fix for mbed lib issue 3 (i2c problem) see also https://mbed.org/users/mbed_official/code/mbed/issues/3 affected implementations: LPC812, LPC11U24, LPC1768, LPC2368, LPC4088
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pinmap_common.c
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #include "pinmap.h" 00017 #include "error.h" 00018 00019 void pinmap_pinout(PinName pin, const PinMap *map) { 00020 if (pin == NC) return; 00021 00022 while (map->pin != NC) { 00023 if (map->pin == pin) { 00024 pin_function(pin, map->function); 00025 pin_mode(pin, PullNone); 00026 return; 00027 } 00028 map++; 00029 } 00030 error("could not pinout"); 00031 } 00032 00033 uint32_t pinmap_merge(uint32_t a, uint32_t b) { 00034 // both are the same (inc both NC) 00035 if (a == b) return a; 00036 00037 // one (or both) is not connected 00038 if (a == (uint32_t)NC) return b; 00039 if (b == (uint32_t)NC) return a; 00040 00041 // mis-match error case 00042 error("pinmap mis-match"); 00043 return (uint32_t)NC; 00044 } 00045 00046 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) { 00047 if (pin == (uint32_t)NC) 00048 return (uint32_t)NC; 00049 00050 while (map->pin != NC) { 00051 if (map->pin == pin) 00052 return map->peripheral; 00053 map++; 00054 } 00055 00056 // no mapping available 00057 error("pinmap not found for peripheral"); 00058 return (uint32_t)NC; 00059 }
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