Kev Mann / mbed-dev-OS5_10_4

RTC auf true

hal/mbed_pinmap_common.c@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 2 * Copyright (c) 2006-2013 ARM Limited
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 5 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 6 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 9 *
kevman 0:38ceb79fef03 10 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 13 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 14 * limitations under the License.
kevman 0:38ceb79fef03 15 */
kevman 0:38ceb79fef03 16 #include "hal/pinmap.h"
kevman 0:38ceb79fef03 17 #include "platform/mbed_error.h"
kevman 0:38ceb79fef03 18
kevman 0:38ceb79fef03 19 void pinmap_pinout(PinName pin, const PinMap *map)
kevman 0:38ceb79fef03 20 {
kevman 0:38ceb79fef03 21 if (pin == NC) {
kevman 0:38ceb79fef03 22 return;
kevman 0:38ceb79fef03 23 }
kevman 0:38ceb79fef03 24
kevman 0:38ceb79fef03 25 while (map->pin != NC) {
kevman 0:38ceb79fef03 26 if (map->pin == pin) {
kevman 0:38ceb79fef03 27 pin_function(pin, map->function);
kevman 0:38ceb79fef03 28
kevman 0:38ceb79fef03 29 pin_mode(pin, PullNone);
kevman 0:38ceb79fef03 30 return;
kevman 0:38ceb79fef03 31 }
kevman 0:38ceb79fef03 32 map++;
kevman 0:38ceb79fef03 33 }
kevman 0:38ceb79fef03 34 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_PINMAP_INVALID), "could not pinout", pin);
kevman 0:38ceb79fef03 35 }
kevman 0:38ceb79fef03 36
kevman 0:38ceb79fef03 37 uint32_t pinmap_merge(uint32_t a, uint32_t b)
kevman 0:38ceb79fef03 38 {
kevman 0:38ceb79fef03 39 // both are the same (inc both NC)
kevman 0:38ceb79fef03 40 if (a == b) {
kevman 0:38ceb79fef03 41 return a;
kevman 0:38ceb79fef03 42 }
kevman 0:38ceb79fef03 43
kevman 0:38ceb79fef03 44 // one (or both) is not connected
kevman 0:38ceb79fef03 45 if (a == (uint32_t)NC) {
kevman 0:38ceb79fef03 46 return b;
kevman 0:38ceb79fef03 47 }
kevman 0:38ceb79fef03 48 if (b == (uint32_t)NC) {
kevman 0:38ceb79fef03 49 return a;
kevman 0:38ceb79fef03 50 }
kevman 0:38ceb79fef03 51
kevman 0:38ceb79fef03 52 // mis-match error case
kevman 0:38ceb79fef03 53 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_PINMAP_INVALID), "pinmap mis-match", a);
kevman 0:38ceb79fef03 54 return (uint32_t)NC;
kevman 0:38ceb79fef03 55 }
kevman 0:38ceb79fef03 56
kevman 0:38ceb79fef03 57 uint32_t pinmap_find_peripheral(PinName pin, const PinMap *map)
kevman 0:38ceb79fef03 58 {
kevman 0:38ceb79fef03 59 while (map->pin != NC) {
kevman 0:38ceb79fef03 60 if (map->pin == pin) {
kevman 0:38ceb79fef03 61 return map->peripheral;
kevman 0:38ceb79fef03 62 }
kevman 0:38ceb79fef03 63 map++;
kevman 0:38ceb79fef03 64 }
kevman 0:38ceb79fef03 65 return (uint32_t)NC;
kevman 0:38ceb79fef03 66 }
kevman 0:38ceb79fef03 67
kevman 0:38ceb79fef03 68 uint32_t pinmap_peripheral(PinName pin, const PinMap *map)
kevman 0:38ceb79fef03 69 {
kevman 0:38ceb79fef03 70 uint32_t peripheral = (uint32_t)NC;
kevman 0:38ceb79fef03 71
kevman 0:38ceb79fef03 72 if (pin == (PinName)NC) {
kevman 0:38ceb79fef03 73 return (uint32_t)NC;
kevman 0:38ceb79fef03 74 }
kevman 0:38ceb79fef03 75 peripheral = pinmap_find_peripheral(pin, map);
kevman 0:38ceb79fef03 76 if ((uint32_t)NC == peripheral) { // no mapping available
kevman 0:38ceb79fef03 77 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_PINMAP_INVALID), "pinmap not found for peripheral", peripheral);
kevman 0:38ceb79fef03 78 }
kevman 0:38ceb79fef03 79 return peripheral;
kevman 0:38ceb79fef03 80 }
kevman 0:38ceb79fef03 81
kevman 0:38ceb79fef03 82 uint32_t pinmap_find_function(PinName pin, const PinMap *map)
kevman 0:38ceb79fef03 83 {
kevman 0:38ceb79fef03 84 while (map->pin != NC) {
kevman 0:38ceb79fef03 85 if (map->pin == pin) {
kevman 0:38ceb79fef03 86 return map->function;
kevman 0:38ceb79fef03 87 }
kevman 0:38ceb79fef03 88 map++;
kevman 0:38ceb79fef03 89 }
kevman 0:38ceb79fef03 90 return (uint32_t)NC;
kevman 0:38ceb79fef03 91 }
kevman 0:38ceb79fef03 92
kevman 0:38ceb79fef03 93 uint32_t pinmap_function(PinName pin, const PinMap *map)
kevman 0:38ceb79fef03 94 {
kevman 0:38ceb79fef03 95 uint32_t function = (uint32_t)NC;
kevman 0:38ceb79fef03 96
kevman 0:38ceb79fef03 97 if (pin == (PinName)NC) {
kevman 0:38ceb79fef03 98 return (uint32_t)NC;
kevman 0:38ceb79fef03 99 }
kevman 0:38ceb79fef03 100 function = pinmap_find_function(pin, map);
kevman 0:38ceb79fef03 101 if ((uint32_t)NC == function) { // no mapping available
kevman 0:38ceb79fef03 102 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_PINMAP_INVALID), "pinmap not found for function", function);
kevman 0:38ceb79fef03 103 }
kevman 0:38ceb79fef03 104 return function;
kevman 0:38ceb79fef03 105 }