292 lines
9.2 KiB
C
292 lines
9.2 KiB
C
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/* -*- mode: c; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4; coding: utf-8 -*- */
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/************************************************************************************
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** **
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** mcHF QRP Transceiver **
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** K Atanassov - M0NKA 2014 **
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** **
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**---------------------------------------------------------------------------------**
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** **
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** File name: **
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** Description: **
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** Last Modified: **
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** Licence: GNU GPLv3 **
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************************************************************************************/
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// Common
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#include "uhsdr_board.h"
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#include "ui_driver.h"
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#include "stdlib.h"
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#include "ui_rotary.h"
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#include "tim.h"
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// ------------------------------------------------
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// Encoder 1-4 Array
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__IO EncoderSelection encSel[4];
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typedef struct
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{
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GPIO_TypeDef* pio;
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uint16_t pin;
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uint8_t af;
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} pin_t;
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typedef struct {
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TIM_TypeDef* tim;
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TIM_HandleTypeDef * htim;
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pin_t pin[2];
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} encoder_io_t;
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const encoder_io_t encoderIO[4] =
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{
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{
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.tim = TIM3,
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.htim = &htim3,
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.pin =
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{
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{ ENC_ONE_CH1_PIO, ENC_ONE_CH1, GPIO_AF2_TIM3 } ,
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{ ENC_ONE_CH2_PIO, ENC_ONE_CH2, GPIO_AF2_TIM3 }
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}
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},
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{
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.tim = TIM4,
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.htim = &htim4,
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.pin =
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{
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{ ENC_TWO_CH1_PIO, ENC_TWO_CH1, GPIO_AF2_TIM4 } ,
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{ ENC_TWO_CH2_PIO, ENC_TWO_CH2, GPIO_AF2_TIM4 }
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}
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},
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{
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.tim = TIM5,
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.htim = &htim5,
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.pin =
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{
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{ ENC_THREE_CH1_PIO, ENC_THREE_CH1, GPIO_AF2_TIM5 } ,
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{ ENC_THREE_CH2_PIO, ENC_THREE_CH2, GPIO_AF2_TIM5 }
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}
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},
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{
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.tim = TIM8,
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.htim = &htim8,
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.pin =
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{
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{ FREQ_ENC_CH1_PIO, FREQ_ENC_CH1, GPIO_AF3_TIM8 } ,
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{ FREQ_ENC_CH2_PIO, FREQ_ENC_CH2, GPIO_AF3_TIM8 }
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}
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}
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};
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void UiRotaryEncoderInit(uint8_t id)
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{
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const encoder_io_t* encIO = &encoderIO[id];
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// Init encoder one
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encSel[id].value_old = 0;
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encSel[id].value_new = ENCODER_RANGE;
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encSel[id].de_detent = 0;
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encSel[id].tim = encIO->tim;
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HAL_TIM_Encoder_Start(encIO->htim, TIM_CHANNEL_1 | TIM_CHANNEL_2);
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#if 0
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
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GPIO_InitStructure.Pull = GPIO_PULLUP;
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for (uint32_t pinIdx = 0; pinIdx < 2; pinIdx++)
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{
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GPIO_InitStructure.Alternate = encIO->pin[pinIdx].af;
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GPIO_InitStructure.Pin = encIO->pin[pinIdx].pin;
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GPIO_Init(encIO->pin[pinIdx].pio, &GPIO_InitStructure);
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}
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
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TIM_TimeBaseStructure.TIM_Period = (ENCODER_RANGE/ENCODER_LOG_D) + (ENCODER_FLICKR_BAND*2); // range + 3 + 3
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TIM_TimeBaseStructure.TIM_Prescaler = 0;
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TIM_TimeBaseStructure.TIM_ClockDivision = 0;
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_EncoderInterfaceConfig(encIO->tim,TIM_EncoderMode_TI12,TIM_ICPolarity_Falling,TIM_ICPolarity_Falling);
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TIM_TimeBaseInit(encIO->tim, &TIM_TimeBaseStructure);
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TIM_Cmd(encIO->tim, ENABLE);
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#endif
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}
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//*----------------------------------------------------------------------------
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//* Function Name : UiRotaryFreqEncoderInit
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//* Object :
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//* Input Parameters :
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//* Output Parameters :
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//* Functions called :
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//*----------------------------------------------------------------------------
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void UiRotaryFreqEncoderInit(void)
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{
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///RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8, ENABLE);
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UiRotaryEncoderInit(ENCFREQ);
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}
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//*----------------------------------------------------------------------------
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//* Function Name : UiRotaryEncoderOneInit
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//* Object : audio gain
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//* Input Parameters :
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//* Output Parameters :
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//* Functions called :
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//*----------------------------------------------------------------------------
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void UiRotaryEncoderOneInit(void)
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{
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///RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
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UiRotaryEncoderInit(ENC1);
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}
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//*----------------------------------------------------------------------------
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//* Function Name : UiRotaryEncoderTwoInit
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//* Object : rfgain
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//* Input Parameters :
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//* Output Parameters :
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//* Functions called :
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//*----------------------------------------------------------------------------
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void UiRotaryEncoderTwoInit(void)
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{
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///RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
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UiRotaryEncoderInit(ENC2);
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}
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//*----------------------------------------------------------------------------
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//* Function Name : UiRotaryEncoderThreeInit
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//* Object :
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//* Input Parameters :
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//* Output Parameters :
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//* Functions called :
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//*----------------------------------------------------------------------------
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void UiRotaryEncoderThreeInit(void)
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{
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///RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE);
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UiRotaryEncoderInit(ENC3);
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}
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int UiDriverEncoderRead(const uint32_t encId)
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{
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bool no_change = false;
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int pot_diff = 0;
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int32_t delta;
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if (encId < ENC_MAX)
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{
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encSel[encId].value_new = encSel[encId].tim->CNT;
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if (encSel[encId].value_old != encSel[encId].value_new)
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{
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//checking for the overflow/underflow crossing
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delta=encSel[encId].value_new - encSel[encId].value_old;
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if(delta>(ENCODER_RANGE/2))
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{
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delta-=ENCODER_RANGE+1;
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}
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else if(delta<-(ENCODER_RANGE/2))
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{
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delta+=ENCODER_RANGE+1;
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}
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}
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else
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{
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no_change = true;
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}
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// SW de-detent routine
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//left this code but think that it is useless because in our encoders (detent count)=(steps per rotation). 03.06.2018 SP9BSL
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if (no_change == false)
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{
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encSel[encId].de_detent+=abs(delta);// corrected detent behaviour
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// double counts are now processed - not count lost!
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if (encSel[encId].de_detent < USE_DETENTED_VALUE)
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{
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encSel[encId].value_old = encSel[encId].value_new; // update and skip
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no_change = true;
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}
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else
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{
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encSel[encId].de_detent = 0;
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}
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}
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// Encoder value to difference
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if (no_change == false)
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{
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pot_diff = delta;
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encSel[encId].value_old = encSel[encId].value_new;
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}
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}
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// encoders reverse
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// if(((ts.expflags1 & EXPFLAGS1_ENC123_REVERSE) && (encId < 3)) || ((ts.expflags1 & EXPFLAGS1_ENC4_REVERSE) && (encId == 3)))
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if(((ts.expflags1 & EXPFLAGS1_ENC1_REVERSE) && (encId == 0)) ||
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((ts.expflags2 & EXPFLAGS2_ENC2_REVERSE) && (encId == 1)) ||
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((ts.expflags2 & EXPFLAGS2_ENC3_REVERSE) && (encId == 2)) ||
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((ts.expflags1 & EXPFLAGS1_ENC4_REVERSE) && (encId == 3)))
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{
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pot_diff = -pot_diff;
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}
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return pot_diff;
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}
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//left for some time only for reference.
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/*
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int UiDriverEncoderRead(const uint32_t encId)
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{
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bool no_change = false;
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int pot_diff = 0;
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if (encId < ENC_MAX)
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{
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encSel[encId].value_new = encSel[encId].tim->CNT;
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// Ignore lower value flickr
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if (encSel[encId].value_new < ENCODER_FLICKR_BAND)
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{
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no_change = true;
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}
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else if (encSel[encId].value_new >
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(ENCODER_RANGE / ENCODER_LOG_D) + ENCODER_FLICKR_BAND)
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{
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no_change = true;
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}
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else if (encSel[encId].value_old == encSel[encId].value_new)
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{
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no_change = true;
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}
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// SW de-detent routine
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if (no_change == false)
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{
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encSel[encId].de_detent+=abs(encSel[encId].value_new - encSel[encId].value_old);// corrected detent behaviour
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// double counts are now processed - not count lost!
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if (encSel[encId].de_detent < USE_DETENTED_VALUE)
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{
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encSel[encId].value_old = encSel[encId].value_new; // update and skip
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no_change = true;
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}
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else
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{
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encSel[encId].de_detent = 0;
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}
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}
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// Encoder value to difference
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if (no_change == false)
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{
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pot_diff = encSel[encId].value_new - encSel[encId].value_old;
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encSel[encId].value_old = encSel[encId].value_new;
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}
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}
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return pot_diff;
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}
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*/
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