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Allow to use up to 6xADC channels (now hardcoded), disabling the user button

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(PA3) if ADC6 is enabled
This commit is contained in:
Toni Lozano 2016-04-04 10:48:43 +02:00
parent fb31d8d641
commit a81b4007b0
7 changed files with 210 additions and 54 deletions
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4
platform/zoul/contiki-main.c
View file

@ -218,9 +218,9 @@ main(void)
#endif /* NETSTACK_CONF_WITH_IPV6 */
process_start(&sensors_process, NULL);
#if PLATFOM_HAS_BUTTON
SENSORS_ACTIVATE(button_sensor);
#endif
energest_init();
ENERGEST_ON(ENERGEST_TYPE_CPU);

2
platform/zoul/dev/adc-sensors.c
View file

@ -175,7 +175,7 @@ configure(int type, int value)
return ADC_WRAPPER_ERROR;
}
if((value < 0x01) || (value > 0x07) || (value == BUTTON_USER_PIN)) {
if((value < 0x01) || (value > 0x07) || ((value == BUTTON_USER_PIN) && (ADC_SENSORS_ADC6_PIN < 0))) {
PRINTF("ADC sensors: invalid pin value, (PA0-PA1, PA3) are reserved\n");
return ADC_WRAPPER_ERROR;
}

8
platform/zoul/dev/adc-zoul.c
View file

@ -93,6 +93,9 @@ get_channel_pin(int type)
if((ZOUL_SENSORS_ADC5) && (type == ZOUL_SENSORS_ADC5)) {
return SOC_ADC_ADCCON_CH_AIN0 + ADC_SENSORS_ADC5_PIN;
}
if((ZOUL_SENSORS_ADC6) && (type == ZOUL_SENSORS_ADC6)) {
return SOC_ADC_ADCCON_CH_AIN0 + ADC_SENSORS_ADC6_PIN;
}
return ZOUL_SENSORS_ERROR;
}
/*---------------------------------------------------------------------------*/
@ -154,9 +157,12 @@ configure(int type, int value)
if(value & ZOUL_SENSORS_ADC5) {
ioc_set_over(GPIO_A_NUM, ADC_SENSORS_ADC5_PIN, IOC_OVERRIDE_ANA);
}
if(value & ZOUL_SENSORS_ADC6) {
ioc_set_over(GPIO_A_NUM, ADC_SENSORS_ADC6_PIN, IOC_OVERRIDE_ANA);
}
adc_init();
set_decimation_rate(SOC_ADC_ADCCON_DIV_512);
enabled_channels = value;
enabled_channels += value;
break;
case ZOUL_SENSORS_CONFIGURE_TYPE_DECIMATION_RATE:

14
platform/zoul/dev/adc-zoul.h
View file

@ -38,7 +38,9 @@
*
* Driver for the Zoul ADC interface
*
* This driver supports analogue sensors connected to ADC1, ADC2 and AND3 inputs
* This driver supports analogue sensors connected to ADC1, ADC2, ADC3,
* ADC4, ADC5 and ADC6 inputs. ADC6 is shared with the user button, so disable
* user button if ADC6 is needed.
* This is controlled by the type argument of the value() function. Possible
* choices are:
*
@ -47,6 +49,7 @@
* - ZOUL_SENSORS_ADC3
* - ZOUL_SENSORS_ADC4
* - ZOUL_SENSORS_ADC5
* - ZOUL_SENSORS_ADC6
*
* To initialize the ADC sensors use the configure() function, using as first
* argument SENSORS_HW_INIT, and choose which ADC channels to enable passing as
@ -128,13 +131,20 @@
#else
#define ZOUL_SENSORS_ADC5 0
#endif
/* ADC phidget-like connector ADC6 */
#if ADC_SENSORS_ADC6_PIN >= ZOUL_SENSORS_ADC_MIN
#define ZOUL_SENSORS_ADC6 GPIO_PIN_MASK(ADC_SENSORS_ADC6_PIN)
#else
#define ZOUL_SENSORS_ADC6 0
#endif
/*
* This is safe as the disabled sensors should have a zero value thus not
* affecting the mask operations
*/
#define ZOUL_SENSORS_ADC_ALL (ZOUL_SENSORS_ADC1 + ZOUL_SENSORS_ADC2 + \
ZOUL_SENSORS_ADC3 + ZOUL_SENSORS_ADC4 + \
ZOUL_SENSORS_ADC5)
ZOUL_SENSORS_ADC5 + ZOUL_SENSORS_ADC6)
/** @} */
/*---------------------------------------------------------------------------*/
extern const struct sensors_sensor adc_zoul;

7
platform/zoul/dev/zoul-sensors.c
View file

@ -47,7 +47,12 @@
#include <string.h>
/*---------------------------------------------------------------------------*/
/** \brief Exports global symbols for the sensor API */
SENSORS(&button_sensor, &vdd3_sensor, &cc2538_temp_sensor);
SENSORS(&vdd3_sensor,
#if PLATFORM_HAS_BUTTON
&button_sensor,
#endif
&cc2538_temp_sensor
);
/*---------------------------------------------------------------------------*/
/**
* @}

122
platform/zoul/firefly/board.h
View file

@ -168,6 +168,92 @@
#define UART1_RTS_PIN (-1) /**< 0 */
/** @} */
/*---------------------------------------------------------------------------*/
/**
* \name ADC configuration
*
* These values configure which CC2538 pins and ADC channels to use for the ADC
* inputs. There pins are suggested as they can be changed, but note that only
* pins from PA can be configured as ADC.
*
* - ADC1: up to 3.3V.
* - ADC2: up to 3.3V.
* - ADC3: up to 3.3V.
* - ADC4: up to 3.3V.
* - ADC5: up to 3.3V.
* - ADC6: up to 3.3V, shared with user button.
*
* Only ADC1 and ADC3 are enabled as default.
*
* The internal ADC reference is 1190mV, use either a voltage divider as input,
* or a different voltage reference, like AVDD5 or other externally (AIN7 or
* AIN6).
* @{
*/
#define ADC_SENSORS_PORT GPIO_A_NUM /**< ADC GPIO control port */
#ifndef ADC_SENSORS_CONF_ADC1_PIN
#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5 */
#else
#if ((ADC_SENSORS_CONF_ADC1_PIN != -1) && (ADC_SENSORS_CONF_ADC1_PIN != 5))
#error "ADC1 channel should be mapped to PA5 or disabled with -1"
#else
#define ADC_SENSORS_ADC1_PIN ADC_SENSORS_CONF_ADC1_PIN
#endif
#endif
#ifndef ADC_SENSORS_CONF_ADC2_PIN
#define ADC_SENSORS_ADC2_PIN 4 /**< ADC2 to PA4 */
#else
#if ((ADC_SENSORS_CONF_ADC2_PIN != -1) && (ADC_SENSORS_CONF_ADC2_PIN != 4))
#error "ADC2 channel should be mapped to PA4 or disabled with -1"
#else
#define ADC_SENSORS_ADC2_PIN ADC_SENSORS_CONF_ADC2_PIN
#endif
#endif
#ifndef ADC_SENSORS_CONF_ADC3_PIN
#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2 */
#else
#if ((ADC_SENSORS_CONF_ADC3_PIN != -1) && (ADC_SENSORS_CONF_ADC3_PIN != 2))
#error "ADC3 channel should be mapped to PA2 or disabled with -1"
#else
#define ADC_SENSORS_ADC3_PIN ADC_SENSORS_CONF_ADC3_PIN
#endif
#endif
#ifndef ADC_SENSORS_CONF_ADC4_PIN
#define ADC_SENSORS_ADC4_PIN 6 /**< ADC4 to PA6 */
#else
#if ((ADC_SENSORS_CONF_ADC4_PIN != -1) && (ADC_SENSORS_CONF_ADC4_PIN != 6))
#error "ADC4 channel should be mapped to PA6 or disabled with -1"
#else
#define ADC_SENSORS_ADC4_PIN ADC_SENSORS_CONF_ADC4_PIN
#endif
#endif
#ifndef ADC_SENSORS_CONF_ADC5_PIN
#define ADC_SENSORS_ADC5_PIN 7 /**< ADC5 to PA7 */
#else
#if ((ADC_SENSORS_CONF_ADC5_PIN != -1) && (ADC_SENSORS_CONF_ADC5_PIN != 7))
#error "ADC5 channel should be mapped to PA7 or disabled with -1"
#else
#define ADC_SENSORS_ADC5_PIN ADC_SENSORS_CONF_ADC5_PIN
#endif
#endif
#ifndef ADC_SENSORS_CONF_ADC6_PIN
#define ADC_SENSORS_ADC6_PIN (-1) /**< ADC6 not declared */
#else
#define ADC_SENSORS_ADC6_PIN 3 /**< Hard-coded to PA3 */
#endif
#ifndef ADC_SENSORS_CONF_MAX
#define ADC_SENSORS_MAX 5 /**< Maximum sensors */
#else
#define ADC_SENSORS_MAX ADC_SENSORS_CONF_MAX
#endif
/** @} */
/*---------------------------------------------------------------------------*/
/** \name Firefly Button configuration
*
* Buttons on the Firefly are connected as follows:
@ -180,31 +266,19 @@
#define BUTTON_USER_PIN 3
#define BUTTON_USER_VECTOR NVIC_INT_GPIO_PORT_A
/* Notify various examples that we have Buttons */
#define PLATFORM_HAS_BUTTON 1
/** @} */
/*---------------------------------------------------------------------------*/
/**
* \name ADC configuration
*
* These values configure which CC2538 pins and ADC channels to use for the ADC
* inputs. There pins are suggested as they can be changed, but note that only
* pins from PA can be configured as ADC.
*
* The Firefly, as it is, only allows 3.3VDC sensors.
*
* The internal ADC reference is 1190mV, use either a voltage divider as input,
* or a different voltage reference, like AVDD5 or other externally (AIN7 or
* AIN6).
* @{
/* Notify various examples that we have an user button.
* If ADC6 channel is used, then disable the user button
*/
#define ADC_SENSORS_PORT GPIO_A_NUM /**< ADC GPIO control port */
#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5, 3V3 */
#define ADC_SENSORS_ADC2_PIN 4 /**< ADC2 to PA4, 3V3 */
#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2, 3V3 */
#define ADC_SENSORS_ADC4_PIN 6 /**< ADC4 to PA6, 3V3 */
#define ADC_SENSORS_ADC5_PIN 7 /**< ADC5 to PA7, 3V3 */
#define ADC_SENSORS_MAX 5 /**< PA2, PA4, PA5, PA6, PA7 */
#ifdef PLATFORM_CONF_WITH_BUTTON
#if (PLATFORM_CONF_WITH_BUTTON && (ADC_SENSORS_ADC6_PIN == 3))
#error "The ADC6 (PA3) and user button cannot be enabled at the same time"
#else
#define PLATFORM_HAS_BUTTON (PLATFORM_CONF_WITH_BUTTON && \
!(ADC_SENSORS_ADC6_PIN == 3))
#endif /* (PLATFORM_CONF_WITH_BUTTON && (ADC_SENSORS_ADC6_PIN == 3)) */
#else
#define PLATFORM_HAS_BUTTON !(ADC_SENSORS_ADC6_PIN == 3)
#endif /* PLATFORM_CONF_WITH_BUTTON */
/** @} */
/*---------------------------------------------------------------------------*/
/**

107
platform/zoul/remote/board.h
View file

@ -171,23 +171,6 @@
#define UART1_RTS_PIN (-1)
/** @} */
/*---------------------------------------------------------------------------*/
/** \name RE-Mote Button configuration
*
* Buttons on the RE-Mote are connected as follows:
* - BUTTON_USER -> PA3, S1 user button, shared with bootloader and RTC_INT1
* - BUTTON_RESET -> RESET_N line, S2 reset both CC2538 and CoP
* - BUTTON_PIC1W -> shared with SHUTDOWN_ENABLE, not mounted.
* @{
*/
/** BUTTON_USER -> PA3 */
#define BUTTON_USER_PORT GPIO_A_NUM
#define BUTTON_USER_PIN 3
#define BUTTON_USER_VECTOR NVIC_INT_GPIO_PORT_A
/* Notify various examples that we have Buttons */
#define PLATFORM_HAS_BUTTON 1
/** @} */
/*---------------------------------------------------------------------------*/
/**
* \name ADC configuration
*
@ -201,6 +184,12 @@
* - ADC2: up to 3.3V, shared with RTC_INT
* - ADC3: up to 5V, by means of a 2/3 voltage divider.
*
* Also there are other ADC channels shared by default with Micro SD card and
* user button implementations:
* - ADC4: up to 3.3V.
* - ADC5: up to 3.3V.
* - ADC6: up to 3.3V.
*
* ADC inputs can only be on port A.
* All ADCx are exposed in JP5 connector, but only ADC1 and ADC3 have GND and
* VDD (3/5V) pins next to it, so these can be exposed into a 3-pin phidget-like
@ -216,12 +205,84 @@
* @{
*/
#define ADC_SENSORS_PORT GPIO_A_NUM /**< ADC GPIO control port */
#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5, 3V3 */
#define ADC_SENSORS_ADC2_PIN (-1) /**< ADC2 to PA4, 3V3 */
#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2, 5V0 */
#define ADC_SENSORS_ADC4_PIN (-1) /**< Not present */
#define ADC_SENSORS_ADC5_PIN (-1) /**< Not present */
#define ADC_SENSORS_MAX 2 /**< PA2, PA5 */
#ifndef ADC_SENSORS_CONF_ADC1_PIN
#define ADC_SENSORS_ADC1_PIN 5 /**< ADC1 to PA5, 3V3 */
#else
#if ((ADC_SENSORS_CONF_ADC1_PIN != -1) && (ADC_SENSORS_CONF_ADC1_PIN != 5))
#error "ADC1 channel should be mapped to PA5 or disabled with -1"
#else
#define ADC_SENSORS_ADC1_PIN ADC_SENSORS_CONF_ADC1_PIN
#endif
#endif
#ifndef ADC_SENSORS_CONF_ADC3_PIN
#define ADC_SENSORS_ADC3_PIN 2 /**< ADC3 to PA2, 5V */
#else
#if ((ADC_SENSORS_CONF_ADC3_PIN != -1) && (ADC_SENSORS_CONF_ADC3_PIN != 2))
#error "ADC3 channel should be mapped to PA2 or disabled with -1"
#else
#define ADC_SENSORS_ADC3_PIN ADC_SENSORS_CONF_ADC3_PIN
#endif
#endif
#ifndef ADC_SENSORS_CONF_ADC2_PIN
#define ADC_SENSORS_ADC2_PIN (-1) /**< ADC2 no declared */
#else
#define ADC_SENSORS_ADC2_PIN 4 /**< Hard-coded to PA4 */
#endif
#ifndef ADC_SENSORS_CONF_ADC4_PIN
#define ADC_SENSORS_ADC4_PIN (-1) /**< ADC4 not declared */
#else
#define ADC_SENSORS_ADC4_PIN 6 /**< Hard-coded to PA6 */
#endif
#ifndef ADC_SENSORS_CONF_ADC5_PIN
#define ADC_SENSORS_ADC5_PIN (-1) /**< ADC5 not declared */
#else
#define ADC_SENSORS_ADC5_PIN 7 /**< Hard-coded to PA7 */
#endif
#ifndef ADC_SENSORS_CONF_ADC6_PIN
#define ADC_SENSORS_ADC6_PIN (-1) /**< ADC6 not declared */
#else
#define ADC_SENSORS_ADC6_PIN 3 /**< Hard-coded to PA3 */
#endif
#ifndef ADC_SENSORS_CONF_MAX
#define ADC_SENSORS_MAX 2 /**< Maximum sensors */
#else
#define ADC_SENSORS_MAX ADC_SENSORS_CONF_MAX
#endif
/** @} */
/*---------------------------------------------------------------------------*/
/** \name RE-Mote Button configuration
*
* Buttons on the RE-Mote are connected as follows:
* - BUTTON_USER -> PA3, S1 user button, shared with bootloader and RTC_INT1
* - BUTTON_RESET -> RESET_N line, S2 reset both CC2538 and CoP
* - BUTTON_PIC1W -> shared with SHUTDOWN_ENABLE, not mounted.
* @{
*/
/** BUTTON_USER -> PA3 */
#define BUTTON_USER_PORT GPIO_A_NUM
#define BUTTON_USER_PIN 3
#define BUTTON_USER_VECTOR NVIC_INT_GPIO_PORT_A
/* Notify various examples that we have an user button.
* If ADC6 channel is used, then disable the user button
*/
#ifdef PLATFORM_CONF_WITH_BUTTON
#if (PLATFORM_CONF_WITH_BUTTON && (ADC_SENSORS_ADC6_PIN == 3))
#error "The ADC6 (PA3) and user button cannot be enabled at the same time"
#else
#define PLATFORM_HAS_BUTTON (PLATFORM_CONF_WITH_BUTTON && \
!(ADC_SENSORS_ADC6_PIN == 3))
#endif /* (PLATFORM_CONF_WITH_BUTTON && (ADC_SENSORS_ADC6_PIN == 3)) */
#else
#define PLATFORM_HAS_BUTTON !(ADC_SENSORS_ADC6_PIN == 3)
#endif /* PLATFORM_CONF_WITH_BUTTON */
/** @} */
/*---------------------------------------------------------------------------*/
/**