mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
common/pinmap_common.c
- Committer:
- emilmont
- Date:
- 2013-06-14
- Revision:
- 10:3bc89ef62ce7
- Parent:
- 9:0ce32e54c9a7
- Child:
- 13:0645d8841f51
File content as of revision 10:3bc89ef62ce7:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "pinmap.h" #include "error.h" void pinmap_pinout(PinName pin, const PinMap *map) { if (pin == NC) return; while (map->pin != NC) { if (map->pin == pin) { pin_function(pin, map->function); pin_mode(pin, PullNone); return; } map++; } error("could not pinout"); } uint32_t pinmap_merge(uint32_t a, uint32_t b) { // both are the same (inc both NC) if (a == b) return a; // one (or both) is not connected if (a == (uint32_t)NC) return b; if (b == (uint32_t)NC) return a; // mis-match error case error("pinmap mis-match"); return (uint32_t)NC; } uint32_t pinmap_peripheral(PinName pin, const PinMap* map) { if (pin == (uint32_t)NC) return (uint32_t)NC; while (map->pin != NC) { if (map->pin == pin) return map->peripheral; map++; } // no mapping available error("pinmap not found for peripheral"); return (uint32_t)NC; }