Greg Steiert / pegasus_dev

Development mbed library for MAX32630FTHR

Dependents:   blinky_max32630fthr

hal/mbed_pinmap_common.c@0:5c4d7b2438d3, 2016-11-11 (annotated)

Committer:
switches
Date:
Fri Nov 11 20:59:50 2016 +0000
Revision:
0:5c4d7b2438d3
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:5c4d7b2438d3 1 /* mbed Microcontroller Library
switches 0:5c4d7b2438d3 2 * Copyright (c) 2006-2013 ARM Limited
switches 0:5c4d7b2438d3 3 *
switches 0:5c4d7b2438d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
switches 0:5c4d7b2438d3 5 * you may not use this file except in compliance with the License.
switches 0:5c4d7b2438d3 6 * You may obtain a copy of the License at
switches 0:5c4d7b2438d3 7 *
switches 0:5c4d7b2438d3 8 * http://www.apache.org/licenses/LICENSE-2.0
switches 0:5c4d7b2438d3 9 *
switches 0:5c4d7b2438d3 10 * Unless required by applicable law or agreed to in writing, software
switches 0:5c4d7b2438d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
switches 0:5c4d7b2438d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:5c4d7b2438d3 13 * See the License for the specific language governing permissions and
switches 0:5c4d7b2438d3 14 * limitations under the License.
switches 0:5c4d7b2438d3 15 */
switches 0:5c4d7b2438d3 16 #include "hal/pinmap.h"
switches 0:5c4d7b2438d3 17 #include "platform/mbed_error.h"
switches 0:5c4d7b2438d3 18
switches 0:5c4d7b2438d3 19 void pinmap_pinout(PinName pin, const PinMap *map) {
switches 0:5c4d7b2438d3 20 if (pin == NC)
switches 0:5c4d7b2438d3 21 return;
switches 0:5c4d7b2438d3 22
switches 0:5c4d7b2438d3 23 while (map->pin != NC) {
switches 0:5c4d7b2438d3 24 if (map->pin == pin) {
switches 0:5c4d7b2438d3 25 pin_function(pin, map->function);
switches 0:5c4d7b2438d3 26
switches 0:5c4d7b2438d3 27 pin_mode(pin, PullNone);
switches 0:5c4d7b2438d3 28 return;
switches 0:5c4d7b2438d3 29 }
switches 0:5c4d7b2438d3 30 map++;
switches 0:5c4d7b2438d3 31 }
switches 0:5c4d7b2438d3 32 error("could not pinout");
switches 0:5c4d7b2438d3 33 }
switches 0:5c4d7b2438d3 34
switches 0:5c4d7b2438d3 35 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
switches 0:5c4d7b2438d3 36 // both are the same (inc both NC)
switches 0:5c4d7b2438d3 37 if (a == b)
switches 0:5c4d7b2438d3 38 return a;
switches 0:5c4d7b2438d3 39
switches 0:5c4d7b2438d3 40 // one (or both) is not connected
switches 0:5c4d7b2438d3 41 if (a == (uint32_t)NC)
switches 0:5c4d7b2438d3 42 return b;
switches 0:5c4d7b2438d3 43 if (b == (uint32_t)NC)
switches 0:5c4d7b2438d3 44 return a;
switches 0:5c4d7b2438d3 45
switches 0:5c4d7b2438d3 46 // mis-match error case
switches 0:5c4d7b2438d3 47 error("pinmap mis-match");
switches 0:5c4d7b2438d3 48 return (uint32_t)NC;
switches 0:5c4d7b2438d3 49 }
switches 0:5c4d7b2438d3 50
switches 0:5c4d7b2438d3 51 uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
switches 0:5c4d7b2438d3 52 while (map->pin != NC) {
switches 0:5c4d7b2438d3 53 if (map->pin == pin)
switches 0:5c4d7b2438d3 54 return map->peripheral;
switches 0:5c4d7b2438d3 55 map++;
switches 0:5c4d7b2438d3 56 }
switches 0:5c4d7b2438d3 57 return (uint32_t)NC;
switches 0:5c4d7b2438d3 58 }
switches 0:5c4d7b2438d3 59
switches 0:5c4d7b2438d3 60 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
switches 0:5c4d7b2438d3 61 uint32_t peripheral = (uint32_t)NC;
switches 0:5c4d7b2438d3 62
switches 0:5c4d7b2438d3 63 if (pin == (PinName)NC)
switches 0:5c4d7b2438d3 64 return (uint32_t)NC;
switches 0:5c4d7b2438d3 65 peripheral = pinmap_find_peripheral(pin, map);
switches 0:5c4d7b2438d3 66 if ((uint32_t)NC == peripheral) // no mapping available
switches 0:5c4d7b2438d3 67 error("pinmap not found for peripheral");
switches 0:5c4d7b2438d3 68 return peripheral;
switches 0:5c4d7b2438d3 69 }
switches 0:5c4d7b2438d3 70
switches 0:5c4d7b2438d3 71 uint32_t pinmap_find_function(PinName pin, const PinMap* map) {
switches 0:5c4d7b2438d3 72 while (map->pin != NC) {
switches 0:5c4d7b2438d3 73 if (map->pin == pin)
switches 0:5c4d7b2438d3 74 return map->function;
switches 0:5c4d7b2438d3 75 map++;
switches 0:5c4d7b2438d3 76 }
switches 0:5c4d7b2438d3 77 return (uint32_t)NC;
switches 0:5c4d7b2438d3 78 }
switches 0:5c4d7b2438d3 79
switches 0:5c4d7b2438d3 80 uint32_t pinmap_function(PinName pin, const PinMap* map) {
switches 0:5c4d7b2438d3 81 uint32_t function = (uint32_t)NC;
switches 0:5c4d7b2438d3 82
switches 0:5c4d7b2438d3 83 if (pin == (PinName)NC)
switches 0:5c4d7b2438d3 84 return (uint32_t)NC;
switches 0:5c4d7b2438d3 85 function = pinmap_find_function(pin, map);
switches 0:5c4d7b2438d3 86 if ((uint32_t)NC == function) // no mapping available
switches 0:5c4d7b2438d3 87 error("pinmap not found for function");
switches 0:5c4d7b2438d3 88 return function;
switches 0:5c4d7b2438d3 89 }