mirror of
https://github.com/betaflight/betaflight.git
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15e5f9980f
Places adcValues in non cached DTCM RAM to avoid problems when D-cache is enabled for F7 mcus.
134 lines
3 KiB
C
134 lines
3 KiB
C
/*
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* This file is part of Cleanflight and Betaflight.
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*
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* Cleanflight and Betaflight are free software. You can redistribute
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* this software and/or modify this software under the terms of the
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* GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* Cleanflight and Betaflight are distributed in the hope that they
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the 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 software.
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*
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdbool.h>
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#include <stdint.h>
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#include "platform.h"
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#include "common/utils.h"
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#ifdef USE_ADC
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#include "build/build_config.h"
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#include "build/debug.h"
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#include "drivers/adc_impl.h"
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#include "drivers/io.h"
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#include "pg/adc.h"
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#include "adc.h"
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//#define DEBUG_ADC_CHANNELS
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adcOperatingConfig_t adcOperatingConfig[ADC_CHANNEL_COUNT];
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volatile FAST_RAM_ZERO_INIT uint16_t adcValues[ADC_CHANNEL_COUNT];
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#ifdef USE_ADC_INTERNAL
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uint16_t adcTSCAL1;
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uint16_t adcTSCAL2;
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int16_t adcTSSlopeK;
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uint16_t adcVREFINTCAL;
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#endif
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uint8_t adcChannelByTag(ioTag_t ioTag)
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{
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for (uint8_t i = 0; i < ARRAYLEN(adcTagMap); i++) {
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if (ioTag == adcTagMap[i].tag)
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return adcTagMap[i].channel;
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}
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return 0;
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}
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ADCDevice adcDeviceByInstance(ADC_TypeDef *instance)
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{
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if (instance == ADC1) {
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return ADCDEV_1;
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}
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#if defined(STM32F3) || defined(STM32F4) || defined(STM32F7)
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if (instance == ADC2) {
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return ADCDEV_2;
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}
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if (instance == ADC3) {
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return ADCDEV_3;
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}
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#endif
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#ifdef STM32F3
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if (instance == ADC4) {
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return ADCDEV_4;
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}
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#endif
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return ADCINVALID;
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}
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uint16_t adcGetChannel(uint8_t channel)
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{
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#ifdef DEBUG_ADC_CHANNELS
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if (adcOperatingConfig[0].enabled) {
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debug[0] = adcValues[adcOperatingConfig[0].dmaIndex];
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}
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if (adcOperatingConfig[1].enabled) {
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debug[1] = adcValues[adcOperatingConfig[1].dmaIndex];
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}
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if (adcOperatingConfig[2].enabled) {
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debug[2] = adcValues[adcOperatingConfig[2].dmaIndex];
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}
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if (adcOperatingConfig[3].enabled) {
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debug[3] = adcValues[adcOperatingConfig[3].dmaIndex];
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}
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#endif
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return adcValues[adcOperatingConfig[channel].dmaIndex];
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}
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// Verify a pin designated by tag has connection to an ADC instance designated by device
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bool adcVerifyPin(ioTag_t tag, ADCDevice device)
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{
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if (!tag) {
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return false;
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}
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for (int map = 0 ; map < ADC_TAG_MAP_COUNT ; map++) {
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#if defined(STM32F1)
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UNUSED(device);
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if ((adcTagMap[map].tag == tag)) {
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return true;
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}
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#else
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if ((adcTagMap[map].tag == tag) && (adcTagMap[map].devices & (1 << device))) {
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return true;
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}
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#endif
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}
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return false;
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}
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#else
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uint16_t adcGetChannel(uint8_t channel)
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{
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UNUSED(channel);
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return 0;
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}
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#endif
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