346 lines
15 KiB
C++
346 lines
15 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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void extmoduleSendNextFrame();
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void extmoduleStop()
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{
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NVIC_DisableIRQ(EXTMODULE_TIMER_DMA_STREAM_IRQn);
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NVIC_DisableIRQ(EXTMODULE_TIMER_CC_IRQn);
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EXTMODULE_TIMER_DMA_STREAM->CR &= ~DMA_SxCR_EN; // Disable DMA
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#if defined(EXTMODULE_USART)
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NVIC_DisableIRQ(EXTMODULE_USART_DMA_STREAM_IRQn);
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EXTMODULE_USART_DMA_STREAM->CR &= ~DMA_SxCR_EN; // Disable DMA
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#endif
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EXTMODULE_TIMER->DIER &= ~(TIM_DIER_CC2IE | TIM_DIER_UDE);
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EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN;
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if (!IS_TRAINER_EXTERNAL_MODULE()) {
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EXTERNAL_MODULE_OFF();
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}
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}
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void extmoduleNoneStart()
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{
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if (!IS_TRAINER_EXTERNAL_MODULE()) {
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EXTERNAL_MODULE_OFF();
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}
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GPIO_PinAFConfig(EXTMODULE_TX_GPIO, EXTMODULE_TX_GPIO_PinSource, 0);
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = EXTMODULE_TX_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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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_NOPULL;
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GPIO_Init(EXTMODULE_TX_GPIO, &GPIO_InitStructure);
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GPIO_SetBits(EXTMODULE_TX_GPIO, EXTMODULE_TX_GPIO_PIN); // Set high
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EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN;
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EXTMODULE_TIMER->PSC = EXTMODULE_TIMER_FREQ / 2000000 - 1; // 0.5uS from 30MHz
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EXTMODULE_TIMER->ARR = 36000; // 18mS
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EXTMODULE_TIMER->CCR2 = 32000; // Update time
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EXTMODULE_TIMER->EGR = 1; // Restart
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EXTMODULE_TIMER->SR &= ~TIM_SR_CC2IF;
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EXTMODULE_TIMER->DIER |= TIM_DIER_CC2IE; // Enable this interrupt
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EXTMODULE_TIMER->CR1 |= TIM_CR1_CEN;
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NVIC_EnableIRQ(EXTMODULE_TIMER_CC_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_CC_IRQn, 7);
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}
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void extmodulePpmStart()
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{
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EXTERNAL_MODULE_ON();
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GPIO_PinAFConfig(EXTMODULE_TX_GPIO, EXTMODULE_TX_GPIO_PinSource, EXTMODULE_TIMER_TX_GPIO_AF);
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = EXTMODULE_TX_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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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_NOPULL;
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GPIO_Init(EXTMODULE_TX_GPIO, &GPIO_InitStructure);
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EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN;
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EXTMODULE_TIMER->PSC = EXTMODULE_TIMER_FREQ / 2000000 - 1; // 0.5uS from 30MHz
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EXTMODULE_TIMER->ARR = 45000;
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EXTMODULE_TIMER->CCR1 = GET_PPM_DELAY(EXTERNAL_MODULE)*2;
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EXTMODULE_TIMER->CCER = EXTMODULE_TIMER_OUTPUT_ENABLE | (GET_PPM_POLARITY(EXTERNAL_MODULE) ? EXTMODULE_TIMER_OUTPUT_POLARITY : 0); // // we are using complementary output so logic has to be reversed here
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EXTMODULE_TIMER->BDTR = TIM_BDTR_MOE;
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EXTMODULE_TIMER->CCMR1 = TIM_CCMR1_OC1M_2 | TIM_CCMR1_OC1M_0; // Force O/P high
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EXTMODULE_TIMER->EGR = 1;
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EXTMODULE_TIMER->DIER |= TIM_DIER_UDE;
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EXTMODULE_TIMER->CCMR1 = TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1M_2 | TIM_CCMR1_OC2PE; // PWM mode 1
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EXTMODULE_TIMER->CR1 |= TIM_CR1_CEN;
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extmoduleSendNextFrame();
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NVIC_EnableIRQ(EXTMODULE_TIMER_DMA_STREAM_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_DMA_STREAM_IRQn, 7);
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NVIC_EnableIRQ(EXTMODULE_TIMER_CC_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_CC_IRQn, 7);
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}
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void extmoduleSerialStart(uint32_t /*baudrate*/, uint32_t period_half_us)
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{
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EXTERNAL_MODULE_ON();
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GPIO_PinAFConfig(EXTMODULE_TX_GPIO, EXTMODULE_TX_GPIO_PinSource, EXTMODULE_TIMER_TX_GPIO_AF);
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = EXTMODULE_TX_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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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_NOPULL;
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GPIO_Init(EXTMODULE_TX_GPIO, &GPIO_InitStructure);
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EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN;
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EXTMODULE_TIMER->PSC = EXTMODULE_TIMER_FREQ / 2000000 - 1; // 0.5uS from 30MHz
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EXTMODULE_TIMER->ARR = period_half_us;
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EXTMODULE_TIMER->CCER = EXTMODULE_TIMER_OUTPUT_ENABLE | EXTMODULE_TIMER_OUTPUT_POLARITY;
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EXTMODULE_TIMER->BDTR = TIM_BDTR_MOE; // Enable outputs
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EXTMODULE_TIMER->CCR1 = 0;
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EXTMODULE_TIMER->CCMR1 = TIM_CCMR1_OC1M_2 | TIM_CCMR1_OC1M_0; // Force O/P high
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EXTMODULE_TIMER->EGR = 1; // Restart
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EXTMODULE_TIMER->DIER |= TIM_DIER_UDE; // Enable DMA on update
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EXTMODULE_TIMER->CCMR1 = TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1M_0;
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EXTMODULE_TIMER->CR1 |= TIM_CR1_CEN;
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extmoduleSendNextFrame();
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NVIC_EnableIRQ(EXTMODULE_TIMER_DMA_STREAM_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_DMA_STREAM_IRQn, 7);
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NVIC_EnableIRQ(EXTMODULE_TIMER_CC_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_CC_IRQn, 7);
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}
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#if defined(EXTMODULE_USART)
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void extmoduleInvertedSerialStart(uint32_t baudrate, uint32_t period_half_us)
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{
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EXTERNAL_MODULE_ON();
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NVIC_InitTypeDef NVIC_InitStructure;
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NVIC_InitStructure.NVIC_IRQChannel = EXTMODULE_USART_DMA_STREAM_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; /* Not used as 4 bits are used for the pre-emption priority. */;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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// TX Pin
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GPIO_PinAFConfig(EXTMODULE_TX_GPIO, EXTMODULE_TX_GPIO_PinSource, EXTMODULE_USART_TX_GPIO_AF);
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = EXTMODULE_TX_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
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GPIO_Init(EXTMODULE_TX_GPIO, &GPIO_InitStructure);
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#if 0
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// RX Pin
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GPIO_PinAFConfig(EXTMODULE_RX_GPIO, EXTMODULE_RX_GPIO_PinSource, EXTMODULE_TX_GPIO_USART_AF);
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GPIO_InitStructure.GPIO_Pin = EXTMODULE_RX_GPIO_PIN;
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GPIO_Init(EXTMODULE_RX_GPIO, &GPIO_InitStructure);
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#endif
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// UART config
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USART_DeInit(EXTMODULE_USART);
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USART_InitTypeDef USART_InitStructure;
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USART_InitStructure.USART_BaudRate = baudrate;
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USART_InitStructure.USART_Parity = USART_Parity_No;
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USART_InitStructure.USART_StopBits = USART_StopBits_1;
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USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
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USART_Init(EXTMODULE_USART, &USART_InitStructure);
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USART_Cmd(EXTMODULE_USART, ENABLE);
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// Timer
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EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN;
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EXTMODULE_TIMER->PSC = EXTMODULE_TIMER_FREQ / 2000000 - 1; // 0.5uS from 30MHz
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EXTMODULE_TIMER->ARR = period_half_us;
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EXTMODULE_TIMER->CCR2 = period_half_us - 2000; // Update time
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EXTMODULE_TIMER->EGR = 1; // Restart
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EXTMODULE_TIMER->SR &= ~TIM_SR_CC2IF;
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EXTMODULE_TIMER->DIER |= TIM_DIER_CC2IE; // Enable this interrupt
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EXTMODULE_TIMER->CR1 |= TIM_CR1_CEN;
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NVIC_EnableIRQ(EXTMODULE_TIMER_CC_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_CC_IRQn, 7);
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}
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void extmodulePxxStart()
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{
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extmoduleInvertedSerialStart(EXTMODULE_USART_PXX_BAUDRATE, PXX_PERIOD_HALF_US);
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}
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#else
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void extmodulePxxStart()
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{
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EXTERNAL_MODULE_ON();
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GPIO_PinAFConfig(EXTMODULE_TX_GPIO, EXTMODULE_TX_GPIO_PinSource, EXTMODULE_TIMER_TX_GPIO_AF);
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = EXTMODULE_TX_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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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_NOPULL;
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GPIO_Init(EXTMODULE_TX_GPIO, &GPIO_InitStructure);
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EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN;
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EXTMODULE_TIMER->PSC = EXTMODULE_TIMER_FREQ / 2000000 - 1; // 0.5uS (2Mhz)
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EXTMODULE_TIMER->ARR = PXX_PERIOD_HALF_US;
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EXTMODULE_TIMER->CCER = EXTMODULE_TIMER_OUTPUT_ENABLE | EXTMODULE_TIMER_OUTPUT_POLARITY; // polarity, default low
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EXTMODULE_TIMER->BDTR = TIM_BDTR_MOE; // Enable outputs
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EXTMODULE_TIMER->CCR1 = 18;
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EXTMODULE_TIMER->CCMR1 = TIM_CCMR1_OC1M_2 | TIM_CCMR1_OC1M_0; // Force O/P high
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EXTMODULE_TIMER->EGR = 1; // Restart
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EXTMODULE_TIMER->DIER |= TIM_DIER_UDE; // Enable DMA on update
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EXTMODULE_TIMER->CCMR1 = TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1M_2;
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EXTMODULE_TIMER->CR1 |= TIM_CR1_CEN;
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extmoduleSendNextFrame();
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NVIC_EnableIRQ(EXTMODULE_TIMER_DMA_STREAM_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_DMA_STREAM_IRQn, 7);
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NVIC_EnableIRQ(EXTMODULE_TIMER_CC_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_CC_IRQn, 7);
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}
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#endif
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void extmoduleCrossfireStart()
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{
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EXTERNAL_MODULE_ON();
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GPIO_PinAFConfig(EXTMODULE_TX_GPIO, EXTMODULE_TX_GPIO_PinSource, 0);
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = EXTMODULE_TX_GPIO_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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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_NOPULL;
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GPIO_Init(EXTMODULE_TX_GPIO, &GPIO_InitStructure);
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GPIO_SetBits(EXTMODULE_TX_GPIO, EXTMODULE_TX_GPIO_PIN); // Set high
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EXTMODULE_TIMER->CR1 &= ~TIM_CR1_CEN;
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EXTMODULE_TIMER->PSC = EXTMODULE_TIMER_FREQ / 2000000 - 1; // 0.5uS from 30MHz
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EXTMODULE_TIMER->ARR = (2000 * CROSSFIRE_PERIOD);
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EXTMODULE_TIMER->CCR2 = (2000 * CROSSFIRE_PERIOD) - 1000;
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EXTMODULE_TIMER->EGR = 1; // Restart
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EXTMODULE_TIMER->SR &= ~TIM_SR_CC2IF;
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EXTMODULE_TIMER->DIER |= TIM_DIER_CC2IE; // Enable this interrupt
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EXTMODULE_TIMER->CR1 |= TIM_CR1_CEN;
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NVIC_EnableIRQ(EXTMODULE_TIMER_CC_IRQn);
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NVIC_SetPriority(EXTMODULE_TIMER_CC_IRQn, 7);
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}
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void extmoduleSendNextFrame()
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{
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if (s_current_protocol[EXTERNAL_MODULE] == PROTO_PPM) {
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EXTMODULE_TIMER->CCR1 = GET_PPM_DELAY(EXTERNAL_MODULE)*2;
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EXTMODULE_TIMER->CCER = EXTMODULE_TIMER_OUTPUT_ENABLE | (GET_PPM_POLARITY(EXTERNAL_MODULE) ? EXTMODULE_TIMER_OUTPUT_POLARITY : 0); // // we are using complementary output so logic has to be reversed here
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EXTMODULE_TIMER->CCR2 = *(modulePulsesData[EXTERNAL_MODULE].ppm.ptr - 1) - 4000; // 2mS in advance
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EXTMODULE_TIMER_DMA_STREAM->CR &= ~DMA_SxCR_EN; // Disable DMA
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EXTMODULE_TIMER_DMA_STREAM->CR |= EXTMODULE_TIMER_DMA_CHANNEL | DMA_SxCR_DIR_0 | DMA_SxCR_MINC | DMA_SxCR_PSIZE_0 | DMA_SxCR_MSIZE_0 | DMA_SxCR_PL_0 | DMA_SxCR_PL_1;
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EXTMODULE_TIMER_DMA_STREAM->PAR = CONVERT_PTR_UINT(&EXTMODULE_TIMER->ARR);
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EXTMODULE_TIMER_DMA_STREAM->M0AR = CONVERT_PTR_UINT(modulePulsesData[EXTERNAL_MODULE].ppm.pulses);
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EXTMODULE_TIMER_DMA_STREAM->NDTR = modulePulsesData[EXTERNAL_MODULE].ppm.ptr - modulePulsesData[EXTERNAL_MODULE].ppm.pulses;
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EXTMODULE_TIMER_DMA_STREAM->CR |= DMA_SxCR_EN | DMA_SxCR_TCIE; // Enable DMA
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}
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else if (s_current_protocol[EXTERNAL_MODULE] == PROTO_PXX) {
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#if defined(EXTMODULE_USART)
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DMA_InitTypeDef DMA_InitStructure;
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DMA_DeInit(EXTMODULE_USART_DMA_STREAM);
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DMA_InitStructure.DMA_Channel = EXTMODULE_USART_DMA_CHANNEL;
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DMA_InitStructure.DMA_PeripheralBaseAddr = CONVERT_PTR_UINT(&EXTMODULE_USART->DR);
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DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
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DMA_InitStructure.DMA_Memory0BaseAddr = CONVERT_PTR_UINT(modulePulsesData[EXTERNAL_MODULE].pxx_uart.pulses);
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DMA_InitStructure.DMA_BufferSize = modulePulsesData[EXTERNAL_MODULE].pxx_uart.ptr - modulePulsesData[EXTERNAL_MODULE].pxx_uart.pulses;
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DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
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DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
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DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
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DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
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DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
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DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
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DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
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DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
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DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
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DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
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DMA_Init(EXTMODULE_USART_DMA_STREAM, &DMA_InitStructure);
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DMA_Cmd(EXTMODULE_USART_DMA_STREAM, ENABLE);
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USART_DMACmd(EXTMODULE_USART, USART_DMAReq_Tx, ENABLE);
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EXTMODULE_TIMER->DIER |= TIM_DIER_CC2IE;
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#else
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EXTMODULE_TIMER->CCR2 = *(modulePulsesData[EXTERNAL_MODULE].pxx.ptr - 1) - 4000; // 2mS in advance
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EXTMODULE_TIMER_DMA_STREAM->CR &= ~DMA_SxCR_EN; // Disable DMA
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EXTMODULE_TIMER_DMA_STREAM->CR |= EXTMODULE_TIMER_DMA_CHANNEL | DMA_SxCR_DIR_0 | DMA_SxCR_MINC | DMA_SxCR_PSIZE_0 | DMA_SxCR_MSIZE_0 | DMA_SxCR_PL_0 | DMA_SxCR_PL_1;
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EXTMODULE_TIMER_DMA_STREAM->PAR = CONVERT_PTR_UINT(&EXTMODULE_TIMER->ARR);
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EXTMODULE_TIMER_DMA_STREAM->M0AR = CONVERT_PTR_UINT(modulePulsesData[EXTERNAL_MODULE].pxx.pulses);
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EXTMODULE_TIMER_DMA_STREAM->NDTR = modulePulsesData[EXTERNAL_MODULE].pxx.ptr - modulePulsesData[EXTERNAL_MODULE].pxx.pulses;
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EXTMODULE_TIMER_DMA_STREAM->CR |= DMA_SxCR_EN | DMA_SxCR_TCIE; // Enable DMA
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#endif
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}
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else if (IS_DSM2_PROTOCOL(s_current_protocol[EXTERNAL_MODULE]) || IS_MULTIMODULE_PROTOCOL(s_current_protocol[EXTERNAL_MODULE]) || IS_SBUS_PROTOCOL(s_current_protocol[EXTERNAL_MODULE])) {
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if (IS_SBUS_PROTOCOL(s_current_protocol[EXTERNAL_MODULE]))
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EXTMODULE_TIMER->CCER = EXTMODULE_TIMER_OUTPUT_ENABLE | (GET_SBUS_POLARITY(EXTERNAL_MODULE) ? EXTMODULE_TIMER_OUTPUT_POLARITY : 0); // reverse polarity for Sbus if needed
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EXTMODULE_TIMER->CCR2 = *(modulePulsesData[EXTERNAL_MODULE].dsm2.ptr - 1) - 4000; // 2mS in advance
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EXTMODULE_TIMER_DMA_STREAM->CR &= ~DMA_SxCR_EN; // Disable DMA
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EXTMODULE_TIMER_DMA_STREAM->CR |= EXTMODULE_TIMER_DMA_CHANNEL | DMA_SxCR_DIR_0 | DMA_SxCR_MINC | DMA_SxCR_PSIZE_0 | DMA_SxCR_MSIZE_0 | DMA_SxCR_PL_0 | DMA_SxCR_PL_1;
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EXTMODULE_TIMER_DMA_STREAM->PAR = CONVERT_PTR_UINT(&EXTMODULE_TIMER->ARR);
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EXTMODULE_TIMER_DMA_STREAM->M0AR = CONVERT_PTR_UINT(modulePulsesData[EXTERNAL_MODULE].dsm2.pulses);
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EXTMODULE_TIMER_DMA_STREAM->NDTR = modulePulsesData[EXTERNAL_MODULE].dsm2.ptr - modulePulsesData[EXTERNAL_MODULE].dsm2.pulses;
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EXTMODULE_TIMER_DMA_STREAM->CR |= DMA_SxCR_EN | DMA_SxCR_TCIE; // Enable DMA
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}
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else {
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EXTMODULE_TIMER->DIER |= TIM_DIER_CC2IE;
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}
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}
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extern "C" void EXTMODULE_TIMER_DMA_STREAM_IRQHandler()
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{
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if (!DMA_GetITStatus(EXTMODULE_TIMER_DMA_STREAM, EXTMODULE_TIMER_DMA_FLAG_TC))
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return;
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DMA_ClearITPendingBit(EXTMODULE_TIMER_DMA_STREAM, EXTMODULE_TIMER_DMA_FLAG_TC);
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EXTMODULE_TIMER->SR &= ~TIM_SR_CC2IF; // Clear flag
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EXTMODULE_TIMER->DIER |= TIM_DIER_CC2IE; // Enable this interrupt
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}
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extern "C" void EXTMODULE_TIMER_CC_IRQHandler()
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{
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EXTMODULE_TIMER->DIER &= ~TIM_DIER_CC2IE; // Stop this interrupt
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EXTMODULE_TIMER->SR &= ~TIM_SR_CC2IF;
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setupPulses(EXTERNAL_MODULE);
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extmoduleSendNextFrame();
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}
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