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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

capi/pinmap_common.c@0:fd0d7bdfcdc2, 2012-11-20 (annotated)

Committer:
mbed_official
Date:
Tue Nov 20 17:24:08 2012 +0000
Revision:
0:fd0d7bdfcdc2
Child:
2:143cac498751
mbed sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
mbed_official 0:fd0d7bdfcdc2 2 * Copyright (c) 2006-2012 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
mbed_official 0:fd0d7bdfcdc2 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
mbed_official 0:fd0d7bdfcdc2 5 * of this software and associated documentation files (the "Software"), to deal
mbed_official 0:fd0d7bdfcdc2 6 * in the Software without restriction, including without limitation the rights
mbed_official 0:fd0d7bdfcdc2 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbed_official 0:fd0d7bdfcdc2 8 * copies of the Software, and to permit persons to whom the Software is
mbed_official 0:fd0d7bdfcdc2 9 * furnished to do so, subject to the following conditions:
mbed_official 0:fd0d7bdfcdc2 10 *
mbed_official 0:fd0d7bdfcdc2 11 * The above copyright notice and this permission notice shall be included in
mbed_official 0:fd0d7bdfcdc2 12 * all copies or substantial portions of the Software.
mbed_official 0:fd0d7bdfcdc2 13 *
mbed_official 0:fd0d7bdfcdc2 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbed_official 0:fd0d7bdfcdc2 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbed_official 0:fd0d7bdfcdc2 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbed_official 0:fd0d7bdfcdc2 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbed_official 0:fd0d7bdfcdc2 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:fd0d7bdfcdc2 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
mbed_official 0:fd0d7bdfcdc2 20 * SOFTWARE.
mbed_official 0:fd0d7bdfcdc2 21 */
mbed_official 0:fd0d7bdfcdc2 22 #include "pinmap.h"
mbed_official 0:fd0d7bdfcdc2 23 #include "error.h"
mbed_official 0:fd0d7bdfcdc2 24
mbed_official 0:fd0d7bdfcdc2 25 void pinmap_pinout(PinName pin, const PinMap *map) {
mbed_official 0:fd0d7bdfcdc2 26 if (pin == NC) return;
mbed_official 0:fd0d7bdfcdc2 27
mbed_official 0:fd0d7bdfcdc2 28 while (map->pin != NC) {
mbed_official 0:fd0d7bdfcdc2 29 if (map->pin == pin) {
mbed_official 0:fd0d7bdfcdc2 30 pin_function(pin, map->function);
mbed_official 0:fd0d7bdfcdc2 31 pin_mode(pin, PullNone);
mbed_official 0:fd0d7bdfcdc2 32 return;
mbed_official 0:fd0d7bdfcdc2 33 }
mbed_official 0:fd0d7bdfcdc2 34 map++;
mbed_official 0:fd0d7bdfcdc2 35 }
mbed_official 0:fd0d7bdfcdc2 36 error("could not pinout");
mbed_official 0:fd0d7bdfcdc2 37 }
mbed_official 0:fd0d7bdfcdc2 38
mbed_official 0:fd0d7bdfcdc2 39 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
mbed_official 0:fd0d7bdfcdc2 40 // both are the same (inc both NC)
mbed_official 0:fd0d7bdfcdc2 41 if (a == b) return a;
mbed_official 0:fd0d7bdfcdc2 42
mbed_official 0:fd0d7bdfcdc2 43 // one (or both) is not connected
mbed_official 0:fd0d7bdfcdc2 44 if (a == (uint32_t)NC) return b;
mbed_official 0:fd0d7bdfcdc2 45 if (b == (uint32_t)NC) return a;
mbed_official 0:fd0d7bdfcdc2 46
mbed_official 0:fd0d7bdfcdc2 47 // mis-match error case
mbed_official 0:fd0d7bdfcdc2 48 error("pinmap mis-match");
mbed_official 0:fd0d7bdfcdc2 49 return (uint32_t)NC;
mbed_official 0:fd0d7bdfcdc2 50 }
mbed_official 0:fd0d7bdfcdc2 51
mbed_official 0:fd0d7bdfcdc2 52 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
mbed_official 0:fd0d7bdfcdc2 53 if (pin == (uint32_t)NC)
mbed_official 0:fd0d7bdfcdc2 54 return (uint32_t)NC;
mbed_official 0:fd0d7bdfcdc2 55
mbed_official 0:fd0d7bdfcdc2 56 while (map->pin != NC) {
mbed_official 0:fd0d7bdfcdc2 57 if (map->pin == pin)
mbed_official 0:fd0d7bdfcdc2 58 return map->peripheral;
mbed_official 0:fd0d7bdfcdc2 59 map++;
mbed_official 0:fd0d7bdfcdc2 60 }
mbed_official 0:fd0d7bdfcdc2 61
mbed_official 0:fd0d7bdfcdc2 62 // no mapping available
mbed_official 0:fd0d7bdfcdc2 63 error("pinmap not found for peripheral");
mbed_official 0:fd0d7bdfcdc2 64 return (uint32_t)NC;
mbed_official 0:fd0d7bdfcdc2 65 }