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tests/leds: add test where LEDs are mapped to buttons

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This commit is contained in:
Benjamin Valentin 2022-03-29 08:56:05 +02:00
parent 615d863c00
commit 8da2e1045e
3 changed files with 38 additions and 2 deletions
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3
tests/leds/Makefile
View File

@ -3,4 +3,7 @@ include ../Makefile.tests_common
# Some boards do not initialize LED0 by default
CFLAGS=-DPERIPH_INIT_LED0
# auto-init on board buttons as well
USEMODULE += periph_init_buttons
include $(RIOTBASE)/Makefile.include

3
tests/leds/README.md
View File

@ -5,6 +5,9 @@ endless loop. Each LED will light up once long, and twice short, where the long
interval is roughly 4 times as long as the short interval. The length of the
interval is not specified and differs for each platform.
Afterwards the test will connect each on-board button to an LED (if available),
so that that LED state mirrors the button state.
Background
==========
Running this test shows if all the direct access macros for all on-board LEDs

34
tests/leds/main.c
View File

@ -24,6 +24,7 @@
#include "clk.h"
#include "board.h"
#include "periph_conf.h"
#include "periph/gpio.h"
#define DELAY_SHORT (coreclk() / 50)
#define DELAY_LONG (DELAY_SHORT * 4)
@ -81,10 +82,10 @@ int main(void)
}
else {
printf("Available LEDs: %i\n\n", numof);
puts("Will now light up each LED once short and twice long in a loop");
puts("Will now light up each LED once short and twice long");
}
while (1) {
for (unsigned i = 0; i < 4; ++i) {
#ifdef LED0_ON
LED0_ON;
dumb_delay(DELAY_LONG);
@ -199,5 +200,34 @@ int main(void)
#endif
}
puts("Mapping each LED to a button (if available)");
while (1) {
#if defined(LED0_PIN) && defined(BTN0_PIN)
gpio_write(LED0_PIN, gpio_read(BTN0_PIN));
#endif
#if defined(LED1_PIN) && defined(BTN1_PIN)
gpio_write(LED1_PIN, gpio_read(BTN1_PIN));
#endif
#if defined(LED2_PIN) && defined(BTN2_PIN)
gpio_write(LED2_PIN, gpio_read(BTN2_PIN));
#endif
#if defined(LED3_PIN) && defined(BTN3_PIN)
gpio_write(LED3_PIN, gpio_read(BTN3_PIN));
#endif
#if defined(LED4_PIN) && defined(BTN4_PIN)
gpio_write(LED4_PIN, gpio_read(BTN4_PIN));
#endif
#if defined(LED5_PIN) && defined(BTN5_PIN)
gpio_write(LED5_PIN, gpio_read(BTN5_PIN));
#endif
#if defined(LED6_PIN) && defined(BTN6_PIN)
gpio_write(LED6_PIN, gpio_read(BTN6_PIN));
#endif
#if defined(LED7_PIN) && defined(BTN7_PIN)
gpio_write(LED7_PIN, gpio_read(BTN7_PIN));
#endif
}
return 0;
}