Bertrand SongisandGitHub
aff6c3fd1d
* [PXX] Latency using heartbeat sync optimized for X7 (stable @ 12ms) * [PXX] Latency using heartbeat sync optimized for XLite Pro (stable @ 9ms)
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/*
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* Copyright (C) OpenTX
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*
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* Based on code named
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* 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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#include "opentx.h"
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volatile HeartbeatCapture heartbeatCapture;
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#if defined(INTMODULE_HEARTBEAT_GPIO)
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void init_intmodule_heartbeat()
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
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GPIO_InitStructure.GPIO_Pin = INTMODULE_HEARTBEAT_GPIO_PIN;
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GPIO_Init(INTMODULE_HEARTBEAT_GPIO, &GPIO_InitStructure);
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SYSCFG_EXTILineConfig(INTMODULE_HEARTBEAT_EXTI_PortSource, INTMODULE_HEARTBEAT_EXTI_PinSource);
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EXTI_InitTypeDef EXTI_InitStructure;
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EXTI_StructInit(&EXTI_InitStructure);
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EXTI_InitStructure.EXTI_Line = INTMODULE_HEARTBEAT_EXTI_LINE;
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EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
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EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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EXTI_Init(&EXTI_InitStructure);
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NVIC_SetPriority(INTMODULE_HEARTBEAT_EXTI_IRQn, 0); // Highest priority interrupt
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NVIC_EnableIRQ(INTMODULE_HEARTBEAT_EXTI_IRQn);
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heartbeatCapture.valid = true;
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}
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void stop_intmodule_heartbeat()
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{
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heartbeatCapture.valid = false;
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#if !defined(INTMODULE_HEARTBEAT_REUSE_INTERRUPT_ROTARY_ENCODER)
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NVIC_DisableIRQ(INTMODULE_HEARTBEAT_EXTI_IRQn);
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#endif
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EXTI_InitTypeDef EXTI_InitStructure;
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EXTI_StructInit(&EXTI_InitStructure);
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EXTI_InitStructure.EXTI_Line = INTMODULE_HEARTBEAT_EXTI_LINE;
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EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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EXTI_InitStructure.EXTI_Trigger = INTMODULE_HEARTBEAT_TRIGGER;
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EXTI_InitStructure.EXTI_LineCmd = DISABLE;
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EXTI_Init(&EXTI_InitStructure);
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}
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void check_xjt_heartbeat()
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{
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if (EXTI_GetITStatus(INTMODULE_HEARTBEAT_EXTI_LINE) != RESET) {
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heartbeatCapture.timestamp = TIMER_2MHz_TIMER->CNT;
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heartbeatCapture.count++;
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EXTI_ClearITPendingBit(INTMODULE_HEARTBEAT_EXTI_LINE);
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}
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}
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#endif
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#if defined(INTMDULE_HEARTBEAT) && !defined(INTMODULE_HEARTBEAT_REUSE_INTERRUPT_ROTARY_ENCODER)
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extern "C" void INTMODULE_HEARTBEAT_EXTI_IRQHandler()
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{
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check_xjt_heartbeat();
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}
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#endif
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