deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

ADC wrapper for the Zoul-based platforms, allows to add analogue sensors over the existing adc interface

Browse source
This commit is contained in:
Antonio Lignan 2016-01-12 01:04:21 +01:00
parent 66719ef2e2
commit 503abb4415
13 changed files with 678 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

34
platform/zoul/dev/adc-sensors.h
View file

@ -82,12 +82,19 @@
#define ADC_SENSORS "ADC sensors"
#define ADC_SENSORS_PORT_BASE GPIO_PORT_TO_BASE(ADC_SENSORS_PORT)
#ifdef ADC_SENSORS_CONF_REFERENCE
#define ADC_SENSORS_REFERENCE ADC_SENSORS_CONF_REFERENCE
#else
#define ADC_SENSORS_REFERENCE SOC_ADC_ADCCON_REF_AVDD5
#endif
/*
* PA0-PA3 are hardcoded to UART0 and the user button for most Zolertia
* platforms, the following assumes PA0 shall not be used as ADC input, else
* platforms, the following assumes PA0-1 shall not be used as ADC input, else
* re-write the below definitions
*/
#define ZOUL_SENSORS_ADC_MIN 2
#define ZOUL_SENSORS_ADC_MIN 2 /**< PA1 pin mask */
/* ADC phidget-like connector ADC1 */
#if ADC_SENSORS_ADC1_PIN >= ZOUL_SENSORS_ADC_MIN
#define ZOUL_SENSORS_ADC1 GPIO_PIN_MASK(ADC_SENSORS_ADC1_PIN)
@ -106,20 +113,25 @@
#else
#define ZOUL_SENSORS_ADC3 0
#endif
/* ADC phidget-like connector ADC4 */
#if ADC_SENSORS_ADC4_PIN >= ZOUL_SENSORS_ADC_MIN
#define ZOUL_SENSORS_ADC4 GPIO_PIN_MASK(ADC_SENSORS_ADC4_PIN)
#else
#define ZOUL_SENSORS_ADC4 0
#endif
/* ADC phidget-like connector ADC5 */
#if ADC_SENSORS_ADC5_PIN >= ZOUL_SENSORS_ADC_MIN
#define ZOUL_SENSORS_ADC5 GPIO_PIN_MASK(ADC_SENSORS_ADC5_PIN)
#else
#define ZOUL_SENSORS_ADC5 0
#endif
/*
* This is safe as the disabled sensors should have a zero value thus not
* affecting the mask operations
*/
/* Enable all channels */
#define ZOUL_SENSORS_ADC_ALL (ZOUL_SENSORS_ADC1 + ZOUL_SENSORS_ADC2 + \
ZOUL_SENSORS_ADC3)
/* Other allowed combinations */
#define ZOUL_SENSORS_ADC12 (ZOUL_SENSORS_ADC1 + ZOUL_SENSORS_ADC2)
#define ZOUL_SENSORS_ADC13 (ZOUL_SENSORS_ADC1 + ZOUL_SENSORS_ADC3)
#define ZOUL_SENSORS_ADC23 (ZOUL_SENSORS_ADC2 + ZOUL_SENSORS_ADC3)
ZOUL_SENSORS_ADC3 + ZOUL_SENSORS_ADC4 + \
ZOUL_SENSORS_ADC5)
/** @} */
/*---------------------------------------------------------------------------*/
extern const struct sensors_sensor adc_sensors;