mbed w/ spi bug fig
Fork of mbed-src by
common/pinmap_common.c@13:0645d8841f51, 2013-08-05 (annotated)
- Committer:
- bogdanm
- Date:
- Mon Aug 05 14:12:34 2013 +0300
- Revision:
- 13:0645d8841f51
- Parent:
- 10:3bc89ef62ce7
- Child:
- 19:398f4c622e1b
Update mbed sources to revision 64
Who changed what in which revision?
User | Revision | Line number | New 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) { |
emilmont | 10:3bc89ef62ce7 | 48 | if (pin == (uint32_t)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 | } |