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/**
* 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 <https://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <HardwareSerial.h>
#include <libmaple/usart.h>
#include <WString.h>
#include "../../inc/MarlinConfigPre.h"
#include "../../core/serial_hook.h"
#if HAS_TFT_LVGL_UI
extern "C" { extern char public_buf_m[100]; }
#endif
// Increase priority of serial interrupts, to reduce overflow errors
#define UART_IRQ_PRIO 1
struct MarlinSerial : public HardwareSerial {
MarlinSerial(struct usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin) : HardwareSerial(usart_device, tx_pin, rx_pin) { }
#ifdef UART_IRQ_PRIO
// Shadow the parent methods to set IRQ priority after begin()
void begin(uint32 baud) {
MarlinSerial::begin(baud, SERIAL_8N1);
}
void begin(uint32 baud, uint8_t config) {
HardwareSerial::begin(baud, config);
nvic_irq_set_priority(c_dev()->irq_num, UART_IRQ_PRIO);
}
#endif
#if HAS_TFT_LVGL_UI
// Hook the serial write method to capture the output of GCode command sent via LCD
uint32_t current_wpos;
void (*line_callback)(void *, const char * msg);
void *user_pointer;
void set_hook(void (*hook)(void *, const char *), void * that) { line_callback = hook; user_pointer = that; current_wpos = 0; }
size_t write(uint8_t c) {
if (line_callback) {
if (c == '\n' || current_wpos == sizeof(public_buf_m) - 1) { // End of line, probably end of command anyway
public_buf_m[current_wpos] = 0;
line_callback(user_pointer, public_buf_m);
current_wpos = 0;
}
else
public_buf_m[current_wpos++] = c;
}
return HardwareSerial::write(c);
}
#endif
};
typedef Serial0Type<MarlinSerial> MSerialT;
extern MSerialT MSerial1;
extern MSerialT MSerial2;
extern MSerialT MSerial3;
#if EITHER(STM32_HIGH_DENSITY, STM32_XL_DENSITY)
extern MSerialT MSerial4;
extern MSerialT MSerial5;
#endif
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