Milen Pavlov / XRange_mbed_src

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Dependents:   XRangePingPong XRange-LoRaWAN-lmic-app lora-transceiver

common/pinmap_common.c@19:398f4c622e1b, 2013-08-19 (annotated)

Committer:
bogdanm
Date:
Mon Aug 19 18:17:02 2013 +0300
Revision:
19:398f4c622e1b
Parent:
13:0645d8841f51
Child:
64:7b352733b00a
Sync with official mbed library release 66

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
emilmont 10:3bc89ef62ce7 16 #include "pinmap.h"
emilmont 10:3bc89ef62ce7 17 #include "error.h"
emilmont 10:3bc89ef62ce7 18
emilmont 10:3bc89ef62ce7 19 void pinmap_pinout(PinName pin, const PinMap *map) {
emilmont 10:3bc89ef62ce7 20 if (pin == NC) return;
emilmont 10:3bc89ef62ce7 21
emilmont 10:3bc89ef62ce7 22 while (map->pin != NC) {
emilmont 10:3bc89ef62ce7 23 if (map->pin == pin) {
emilmont 10:3bc89ef62ce7 24 pin_function(pin, map->function);
bogdanm 13:0645d8841f51 25
emilmont 10:3bc89ef62ce7 26 pin_mode(pin, PullNone);
emilmont 10:3bc89ef62ce7 27 return;
emilmont 10:3bc89ef62ce7 28 }
emilmont 10:3bc89ef62ce7 29 map++;
emilmont 10:3bc89ef62ce7 30 }
emilmont 10:3bc89ef62ce7 31 error("could not pinout");
emilmont 10:3bc89ef62ce7 32 }
emilmont 10:3bc89ef62ce7 33
emilmont 10:3bc89ef62ce7 34 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
emilmont 10:3bc89ef62ce7 35 // both are the same (inc both NC)
emilmont 10:3bc89ef62ce7 36 if (a == b) return a;
emilmont 10:3bc89ef62ce7 37
emilmont 10:3bc89ef62ce7 38 // one (or both) is not connected
emilmont 10:3bc89ef62ce7 39 if (a == (uint32_t)NC) return b;
emilmont 10:3bc89ef62ce7 40 if (b == (uint32_t)NC) return a;
emilmont 10:3bc89ef62ce7 41
emilmont 10:3bc89ef62ce7 42 // mis-match error case
emilmont 10:3bc89ef62ce7 43 error("pinmap mis-match");
emilmont 10:3bc89ef62ce7 44 return (uint32_t)NC;
emilmont 10:3bc89ef62ce7 45 }
emilmont 10:3bc89ef62ce7 46
emilmont 10:3bc89ef62ce7 47 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
bogdanm 19:398f4c622e1b 48 if (pin == (PinName)NC)
emilmont 10:3bc89ef62ce7 49 return (uint32_t)NC;
emilmont 10:3bc89ef62ce7 50
emilmont 10:3bc89ef62ce7 51 while (map->pin != NC) {
emilmont 10:3bc89ef62ce7 52 if (map->pin == pin)
emilmont 10:3bc89ef62ce7 53 return map->peripheral;
emilmont 10:3bc89ef62ce7 54 map++;
emilmont 10:3bc89ef62ce7 55 }
emilmont 10:3bc89ef62ce7 56
emilmont 10:3bc89ef62ce7 57 // no mapping available
emilmont 10:3bc89ef62ce7 58 error("pinmap not found for peripheral");
emilmont 10:3bc89ef62ce7 59 return (uint32_t)NC;
emilmont 10:3bc89ef62ce7 60 }