Merge pull request #1520 from Zolertia/adc-fixed-channels
Added enabling up to 6 ADC channels and fixed adc-zoul driver problem.
This commit is contained in:
Antonio Lignan
commit
520519860e
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@ -218,9 +218,9 @@ main(void)
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#endif /* NETSTACK_CONF_WITH_IPV6 */
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process_start(&sensors_process, NULL);
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#if PLATFOM_HAS_BUTTON
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SENSORS_ACTIVATE(button_sensor);
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#endif
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energest_init();
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ENERGEST_ON(ENERGEST_TYPE_CPU);
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@ -175,7 +175,7 @@ configure(int type, int value)
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return ADC_WRAPPER_ERROR;
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}
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if((value < 0x01) || (value > 0x07) || (value == BUTTON_USER_PIN)) {
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if((value < 0x01) || (value > 0x07) || ((value == BUTTON_USER_PIN) && (ADC_SENSORS_ADC6_PIN < 0))) {
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PRINTF("ADC sensors: invalid pin value, (PA0-PA1, PA3) are reserved\n");
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return ADC_WRAPPER_ERROR;
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}
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@ -93,6 +93,9 @@ get_channel_pin(int type)
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if((ZOUL_SENSORS_ADC5) && (type == ZOUL_SENSORS_ADC5)) {
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return SOC_ADC_ADCCON_CH_AIN0 + ADC_SENSORS_ADC5_PIN;
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}
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if((ZOUL_SENSORS_ADC6) && (type == ZOUL_SENSORS_ADC6)) {
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return SOC_ADC_ADCCON_CH_AIN0 + ADC_SENSORS_ADC6_PIN;
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}
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return ZOUL_SENSORS_ERROR;
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}
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/*---------------------------------------------------------------------------*/
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@ -154,9 +157,12 @@ configure(int type, int value)
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if(value & ZOUL_SENSORS_ADC5) {
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ioc_set_over(GPIO_A_NUM, ADC_SENSORS_ADC5_PIN, IOC_OVERRIDE_ANA);
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}
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if(value & ZOUL_SENSORS_ADC6) {
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ioc_set_over(GPIO_A_NUM, ADC_SENSORS_ADC6_PIN, IOC_OVERRIDE_ANA);
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}
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adc_init();
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set_decimation_rate(SOC_ADC_ADCCON_DIV_512);
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enabled_channels = value;
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enabled_channels += value;
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break;
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case ZOUL_SENSORS_CONFIGURE_TYPE_DECIMATION_RATE:
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@ -38,7 +38,9 @@
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*
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* Driver for the Zoul ADC interface
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*
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* This driver supports analogue sensors connected to ADC1, ADC2 and AND3 inputs
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* This driver supports analogue sensors connected to ADC1, ADC2, ADC3,
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* ADC4, ADC5 and ADC6 inputs. ADC6 is shared with the user button, so disable
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* user button if ADC6 is needed.
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* This is controlled by the type argument of the value() function. Possible
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* choices are:
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*
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@ -47,6 +49,7 @@
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* - ZOUL_SENSORS_ADC3
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* - ZOUL_SENSORS_ADC4
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* - ZOUL_SENSORS_ADC5
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* - ZOUL_SENSORS_ADC6
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*
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* To initialize the ADC sensors use the configure() function, using as first
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* argument SENSORS_HW_INIT, and choose which ADC channels to enable passing as
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@ -128,13 +131,20 @@
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#else
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#define ZOUL_SENSORS_ADC5 0
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#endif
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/* ADC phidget-like connector ADC6 */
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#if ADC_SENSORS_ADC6_PIN >= ZOUL_SENSORS_ADC_MIN
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#define ZOUL_SENSORS_ADC6 GPIO_PIN_MASK(ADC_SENSORS_ADC6_PIN)
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#else
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#define ZOUL_SENSORS_ADC6 0
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#endif
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/*
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* This is safe as the disabled sensors should have a zero value thus not
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* affecting the mask operations
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*/
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#define ZOUL_SENSORS_ADC_ALL (ZOUL_SENSORS_ADC1 + ZOUL_SENSORS_ADC2 + \
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ZOUL_SENSORS_ADC3 + ZOUL_SENSORS_ADC4 + \
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ZOUL_SENSORS_ADC5)
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ZOUL_SENSORS_ADC5 + ZOUL_SENSORS_ADC6)
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/** @} */
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/*---------------------------------------------------------------------------*/
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extern const struct sensors_sensor adc_zoul;
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@ -47,7 +47,12 @@
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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/** \brief Exports global symbols for the sensor API */
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SENSORS(&button_sensor, &vdd3_sensor, &cc2538_temp_sensor);
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SENSORS(&vdd3_sensor,
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#if PLATFORM_HAS_BUTTON
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&button_sensor,
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#endif
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&cc2538_temp_sensor
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);
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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@ -168,6 +168,92 @@
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#define UART1_RTS_PIN (-1) /**< 0 */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name ADC configuration
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*
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* These values configure which CC2538 pins and ADC channels to use for the ADC
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* inputs. There pins are suggested as they can be changed, but note that only
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* pins from PA can be configured as ADC.
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*
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* - ADC1: up to 3.3V.
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* - ADC2: up to 3.3V.
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* - ADC3: up to 3.3V.
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* - ADC4: up to 3.3V.
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* - ADC5: up to 3.3V.
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* - ADC6: up to 3.3V, shared with user button.
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*
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* Only ADC1 and ADC3 are enabled as default.
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*
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* The internal ADC reference is 1190mV, use either a voltage divider as input,
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* or a different voltage reference, like AVDD5 or other externally (AIN7 or
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* AIN6).
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* @{
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*/
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#define ADC_SENSORS_PORT GPIO_A_NUM /**< ADC GPIO control port */
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#ifndef ADC_SENSORS_CONF_ADC1_PIN
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#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5 */
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#else
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#if ((ADC_SENSORS_CONF_ADC1_PIN != -1) && (ADC_SENSORS_CONF_ADC1_PIN != 5))
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#error "ADC1 channel should be mapped to PA5 or disabled with -1"
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#else
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#define ADC_SENSORS_ADC1_PIN ADC_SENSORS_CONF_ADC1_PIN
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#endif
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#endif
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#ifndef ADC_SENSORS_CONF_ADC2_PIN
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#define ADC_SENSORS_ADC2_PIN 4 /**< ADC2 to PA4 */
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#else
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#if ((ADC_SENSORS_CONF_ADC2_PIN != -1) && (ADC_SENSORS_CONF_ADC2_PIN != 4))
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#error "ADC2 channel should be mapped to PA4 or disabled with -1"
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#else
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#define ADC_SENSORS_ADC2_PIN ADC_SENSORS_CONF_ADC2_PIN
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#endif
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#endif
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#ifndef ADC_SENSORS_CONF_ADC3_PIN
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#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2 */
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#else
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#if ((ADC_SENSORS_CONF_ADC3_PIN != -1) && (ADC_SENSORS_CONF_ADC3_PIN != 2))
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#error "ADC3 channel should be mapped to PA2 or disabled with -1"
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#else
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#define ADC_SENSORS_ADC3_PIN ADC_SENSORS_CONF_ADC3_PIN
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#endif
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#endif
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#ifndef ADC_SENSORS_CONF_ADC4_PIN
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#define ADC_SENSORS_ADC4_PIN 6 /**< ADC4 to PA6 */
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#else
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#if ((ADC_SENSORS_CONF_ADC4_PIN != -1) && (ADC_SENSORS_CONF_ADC4_PIN != 6))
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#error "ADC4 channel should be mapped to PA6 or disabled with -1"
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#else
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#define ADC_SENSORS_ADC4_PIN ADC_SENSORS_CONF_ADC4_PIN
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#endif
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#endif
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#ifndef ADC_SENSORS_CONF_ADC5_PIN
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#define ADC_SENSORS_ADC5_PIN 7 /**< ADC5 to PA7 */
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#else
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#if ((ADC_SENSORS_CONF_ADC5_PIN != -1) && (ADC_SENSORS_CONF_ADC5_PIN != 7))
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#error "ADC5 channel should be mapped to PA7 or disabled with -1"
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#else
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#define ADC_SENSORS_ADC5_PIN ADC_SENSORS_CONF_ADC5_PIN
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#endif
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#endif
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#ifndef ADC_SENSORS_CONF_ADC6_PIN
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#define ADC_SENSORS_ADC6_PIN (-1) /**< ADC6 not declared */
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#else
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#define ADC_SENSORS_ADC6_PIN 3 /**< Hard-coded to PA3 */
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#endif
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#ifndef ADC_SENSORS_CONF_MAX
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#define ADC_SENSORS_MAX 5 /**< Maximum sensors */
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#else
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#define ADC_SENSORS_MAX ADC_SENSORS_CONF_MAX
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#endif
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name Firefly Button configuration
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*
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* Buttons on the Firefly are connected as follows:
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@ -180,31 +266,19 @@
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#define BUTTON_USER_PIN 3
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#define BUTTON_USER_VECTOR NVIC_INT_GPIO_PORT_A
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/* Notify various examples that we have Buttons */
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#define PLATFORM_HAS_BUTTON 1
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name ADC configuration
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*
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* These values configure which CC2538 pins and ADC channels to use for the ADC
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* inputs. There pins are suggested as they can be changed, but note that only
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* pins from PA can be configured as ADC.
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*
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* The Firefly, as it is, only allows 3.3VDC sensors.
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*
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* The internal ADC reference is 1190mV, use either a voltage divider as input,
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* or a different voltage reference, like AVDD5 or other externally (AIN7 or
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* AIN6).
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* @{
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/* Notify various examples that we have an user button.
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* If ADC6 channel is used, then disable the user button
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*/
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#define ADC_SENSORS_PORT GPIO_A_NUM /**< ADC GPIO control port */
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#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5, 3V3 */
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#define ADC_SENSORS_ADC2_PIN 4 /**< ADC2 to PA4, 3V3 */
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#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2, 3V3 */
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#define ADC_SENSORS_ADC4_PIN 6 /**< ADC4 to PA6, 3V3 */
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#define ADC_SENSORS_ADC5_PIN 7 /**< ADC5 to PA7, 3V3 */
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#define ADC_SENSORS_MAX 5 /**< PA2, PA4, PA5, PA6, PA7 */
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#ifdef PLATFORM_CONF_WITH_BUTTON
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#if (PLATFORM_CONF_WITH_BUTTON && (ADC_SENSORS_ADC6_PIN == 3))
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#error "The ADC6 (PA3) and user button cannot be enabled at the same time"
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#else
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#define PLATFORM_HAS_BUTTON (PLATFORM_CONF_WITH_BUTTON && \
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!(ADC_SENSORS_ADC6_PIN == 3))
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#endif /* (PLATFORM_CONF_WITH_BUTTON && (ADC_SENSORS_ADC6_PIN == 3)) */
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#else
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#define PLATFORM_HAS_BUTTON !(ADC_SENSORS_ADC6_PIN == 3)
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#endif /* PLATFORM_CONF_WITH_BUTTON */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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@ -171,23 +171,6 @@
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#define UART1_RTS_PIN (-1)
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name RE-Mote Button configuration
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*
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* Buttons on the RE-Mote are connected as follows:
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* - BUTTON_USER -> PA3, S1 user button, shared with bootloader and RTC_INT1
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* - BUTTON_RESET -> RESET_N line, S2 reset both CC2538 and CoP
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* - BUTTON_PIC1W -> shared with SHUTDOWN_ENABLE, not mounted.
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* @{
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*/
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/** BUTTON_USER -> PA3 */
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#define BUTTON_USER_PORT GPIO_A_NUM
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#define BUTTON_USER_PIN 3
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#define BUTTON_USER_VECTOR NVIC_INT_GPIO_PORT_A
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/* Notify various examples that we have Buttons */
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#define PLATFORM_HAS_BUTTON 1
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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* \name ADC configuration
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*
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@ -201,6 +184,12 @@
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* - ADC2: up to 3.3V, shared with RTC_INT
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* - ADC3: up to 5V, by means of a 2/3 voltage divider.
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*
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* Also there are other ADC channels shared by default with Micro SD card and
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* user button implementations:
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* - ADC4: up to 3.3V.
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* - ADC5: up to 3.3V.
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* - ADC6: up to 3.3V.
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*
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* ADC inputs can only be on port A.
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* All ADCx are exposed in JP5 connector, but only ADC1 and ADC3 have GND and
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* VDD (3/5V) pins next to it, so these can be exposed into a 3-pin phidget-like
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@ -216,12 +205,84 @@
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* @{
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*/
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#define ADC_SENSORS_PORT GPIO_A_NUM /**< ADC GPIO control port */
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#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5, 3V3 */
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#define ADC_SENSORS_ADC2_PIN (-1) /**< ADC2 to PA4, 3V3 */
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#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2, 5V0 */
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#define ADC_SENSORS_ADC4_PIN (-1) /**< Not present */
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#define ADC_SENSORS_ADC5_PIN (-1) /**< Not present */
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#define ADC_SENSORS_MAX 2 /**< PA2, PA5 */
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#ifndef ADC_SENSORS_CONF_ADC1_PIN
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#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5, 3V3 */
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#else
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#if ((ADC_SENSORS_CONF_ADC1_PIN != -1) && (ADC_SENSORS_CONF_ADC1_PIN != 5))
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#error "ADC1 channel should be mapped to PA5 or disabled with -1"
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#else
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#define ADC_SENSORS_ADC1_PIN ADC_SENSORS_CONF_ADC1_PIN
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#endif
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#endif
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#ifndef ADC_SENSORS_CONF_ADC3_PIN
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#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2, 5V */
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#else
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#if ((ADC_SENSORS_CONF_ADC3_PIN != -1) && (ADC_SENSORS_CONF_ADC3_PIN != 2))
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#error "ADC3 channel should be mapped to PA2 or disabled with -1"
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#else
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#define ADC_SENSORS_ADC3_PIN ADC_SENSORS_CONF_ADC3_PIN
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#endif
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#endif
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#ifndef ADC_SENSORS_CONF_ADC2_PIN
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#define ADC_SENSORS_ADC2_PIN (-1) /**< ADC2 no declared */
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#else
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#define ADC_SENSORS_ADC2_PIN 4 /**< Hard-coded to PA4 */
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#endif
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#ifndef ADC_SENSORS_CONF_ADC4_PIN
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#define ADC_SENSORS_ADC4_PIN (-1) /**< ADC4 not declared */
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#else
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#define ADC_SENSORS_ADC4_PIN 6 /**< Hard-coded to PA6 */
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#endif
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#ifndef ADC_SENSORS_CONF_ADC5_PIN
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#define ADC_SENSORS_ADC5_PIN (-1) /**< ADC5 not declared */
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#else
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#define ADC_SENSORS_ADC5_PIN 7 /**< Hard-coded to PA7 */
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#endif
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#ifndef ADC_SENSORS_CONF_ADC6_PIN
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#define ADC_SENSORS_ADC6_PIN (-1) /**< ADC6 not declared */
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#else
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#define ADC_SENSORS_ADC6_PIN 3 /**< Hard-coded to PA3 */
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#endif
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#ifndef ADC_SENSORS_CONF_MAX
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#define ADC_SENSORS_MAX 2 /**< Maximum sensors */
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#else
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#define ADC_SENSORS_MAX ADC_SENSORS_CONF_MAX
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#endif
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name RE-Mote Button configuration
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*
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* Buttons on the RE-Mote are connected as follows:
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* - BUTTON_USER -> PA3, S1 user button, shared with bootloader and RTC_INT1
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* - BUTTON_RESET -> RESET_N line, S2 reset both CC2538 and CoP
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* - BUTTON_PIC1W -> shared with SHUTDOWN_ENABLE, not mounted.
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* @{
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*/
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/** BUTTON_USER -> PA3 */
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#define BUTTON_USER_PORT GPIO_A_NUM
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#define BUTTON_USER_PIN 3
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#define BUTTON_USER_VECTOR NVIC_INT_GPIO_PORT_A
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/* Notify various examples that we have an user button.
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* If ADC6 channel is used, then disable the user button
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*/
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#ifdef PLATFORM_CONF_WITH_BUTTON
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#if (PLATFORM_CONF_WITH_BUTTON && (ADC_SENSORS_ADC6_PIN == 3))
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#error "The ADC6 (PA3) and user button cannot be enabled at the same time"
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#else
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#define PLATFORM_HAS_BUTTON (PLATFORM_CONF_WITH_BUTTON && \
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!(ADC_SENSORS_ADC6_PIN == 3))
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#endif /* (PLATFORM_CONF_WITH_BUTTON && (ADC_SENSORS_ADC6_PIN == 3)) */
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#else
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#define PLATFORM_HAS_BUTTON !(ADC_SENSORS_ADC6_PIN == 3)
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#endif /* PLATFORM_CONF_WITH_BUTTON */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/**
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