Thomas Lyp / DevLibMemoryController

Initial commit

Dependencies:   FastPWM

mbed-dev-master/hal/mbed_pinmap_common.c@0:bb348c97df44, 2020-09-16 (annotated)

Committer:
lypinator
Date:
Wed Sep 16 01:11:49 2020 +0000
Revision:
0:bb348c97df44
Added PWM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lypinator 0:bb348c97df44 1 /* mbed Microcontroller Library
lypinator 0:bb348c97df44 2 * Copyright (c) 2006-2013 ARM Limited
lypinator 0:bb348c97df44 3 *
lypinator 0:bb348c97df44 4 * Licensed under the Apache License, Version 2.0 (the "License");
lypinator 0:bb348c97df44 5 * you may not use this file except in compliance with the License.
lypinator 0:bb348c97df44 6 * You may obtain a copy of the License at
lypinator 0:bb348c97df44 7 *
lypinator 0:bb348c97df44 8 * http://www.apache.org/licenses/LICENSE-2.0
lypinator 0:bb348c97df44 9 *
lypinator 0:bb348c97df44 10 * Unless required by applicable law or agreed to in writing, software
lypinator 0:bb348c97df44 11 * distributed under the License is distributed on an "AS IS" BASIS,
lypinator 0:bb348c97df44 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
lypinator 0:bb348c97df44 13 * See the License for the specific language governing permissions and
lypinator 0:bb348c97df44 14 * limitations under the License.
lypinator 0:bb348c97df44 15 */
lypinator 0:bb348c97df44 16 #include "hal/pinmap.h"
lypinator 0:bb348c97df44 17 #include "platform/mbed_error.h"
lypinator 0:bb348c97df44 18
lypinator 0:bb348c97df44 19 void pinmap_pinout(PinName pin, const PinMap *map)
lypinator 0:bb348c97df44 20 {
lypinator 0:bb348c97df44 21 if (pin == NC) {
lypinator 0:bb348c97df44 22 return;
lypinator 0:bb348c97df44 23 }
lypinator 0:bb348c97df44 24
lypinator 0:bb348c97df44 25 while (map->pin != NC) {
lypinator 0:bb348c97df44 26 if (map->pin == pin) {
lypinator 0:bb348c97df44 27 pin_function(pin, map->function);
lypinator 0:bb348c97df44 28
lypinator 0:bb348c97df44 29 pin_mode(pin, PullNone);
lypinator 0:bb348c97df44 30 return;
lypinator 0:bb348c97df44 31 }
lypinator 0:bb348c97df44 32 map++;
lypinator 0:bb348c97df44 33 }
lypinator 0:bb348c97df44 34 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_PINMAP_INVALID), "could not pinout", pin);
lypinator 0:bb348c97df44 35 }
lypinator 0:bb348c97df44 36
lypinator 0:bb348c97df44 37 uint32_t pinmap_merge(uint32_t a, uint32_t b)
lypinator 0:bb348c97df44 38 {
lypinator 0:bb348c97df44 39 // both are the same (inc both NC)
lypinator 0:bb348c97df44 40 if (a == b) {
lypinator 0:bb348c97df44 41 return a;
lypinator 0:bb348c97df44 42 }
lypinator 0:bb348c97df44 43
lypinator 0:bb348c97df44 44 // one (or both) is not connected
lypinator 0:bb348c97df44 45 if (a == (uint32_t)NC) {
lypinator 0:bb348c97df44 46 return b;
lypinator 0:bb348c97df44 47 }
lypinator 0:bb348c97df44 48 if (b == (uint32_t)NC) {
lypinator 0:bb348c97df44 49 return a;
lypinator 0:bb348c97df44 50 }
lypinator 0:bb348c97df44 51
lypinator 0:bb348c97df44 52 // mis-match error case
lypinator 0:bb348c97df44 53 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_PINMAP_INVALID), "pinmap mis-match", a);
lypinator 0:bb348c97df44 54 return (uint32_t)NC;
lypinator 0:bb348c97df44 55 }
lypinator 0:bb348c97df44 56
lypinator 0:bb348c97df44 57 uint32_t pinmap_find_peripheral(PinName pin, const PinMap *map)
lypinator 0:bb348c97df44 58 {
lypinator 0:bb348c97df44 59 while (map->pin != NC) {
lypinator 0:bb348c97df44 60 if (map->pin == pin) {
lypinator 0:bb348c97df44 61 return map->peripheral;
lypinator 0:bb348c97df44 62 }
lypinator 0:bb348c97df44 63 map++;
lypinator 0:bb348c97df44 64 }
lypinator 0:bb348c97df44 65 return (uint32_t)NC;
lypinator 0:bb348c97df44 66 }
lypinator 0:bb348c97df44 67
lypinator 0:bb348c97df44 68 uint32_t pinmap_peripheral(PinName pin, const PinMap *map)
lypinator 0:bb348c97df44 69 {
lypinator 0:bb348c97df44 70 uint32_t peripheral = (uint32_t)NC;
lypinator 0:bb348c97df44 71
lypinator 0:bb348c97df44 72 if (pin == (PinName)NC) {
lypinator 0:bb348c97df44 73 return (uint32_t)NC;
lypinator 0:bb348c97df44 74 }
lypinator 0:bb348c97df44 75 peripheral = pinmap_find_peripheral(pin, map);
lypinator 0:bb348c97df44 76 if ((uint32_t)NC == peripheral) { // no mapping available
lypinator 0:bb348c97df44 77 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_PINMAP_INVALID), "pinmap not found for peripheral", peripheral);
lypinator 0:bb348c97df44 78 }
lypinator 0:bb348c97df44 79 return peripheral;
lypinator 0:bb348c97df44 80 }
lypinator 0:bb348c97df44 81
lypinator 0:bb348c97df44 82 uint32_t pinmap_find_function(PinName pin, const PinMap *map)
lypinator 0:bb348c97df44 83 {
lypinator 0:bb348c97df44 84 while (map->pin != NC) {
lypinator 0:bb348c97df44 85 if (map->pin == pin) {
lypinator 0:bb348c97df44 86 return map->function;
lypinator 0:bb348c97df44 87 }
lypinator 0:bb348c97df44 88 map++;
lypinator 0:bb348c97df44 89 }
lypinator 0:bb348c97df44 90 return (uint32_t)NC;
lypinator 0:bb348c97df44 91 }
lypinator 0:bb348c97df44 92
lypinator 0:bb348c97df44 93 uint32_t pinmap_function(PinName pin, const PinMap *map)
lypinator 0:bb348c97df44 94 {
lypinator 0:bb348c97df44 95 uint32_t function = (uint32_t)NC;
lypinator 0:bb348c97df44 96
lypinator 0:bb348c97df44 97 if (pin == (PinName)NC) {
lypinator 0:bb348c97df44 98 return (uint32_t)NC;
lypinator 0:bb348c97df44 99 }
lypinator 0:bb348c97df44 100 function = pinmap_find_function(pin, map);
lypinator 0:bb348c97df44 101 if ((uint32_t)NC == function) { // no mapping available
lypinator 0:bb348c97df44 102 MBED_ERROR1(MBED_MAKE_ERROR(MBED_MODULE_PLATFORM, MBED_ERROR_CODE_PINMAP_INVALID), "pinmap not found for function", function);
lypinator 0:bb348c97df44 103 }
lypinator 0:bb348c97df44 104 return function;
lypinator 0:bb348c97df44 105 }