mirror of https://github.com/rusefi/rusefi.git
58 lines
2.4 KiB
C++
58 lines
2.4 KiB
C++
/**
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* @file console_io.cpp
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*
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* @date Dec 29, 2012
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* @author Andrey Belomutskiy, (c) 2012-2020
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*
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* This file is part of rusEfi - see http://rusefi.com
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*
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* rusEFI can communicate with external universe via native USB or some sort of TTL mode
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* We have an interesting situation with TTL communication channels, we have
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* 1) SERIAL - this one was implemented first simply because the code was readily available (works on stm32)
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* this one is most suitable for streaming HAL API
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* this one is not great since each byte requires an IRQ and with enough IRQ delay we have a risk of data loss
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* 2) UART DMA - the best one since FIFO buffer reduces data loss (works on stm32)
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* We have two halves of DMA buffer - one is used for TTL while rusEFI prepares next batch of data in the other side.
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* We need idle support in order to not wait for the complete buffer to get full in order to recieve a message.
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* Back when we were implementing this STM32_DMA_CR_HTIE was not available in ChibiOS driver so we have added it.
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* we have custom rusEFI changes to ChibiOS HAL driver v1
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* F7 uses driver v2 which currently does not have rusEFI changes.
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* open question if fresh ChibiOS is better in this regard.
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* 3) UART this one is useful on platforms with hardware FIFO buffer like Kinetis.
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* stm32 does not have such buffer so for stm32 UART without DMA has no advantages
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*
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*
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* rusEfi is free software; you can redistribute it and/or modify it under the terms of
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* the GNU General Public License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* rusEfi is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with this program.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "pch.h"
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#include "console_io.h"
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#include "tunerstudio.h"
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#include "connector_uart_dma.h"
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#if EFI_SIMULATOR
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#include "rusEfiFunctionalTest.h"
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#endif /*EFI_SIMULATOR */
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bool consoleByteArrived = false;
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void onDataArrived(bool valid) {
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consoleByteArrived = valid;
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}
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CommandHandler console_line_callback;
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void startConsole(CommandHandler console_line_callback_p) {
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console_line_callback = console_line_callback_p;
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}
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