Martin Wolker
/
Trigger_LabSat_variant_1
Trigger by falling edge
main.cpp@1:c07b2e3dafe9, 2018-04-05 (annotated)
- Committer:
- Neolker
- Date:
- Thu Apr 05 14:46:02 2018 +0000
- Revision:
- 1:c07b2e3dafe9
- Parent:
- 0:52fa945a47d5
typo fixed
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Neolker | 0:52fa945a47d5 | 1 | /* |
Neolker | 0:52fa945a47d5 | 2 | * ----------------------------------------- |
Neolker | 0:52fa945a47d5 | 3 | * Trigger_LabSat_variant_1 1.0 (2018-04-05) |
Neolker | 0:52fa945a47d5 | 4 | * ----------------------------------------- |
Neolker | 0:52fa945a47d5 | 5 | * Works well with NUCLEO-F031K6 and NUCLEO-F411RE. |
Neolker | 0:52fa945a47d5 | 6 | * |
Neolker | 0:52fa945a47d5 | 7 | * In (D2): ---_------_--- |
Neolker | 0:52fa945a47d5 | 8 | * |
Neolker | 0:52fa945a47d5 | 9 | * Out (D3): ___--------___ |
Neolker | 0:52fa945a47d5 | 10 | * |
Neolker | 0:52fa945a47d5 | 11 | * negOut (D4): ---________--- |
Neolker | 0:52fa945a47d5 | 12 | * |
Neolker | 0:52fa945a47d5 | 13 | * LED (LED1): ___--------___ |
Neolker | 0:52fa945a47d5 | 14 | * |
Neolker | 0:52fa945a47d5 | 15 | * Copyright (c) 2018, Martin Wolker (neolker@gmail.com) |
Neolker | 0:52fa945a47d5 | 16 | * All rights reserved. |
Neolker | 0:52fa945a47d5 | 17 | * |
Neolker | 0:52fa945a47d5 | 18 | * Redistribution and use in source and binary forms, with or without |
Neolker | 0:52fa945a47d5 | 19 | * modification, are permitted provided that the following conditions are met: |
Neolker | 0:52fa945a47d5 | 20 | * - Redistributions of source code must retain the above copyright |
Neolker | 0:52fa945a47d5 | 21 | * notice, this list of conditions and the following disclaimer. |
Neolker | 0:52fa945a47d5 | 22 | * - Redistributions in binary form must reproduce the above copyright |
Neolker | 0:52fa945a47d5 | 23 | * notice, this list of conditions and the following disclaimer in the |
Neolker | 0:52fa945a47d5 | 24 | * documentation and/or other materials provided with the distribution. |
Neolker | 0:52fa945a47d5 | 25 | * - Neither the name of Martin Wolker nor the |
Neolker | 0:52fa945a47d5 | 26 | * names of its contributors may be used to endorse or promote products |
Neolker | 0:52fa945a47d5 | 27 | * derived from this software without specific prior written permission. |
Neolker | 0:52fa945a47d5 | 28 | * |
Neolker | 0:52fa945a47d5 | 29 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
Neolker | 0:52fa945a47d5 | 30 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
Neolker | 0:52fa945a47d5 | 31 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
Neolker | 0:52fa945a47d5 | 32 | * DISCLAIMED. IN NO EVENT SHALL MARTIN WOLKER BE LIABLE FOR ANY |
Neolker | 0:52fa945a47d5 | 33 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
Neolker | 0:52fa945a47d5 | 34 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
Neolker | 0:52fa945a47d5 | 35 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
Neolker | 0:52fa945a47d5 | 36 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
Neolker | 0:52fa945a47d5 | 37 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
Neolker | 0:52fa945a47d5 | 38 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Neolker | 0:52fa945a47d5 | 39 | */ |
Neolker | 0:52fa945a47d5 | 40 | |
Neolker | 0:52fa945a47d5 | 41 | #include "mbed.h" |
Neolker | 0:52fa945a47d5 | 42 | #define TRIGGER_IGNORE_LENGTH_MS 500 |
Neolker | 0:52fa945a47d5 | 43 | |
Neolker | 0:52fa945a47d5 | 44 | InterruptIn trigger_in(D2); |
Neolker | 0:52fa945a47d5 | 45 | DigitalOut trigger_out(D3); |
Neolker | 0:52fa945a47d5 | 46 | DigitalOut trigger_out_negative(D4); |
Neolker | 0:52fa945a47d5 | 47 | DigitalOut trigger_led(LED1); |
Neolker | 0:52fa945a47d5 | 48 | |
Neolker | 0:52fa945a47d5 | 49 | void trigger(void) |
Neolker | 0:52fa945a47d5 | 50 | { |
Neolker | 0:52fa945a47d5 | 51 | trigger_out =! trigger_out; |
Neolker | 0:52fa945a47d5 | 52 | trigger_out_negative =! trigger_out_negative; |
Neolker | 0:52fa945a47d5 | 53 | trigger_led =! trigger_led; |
Neolker | 0:52fa945a47d5 | 54 | } |
Neolker | 0:52fa945a47d5 | 55 | |
Neolker | 0:52fa945a47d5 | 56 | void interrupt(void) |
Neolker | 0:52fa945a47d5 | 57 | { |
Neolker | 0:52fa945a47d5 | 58 | trigger(); |
Neolker | 0:52fa945a47d5 | 59 | wait_ms(TRIGGER_IGNORE_LENGTH_MS); |
Neolker | 0:52fa945a47d5 | 60 | } |
Neolker | 0:52fa945a47d5 | 61 | |
Neolker | 0:52fa945a47d5 | 62 | int main(void) |
Neolker | 0:52fa945a47d5 | 63 | { |
Neolker | 1:c07b2e3dafe9 | 64 | //Trigger interrupt by falling edge |
Neolker | 0:52fa945a47d5 | 65 | trigger_in.fall(&interrupt); |
Neolker | 0:52fa945a47d5 | 66 | |
Neolker | 0:52fa945a47d5 | 67 | //Default state |
Neolker | 0:52fa945a47d5 | 68 | trigger_out = 0; |
Neolker | 0:52fa945a47d5 | 69 | trigger_out_negative = 1; |
Neolker | 0:52fa945a47d5 | 70 | trigger_led = 0; |
Neolker | 0:52fa945a47d5 | 71 | |
Neolker | 0:52fa945a47d5 | 72 | //Endless loop |
Neolker | 0:52fa945a47d5 | 73 | while(1) { } |
Neolker | 0:52fa945a47d5 | 74 | } |