEASSERT_CS;
/* ToDo: Configure IRQ interrupt! */
DEBUGPRINT_F("\tCC3000: Finished init_spi\n\r");
return(ESUCCESS);
}
int init_spi(void)
{
DEBUGPRINT_F("\tCC3000: init_spi\n\r");
/* Set POWER_EN pin to output and disable the CC3000 by default */
pinMode(g_vbatPin, OUTPUT);
digitalWrite(g_vbatPin, 0);
delay(500);
/* Set CS pin to output (don't de-assert yet) */
pinMode(g_csPin, OUTPUT);
/* Set interrupt/gpio pin to input */
#if defined(INPUT_PULLUP)
pinMode(g_irqPin, INPUT_PULLUP);
#else
pinMode(g_irqPin, INPUT);
digitalWrite(g_irqPin, HIGH); // w/weak pullup
#endif
SpiConfigStoreOld(); // prime ccspi_old* values for DEASSERT
/* Initialise SPI (Mode 1) */
SPI.begin();
SPI.setDataMode(SPI_MODE1);
SPI.setBitOrder(MSBFIRST);
SPI.setClockDivider(g_SPIspeed);
SpiConfigStoreMy(); // prime ccspi_my* values for ASSERT
// Newly-initialized SPI is in the same state that ASSERT_CS will set it
// to. Invoke DEASSERT (which also restores SPI registers) so the next
// ASSERT call won't clobber the ccspi_old* values -- we need those!
#ifdef SPI_HAS_TRANSACTION
SPI.usingInterrupt(g_IRQnum);
digitalWrite(g_csPin, HIGH); // same as CC3000_DEASSERT_CS, but not
SpiConfigPop(); // SPI.endTransaction, because none began
#else
CC3000_DEASSERT_CS;
#endif
/* ToDo: Configure IRQ interrupt! */
DEBUGPRINT_F("\tCC3000: Finished init_spi\n\r");
return(ESUCCESS);
}
