SDK Development / mbed-src

mbed SDK library sources

Fork of mbed-src by mbed official

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:

Import librarymbed

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

common/pinmap_common.c@89:9655231f5786, 2014-02-11 (annotated)

Committer:
mbed_official
Date:
Tue Feb 11 15:00:06 2014 +0000
Revision:
89:9655231f5786
Parent:
64:7b352733b00a 
Synchronized with git revision 17499c34d273f02497e0706d3abc516b12f3fc62



Full URL: https://github.com/mbedmicro/mbed/commit/17499c34d273f02497e0706d3abc516b12f3fc62/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
emilmont 10:3bc89ef62ce7 16 #include "pinmap.h"
emilmont 10:3bc89ef62ce7 17 #include "error.h"
emilmont 10:3bc89ef62ce7 18
emilmont 10:3bc89ef62ce7 19 void pinmap_pinout(PinName pin, const PinMap *map) {
emilmont 10:3bc89ef62ce7 20 if (pin == NC) return;
emilmont 10:3bc89ef62ce7 21
emilmont 10:3bc89ef62ce7 22 while (map->pin != NC) {
emilmont 10:3bc89ef62ce7 23 if (map->pin == pin) {
emilmont 10:3bc89ef62ce7 24 pin_function(pin, map->function);
bogdanm 13:0645d8841f51 25
emilmont 10:3bc89ef62ce7 26 pin_mode(pin, PullNone);
emilmont 10:3bc89ef62ce7 27 return;
emilmont 10:3bc89ef62ce7 28 }
emilmont 10:3bc89ef62ce7 29 map++;
emilmont 10:3bc89ef62ce7 30 }
emilmont 10:3bc89ef62ce7 31 error("could not pinout");
emilmont 10:3bc89ef62ce7 32 }
emilmont 10:3bc89ef62ce7 33
emilmont 10:3bc89ef62ce7 34 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
emilmont 10:3bc89ef62ce7 35 // both are the same (inc both NC)
emilmont 10:3bc89ef62ce7 36 if (a == b) return a;
emilmont 10:3bc89ef62ce7 37
emilmont 10:3bc89ef62ce7 38 // one (or both) is not connected
emilmont 10:3bc89ef62ce7 39 if (a == (uint32_t)NC) return b;
emilmont 10:3bc89ef62ce7 40 if (b == (uint32_t)NC) return a;
emilmont 10:3bc89ef62ce7 41
emilmont 10:3bc89ef62ce7 42 // mis-match error case
emilmont 10:3bc89ef62ce7 43 error("pinmap mis-match");
emilmont 10:3bc89ef62ce7 44 return (uint32_t)NC;
emilmont 10:3bc89ef62ce7 45 }
emilmont 10:3bc89ef62ce7 46
mbed_official 64:7b352733b00a 47 uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
emilmont 10:3bc89ef62ce7 48 while (map->pin != NC) {
emilmont 10:3bc89ef62ce7 49 if (map->pin == pin)
emilmont 10:3bc89ef62ce7 50 return map->peripheral;
emilmont 10:3bc89ef62ce7 51 map++;
emilmont 10:3bc89ef62ce7 52 }
emilmont 10:3bc89ef62ce7 53 return (uint32_t)NC;
emilmont 10:3bc89ef62ce7 54 }
mbed_official 64:7b352733b00a 55
mbed_official 64:7b352733b00a 56 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
mbed_official 64:7b352733b00a 57 uint32_t peripheral = (uint32_t)NC;
mbed_official 64:7b352733b00a 58
mbed_official 64:7b352733b00a 59 if (pin == (PinName)NC)
mbed_official 64:7b352733b00a 60 return (uint32_t)NC;
mbed_official 64:7b352733b00a 61 peripheral = pinmap_find_peripheral(pin, map);
mbed_official 64:7b352733b00a 62 if ((uint32_t)NC == peripheral) // no mapping available
mbed_official 64:7b352733b00a 63 error("pinmap not found for peripheral");
mbed_official 64:7b352733b00a 64 return peripheral;
mbed_official 64:7b352733b00a 65 }