mbed library sources. Supersedes mbed-src.
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Diff: common/pinmap_common.c
- Revision:
- 145:ce498f071de9
- Parent:
- 144:ef7eb2e8f9f7
- Child:
- 146:11f9a9a04805
diff -r ef7eb2e8f9f7 -r ce498f071de9 common/pinmap_common.c --- a/common/pinmap_common.c Fri Sep 02 15:07:44 2016 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,89 +0,0 @@ -/* 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 "mbed_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_find_peripheral(PinName pin, const PinMap* map) { - while (map->pin != NC) { - if (map->pin == pin) - return map->peripheral; - map++; - } - return (uint32_t)NC; -} - -uint32_t pinmap_peripheral(PinName pin, const PinMap* map) { - uint32_t peripheral = (uint32_t)NC; - - if (pin == (PinName)NC) - return (uint32_t)NC; - peripheral = pinmap_find_peripheral(pin, map); - if ((uint32_t)NC == peripheral) // no mapping available - error("pinmap not found for peripheral"); - return peripheral; -} - -uint32_t pinmap_find_function(PinName pin, const PinMap* map) { - while (map->pin != NC) { - if (map->pin == pin) - return map->function; - map++; - } - return (uint32_t)NC; -} - -uint32_t pinmap_function(PinName pin, const PinMap* map) { - uint32_t function = (uint32_t)NC; - - if (pin == (PinName)NC) - return (uint32_t)NC; - function = pinmap_find_function(pin, map); - if ((uint32_t)NC == function) // no mapping available - error("pinmap not found for function"); - return function; -}