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Updated to match the new sensors API

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This commit is contained in:
nifi 2010-01-14 17:39:35 +00:00
parent d9900a474a
commit 24f28f0f1c
16 changed files with 603 additions and 429 deletions
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137
platform/esb/dev/ctsrts-sensor.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: ctsrts-sensor.c,v 1.1 2006/06/18 07:49:33 adamdunkels Exp $
* @(#)$Id: ctsrts-sensor.c,v 1.2 2010/01/14 17:39:35 nifi Exp $
*/
/**
@ -40,7 +40,10 @@
* handshake but as said, that is not implemented yet.
*/
#include "contiki-esb.h"
#include "dev/ctsrts-sensor.h"
#include "dev/irq.h"
#include "dev/hwconf.h"
#include <signal.h>
const struct sensors_sensor ctsrts_sensor;
@ -49,83 +52,21 @@ HWCONF_PIN(RS232RTS, 1, 7);
HWCONF_PIN(RS232CTS, 1, 6);
HWCONF_IRQ(RS232CTS, 1, 6);
/*---------------------------------------------------------------------------*/
static void
init(void)
{
RS232RTS_SELECT();
RS232RTS_MAKE_OUTPUT();
RS232RTS_CLEAR();
RS232CTS_SELECT();
RS232CTS_MAKE_INPUT();
}
/**
* Indicate to host/client we are NOT ready to receive data. Sets the RTS pin
* to low.
*/
void ctsrts_rts_clear(void) {
RS232RTS_CLEAR();
}
/**
* Request host/client to send data. Sets the RTS pin to high.
*/
void ctsrts_rts_set(void) {
RS232RTS_SET();
}
/*---------------------------------------------------------------------------*/
static int
irq(void)
{
if(RS232CTS_CHECK_IRQ()) {
/* Change the flank triggering for the irq so we will detect next
shift. */
if(RS232CTS_READ()) {
RS232CTS_IRQ_EDGE_SELECTD();
} else {
RS232CTS_IRQ_EDGE_SELECTU();
}
sensors_changed(&ctsrts_sensor);
return 1;
}
return 0;
}
/*---------------------------------------------------------------------------*/
static void
activate(void)
{
/*
* Check current status on the CTS pin and set IRQ flank so we will detect
* a shift.
*/
/* Change the flank triggering for the irq so we will detect next shift. */
if(RS232CTS_READ()) {
RS232CTS_IRQ_EDGE_SELECTD();
} else {
RS232CTS_IRQ_EDGE_SELECTU();
}
sensors_add_irq(&ctsrts_sensor, RS232CTS_IRQ_PORT());
RS232CTS_ENABLE_IRQ();
}
/*---------------------------------------------------------------------------*/
static void
deactivate(void)
{
RS232CTS_DISABLE_IRQ();
sensors_remove_irq(&ctsrts_sensor, RS232CTS_IRQ_PORT());
sensors_changed(&ctsrts_sensor);
return 1;
}
/*---------------------------------------------------------------------------*/
static int
active(void)
{
return RS232CTS_IRQ_ENABLED();
}
/*---------------------------------------------------------------------------*/
static unsigned int
value(int type)
{
/*
@ -135,21 +76,71 @@ value(int type)
* the PC I set RTS which is coupled to the CTS on the esb and I read a 0.
* Maybe RTS is defined active LOW on the PC? //Kalle
*/
return RS232CTS_READ()?0:1;
return RS232CTS_READ() ? 0 : 1;
}
/*---------------------------------------------------------------------------*/
static int
configure(int type, void *c)
configure(int type, int value)
{
switch (type) {
case SENSORS_HW_INIT:
RS232RTS_SELECT();
RS232RTS_MAKE_OUTPUT();
RS232RTS_CLEAR();
RS232CTS_SELECT();
RS232CTS_MAKE_INPUT();
return 1;
case SENSORS_ACTIVE:
if (value) {
if(!RS232CTS_IRQ_ENABLED()) {
/*
* Check current status on the CTS pin and set IRQ flank so we
* will detect a shift.
*/
if(RS232CTS_READ()) {
RS232CTS_IRQ_EDGE_SELECTD();
} else {
RS232CTS_IRQ_EDGE_SELECTU();
}
irq_port1_activate(RS232CTS_IRQ_PORT(), irq);
RS232CTS_ENABLE_IRQ();
}
} else {
RS232CTS_DISABLE_IRQ();
irq_port1_deactivate(RS232CTS_IRQ_PORT());
}
return 1;
}
return 0;
}
/*---------------------------------------------------------------------------*/
static void *
static int
status(int type)
{
return NULL;
switch (type) {
case SENSORS_ACTIVE:
case SENSORS_READY:
return RS232CTS_IRQ_ENABLED();
}
return 0;
}
/*---------------------------------------------------------------------------*/
/**
* Indicate to host/client we are NOT ready to receive data. Sets the RTS pin
* to low.
*/
void ctsrts_rts_clear(void) {
RS232RTS_CLEAR();
}
/*---------------------------------------------------------------------------*/
/**
* Request host/client to send data. Sets the RTS pin to high.
*/
void ctsrts_rts_set(void) {
RS232RTS_SET();
}
/*---------------------------------------------------------------------------*/
SENSORS_SENSOR(ctsrts_sensor, CTSRTS_SENSOR,
init, irq, activate, deactivate, active,
value, configure, status);
value, configure, status);