mbed library sources. Supersedes mbed-src.
Dependents: Hobbyking_Cheetah_Compact Hobbyking_Cheetah_Compact_DRV8323_14bit Hobbyking_Cheetah_Compact_DRV8323_V51_201907 HKC_MiniCheetah ... more
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hal/mbed_pinmap_common.c
- Committer:
- benkatz
- Date:
- 2018-07-30
- Revision:
- 181:36facd806e4a
- Parent:
- 149:156823d33999
File content as of revision 181:36facd806e4a:
/* 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 "hal/pinmap.h" #include "platform/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; }