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60 lines
1.2 KiB
60 lines
1.2 KiB
/* |
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* Copyright (C) 2014 Freie Universität Berlin |
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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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* @ingroup tests |
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* @{ |
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* |
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* @file |
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* @brief Test for low-level Real Time Timer drivers |
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* |
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* This test will initialize the real-time timer and trigger an alarm printing |
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* 'Hello' every 10 seconds |
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* |
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de> |
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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 "cpu.h" |
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#include "periph_conf.h" |
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#include "periph/rtt.h" |
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#define TICKS_TO_WAIT (10 * RTT_FREQUENCY) |
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static volatile uint32_t last; |
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void cb(void *arg) |
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{ |
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(void)arg; |
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last += TICKS_TO_WAIT; |
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last &= RTT_MAX_VALUE; |
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rtt_set_alarm(last, cb, 0); |
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puts("Hello"); |
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} |
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int main(void) |
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{ |
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puts("\nRIOT RTT low-level driver test"); |
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puts("This test will display 'Hello' every 10 seconds\n"); |
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puts("Initializing the RTT driver"); |
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rtt_init(); |
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puts("Setting initial alarm"); |
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last = TICKS_TO_WAIT; |
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rtt_set_alarm(TICKS_TO_WAIT, cb, 0); |
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puts("Done setting up the RTT, wait for many Hellos"); |
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return 0; |
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}
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