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Merge pull request #8650 from Bob-the-Kuhn/2.0.x-comment

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[2.0.x] LPC1768 - add explanations in spi_pins.h
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Bob-the-Kuhn 2017-12-03 20:56:04 -06:00 committed by GitHub
commit cff886ba12
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1 changed files with 6 additions and 6 deletions
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12
Marlin/src/HAL/HAL_LPC1768/spi_pins.h
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@ -27,7 +27,8 @@
#if MB(MKS_SBASE)
#define LPC_SOFTWARE_SPI
#define LPC_SOFTWARE_SPI // MKS_SBASE needs a software SPI because the
// selected pins are not on a hardware SPI controller
// A custom cable is needed. See the README file in the
// Marlin\src\config\examples\Mks\Sbase directory
@ -39,7 +40,10 @@
#else
#define LPC_SOFTWARE_SPI
#define LPC_SOFTWARE_SPI // Re-ARM board needs a software SPI because using the
// standard LCD adapter results in the LCD and the
// SD card sharing a single SPI when the RepRap Full
// Graphic Smart Controller is selected
/** onboard SD card */
//#define SCK_PIN P0_07
@ -63,9 +67,5 @@
#define SDSS SS_PIN
#endif
#if defined(TARGET_LPC1768) && !defined(LPC_SOFTWARE_SPI) // signal LCDs that they need to use the hardware SPI
#define SHARED_SPI
#endif
#endif // MKS_SBASE
#endif /* SPI_PINS_LPC1768_H */