src/main/drivers/adc.c

   1 /*
   2  * This file is part of Cleanflight.
   3  *
   4  * Cleanflight is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Cleanflight is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <stdbool.h>
  19 #include <stdint.h>
  20
  21 #include "platform.h"
  22 #include "build_config.h"
  23 #include "debug.h"
  24
  25 #include "system.h"
  26
  27 #include "adc.h"
  28 #include "adc_impl.h"
  29
  30 //#define DEBUG_ADC_CHANNELS
  31
  32 #ifdef USE_ADC
  33 adc_config_t adcConfig[ADC_CHANNEL_COUNT];
  34 volatile uint16_t adcValues[ADC_CHANNEL_COUNT];
  35
  36
  37 uint16_t adcGetChannel(uint8_t channel)
  38 {
  39 #ifdef DEBUG_ADC_CHANNELS
  40     if (adcConfig[0].enabled) {
  41         debug[0] = adcValues[adcConfig[0].dmaIndex];
  42     }
  43     if (adcConfig[1].enabled) {
  44         debug[1] = adcValues[adcConfig[1].dmaIndex];
  45     }
  46     if (adcConfig[2].enabled) {
  47         debug[2] = adcValues[adcConfig[2].dmaIndex];
  48     }
  49     if (adcConfig[3].enabled) {
  50         debug[3] = adcValues[adcConfig[3].dmaIndex];
  51     }
  52 #endif
  53     return adcValues[adcConfig[channel].dmaIndex];
  54 }
  55
  56 #else
  57 uint16_t adcGetChannel(uint8_t channel)
  58 {
  59     UNUSED(channel);
  60     return 0;
  61 }
  62 #endif