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

3
tests/leds/README.md
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@ -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 roughly 4 times as long as the short interval. The length of the
interval is not specified and differs for each platform. 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 Background
========== ==========
Running this test shows if all the direct access macros for all on-board LEDs 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 "clk.h"
#include "board.h" #include "board.h"
#include "periph_conf.h" #include "periph_conf.h"
#include "periph/gpio.h"
#define DELAY_SHORT (coreclk() / 50) #define DELAY_SHORT (coreclk() / 50)
#define DELAY_LONG (DELAY_SHORT * 4) #define DELAY_LONG (DELAY_SHORT * 4)
@ -81,10 +82,10 @@ int main(void)
} }
else { else {
printf("Available LEDs: %i\n\n", numof); 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 #ifdef LED0_ON
LED0_ON; LED0_ON;
dumb_delay(DELAY_LONG); dumb_delay(DELAY_LONG);
@ -199,5 +200,34 @@ int main(void)
#endif #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; return 0;
} }