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tests/driver_stmpe811: don't poll for touch events

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Now that the interrupt of the driver works properly, we don't have to
rely on polling.

Instead, wake the thread by touch interrupt.
This commit is contained in:
Benjamin Valentin 2020-07-15 23:09:25 +02:00 committed by Alexandre Abadie
parent cbae0186ca
commit f857b7116b
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GPG Key ID: 1C919A403CAE1405
2 changed files with 12 additions and 7 deletions
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1
tests/driver_stmpe811/Makefile
View File

@ -2,7 +2,6 @@ BOARD ?= stm32f429i-disc1
include ../Makefile.tests_common
USEMODULE += xtimer
USEMODULE += stmpe811
include $(RIOTBASE)/Makefile.include

18
tests/driver_stmpe811/main.c
View File

@ -20,25 +20,25 @@
#include <stdio.h>
#include "xtimer.h"
#include "mutex.h"
#include "stmpe811.h"
#include "stmpe811_params.h"
static void _touch_event_cb(void *arg)
{
(void)arg;
puts("Pressed!");
mutex_unlock(arg);
}
int main(void)
{
mutex_t lock = MUTEX_INIT_LOCKED;
stmpe811_t dev;
puts("STMPE811 test application\n");
printf("+------------Initializing------------+\n");
int ret = stmpe811_init(&dev, &stmpe811_params[0], _touch_event_cb, NULL);
int ret = stmpe811_init(&dev, &stmpe811_params[0], _touch_event_cb, &lock);
if (ret != STMPE811_OK) {
puts("[Error] Initialization failed");
return 1;
@ -51,8 +51,16 @@ int main(void)
stmpe811_touch_state_t last_touch_state = current_touch_state;
while (1) {
/* wait for touch event */
mutex_lock(&lock);
stmpe811_read_touch_state(&dev, &current_touch_state);
if (current_touch_state != last_touch_state) {
if (current_touch_state == STMPE811_TOUCH_STATE_PRESSED) {
puts("Pressed!");
}
if (current_touch_state == STMPE811_TOUCH_STATE_RELEASED) {
puts("Released!");
}
@ -65,8 +73,6 @@ int main(void)
stmpe811_read_touch_position(&dev, &position);
printf("X: %i, Y:%i\n", position.x, position.y);
}
xtimer_usleep(10 * US_PER_MS);
}
return 0;