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Tweaky LPC1768 SPI spacing/style

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This commit is contained in:
Scott Lahteine
2018-02-03 20:25:57 -06:00
parent dbd2189945
commit 33ec599ca0
3 changed files with 31 additions and 57 deletions
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36
Marlin/src/HAL/HAL_LPC1768/SoftwareSPI.h
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@@ -23,28 +23,28 @@
#ifndef _SOFTWARE_SPI_H_
#define _SOFTWARE_SPI_H_
#include "pinmapping.h"
#include "pinmapping.h"
// --------------------------------------------------------------------------
// software SPI
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Software SPI
// --------------------------------------------------------------------------
/**
* This software SPI runs at multiple rates. The SD software provides an index
* (spiRate) of 0-6. The mapping is:
* 0 - about 5 MHz peak (6 MHz on LPC1769)
* 1-2 - about 2 MHz peak
* 3 - about 1 MHz peak
* 4 - about 500 kHz peak
* 5 - about 250 kHz peak
* 6 - about 125 kHz peak
*/
/**
* This software SPI runs at multiple rates. The SD software provides an index
* (spiRate) of 0-6. The mapping is:
* 0 - about 5 MHz peak (6 MHz on LPC1769)
* 1-2 - about 2 MHz peak
* 3 - about 1 MHz peak
* 4 - about 500 kHz peak
* 5 - about 250 kHz peak
* 6 - about 125 kHz peak
*/
void swSpiBegin(pin_t sck_pin, pin_t miso_pin, pin_t mosi_pin);
void swSpiBegin(const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin);
// Returns the spi_speed value to be passed to swSpiTransfer
uint8_t swSpiInit(uint8_t spiRate, pin_t sck_pin, pin_t mosi_pin);
// Returns the spi_speed value to be passed to swSpiTransfer
uint8_t swSpiInit(const uint8_t spiRate, const pin_t sck_pin, const pin_t mosi_pin);
uint8_t swSpiTransfer(uint8_t b, uint8_t spi_speed, pin_t sck_pin, pin_t miso_pin, pin_t mosi_pin);
uint8_t swSpiTransfer(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin);
#endif // _SOFTWARE_SPI_H_