kopia lustrzana https://github.com/OpenRTX/OpenRTX
Created low-level driver for management of channel selector knobs with quadrature encoder
Silvano Seva
rodzic
26eb381ca2
commit
944a597d33
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@ -34,6 +34,7 @@ openrtx_inc = ['openrtx/include',
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'platform/drivers/tones',
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'platform/drivers/baseband',
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'platform/drivers/backlight',
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'platform/drivers/chSelector',
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'openrtx/include/fonts/adafruit']
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# Add to sources either the main executable or a platform test
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@ -218,6 +219,7 @@ mduv3x0_src = src + mdx_src + stm32f405_src + ['platform/drivers/NVM/nvmem_MDUV3
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'platform/targets/MD-UV3x0/platform.c',
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'platform/drivers/keyboard/keyboard_MD3x.c',
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'platform/drivers/display/HX8353_MD3x.cpp',
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'platform/drivers/chSelector/chSelector_UV3x0.c',
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'platform/drivers/baseband/radio_UV3x0.c',
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'platform/drivers/baseband/AT1846S_UV3x0.c',
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'platform/drivers/baseband/HR_C6000_UV3x0.c',
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@ -232,6 +234,7 @@ mduv3x0_def = def + stm32f405_def + {'PLATFORM_MDUV3x0': '', 'timegm': 'mktime'}
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md9600_src = src + mdx_src + stm32f405_src + ['platform/targets/MD-9600/platform.c',
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'platform/drivers/display/ST7567_MD9600.c',
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'platform/drivers/keyboard/keyboard_MD9600.c',
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'platform/drivers/chSelector/chSelector_MD9600.c',
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'platform/drivers/baseband/radio_MD9600.c',
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'platform/drivers/NVM/nvmem_MD9600.c',
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'platform/drivers/NVM/spiFlash_MD9600.c']
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@ -0,0 +1,43 @@
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/***************************************************************************
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* Copyright (C) 2021 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Caleb Jamison *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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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 as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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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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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#ifndef CH_SELECTOR_H
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#define CH_SELECTOR_H
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/**
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* Low-level driver for correct handling of channel selector knobs connected to
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* a quadrature encoder.
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* This header file only provides the API for driver initialisation and shutdown,
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* while the readout of current encoder position is provided by target-specific
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* sources by implementating platform_getChSelector().
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*/
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/**
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* Initialise channel selector driver.
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*/
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void chSelector_init();
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/**
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* Terminate channel selector driver.
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*/
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void chSelector_terminate();
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#endif /* CH_SELECTOR_H */
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@ -0,0 +1,105 @@
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/***************************************************************************
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* Copyright (C) 2021 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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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 as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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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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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <interfaces/platform.h>
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#include <interfaces/gpio.h>
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#include <hwconfig.h>
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#include <qdec.h>
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#include "chSelector.h"
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static uint8_t last_state = 0; /* State storage */
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static int8_t knob_pos = 0; /* Knob position */
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/* Name of interrupt handler is mangled for C++ compatibility */
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void _Z20EXTI15_10_IRQHandlerv()
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{
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if(EXTI->PR & (EXTI_PR_PR10 | EXTI_PR_PR11))
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{
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/* Clear interrupt flags */
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EXTI->PR = EXTI_PR_PR10 | EXTI_PR_PR11;
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/* Read curent pin state */
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uint8_t pin_state = (gpio_readPin(CH_SELECTOR_1) << 1)
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| gpio_readPin(CH_SELECTOR_0);
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/* Look up next state */
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uint8_t next_state = HALF_STEP_STATE_TRANSITIONS[last_state][pin_state];
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/* update state for next call */
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last_state = next_state & QDECODER_STATE_BITMASK;
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/* Mask out events to switch on */
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uint8_t event = next_state & QDECODER_EVENT_BITMASK;
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/* Update knob_pos variable */
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switch(event)
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{
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case QDECODER_EVENT_CW:
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knob_pos++;
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break;
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case QDECODER_EVENT_CCW:
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knob_pos--;
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break;
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default:
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break;
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}
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}
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}
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void chSelector_init()
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{
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gpio_setMode(CH_SELECTOR_0, INPUT_PULL_UP);
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gpio_setMode(CH_SELECTOR_1, INPUT_PULL_UP);
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/*
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* Configure GPIO interrupts: encoder signal is on PB10 and PB11
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*/
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EXTI->IMR |= EXTI_IMR_MR10 | EXTI_IMR_MR11;
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EXTI->RTSR |= EXTI_RTSR_TR10 | EXTI_RTSR_TR11;
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EXTI->FTSR |= EXTI_FTSR_TR10 | EXTI_FTSR_TR11;
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SYSCFG->EXTICR[2] |= SYSCFG_EXTICR3_EXTI10_PB
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| SYSCFG_EXTICR3_EXTI11_PB;
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NVIC_ClearPendingIRQ(EXTI15_10_IRQn);
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NVIC_SetPriority(EXTI15_10_IRQn, 15);
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NVIC_EnableIRQ(EXTI15_10_IRQn);
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}
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void chSelector_terminate()
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{
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EXTI->IMR &= ~(EXTI_IMR_MR10 | EXTI_IMR_MR11);
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NVIC_DisableIRQ(EXTI15_10_IRQn);
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}
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/*
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* This function is defined in platform.h
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*/
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int8_t platform_getChSelector()
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{
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/*
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* The knob_pos variable is set in the EXTI15_10 interrupt handler
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* this is safe because interrupt nesting is not allowed.
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*/
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return knob_pos;
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}
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@ -0,0 +1,105 @@
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/***************************************************************************
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* Copyright (C) 2021 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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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 as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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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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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <interfaces/platform.h>
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#include <interfaces/gpio.h>
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#include <hwconfig.h>
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#include <qdec.h>
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#include "chSelector.h"
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static uint8_t last_state = 0; /* State storage */
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static int8_t knob_pos = 0; /* Knob position */
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/* Name of interrupt handler is mangled for C++ compatibility */
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void _Z20EXTI15_10_IRQHandlerv()
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{
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if(EXTI->PR & (EXTI_PR_PR11 | EXTI_PR_PR14))
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{
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/* Clear interrupt flags */
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EXTI->PR = EXTI_PR_PR11 | EXTI_PR_PR14;
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/* Read curent pin state */
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uint8_t pin_state = (gpio_readPin(CH_SELECTOR_1) << 1)
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| gpio_readPin(CH_SELECTOR_0);
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/* Look up next state */
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uint8_t next_state = HALF_STEP_STATE_TRANSITIONS[last_state][pin_state];
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/* update state for next call */
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last_state = next_state & QDECODER_STATE_BITMASK;
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/* Mask out events to switch on */
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uint8_t event = next_state & QDECODER_EVENT_BITMASK;
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/* Update knob_pos variable */
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switch(event)
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{
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case QDECODER_EVENT_CW:
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knob_pos++;
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break;
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case QDECODER_EVENT_CCW:
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knob_pos--;
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break;
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default:
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break;
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}
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}
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}
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void chSelector_init()
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{
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gpio_setMode(CH_SELECTOR_0, INPUT_PULL_UP);
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gpio_setMode(CH_SELECTOR_1, INPUT_PULL_UP);
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/*
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* Configure GPIO interrupts: encoder signal is on PB11 and PE14
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*/
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EXTI->IMR |= EXTI_IMR_MR11 | EXTI_IMR_MR14;
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EXTI->RTSR |= EXTI_RTSR_TR11 | EXTI_RTSR_TR14;
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EXTI->FTSR |= EXTI_FTSR_TR11 | EXTI_FTSR_TR14;
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SYSCFG->EXTICR[2] |= SYSCFG_EXTICR3_EXTI11_PB;
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SYSCFG->EXTICR[3] |= SYSCFG_EXTICR4_EXTI14_PE;
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NVIC_ClearPendingIRQ(EXTI15_10_IRQn);
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NVIC_SetPriority(EXTI15_10_IRQn, 15);
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NVIC_EnableIRQ(EXTI15_10_IRQn);
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}
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void chSelector_terminate()
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{
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EXTI->IMR &= ~(EXTI_IMR_MR1 | EXTI_IMR_MR14);
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NVIC_DisableIRQ(EXTI15_10_IRQn);
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}
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/*
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* This function is defined in platform.h
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*/
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int8_t platform_getChSelector()
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{
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/*
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* The knob_pos variable is set in the EXTI15_10 interrupt handler
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* this is safe because interrupt nesting is not allowed.
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*/
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return knob_pos;
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}
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@ -28,6 +28,7 @@
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#include <toneGenerator_MDx.h>
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#include <interfaces/rtc.h>
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#include <SPI2.h>
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#include <chSelector.h>
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hwInfo_t hwInfo;
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@ -76,6 +77,7 @@ void platform_init()
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toneGen_init(); /* Initialise tone generator */
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rtc_init(); /* Initialise RTC */
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backlight_init(); /* Initialise backlight driver */
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chSelector_init(); /* Initialise channel selector handler */
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}
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void platform_terminate()
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@ -87,6 +89,7 @@ void platform_terminate()
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adc1_terminate();
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toneGen_terminate();
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rtc_terminate();
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chSelector_terminate();
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/* Finally, remove power supply */
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gpio_clearPin(PWR_SW);
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@ -112,15 +115,6 @@ float platform_getVolumeLevel()
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return 0.0f;
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}
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int8_t platform_getChSelector()
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{
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static const uint8_t rsPositions[] = { 1, 4, 2, 3};
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int pos = gpio_readPin(CH_SELECTOR_0)
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| (gpio_readPin(CH_SELECTOR_1) << 1);
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return rsPositions[pos];
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}
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bool platform_getPttStatus()
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{
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/* PTT line has a pullup resistor with PTT switch closing to ground */
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@ -160,6 +154,12 @@ const hwInfo_t *platform_getHwInfo()
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return &hwInfo;
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}
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/*
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* NOTE: implementation of this API function is provided in
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* platform/drivers/chSelector/chSelector_MD9600.c
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*/
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// int8_t platform_getChSelector()
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/*
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* NOTE: implementation of this API function is provided in
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* platform/drivers/backlight/backlight_MDx.c
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@ -25,7 +25,7 @@
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#include <calibInfo_MDx.h>
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#include <interfaces/nvmem.h>
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#include <interfaces/rtc.h>
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#include <qdec.h>
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#include <chSelector.h>
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#ifdef ENABLE_BKLIGHT_DIMMING
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#include <backlight.h>
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@ -33,43 +33,6 @@
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mduv3x0Calib_t calibration;
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hwInfo_t hwInfo;
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static int8_t knob_pos = 0;
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/*
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* Note that this interrupt handler currently assumes only the encoder will
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* ever cause this interrupt to fire
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*/
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void _Z20EXTI15_10_IRQHandlerv()
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{
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/* State storage */
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static uint8_t last_state = 0;
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/* Read curent pin state */
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uint8_t pin_state = gpio_readPin(CH_SELECTOR_1)<<1 | gpio_readPin(CH_SELECTOR_0);
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/* Look up next state */
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uint8_t next_state = HALF_STEP_STATE_TRANSITIONS[last_state][pin_state];
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/* update state for next call */
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last_state = next_state & QDECODER_STATE_BITMASK;
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/* Mask out events to switch on */
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uint8_t event = next_state & QDECODER_EVENT_BITMASK;
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/* Update file global knob_pos variable */
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switch (event)
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{
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case QDECODER_EVENT_CW:
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knob_pos++;
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break;
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case QDECODER_EVENT_CCW:
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knob_pos--;
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break;
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default:
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break;
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}
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/* Clear pin change flags */
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EXTI->PR = EXTI_PR_PR11 | EXTI_PR_PR14;
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}
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void platform_init()
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{
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@ -77,20 +40,6 @@ void platform_init()
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gpio_setMode(GREEN_LED, OUTPUT);
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gpio_setMode(RED_LED, OUTPUT);
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gpio_setMode(CH_SELECTOR_0, INPUT_PULL_UP);
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gpio_setMode(CH_SELECTOR_1, INPUT_PULL_UP);
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EXTI->IMR |= EXTI_IMR_MR11 | EXTI_IMR_MR14;
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EXTI->RTSR |= EXTI_RTSR_TR11 | EXTI_RTSR_TR14;
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EXTI->FTSR |= EXTI_FTSR_TR11 | EXTI_FTSR_TR14;
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SYSCFG->EXTICR[2] |= SYSCFG_EXTICR3_EXTI11_PB;
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SYSCFG->EXTICR[3] |= SYSCFG_EXTICR4_EXTI14_PE;
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NVIC_ClearPendingIRQ(EXTI15_10_IRQn);
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NVIC_SetPriority(EXTI15_10_IRQn, 15);
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NVIC_EnableIRQ(EXTI15_10_IRQn);
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gpio_setMode(PTT_SW, INPUT_PULL_UP);
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gpio_setMode(PWR_SW, OUTPUT);
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@ -108,6 +57,7 @@ void platform_init()
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nvm_readCalibData(&calibration); /* Load calibration data */
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nvm_loadHwInfo(&hwInfo); /* Load hardware information data */
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rtc_init(); /* Initialise RTC */
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chSelector_init(); /* Initialise channel selector handler */
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#ifdef ENABLE_BKLIGHT_DIMMING
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backlight_init(); /* Initialise backlight driver */
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@ -134,6 +84,7 @@ void platform_terminate()
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adc1_terminate();
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nvm_terminate();
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rtc_terminate();
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chSelector_terminate();
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/* Finally, remove power supply */
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gpio_clearPin(PWR_SW);
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@ -159,15 +110,6 @@ float platform_getVolumeLevel()
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return adc1_getMeasurement(ADC_VOL_CH);
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}
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int8_t platform_getChSelector()
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{
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/*
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* The knob_pos variable is set in the EXTI15_10 interrupt handler
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* this is safe because interrupt nesting is not allowed.
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*/
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return knob_pos;
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}
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bool platform_getPttStatus()
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{
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/* PTT line has a pullup resistor with PTT switch closing to ground */
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@ -229,6 +171,12 @@ const hwInfo_t *platform_getHwInfo()
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return &hwInfo;
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}
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/*
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* NOTE: implementation of this API function is provided in
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* platform/drivers/chSelector/chSelector_MDUV3x0.c
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*/
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// int8_t platform_getChSelector()
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/*
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* NOTE: when backligth dimming is enabled, the implementation of this API
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* function is provided in platform/drivers/backlight/backlight_MDx.c to avoid
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Ładowanie…
Reference in New Issue