96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
/*
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* Copyright (C) EdgeTX
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*
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* Based on code named
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* opentx - https://github.com/opentx/opentx
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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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extern void flysky_hall_stick_loop( void );
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// Start TIMER at 2000000Hz
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void init2MhzTimer()
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{
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TIMER_2MHz_TIMER->PSC = (PERI1_FREQUENCY * TIMER_MULT_APB1) / 2000000 - 1; // 0.5 uS, 2 MHz
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TIMER_2MHz_TIMER->ARR = 65535;
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TIMER_2MHz_TIMER->CR2 = 0;
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TIMER_2MHz_TIMER->CR1 = TIM_CR1_CEN;
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}
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// Start TIMER at 1000Hz
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void init1msTimer()
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{
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INTERRUPT_xMS_TIMER->ARR = 999; // 1mS in uS
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INTERRUPT_xMS_TIMER->PSC = (PERI1_FREQUENCY * TIMER_MULT_APB1) / 1000000 - 1; // 1uS
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INTERRUPT_xMS_TIMER->CCER = 0;
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INTERRUPT_xMS_TIMER->CCMR1 = 0;
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INTERRUPT_xMS_TIMER->EGR = 0;
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INTERRUPT_xMS_TIMER->CR1 = TIM_CR1_CEN | TIM_CR1_URS;
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INTERRUPT_xMS_TIMER->DIER |= TIM_DIER_UIE;
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NVIC_EnableIRQ(INTERRUPT_xMS_IRQn);
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NVIC_SetPriority(INTERRUPT_xMS_IRQn, 4);
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}
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void stop1msTimer()
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{
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INTERRUPT_xMS_TIMER->CR1 = 0; // stop timer
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NVIC_DisableIRQ(INTERRUPT_xMS_IRQn);
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}
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static void interrupt1ms()
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{
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static uint8_t pre_scale; // Used to get 10 Hz counter
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++pre_scale;
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// 1 ms loop
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#if not defined(SIMU) && (defined(RADIO_FAMILY_T16) || defined(PCBNV14))
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if (globalData.flyskygimbals)
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{
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flysky_hall_stick_loop();
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}
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#endif
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// 5ms loop
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if (pre_scale == 5 || pre_scale == 10)
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{
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#if defined(HAPTIC)
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DEBUG_TIMER_START(debugTimerHaptic);
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HAPTIC_HEARTBEAT();
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DEBUG_TIMER_STOP(debugTimerHaptic);
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#endif
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}
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// 10ms loop
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if (pre_scale == 10)
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{
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pre_scale = 0;
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DEBUG_TIMER_START(debugTimerPer10ms);
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DEBUG_TIMER_SAMPLE(debugTimerPer10msPeriod);
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per10ms();
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DEBUG_TIMER_STOP(debugTimerPer10ms);
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}
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}
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extern "C" void INTERRUPT_xMS_IRQHandler()
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{
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INTERRUPT_xMS_TIMER->SR &= ~TIM_SR_UIF;
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interrupt1ms();
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DEBUG_INTERRUPT(INT_1MS);
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}
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