You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.9 KiB
98 lines
2.9 KiB
/* **************************************************************************
|
|
|
|
Marlin 3D Printer Firmware
|
|
Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
****************************************************************************/
|
|
|
|
/**
|
|
* Description: HAL wrapper
|
|
*
|
|
* Supports platforms :
|
|
* ARDUINO_ARCH_SAM : For Arduino Due and other boards based on Atmel SAM3X8E
|
|
* ARDUINO_ARCH_AVR : For all Atmel AVR boards
|
|
*/
|
|
|
|
#ifndef _HAL_H
|
|
#define _HAL_H
|
|
|
|
#include <stdint.h>
|
|
|
|
/**
|
|
* SPI speed where 0 <= index <= 6
|
|
*
|
|
* Approximate rates :
|
|
*
|
|
* 0 : 8 - 10 MHz
|
|
* 1 : 4 - 5 MHz
|
|
* 2 : 2 - 2.5 MHz
|
|
* 3 : 1 - 1.25 MHz
|
|
* 4 : 500 - 625 kHz
|
|
* 5 : 250 - 312 kHz
|
|
* 6 : 125 - 156 kHz
|
|
*
|
|
* On AVR, actual speed is F_CPU/2^(1 + index).
|
|
* On other platforms, speed should be in range given above where possible.
|
|
*/
|
|
|
|
/** Set SCK to max rate */
|
|
uint8_t const SPI_FULL_SPEED = 0;
|
|
/** Set SCK rate to half max rate. */
|
|
uint8_t const SPI_HALF_SPEED = 1;
|
|
/** Set SCK rate to quarter max rate. */
|
|
uint8_t const SPI_QUARTER_SPEED = 2;
|
|
/** Set SCK rate to 1/8 max rate. */
|
|
uint8_t const SPI_EIGHTH_SPEED = 3;
|
|
/** Set SCK rate to 1/16 of max rate. */
|
|
uint8_t const SPI_SIXTEENTH_SPEED = 4;
|
|
/** Set SCK rate to 1/32 of max rate. */
|
|
uint8_t const SPI_SPEED_5 = 5;
|
|
/** Set SCK rate to 1/64 of max rate. */
|
|
uint8_t const SPI_SPEED_6 = 6;
|
|
|
|
// Standard SPI functions
|
|
/** Initialise SPI bus */
|
|
void spiBegin(void);
|
|
/** Configure SPI for specified SPI speed */
|
|
void spiInit(uint8_t spiRate);
|
|
/** Write single byte to SPI */
|
|
void spiSend(uint8_t b);
|
|
/** Read single byte from SPI */
|
|
uint8_t spiRec(void);
|
|
/** 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) */
|
|
void spiSendBlock(uint8_t token, const uint8_t* buf);
|
|
|
|
#ifdef ARDUINO_ARCH_AVR
|
|
#include "HAL_AVR/HAL_AVR.h"
|
|
#elif defined(ARDUINO_ARCH_SAM)
|
|
#define CPU_32_BIT
|
|
#include "HAL_DUE/HAL_Due.h"
|
|
#include "math_32bit.h"
|
|
#elif defined(__MK64FX512__) || defined(__MK66FX1M0__)
|
|
#define CPU_32_BIT
|
|
#include "HAL_TEENSY35_36/HAL_Teensy.h"
|
|
#include "math_32bit.h"
|
|
#elif defined(TARGET_LPC1768)
|
|
#define CPU_32_BIT
|
|
#include "math_32bit.h"
|
|
#include "HAL_LPC1768/HAL.h"
|
|
#else
|
|
#error "Unsupported Platform!"
|
|
#endif
|
|
|
|
#endif // _HAL_H
|
|
|