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APPLICATION = buttons
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include ../Makefile.tests_common |
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USEMODULE += xtimer
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include $(RIOTBASE)/Makefile.include |
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# On-Board Button Test |
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This tests initializes all on-board buttons available, currently up to 4 in |
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total. Each button is configured as an input with interrupt on button press |
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or release depending on the configured TEST_FLANK. |
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|
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# Expected Result |
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|
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When a button is pressed (and/or released) an interrupt fires which results in |
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a message indicating which button was used. The test naturally qualifies for |
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manual testing only. Nevertheless, it prints "[SUCCESS]" after all buttons |
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were initialized successfully or "[FAILED] <msg>" on error, so it can be used |
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for limited automated testing as well. |
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|
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/*
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* Copyright (C) 2017 HAW Hamburg |
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* |
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* This file is subject to the terms and conditions of the GNU Lesser General |
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* Public License v2.1. See the file LICENSE in the top level directory for more |
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* details. |
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*/ |
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|
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/**
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* @ingroup tests |
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* @{ |
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* |
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* @file |
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* @brief Test for the on-board button macros |
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* |
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* @author Sebastian Meiling <s@mlng.net> |
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* |
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* @} |
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*/ |
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#include <stdio.h> |
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#include <stdint.h> |
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#include "board.h" |
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#include "periph/gpio.h" |
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#include "periph_conf.h" |
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#define TEST_FLANK GPIO_FALLING |
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#ifdef BTN0_PIN /* assuming that first button is always BTN0 */ |
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static void cb(void *arg) |
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{ |
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printf("Pressed BTN%d\n", (int)arg); |
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} |
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#endif |
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|
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int main(void) |
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{ |
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int cnt = 0; |
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/* get the number of available buttons and init interrupt handler */ |
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#ifdef BTN0_PIN |
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if (gpio_init_int(BTN0_PIN, BTN0_MODE, TEST_FLANK, cb, (void *)cnt) < 0) { |
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puts("[FAILED] init BTN0!"); |
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return 1; |
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} |
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++cnt; |
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#endif |
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#ifdef BTN1_PIN |
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if (gpio_init_int(BTN1_PIN, BTN1_MODE, TEST_FLANK, cb, (void *)cnt) < 0) { |
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puts("[FAILED] init BTN1!"); |
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return 1; |
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} |
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++cnt; |
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#endif |
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#ifdef BTN2_PIN |
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if (gpio_init_int(BTN2_PIN, BTN2_MODE, TEST_FLANK, cb, (void *)cnt) < 0) { |
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puts("[FAILED] init BTN2!"); |
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return 1; |
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} |
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++cnt; |
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#endif |
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#ifdef BTN3_PIN |
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if (gpio_init_int(BTN3_PIN, BTN3_MODE, TEST_FLANK, cb, (void *)cnt) < 0) { |
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puts("[FAILED] init BTN3!"); |
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return 1; |
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} |
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++cnt; |
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#endif |
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puts("On-board button test\n"); |
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/* cppcheck-suppress knownConditionTrueFalse
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* rationale: board-dependent ifdefs */ |
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if (cnt == 0) { |
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puts("[FAILED] no buttons available!"); |
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return 2; |
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} |
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printf(" -- Available buttons: %i\n\n", cnt); |
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puts(" -- Try pressing buttons to test.\n"); |
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puts("[SUCCESS]"); |
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return 0; |
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} |
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Reference in new issue