1 /* mbed Microcontroller Library
2 * Copyright (c) 2006-2013 ARM Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include "mbed_error.h"
19 void pinmap_pinout(PinName pin, const PinMap *map) {
23 while (map->pin != NC) {
24 if (map->pin == pin) {
25 pin_function(pin, map->function);
27 pin_mode(pin, PullNone);
32 error("could not pinout");
35 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
36 // both are the same (inc both NC)
40 // one (or both) is not connected
41 if (a == (uint32_t)NC)
43 if (b == (uint32_t)NC)
46 // mis-match error case
47 error("pinmap mis-match");
51 uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
52 while (map->pin != NC) {
54 return map->peripheral;
60 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
61 uint32_t peripheral = (uint32_t)NC;
63 if (pin == (PinName)NC)
65 peripheral = pinmap_find_peripheral(pin, map);
66 if ((uint32_t)NC == peripheral) // no mapping available
67 error("pinmap not found for peripheral");
71 uint32_t pinmap_find_function(PinName pin, const PinMap* map) {
72 while (map->pin != NC) {
80 uint32_t pinmap_function(PinName pin, const PinMap* map) {
81 uint32_t function = (uint32_t)NC;
83 if (pin == (PinName)NC)
85 function = pinmap_find_function(pin, map);
86 if ((uint32_t)NC == function) // no mapping available
87 error("pinmap not found for function");