PHung Tung / WAV2

SPKT

Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

mbed_src_STM32F7/common/pinmap_common.c@0:aa3fc5ad02f7, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 09:08:29 2019 +0000
Revision:
0:aa3fc5ad02f7
SPKT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:aa3fc5ad02f7 1 /* mbed Microcontroller Library
phungductung 0:aa3fc5ad02f7 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:aa3fc5ad02f7 3 *
phungductung 0:aa3fc5ad02f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:aa3fc5ad02f7 5 * you may not use this file except in compliance with the License.
phungductung 0:aa3fc5ad02f7 6 * You may obtain a copy of the License at
phungductung 0:aa3fc5ad02f7 7 *
phungductung 0:aa3fc5ad02f7 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:aa3fc5ad02f7 9 *
phungductung 0:aa3fc5ad02f7 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:aa3fc5ad02f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:aa3fc5ad02f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:aa3fc5ad02f7 13 * See the License for the specific language governing permissions and
phungductung 0:aa3fc5ad02f7 14 * limitations under the License.
phungductung 0:aa3fc5ad02f7 15 */
phungductung 0:aa3fc5ad02f7 16 #include "pinmap.h"
phungductung 0:aa3fc5ad02f7 17 #include "mbed_error.h"
phungductung 0:aa3fc5ad02f7 18
phungductung 0:aa3fc5ad02f7 19 void pinmap_pinout(PinName pin, const PinMap *map) {
phungductung 0:aa3fc5ad02f7 20 if (pin == NC)
phungductung 0:aa3fc5ad02f7 21 return;
phungductung 0:aa3fc5ad02f7 22
phungductung 0:aa3fc5ad02f7 23 while (map->pin != NC) {
phungductung 0:aa3fc5ad02f7 24 if (map->pin == pin) {
phungductung 0:aa3fc5ad02f7 25 pin_function(pin, map->function);
phungductung 0:aa3fc5ad02f7 26
phungductung 0:aa3fc5ad02f7 27 pin_mode(pin, PullNone);
phungductung 0:aa3fc5ad02f7 28 return;
phungductung 0:aa3fc5ad02f7 29 }
phungductung 0:aa3fc5ad02f7 30 map++;
phungductung 0:aa3fc5ad02f7 31 }
phungductung 0:aa3fc5ad02f7 32 error("could not pinout");
phungductung 0:aa3fc5ad02f7 33 }
phungductung 0:aa3fc5ad02f7 34
phungductung 0:aa3fc5ad02f7 35 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
phungductung 0:aa3fc5ad02f7 36 // both are the same (inc both NC)
phungductung 0:aa3fc5ad02f7 37 if (a == b)
phungductung 0:aa3fc5ad02f7 38 return a;
phungductung 0:aa3fc5ad02f7 39
phungductung 0:aa3fc5ad02f7 40 // one (or both) is not connected
phungductung 0:aa3fc5ad02f7 41 if (a == (uint32_t)NC)
phungductung 0:aa3fc5ad02f7 42 return b;
phungductung 0:aa3fc5ad02f7 43 if (b == (uint32_t)NC)
phungductung 0:aa3fc5ad02f7 44 return a;
phungductung 0:aa3fc5ad02f7 45
phungductung 0:aa3fc5ad02f7 46 // mis-match error case
phungductung 0:aa3fc5ad02f7 47 error("pinmap mis-match");
phungductung 0:aa3fc5ad02f7 48 return (uint32_t)NC;
phungductung 0:aa3fc5ad02f7 49 }
phungductung 0:aa3fc5ad02f7 50
phungductung 0:aa3fc5ad02f7 51 uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
phungductung 0:aa3fc5ad02f7 52 while (map->pin != NC) {
phungductung 0:aa3fc5ad02f7 53 if (map->pin == pin)
phungductung 0:aa3fc5ad02f7 54 return map->peripheral;
phungductung 0:aa3fc5ad02f7 55 map++;
phungductung 0:aa3fc5ad02f7 56 }
phungductung 0:aa3fc5ad02f7 57 return (uint32_t)NC;
phungductung 0:aa3fc5ad02f7 58 }
phungductung 0:aa3fc5ad02f7 59
phungductung 0:aa3fc5ad02f7 60 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
phungductung 0:aa3fc5ad02f7 61 uint32_t peripheral = (uint32_t)NC;
phungductung 0:aa3fc5ad02f7 62
phungductung 0:aa3fc5ad02f7 63 if (pin == (PinName)NC)
phungductung 0:aa3fc5ad02f7 64 return (uint32_t)NC;
phungductung 0:aa3fc5ad02f7 65 peripheral = pinmap_find_peripheral(pin, map);
phungductung 0:aa3fc5ad02f7 66 if ((uint32_t)NC == peripheral) // no mapping available
phungductung 0:aa3fc5ad02f7 67 error("pinmap not found for peripheral");
phungductung 0:aa3fc5ad02f7 68 return peripheral;
phungductung 0:aa3fc5ad02f7 69 }
phungductung 0:aa3fc5ad02f7 70
phungductung 0:aa3fc5ad02f7 71 uint32_t pinmap_find_function(PinName pin, const PinMap* map) {
phungductung 0:aa3fc5ad02f7 72 while (map->pin != NC) {
phungductung 0:aa3fc5ad02f7 73 if (map->pin == pin)
phungductung 0:aa3fc5ad02f7 74 return map->function;
phungductung 0:aa3fc5ad02f7 75 map++;
phungductung 0:aa3fc5ad02f7 76 }
phungductung 0:aa3fc5ad02f7 77 return (uint32_t)NC;
phungductung 0:aa3fc5ad02f7 78 }
phungductung 0:aa3fc5ad02f7 79
phungductung 0:aa3fc5ad02f7 80 uint32_t pinmap_function(PinName pin, const PinMap* map) {
phungductung 0:aa3fc5ad02f7 81 uint32_t function = (uint32_t)NC;
phungductung 0:aa3fc5ad02f7 82
phungductung 0:aa3fc5ad02f7 83 if (pin == (PinName)NC)
phungductung 0:aa3fc5ad02f7 84 return (uint32_t)NC;
phungductung 0:aa3fc5ad02f7 85 function = pinmap_find_function(pin, map);
phungductung 0:aa3fc5ad02f7 86 if ((uint32_t)NC == function) // no mapping available
phungductung 0:aa3fc5ad02f7 87 error("pinmap not found for function");
phungductung 0:aa3fc5ad02f7 88 return function;
phungductung 0:aa3fc5ad02f7 89 }