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Combine channel-based SPI headers

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This commit is contained in:
Scott Lahteine
2019-09-04 23:23:31 -05:00
parent 70b3f4ded5
commit 8d036e94bf
9 changed files with 31 additions and 90 deletions
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39
Marlin/src/HAL/shared/HAL_SPI.h
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@ -22,10 +22,11 @@
#pragma once
/**
* HAL/HAL_SPI.h
* HAL/shared/HAL_SPI.h
* Core Marlin definitions for SPI, implemented in the HALs
*/
#include "Marduino.h"
#include <stdint.h>
/**
@ -53,18 +54,40 @@
#define SPI_SPEED_5 5 // Set SCK rate to 1/32 of max rate
#define SPI_SPEED_6 6 // Set SCK rate to 1/64 of max rate
//
// Standard SPI functions
/** Initialize SPI bus */
//
// Initialize SPI bus
void spiBegin(void);
/** Configure SPI for specified SPI speed */
// Configure SPI for specified SPI speed
void spiInit(uint8_t spiRate);
/** Write single byte to SPI */
// Write single byte to SPI
void spiSend(uint8_t b);
/** Read single byte from SPI */
// Read single byte from SPI
uint8_t spiRec(void);
/** Read from SPI into buffer */
// Read from SPI into buffer
void spiRead(uint8_t* buf, uint16_t nbyte);
/** Write token and then write from 512 byte buffer to SPI (for SD card) */
// Write token and then write from 512 byte buffer to SPI (for SD card)
void spiSendBlock(uint8_t token, const uint8_t* buf);
/** Begin SPI transaction, set clock, bit order, data mode */
// Begin SPI transaction, set clock, bit order, data mode
void spiBeginTransaction(uint32_t spiClock, uint8_t bitOrder, uint8_t dataMode);
//
// Extended SPI functions taking a channel number (Hardware SPI only)
//
// Write single byte to specified SPI channel
void spiSend(uint32_t chan, byte b);
// Write buffer to specified SPI channel
void spiSend(uint32_t chan, const uint8_t* buf, size_t n);
// Read single byte from specified SPI channel
uint8_t spiRec(uint32_t chan);