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hcsr04: Made ISR be used internally and not be exposed to the user. Changed access modifier to private. Removed passing ISR to constructor.

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Signed-off-by: Stefan Andritoiu <stefan.andritoiu@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Stefan Andritoiu
2015-11-27 17:03:34 +02:00
committed by Mihai Tudor Panu
parent e54f5e21c3
commit 1accafa145
5 changed files with 20 additions and 66 deletions
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24
src/hcsr04/hcsr04.cxx
View File

@ -34,14 +34,7 @@
using namespace upm;
#ifdef JAVACALLBACK
HCSR04::HCSR04 (uint8_t triggerPin, uint8_t echoPin, IsrCallback *cb)
{
HCSR04 (triggerPin, echoPin, generic_callback_isr);
}
#endif
HCSR04::HCSR04 (uint8_t triggerPin, uint8_t echoPin, void (*fptr)(void *)) {
HCSR04::HCSR04 (uint8_t triggerPin, uint8_t echoPin) {
mraa_result_t error = MRAA_SUCCESS;
m_name = "HCSR04";
@ -63,7 +56,7 @@ HCSR04::HCSR04 (uint8_t triggerPin, uint8_t echoPin, void (*fptr)(void *)) {
}
mraa_gpio_dir(m_echoPinCtx, MRAA_GPIO_IN);
mraa_gpio_isr(m_echoPinCtx, MRAA_GPIO_EDGE_BOTH, fptr, (void*)this);
mraa_gpio_isr(m_echoPinCtx, MRAA_GPIO_EDGE_BOTH, &ackEdgeDetected, (void*)this);
}
HCSR04::~HCSR04 () {
@ -96,16 +89,17 @@ HCSR04::timing() {
}
void
HCSR04::ackEdgeDetected () {
HCSR04::ackEdgeDetected (void *ctx) {
upm::HCSR04 *This = (upm::HCSR04 *)ctx;
struct timeval timer;
gettimeofday(&timer, NULL);
++m_InterruptCounter;
if (!(m_InterruptCounter % 2)) {
m_FallingTimeStamp = 1000000 * timer.tv_sec + timer.tv_usec;
m_doWork = 1;
This->m_InterruptCounter++;
if (!(This->m_InterruptCounter % 2)) {
This->m_FallingTimeStamp = 1000000 * timer.tv_sec + timer.tv_usec;
This->m_doWork = 1;
} else {
m_RisingTimeStamp = 1000000 * timer.tv_sec + timer.tv_usec;
This->m_RisingTimeStamp = 1000000 * timer.tv_sec + timer.tv_usec;
}
}

21
src/hcsr04/hcsr04.h
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@ -68,11 +68,7 @@ class HCSR04 {
* @param fptr Function pointer to handle rising-edge and
* falling-edge interrupts
*/
#if defined(SWIGJAVA) || defined(JAVACALLBACK)
HCSR04 (uint8_t triggerPin, uint8_t echoPin, IsrCallback *cb);
#else
HCSR04 (uint8_t triggerPin, uint8_t echoPin, void (*fptr)(void *));
#endif
HCSR04 (uint8_t triggerPin, uint8_t echoPin);
/**
* HCSR04 object destructor
*/
@ -83,12 +79,6 @@ class HCSR04 {
*/
double getDistance (int sys);
/**
* On each interrupt, this function detects if the interrupt
* was falling-edge or rising-edge.
* Should be called from the interrupt handler.
*/
void ackEdgeDetected ();
uint8_t m_doWork; /**< Flag to control blocking function while waiting for a falling-edge interrupt */
@ -101,9 +91,12 @@ class HCSR04 {
}
private:
#if defined(SWIGJAVA) || defined(JAVACALLBACK)
HCSR04 (uint8_t triggerPin, uint8_t echoPin, void (*fptr)(void *));
#endif
/**
* On each interrupt, this function detects if the interrupt
* was falling-edge or rising-edge.
*/
static void ackEdgeDetected (void *ctx);
double timing();
mraa_gpio_context m_triggerPinCtx;
mraa_gpio_context m_echoPinCtx;

8
src/hcsr04/javaupm_hcsr04.i
View File

@ -1,11 +1,6 @@
%module(directors="1") javaupm_hcsr04
%include "../upm.i"
%feature("director") IsrCallback;
%ignore generic_callback_isr;
%include "../IsrCallback.h"
%{
#include "hcsr04.h"
%}
@ -21,4 +16,5 @@
System.exit(1);
}
}
%}
%}