Magnificent7 / Hackathon

Includes library modifications to allow access to AIN_4 (AIN_0 / 5)

mbd_os/hal/common/mbed_pinmap_common.c@0:eafc3fd41f75, 2016-09-20 (annotated)

Committer:
bryantaylor
Date:
Tue Sep 20 21:26:12 2016 +0000
Revision:
0:eafc3fd41f75
hackathon

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bryantaylor 0:eafc3fd41f75 1 /* mbed Microcontroller Library
bryantaylor 0:eafc3fd41f75 2 * Copyright (c) 2006-2013 ARM Limited
bryantaylor 0:eafc3fd41f75 3 *
bryantaylor 0:eafc3fd41f75 4 * Licensed under the Apache License, Version 2.0 (the "License");
bryantaylor 0:eafc3fd41f75 5 * you may not use this file except in compliance with the License.
bryantaylor 0:eafc3fd41f75 6 * You may obtain a copy of the License at
bryantaylor 0:eafc3fd41f75 7 *
bryantaylor 0:eafc3fd41f75 8 * http://www.apache.org/licenses/LICENSE-2.0
bryantaylor 0:eafc3fd41f75 9 *
bryantaylor 0:eafc3fd41f75 10 * Unless required by applicable law or agreed to in writing, software
bryantaylor 0:eafc3fd41f75 11 * distributed under the License is distributed on an "AS IS" BASIS,
bryantaylor 0:eafc3fd41f75 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bryantaylor 0:eafc3fd41f75 13 * See the License for the specific language governing permissions and
bryantaylor 0:eafc3fd41f75 14 * limitations under the License.
bryantaylor 0:eafc3fd41f75 15 */
bryantaylor 0:eafc3fd41f75 16 #include "pinmap.h"
bryantaylor 0:eafc3fd41f75 17 #include "mbed_error.h"
bryantaylor 0:eafc3fd41f75 18
bryantaylor 0:eafc3fd41f75 19 void pinmap_pinout(PinName pin, const PinMap *map) {
bryantaylor 0:eafc3fd41f75 20 if (pin == NC)
bryantaylor 0:eafc3fd41f75 21 return;
bryantaylor 0:eafc3fd41f75 22
bryantaylor 0:eafc3fd41f75 23 while (map->pin != NC) {
bryantaylor 0:eafc3fd41f75 24 if (map->pin == pin) {
bryantaylor 0:eafc3fd41f75 25 pin_function(pin, map->function);
bryantaylor 0:eafc3fd41f75 26
bryantaylor 0:eafc3fd41f75 27 pin_mode(pin, PullNone);
bryantaylor 0:eafc3fd41f75 28 return;
bryantaylor 0:eafc3fd41f75 29 }
bryantaylor 0:eafc3fd41f75 30 map++;
bryantaylor 0:eafc3fd41f75 31 }
bryantaylor 0:eafc3fd41f75 32 error("could not pinout");
bryantaylor 0:eafc3fd41f75 33 }
bryantaylor 0:eafc3fd41f75 34
bryantaylor 0:eafc3fd41f75 35 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
bryantaylor 0:eafc3fd41f75 36 // both are the same (inc both NC)
bryantaylor 0:eafc3fd41f75 37 if (a == b)
bryantaylor 0:eafc3fd41f75 38 return a;
bryantaylor 0:eafc3fd41f75 39
bryantaylor 0:eafc3fd41f75 40 // one (or both) is not connected
bryantaylor 0:eafc3fd41f75 41 if (a == (uint32_t)NC)
bryantaylor 0:eafc3fd41f75 42 return b;
bryantaylor 0:eafc3fd41f75 43 if (b == (uint32_t)NC)
bryantaylor 0:eafc3fd41f75 44 return a;
bryantaylor 0:eafc3fd41f75 45
bryantaylor 0:eafc3fd41f75 46 // mis-match error case
bryantaylor 0:eafc3fd41f75 47 error("pinmap mis-match");
bryantaylor 0:eafc3fd41f75 48 return (uint32_t)NC;
bryantaylor 0:eafc3fd41f75 49 }
bryantaylor 0:eafc3fd41f75 50
bryantaylor 0:eafc3fd41f75 51 uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
bryantaylor 0:eafc3fd41f75 52 while (map->pin != NC) {
bryantaylor 0:eafc3fd41f75 53 if (map->pin == pin)
bryantaylor 0:eafc3fd41f75 54 return map->peripheral;
bryantaylor 0:eafc3fd41f75 55 map++;
bryantaylor 0:eafc3fd41f75 56 }
bryantaylor 0:eafc3fd41f75 57 return (uint32_t)NC;
bryantaylor 0:eafc3fd41f75 58 }
bryantaylor 0:eafc3fd41f75 59
bryantaylor 0:eafc3fd41f75 60 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
bryantaylor 0:eafc3fd41f75 61 uint32_t peripheral = (uint32_t)NC;
bryantaylor 0:eafc3fd41f75 62
bryantaylor 0:eafc3fd41f75 63 if (pin == (PinName)NC)
bryantaylor 0:eafc3fd41f75 64 return (uint32_t)NC;
bryantaylor 0:eafc3fd41f75 65 peripheral = pinmap_find_peripheral(pin, map);
bryantaylor 0:eafc3fd41f75 66 if ((uint32_t)NC == peripheral) // no mapping available
bryantaylor 0:eafc3fd41f75 67 error("pinmap not found for peripheral");
bryantaylor 0:eafc3fd41f75 68 return peripheral;
bryantaylor 0:eafc3fd41f75 69 }
bryantaylor 0:eafc3fd41f75 70
bryantaylor 0:eafc3fd41f75 71 uint32_t pinmap_find_function(PinName pin, const PinMap* map) {
bryantaylor 0:eafc3fd41f75 72 while (map->pin != NC) {
bryantaylor 0:eafc3fd41f75 73 if (map->pin == pin)
bryantaylor 0:eafc3fd41f75 74 return map->function;
bryantaylor 0:eafc3fd41f75 75 map++;
bryantaylor 0:eafc3fd41f75 76 }
bryantaylor 0:eafc3fd41f75 77 return (uint32_t)NC;
bryantaylor 0:eafc3fd41f75 78 }
bryantaylor 0:eafc3fd41f75 79
bryantaylor 0:eafc3fd41f75 80 uint32_t pinmap_function(PinName pin, const PinMap* map) {
bryantaylor 0:eafc3fd41f75 81 uint32_t function = (uint32_t)NC;
bryantaylor 0:eafc3fd41f75 82
bryantaylor 0:eafc3fd41f75 83 if (pin == (PinName)NC)
bryantaylor 0:eafc3fd41f75 84 return (uint32_t)NC;
bryantaylor 0:eafc3fd41f75 85 function = pinmap_find_function(pin, map);
bryantaylor 0:eafc3fd41f75 86 if ((uint32_t)NC == function) // no mapping available
bryantaylor 0:eafc3fd41f75 87 error("pinmap not found for function");
bryantaylor 0:eafc3fd41f75 88 return function;
bryantaylor 0:eafc3fd41f75 89 }