Initial commit. Unusable Marlin 2.0.5.3 core without any custimization.

2020-06-02 11:44:35 +02:00
commit 987c858ae4
1519 changed files with 1361431 additions and 0 deletions
--- a/Marlin/src/HAL/ESP32/timers.h
+++ b/Marlin/src/HAL/ESP32/timers.h
@@ -0,0 +1,121 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * 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
+
+#include <stdint.h>
+#include <driver/timer.h>
+
+// Includes needed to get I2S_STEPPER_STREAM. Note that pins.h
+// is included in case this header is being included early.
+#include "../../inc/MarlinConfig.h"
+#include "../../pins/pins.h"
+
+// ------------------------
+// Defines
+// ------------------------
+//
+#define FORCE_INLINE __attribute__((always_inline)) inline
+
+typedef uint64_t hal_timer_t;
+#define HAL_TIMER_TYPE_MAX 0xFFFFFFFFFFFFFFFFULL
+
+#define STEP_TIMER_NUM 0  // index of timer to use for stepper
+#define TEMP_TIMER_NUM 1  // index of timer to use for temperature
+#define PWM_TIMER_NUM  2  // index of timer to use for PWM outputs
+#define PULSE_TIMER_NUM STEP_TIMER_NUM
+
+#define HAL_TIMER_RATE APB_CLK_FREQ // frequency of timer peripherals
+
+#if ENABLED(I2S_STEPPER_STREAM)
+  #define STEPPER_TIMER_PRESCALE     1
+  #define STEPPER_TIMER_RATE         250000                           // 250khz, 4µs pulses of i2s word clock
+  #define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs // wrong would be 0.25
+#else
+  #define STEPPER_TIMER_PRESCALE     40
+  #define STEPPER_TIMER_RATE         ((HAL_TIMER_RATE) / (STEPPER_TIMER_PRESCALE)) // frequency of stepper timer, 2MHz
+  #define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000)              // stepper timer ticks per µs
+#endif
+
+#define STEP_TIMER_MIN_INTERVAL   8 // minimum time in µs between stepper interrupts
+
+#define TEMP_TIMER_PRESCALE    1000 // prescaler for setting Temp timer, 72Khz
+#define TEMP_TIMER_FREQUENCY   1000 // temperature interrupt frequency
+
+#define PWM_TIMER_PRESCALE       10
+#if ENABLED(FAST_PWM_FAN)
+  #define PWM_TIMER_FREQUENCY  FAST_PWM_FAN_FREQUENCY
+#else
+  #define PWM_TIMER_FREQUENCY  (50*128) // 50Hz and 7bit resolution
+#endif
+#define MAX_PWM_PINS             32 // Number of PWM pin-slots
+
+#define PULSE_TIMER_RATE         STEPPER_TIMER_RATE   // frequency of pulse timer
+#define PULSE_TIMER_PRESCALE     STEPPER_TIMER_PRESCALE
+#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
+
+#define ENABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_enable_interrupt(STEP_TIMER_NUM)
+#define DISABLE_STEPPER_DRIVER_INTERRUPT()  HAL_timer_disable_interrupt(STEP_TIMER_NUM)
+#define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(STEP_TIMER_NUM)
+
+#define ENABLE_TEMPERATURE_INTERRUPT()  HAL_timer_enable_interrupt(TEMP_TIMER_NUM)
+#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(TEMP_TIMER_NUM)
+
+#define HAL_TEMP_TIMER_ISR() extern "C" void tempTC_Handler()
+#define HAL_STEP_TIMER_ISR() extern "C" void stepTC_Handler()
+#define HAL_PWM_TIMER_ISR() extern "C" void pwmTC_Handler()
+
+extern "C" void tempTC_Handler();
+extern "C" void stepTC_Handler();
+extern "C" void pwmTC_Handler();
+
+// ------------------------
+// Types
+// ------------------------
+
+typedef struct {
+  timer_group_t  group;
+  timer_idx_t    idx;
+  uint32_t       divider;
+  void           (*fn)();
+} tTimerConfig;
+
+// ------------------------
+// Public Variables
+// ------------------------
+
+extern const tTimerConfig TimerConfig[];
+
+// ------------------------
+// Public functions
+// ------------------------
+
+void HAL_timer_start (const uint8_t timer_num, uint32_t frequency);
+void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t count);
+hal_timer_t HAL_timer_get_compare(const uint8_t timer_num);
+hal_timer_t HAL_timer_get_count(const uint8_t timer_num);
+
+void HAL_timer_enable_interrupt(const uint8_t timer_num);
+void HAL_timer_disable_interrupt(const uint8_t timer_num);
+bool HAL_timer_interrupt_enabled(const uint8_t timer_num);
+
+#define HAL_timer_isr_prologue(TIMER_NUM)
+#define HAL_timer_isr_epilogue(TIMER_NUM)