HAL for Linux (#13146)

2019-02-22 19:09:10 -06:00
parent 5eb82ca6a8
commit 15aa932aa6
45 changed files with 3064 additions and 3 deletions
--- a/Marlin/src/HAL/HAL_LINUX/HAL.h
+++ b/Marlin/src/HAL/HAL_LINUX/HAL.h
@@ -0,0 +1,109 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
+ * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.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/>.
+ *
+ */
+#pragma once
+
+#define CPU_32_BIT
+
+// --------------------------------------------------------------------------
+// Includes
+// --------------------------------------------------------------------------
+
+#define F_CPU 100000000
+#define SystemCoreClock F_CPU
+#include <iostream>
+#include <stdint.h>
+#include <stdarg.h>
+
+#undef min
+#undef max
+
+#include <algorithm>
+
+void _printf (const  char *format, ...);
+void _putc(uint8_t c);
+uint8_t _getc();
+
+//extern "C" volatile uint32_t _millis;
+
+//arduino: Print.h
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+//arduino: binary.h (weird defines)
+#define B01 1
+#define B10 2
+
+#include "hardware/Clock.h"
+
+#include <Arduino.h>
+
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
+#include "fastio.h"
+#include "watchdog.h"
+#include "HAL_timers.h"
+#include "serial.h"
+
+extern HalSerial usb_serial;
+#define MYSERIAL0 usb_serial
+#define NUM_SERIAL 1
+
+#define ST7920_DELAY_1 DELAY_NS(600)
+#define ST7920_DELAY_2 DELAY_NS(750)
+#define ST7920_DELAY_3 DELAY_NS(750)
+
+//
+// Interrupts
+//
+#define CRITICAL_SECTION_START
+#define CRITICAL_SECTION_END
+#define ISRS_ENABLED()
+#define ENABLE_ISRS()
+#define DISABLE_ISRS()
+
+//Utility functions
+int freeMemory(void);
+
+// SPI: Extended functions which take 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);
+
+// ADC
+#define HAL_ANALOG_SELECT(pin) HAL_adc_enable_channel(pin)
+#define HAL_START_ADC(pin)     HAL_adc_start_conversion(pin)
+#define HAL_READ_ADC()         HAL_adc_get_result()
+#define HAL_ADC_READY()        true
+
+void HAL_adc_init(void);
+void HAL_adc_enable_channel(int pin);
+void HAL_adc_start_conversion(const uint8_t adc_pin);
+uint16_t HAL_adc_get_result(void);
+
+/* ---------------- Delay in cycles */
+FORCE_INLINE static void DELAY_CYCLES(uint64_t x) {
+  Clock::delayCycles(x);
+}