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Moved the ADC configuration to sky-sensors.c and sensors now only need to specify their sample channel. This helps to avoid conflicts when using multiple sensors.

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This commit is contained in:
nifi 2010-08-25 19:30:52 +00:00
parent d06a1ecc0c
commit 198db63c3b
9 changed files with 231 additions and 224 deletions
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4
platform/jcreate/Makefile.jcreate
View file

@ -1,11 +1,11 @@
# $Id: Makefile.jcreate,v 1.2 2010/05/27 12:42:49 nifi Exp $ # $Id: Makefile.jcreate,v 1.3 2010/08/25 19:34:42 nifi Exp $
# Some drivers such as ds2411.c only compile under platform sky # Some drivers such as ds2411.c only compile under platform sky
CFLAGS += -DCONTIKI_TARGET_SKY CFLAGS += -DCONTIKI_TARGET_SKY
CONTIKI_TARGET_SOURCEFILES += contiki-jcreate-platform.c \ CONTIKI_TARGET_SOURCEFILES += contiki-jcreate-platform.c \
battery-sensor.c radio-sensor.c \ battery-sensor.c radio-sensor.c \
acc-sensor.c ext-sensor.c temperature-sensor.c acc-sensor.c ext-sensor.c
include $(CONTIKI)/platform/sky/Makefile.common include $(CONTIKI)/platform/sky/Makefile.common

91
platform/jcreate/dev/acc-sensor.c
View file

@ -26,67 +26,41 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: acc-sensor.c,v 1.1 2010/05/03 21:57:35 nifi Exp $ * $Id: acc-sensor.c,v 1.2 2010/08/25 19:34:42 nifi Exp $
* *
* ----------------------------------------------------------------- * -----------------------------------------------------------------
* *
* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne * Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
* Created : 2005-11-01 * Created : 2005-11-01
* Updated : $Date: 2010/05/03 21:57:35 $ * Updated : $Date: 2010/08/25 19:34:42 $
* $Revision: 1.1 $ * $Revision: 1.2 $
*/ */
#include "dev/acc-sensor.h" #include "dev/acc-sensor.h"
#include "dev/sky-sensors.h" #include "dev/sky-sensors.h"
#include <io.h> #include <io.h>
/* Configure ADC12_2 to sample channel 4, 5, 6 and use */
/* the Vref+ as reference (SREF_1) since it is a stable reference */
#define INPUT_CHANNEL ((1 << INCH_4) | (1 << INCH_5) | (1 << INCH_6))
#define INPUT_REFERENCE SREF_1
#define ACC_MEM_X ADC12MEM4 /* Xout */
#define ACC_MEM_Y ADC12MEM5 /* Yout */
#define ACC_MEM_Z ADC12MEM6 /* Zout */
const struct sensors_sensor acc_sensor; const struct sensors_sensor acc_sensor;
static uint8_t active;
/*---------------------------------------------------------------------------*/
static void
activate(void)
{
P2DIR |= 0x48;
P2OUT |= 0x48;
/* stop converting immediately */
ADC12CTL0 &= ~ENC;
ADC12CTL1 &= ~CONSEQ_3;
while(ADC12CTL1 & ADC12BUSY);
/* Configure ADC12_2 to sample channel 4, 5, 6 and use */
/* the Vref+ as reference (SREF_1) since it is a stable reference */
ADC12MCTL2 = (INCH_4 + SREF_1);
ADC12MCTL3 = (INCH_5 + SREF_1);
ADC12MCTL4 = (INCH_6 + SREF_1);
/* internal temperature can be read as value(3) */
ADC12MCTL5 = (INCH_10 + SREF_1);
active = 1;
sky_sensors_activate(0x70);
}
/*---------------------------------------------------------------------------*/
static void
deactivate(void)
{
sky_sensors_deactivate(0x70);
active = 0;
}
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
value(int type) value(int type)
{ {
switch(type) { switch(type) {
case 0: case ACC_SENSOR_X:
return ADC12MEM2; return ACC_MEM_X;
case 1: case ACC_SENSOR_Y:
return ADC12MEM3; return ACC_MEM_Y;
case 2: case ACC_SENSOR_Z:
return ADC12MEM4; return ACC_MEM_Z;
case 3:
return ADC12MEM5;
} }
return 0; return 0;
} }
@ -94,28 +68,31 @@ value(int type)
static int static int
configure(int type, int c) configure(int type, int c)
{ {
switch(type) { if(type == SENSORS_ACTIVE) {
case SENSORS_ACTIVE: /* Sleep Mode P2.3 */
if (c) { if(c) {
if(!active) { P2OUT |= 0x08;
activate(); P2DIR |= 0x08;
} } else {
} else if(active) { /* Sensor deactivated. Changed to sleep mode. */
deactivate(); P2OUT &= ~0x08;
} }
} else if(type == ACC_SENSOR_SENSITIVITY) {
/* g-Select1 P2.0, g-Select2 P2.1 */
P2DIR |= 0x03;
P2OUT &= ~0x03;
P2OUT |= c & 0x03;
} }
return 0; return sky_sensors_configure(INPUT_CHANNEL, INPUT_REFERENCE, type, c);
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
status(int type) status(int type)
{ {
switch (type) { if(type == ACC_SENSOR_SENSITIVITY) {
case SENSORS_ACTIVE: return (P2OUT & P2DIR) & 0x03;
case SENSORS_READY:
return active;
} }
return 0; return sky_sensors_status(INPUT_CHANNEL, type);
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
SENSORS_SENSOR(acc_sensor, ACC_SENSOR, value, configure, status); SENSORS_SENSOR(acc_sensor, ACC_SENSOR, value, configure, status);

20
platform/jcreate/dev/acc-sensor.h
View file

@ -26,14 +26,14 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: acc-sensor.h,v 1.1 2010/05/03 21:57:35 nifi Exp $ * $Id: acc-sensor.h,v 1.2 2010/08/25 19:34:42 nifi Exp $
* *
* ----------------------------------------------------------------- * -----------------------------------------------------------------
* *
* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne * Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
* Created : 2005-11-01 * Created : 2005-11-01
* Updated : $Date: 2010/05/03 21:57:35 $ * Updated : $Date: 2010/08/25 19:34:42 $
* $Revision: 1.1 $ * $Revision: 1.2 $
*/ */
#ifndef __ACC_SENSOR_H__ #ifndef __ACC_SENSOR_H__
@ -45,4 +45,18 @@ extern const struct sensors_sensor acc_sensor;
#define ACC_SENSOR "Acc" #define ACC_SENSOR "Acc"
#define ACC_SENSOR_X 0
#define ACC_SENSOR_Y 1
#define ACC_SENSOR_Z 2
/*
Sensitivity configuration (g-Select1 and g-Select2)
Value g-Range Sensitivity
0 1.5g 800mV/g
1 2g 600mV/g
2 4g 300mV/g
3 6g 200mV/g
*/
#define ACC_SENSOR_SENSITIVITY 10
#endif /* __ACC_SENSOR_H__ */ #endif /* __ACC_SENSOR_H__ */

74
platform/jcreate/dev/ext-sensor.c
View file

@ -26,15 +26,15 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: ext-sensor.c,v 1.1 2010/05/03 21:57:35 nifi Exp $ * $Id: ext-sensor.c,v 1.2 2010/08/25 19:34:42 nifi Exp $
* *
* ----------------------------------------------------------------- * -----------------------------------------------------------------
* *
* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne, Marcus Lundén, * Author : Adam Dunkels, Joakim Eriksson, Niclas Finne, Marcus Lundén,
* Jesper Karlsson * Jesper Karlsson
* Created : 2005-11-01 * Created : 2005-11-01
* Updated : $Date: 2010/05/03 21:57:35 $ * Updated : $Date: 2010/08/25 19:34:42 $
* $Revision: 1.1 $ * $Revision: 1.2 $
*/ */
#include <io.h> #include <io.h>
@ -42,23 +42,38 @@
#include "dev/ext-sensor.h" #include "dev/ext-sensor.h"
#include "dev/sky-sensors.h" #include "dev/sky-sensors.h"
/* SREF_0 is AVCC */
/* SREF_1 is Vref+ */
/* ADC0 == P6.0/A0 == port "under" logo */
/* ADC1 == P6.1/A1 == port "over" logo */
/* ADC2 == P6.2/A2, bottom expansion port */
/* ADC3 == P6.1/A3, bottom expansion port, End Of (ADC-)Sequence */
#define INPUT_CHANNEL ((1 << INCH_0) | (1 << INCH_1) | \
(1 << INCH_2) | (1 << INCH_3))
#define INPUT_REFERENCE SREF_0
#define EXT_MEM0 ADC12MEM0
#define EXT_MEM1 ADC12MEM1
#define EXT_MEM2 ADC12MEM2
#define EXT_MEM3 ADC12MEM3
const struct sensors_sensor ext_sensor; const struct sensors_sensor ext_sensor;
static uint8_t active;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
value(int type) value(int type)
{ {
/* ADC0 corresponds to the port under the logo, ADC1 to the port over the logo, /* ADC0 corresponds to the port under the logo, ADC1 to the port
ADC2 and ADC3 corresponds to port on the JCreate bottom expansion port) */ over the logo, ADC2 and ADC3 corresponds to port on the JCreate
bottom expansion port) */
switch(type) { switch(type) {
case ADC0: case ADC0:
return ADC12MEM6; return EXT_MEM0;
case ADC1: case ADC1:
return ADC12MEM7; return EXT_MEM1;
case ADC2: case ADC2:
return ADC12MEM8; return EXT_MEM2;
case ADC3: case ADC3:
return ADC12MEM9; return EXT_MEM3;
} }
return 0; return 0;
} }
@ -66,40 +81,13 @@ value(int type)
static int static int
status(int type) status(int type)
{ {
switch(type) { return sky_sensors_status(INPUT_CHANNEL, type);
case SENSORS_ACTIVE:
case SENSORS_READY:
return active;
}
return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
configure(int type, int c) configure(int type, int c)
{ {
switch(type) { return sky_sensors_configure(INPUT_CHANNEL, INPUT_REFERENCE, type, c);
case SENSORS_ACTIVE:
if(c) {
if(!status(SENSORS_ACTIVE)) {
/* SREF_1 is Vref+ */
/* MemReg6 == P6.0/A0 == port "under" logo */
ADC12MCTL6 = (INCH_0 + SREF_0);
/* MemReg7 == P6.1/A1 == port "over" logo */
ADC12MCTL7 = (INCH_1 + SREF_0);
/* MemReg8 == P6.2/A2, bottom expansion port */
ADC12MCTL8 = (INCH_2 + SREF_0);
/* MemReg9 == P6.1/A3, bottom expansion port, End Of (ADC-)Sequence */
ADC12MCTL9 = (INCH_3 + SREF_0);
sky_sensors_activate(0x0F);
active = 1;
}
} else {
sky_sensors_deactivate(0x0F);
active = 0;
}
}
return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
SENSORS_SENSOR(ext_sensor, "Ext", value, configure, status); SENSORS_SENSOR(ext_sensor, "Ext", value, configure, status);

54
platform/sky/dev/battery-sensor.c
View file

@ -26,72 +26,44 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $Id: battery-sensor.c,v 1.10 2010/02/03 20:30:07 nifi Exp $ * $Id: battery-sensor.c,v 1.11 2010/08/25 19:30:52 nifi Exp $
* *
* ----------------------------------------------------------------- * -----------------------------------------------------------------
* *
* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne * Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
* Created : 2005-11-01 * Created : 2005-11-01
* Updated : $Date: 2010/02/03 20:30:07 $ * Updated : $Date: 2010/08/25 19:30:52 $
* $Revision: 1.10 $ * $Revision: 1.11 $
*/ */
#include "dev/battery-sensor.h" #include "dev/battery-sensor.h"
#include "dev/sky-sensors.h" #include "dev/sky-sensors.h"
#include <io.h> #include <io.h>
/* Configure ADC12_2 to sample channel 11 (voltage) and use */
/* the Vref+ as reference (SREF_1) since it is a stable reference */
#define INPUT_CHANNEL (1 << INCH_11)
#define INPUT_REFERENCE SREF_1
#define BATTERY_MEM ADC12MEM11
const struct sensors_sensor battery_sensor; const struct sensors_sensor battery_sensor;
static uint8_t active;
/*---------------------------------------------------------------------------*/
static void
activate(void)
{
/* Configure ADC12_2 to sample channel 11 (voltage) and use */
/* the Vref+ as reference (SREF_1) since it is a stable reference */
ADC12MCTL2 = (INCH_11 + SREF_1);
sky_sensors_activate(0x80);
active = 1;
}
/*---------------------------------------------------------------------------*/
static void
deactivate(void)
{
sky_sensors_deactivate(0x80);
active = 0;
}
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
value(int type) value(int type)
{ {
return ADC12MEM2/*battery_value*/; return BATTERY_MEM;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
configure(int type, int c) configure(int type, int c)
{ {
switch(type) { return sky_sensors_configure(INPUT_CHANNEL, INPUT_REFERENCE, type, c);
case SENSORS_ACTIVE:
if(c) {
activate();
} else {
deactivate();
}
}
return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
status(int type) status(int type)
{ {
switch(type) { return sky_sensors_status(INPUT_CHANNEL, type);
case SENSORS_ACTIVE:
case SENSORS_READY:
return active;
}
return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
SENSORS_SENSOR(battery_sensor, BATTERY_SENSOR, SENSORS_SENSOR(battery_sensor, BATTERY_SENSOR, value, configure, status);
value, configure, status);

44
platform/sky/dev/light-sensor.c
View file

@ -28,16 +28,23 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* @(#)$Id: light-sensor.c,v 1.6 2010/02/08 00:02:39 nifi Exp $ * @(#)$Id: light-sensor.c,v 1.7 2010/08/25 19:30:53 nifi Exp $
*/ */
#include <io.h>
#include "contiki.h" #include "contiki.h"
#include "lib/sensors.h" #include "lib/sensors.h"
#include "dev/sky-sensors.h" #include "dev/sky-sensors.h"
#include "dev/light-sensor.h" #include "dev/light-sensor.h"
#include <io.h>
/* Photodiode 1 (P64) on INCH_4 */
/* Photodiode 2 (P65) on INCH_5 */
#define INPUT_CHANNEL ((1 << INCH_4) | (1 << INCH_5))
#define INPUT_REFERENCE SREF_0
#define PHOTOSYNTHETIC_MEM ADC12MEM4
#define TOTAL_SOLAR_MEM ADC12MEM5
const struct sensors_sensor light_sensor; const struct sensors_sensor light_sensor;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
@ -47,11 +54,11 @@ value(int type)
switch(type) { switch(type) {
/* Photosynthetically Active Radiation. */ /* Photosynthetically Active Radiation. */
case LIGHT_SENSOR_PHOTOSYNTHETIC: case LIGHT_SENSOR_PHOTOSYNTHETIC:
return ADC12MEM0; return PHOTOSYNTHETIC_MEM;
/* Total Solar Radiation. */ /* Total Solar Radiation. */
case LIGHT_SENSOR_TOTAL_SOLAR: case LIGHT_SENSOR_TOTAL_SOLAR:
return ADC12MEM1; return TOTAL_SOLAR_MEM;
} }
return 0; return 0;
} }
@ -59,34 +66,13 @@ value(int type)
static int static int
status(int type) status(int type)
{ {
switch(type) { return sky_sensors_status(INPUT_CHANNEL, type);
case SENSORS_ACTIVE:
case SENSORS_READY:
return (ADC12CTL0 & (ADC12ON + REFON)) == (ADC12ON + REFON);
}
return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
configure(int type, int c) configure(int type, int c)
{ {
switch(type) { return sky_sensors_configure(INPUT_CHANNEL, INPUT_REFERENCE, type, c);
case SENSORS_ACTIVE:
if(c) {
if(!status(SENSORS_ACTIVE)) {
ADC12MCTL0 = (INCH_4 + SREF_0); // photodiode 1 (P64)
ADC12MCTL1 = (INCH_5 + SREF_0); // photodiode 2 (P65)
sky_sensors_activate(0x30);
}
} else {
sky_sensors_deactivate(0x30);
}
}
return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
SENSORS_SENSOR(light_sensor, "Light", SENSORS_SENSOR(light_sensor, "Light", value, configure, status);
value, configure, status);

12
platform/sky/dev/radio-sensor.c
View file

@ -28,7 +28,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* @(#)$Id: radio-sensor.c,v 1.6 2010/01/14 20:01:19 nifi Exp $ * @(#)$Id: radio-sensor.c,v 1.7 2010/08/25 19:30:53 nifi Exp $
*/ */
#include "lib/sensors.h" #include "lib/sensors.h"
@ -36,6 +36,7 @@
#include "dev/radio-sensor.h" #include "dev/radio-sensor.h"
const struct sensors_sensor radio_sensor; const struct sensors_sensor radio_sensor;
static int active;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
@ -53,12 +54,21 @@ value(int type)
static int static int
configure(int type, int c) configure(int type, int c)
{ {
if(type == SENSORS_ACTIVE) {
active = c;
return 1;
}
return 0; return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
static int static int
status(int type) status(int type)
{ {
switch(type) {
case SENSORS_ACTIVE:
case SENSORS_READY:
return active;
}
return 0; return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/

145
platform/sky/dev/sky-sensors.c
View file

@ -28,68 +28,127 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* $Id: sky-sensors.c,v 1.2 2010/02/06 18:28:26 joxe Exp $ * $Id: sky-sensors.c,v 1.3 2010/08/25 19:30:53 nifi Exp $
* *
* ----------------------------------------------------------------- * -----------------------------------------------------------------
* *
* Author : Joakim Eriksson * Author : Joakim Eriksson
* Created : 2010-02-02 * Created : 2010-02-02
* Updated : $Date: 2010/02/06 18:28:26 $ * Updated : $Date: 2010/08/25 19:30:53 $
* $Revision: 1.2 $ * $Revision: 1.3 $
*/ */
#include <stdlib.h>
#include <io.h>
#include "contiki.h" #include "contiki.h"
#include "lib/sensors.h"
#include <io.h>
static uint8_t adc_on; #define ADC12MCTL_NO(adcno) ((unsigned char *) ADC12MCTL0_)[adcno]
static uint16_t adc_on;
static uint16_t ready;
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
void static CC_INLINE void
sky_sensors_activate(uint8_t type) start(void)
{ {
uint8_t pre = adc_on; uint16_t c, last;
adc_on |= type; /* Set up the ADC. */
P6SEL |= type; P6DIR = 0xff;
P6OUT = 0x00;
if(pre == 0 && adc_on > 0) { /* Setup ADC12, ref., sampling time */
P6DIR = 0xff; /* XXX Note according to the specification a minimum of 17 ms should
P6OUT = 0x00; be allowed after turn on of the internal reference generator. */
ADC12CTL0 = REF2_5V + SHT0_6 + SHT1_6 + MSC + REFON;
/* Use sampling timer, repeat-sequence-of-channels */
ADC12CTL1 = SHP + CONSEQ_3;
/* if nothing was started before, start up the ADC system */ last = 15;
/* Set up the ADC. */ for(c = 0; c < 16; c++) {
ADC12CTL0 = REF2_5V + SHT0_6 + SHT1_6 + MSC; /* Setup ADC12, ref., sampling time */ /* Clear all end-of-sequences */
ADC12CTL1 = SHP + CONSEQ_3 + CSTARTADD_0; /* Use sampling timer, repeat-sequenc-of-channels */ ADC12MCTL_NO(c) &= ~EOS;
/* convert up to MEM4 */ if(adc_on & (1 << c)) {
ADC12MCTL9 |= EOS; if(last == 15) {
/* Set new start of sequence to lowest active memory holder */
ADC12CTL0 |= ADC12ON + REFON; ADC12CTL1 |= (c * CSTARTADD_1);
ADC12CTL0 |= ENC; /* enable conversion */ }
ADC12CTL0 |= ADC12SC; /* sample & convert */ last = c;
}
} }
/* Set highest end-of-sequence. */
ADC12MCTL_NO(last) |= EOS;
ADC12CTL0 |= ADC12ON;
ADC12CTL0 |= ENC; /* enable conversion */
ADC12CTL0 |= ADC12SC; /* sample & convert */
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
void static CC_INLINE void
sky_sensors_deactivate(uint8_t type) stop(void)
{ {
adc_on &= ~type; /* stop converting immediately, turn off reference voltage, etc. */
if(adc_on == 0) { ADC12CTL0 &= ~ENC;
/* stop converting immediately, turn off reference voltage, etc. */ /* need to remove CONSEQ_3 if not EOS is configured */
/* wait for conversion to stop */ ADC12CTL1 &= ~CONSEQ_3;
ADC12CTL0 &= ~ENC; /* wait for conversion to stop */
/* need to remove CONSEQ_3 if not EOS is configured */ while(ADC12CTL1 & ADC12BUSY);
ADC12CTL1 &= ~CONSEQ_3;
while(ADC12CTL1 & ADC12BUSY); /* clear any pending interrupts */
ADC12IFG = 0;
ADC12CTL0 = 0; }
ADC12CTL1 = 0; /*---------------------------------------------------------------------------*/
int
P6DIR = 0x00; sky_sensors_status(uint16_t input, int type)
P6OUT = 0x00; {
P6SEL = 0x00; if(type == SENSORS_ACTIVE) {
} return (adc_on & input) == input;
}
if(type == SENSORS_READY) {
ready |= ADC12IFG & adc_on & input;
return (ready & adc_on & input) == input;
}
return 0;
}
/*---------------------------------------------------------------------------*/
int
sky_sensors_configure(uint16_t input, uint8_t ref, int type, int value)
{
uint16_t c;
if(type == SENSORS_ACTIVE) {
stop();
if(value) {
adc_on |= input;
P6SEL |= input & 0xff;
/* Set ADC config */
for(c = 0; c < 16; c++) {
if(input & (1 << c)) {
ADC12MCTL_NO(c) = (c * INCH_1) | ref;
}
}
} else {
adc_on &= ~input;
ready &= ~input;
P6SEL &= ~(input & 0xff);
}
if(adc_on == 0) {
P6DIR = 0x00;
P6SEL = 0x00;
/* Turn off ADC and internal reference generator */
ADC12CTL0 = 0;
ADC12CTL1 = 0;
} else {
start();
}
return 1;
}
return 0;
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/

11
platform/sky/dev/sky-sensors.h
View file

@ -27,20 +27,21 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* $Id: sky-sensors.h,v 1.1 2010/02/02 20:59:45 joxe Exp $ * $Id: sky-sensors.h,v 1.2 2010/08/25 19:30:53 nifi Exp $
* *
* ----------------------------------------------------------------- * -----------------------------------------------------------------
* *
* Author : Joakim Eriksson * Author : Joakim Eriksson
* Created : 2010-02-02 * Created : 2010-02-02
* Updated : $Date: 2010/02/02 20:59:45 $ * Updated : $Date: 2010/08/25 19:30:53 $
* $Revision: 1.1 $ * $Revision: 1.2 $
*/ */
#ifndef __SKY_SENSORS_H__ #ifndef __SKY_SENSORS_H__
#define __SKY_SENSORS_H__ #define __SKY_SENSORS_H__
void sky_sensors_activate(uint8_t); int sky_sensors_status(uint16_t input, int type);
void sky_sensors_deactivate(uint8_t); int sky_sensors_configure(uint16_t input, uint8_t reference,
int type, int value);
#endif /* __SKY_SENSORS_H__ */ #endif /* __SKY_SENSORS_H__ */