PHung Tung / SRC_STM32F7

SPKT

Dependents:   WAV

common/pinmap_common.c@0:e87aa4c49e95, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:51:46 2019 +0000
Revision:
0:e87aa4c49e95
libray

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:e87aa4c49e95 1 /* mbed Microcontroller Library
phungductung 0:e87aa4c49e95 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:e87aa4c49e95 3 *
phungductung 0:e87aa4c49e95 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:e87aa4c49e95 5 * you may not use this file except in compliance with the License.
phungductung 0:e87aa4c49e95 6 * You may obtain a copy of the License at
phungductung 0:e87aa4c49e95 7 *
phungductung 0:e87aa4c49e95 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:e87aa4c49e95 9 *
phungductung 0:e87aa4c49e95 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:e87aa4c49e95 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:e87aa4c49e95 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:e87aa4c49e95 13 * See the License for the specific language governing permissions and
phungductung 0:e87aa4c49e95 14 * limitations under the License.
phungductung 0:e87aa4c49e95 15 */
phungductung 0:e87aa4c49e95 16 #include "pinmap.h"
phungductung 0:e87aa4c49e95 17 #include "mbed_error.h"
phungductung 0:e87aa4c49e95 18
phungductung 0:e87aa4c49e95 19 void pinmap_pinout(PinName pin, const PinMap *map) {
phungductung 0:e87aa4c49e95 20 if (pin == NC)
phungductung 0:e87aa4c49e95 21 return;
phungductung 0:e87aa4c49e95 22
phungductung 0:e87aa4c49e95 23 while (map->pin != NC) {
phungductung 0:e87aa4c49e95 24 if (map->pin == pin) {
phungductung 0:e87aa4c49e95 25 pin_function(pin, map->function);
phungductung 0:e87aa4c49e95 26
phungductung 0:e87aa4c49e95 27 pin_mode(pin, PullNone);
phungductung 0:e87aa4c49e95 28 return;
phungductung 0:e87aa4c49e95 29 }
phungductung 0:e87aa4c49e95 30 map++;
phungductung 0:e87aa4c49e95 31 }
phungductung 0:e87aa4c49e95 32 error("could not pinout");
phungductung 0:e87aa4c49e95 33 }
phungductung 0:e87aa4c49e95 34
phungductung 0:e87aa4c49e95 35 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
phungductung 0:e87aa4c49e95 36 // both are the same (inc both NC)
phungductung 0:e87aa4c49e95 37 if (a == b)
phungductung 0:e87aa4c49e95 38 return a;
phungductung 0:e87aa4c49e95 39
phungductung 0:e87aa4c49e95 40 // one (or both) is not connected
phungductung 0:e87aa4c49e95 41 if (a == (uint32_t)NC)
phungductung 0:e87aa4c49e95 42 return b;
phungductung 0:e87aa4c49e95 43 if (b == (uint32_t)NC)
phungductung 0:e87aa4c49e95 44 return a;
phungductung 0:e87aa4c49e95 45
phungductung 0:e87aa4c49e95 46 // mis-match error case
phungductung 0:e87aa4c49e95 47 error("pinmap mis-match");
phungductung 0:e87aa4c49e95 48 return (uint32_t)NC;
phungductung 0:e87aa4c49e95 49 }
phungductung 0:e87aa4c49e95 50
phungductung 0:e87aa4c49e95 51 uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
phungductung 0:e87aa4c49e95 52 while (map->pin != NC) {
phungductung 0:e87aa4c49e95 53 if (map->pin == pin)
phungductung 0:e87aa4c49e95 54 return map->peripheral;
phungductung 0:e87aa4c49e95 55 map++;
phungductung 0:e87aa4c49e95 56 }
phungductung 0:e87aa4c49e95 57 return (uint32_t)NC;
phungductung 0:e87aa4c49e95 58 }
phungductung 0:e87aa4c49e95 59
phungductung 0:e87aa4c49e95 60 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
phungductung 0:e87aa4c49e95 61 uint32_t peripheral = (uint32_t)NC;
phungductung 0:e87aa4c49e95 62
phungductung 0:e87aa4c49e95 63 if (pin == (PinName)NC)
phungductung 0:e87aa4c49e95 64 return (uint32_t)NC;
phungductung 0:e87aa4c49e95 65 peripheral = pinmap_find_peripheral(pin, map);
phungductung 0:e87aa4c49e95 66 if ((uint32_t)NC == peripheral) // no mapping available
phungductung 0:e87aa4c49e95 67 error("pinmap not found for peripheral");
phungductung 0:e87aa4c49e95 68 return peripheral;
phungductung 0:e87aa4c49e95 69 }
phungductung 0:e87aa4c49e95 70
phungductung 0:e87aa4c49e95 71 uint32_t pinmap_find_function(PinName pin, const PinMap* map) {
phungductung 0:e87aa4c49e95 72 while (map->pin != NC) {
phungductung 0:e87aa4c49e95 73 if (map->pin == pin)
phungductung 0:e87aa4c49e95 74 return map->function;
phungductung 0:e87aa4c49e95 75 map++;
phungductung 0:e87aa4c49e95 76 }
phungductung 0:e87aa4c49e95 77 return (uint32_t)NC;
phungductung 0:e87aa4c49e95 78 }
phungductung 0:e87aa4c49e95 79
phungductung 0:e87aa4c49e95 80 uint32_t pinmap_function(PinName pin, const PinMap* map) {
phungductung 0:e87aa4c49e95 81 uint32_t function = (uint32_t)NC;
phungductung 0:e87aa4c49e95 82
phungductung 0:e87aa4c49e95 83 if (pin == (PinName)NC)
phungductung 0:e87aa4c49e95 84 return (uint32_t)NC;
phungductung 0:e87aa4c49e95 85 function = pinmap_find_function(pin, map);
phungductung 0:e87aa4c49e95 86 if ((uint32_t)NC == function) // no mapping available
phungductung 0:e87aa4c49e95 87 error("pinmap not found for function");
phungductung 0:e87aa4c49e95 88 return function;
phungductung 0:e87aa4c49e95 89 }