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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- /**
- * Description: HAL for Teensy 4.0 and Teensy 4.1
- */
-
- #define CPU_32_BIT
-
- #include "../shared/Marduino.h"
- #include "../shared/math_32bit.h"
- #include "../shared/HAL_SPI.h"
-
- #include "fastio.h"
- #include "watchdog.h"
-
- #include <stdint.h>
- #include <util/atomic.h>
-
- //#define ST7920_DELAY_1 DELAY_NS(600)
- //#define ST7920_DELAY_2 DELAY_NS(750)
- //#define ST7920_DELAY_3 DELAY_NS(750)
-
- // ------------------------
- // Defines
- // ------------------------
-
- #ifdef __IMXRT1062__
- #define IS_32BIT_TEENSY 1
- #define IS_TEENSY41 1
- #endif
-
- #if SERIAL_PORT == -1
- #define MYSERIAL0 SerialUSB
- #elif SERIAL_PORT == 0
- #define MYSERIAL0 Serial
- #elif SERIAL_PORT == 1
- #define MYSERIAL0 Serial1
- #elif SERIAL_PORT == 2
- #define MYSERIAL0 Serial2
- #elif SERIAL_PORT == 3
- #define MYSERIAL0 Serial3
- #elif SERIAL_PORT == 4
- #define MYSERIAL0 Serial4
- #elif SERIAL_PORT == 5
- #define MYSERIAL0 Serial5
- #elif SERIAL_PORT == 6
- #define MYSERIAL0 Serial6
- #elif SERIAL_PORT == 7
- #define MYSERIAL0 Serial7
- #elif SERIAL_PORT == 8
- #define MYSERIAL0 Serial8
- #else
- #error "The required SERIAL_PORT must be from -1 to 8. Please update your configuration."
- #endif
-
- #ifdef SERIAL_PORT_2
- #if SERIAL_PORT_2 == SERIAL_PORT
- #error "SERIAL_PORT_2 must be different from SERIAL_PORT. Please update your configuration."
- #elif SERIAL_PORT_2 == -1
- #define MYSERIAL1 usbSerial
- #elif SERIAL_PORT_2 == 0
- #define MYSERIAL1 Serial
- #elif SERIAL_PORT_2 == 1
- #define MYSERIAL1 Serial1
- #elif SERIAL_PORT_2 == 2
- #define MYSERIAL1 Serial2
- #elif SERIAL_PORT_2 == 3
- #define MYSERIAL1 Serial3
- #elif SERIAL_PORT_2 == 4
- #define MYSERIAL1 Serial4
- #elif SERIAL_PORT_2 == 5
- #define MYSERIAL1 Serial5
- #elif SERIAL_PORT_2 == 6
- #define MYSERIAL1 Serial6
- #elif SERIAL_PORT_2 == 7
- #define MYSERIAL1 Serial7
- #elif SERIAL_PORT_2 == 8
- #define MYSERIAL1 Serial8
- #else
- #error "SERIAL_PORT_2 must be from -1 to 8. Please update your configuration."
- #endif
- #define NUM_SERIAL 2
- #else
- #define NUM_SERIAL 1
- #endif
-
- #define HAL_SERVO_LIB libServo
-
- typedef int8_t pin_t;
-
- #ifndef analogInputToDigitalPin
- #define analogInputToDigitalPin(p) ((p < 12u) ? (p) + 54u : -1)
- #endif
-
- #define CRITICAL_SECTION_START() uint32_t primask = __get_primask(); __disable_irq()
- #define CRITICAL_SECTION_END() if (!primask) __enable_irq()
- #define ISRS_ENABLED() (!__get_primask())
- #define ENABLE_ISRS() __enable_irq()
- #define DISABLE_ISRS() __disable_irq()
-
- #undef sq
- #define sq(x) ((x)*(x))
-
- #ifndef strncpy_P
- #define strncpy_P(dest, src, num) strncpy((dest), (src), (num))
- #endif
-
- // Don't place string constants in PROGMEM
- #undef PSTR
- #define PSTR(str) ({static const char *data = (str); &data[0];})
-
- // Fix bug in pgm_read_ptr
- #undef pgm_read_ptr
- #define pgm_read_ptr(addr) (*((void**)(addr)))
- // Add type-checking to pgm_read_word
- #undef pgm_read_word
- #define pgm_read_word(addr) (*((uint16_t*)(addr)))
-
- // Enable hooks into idle and setup for HAL
- #define HAL_IDLETASK 1
- FORCE_INLINE void HAL_idletask() {}
- FORCE_INLINE void HAL_init() {}
-
- // Clear reset reason
- void HAL_clear_reset_source();
-
- // Reset reason
- uint8_t HAL_get_reset_source();
-
- FORCE_INLINE void _delay_ms(const int delay_ms) { delay(delay_ms); }
-
- #pragma GCC diagnostic push
- #pragma GCC diagnostic ignored "-Wunused-function"
- extern "C" {
- uint32_t freeMemory();
- }
- #pragma GCC diagnostic pop
-
- // ADC
-
- void HAL_adc_init();
-
- #define HAL_ADC_VREF 3.3
- #define HAL_ADC_RESOLUTION 10
- #define HAL_ADC_FILTERED // turn off ADC oversampling
- #define HAL_START_ADC(pin) HAL_adc_start_conversion(pin)
- #define HAL_READ_ADC() HAL_adc_get_result()
- #define HAL_ADC_READY() true
-
- #define HAL_ANALOG_SELECT(pin)
-
- void HAL_adc_start_conversion(const uint8_t adc_pin);
- uint16_t HAL_adc_get_result();
-
- #define GET_PIN_MAP_PIN(index) index
- #define GET_PIN_MAP_INDEX(pin) pin
- #define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
-
- bool is_output(uint8_t pin);
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