mbed library sources
Fork of mbed-src by
targets/hal/TARGET_NXP/TARGET_LPC15XX/pinmap.c@636:a11c0372f0ba, 2015-09-30 (annotated)
- Committer:
- mbed_official
- Date:
- Wed Sep 30 17:00:09 2015 +0100
- Revision:
- 636:a11c0372f0ba
- Parent:
- 285:31249416b6f9
Synchronized with git revision d29c98dae61be0946ddf3a3c641c7726056f9452
Full URL: https://github.com/mbedmicro/mbed/commit/d29c98dae61be0946ddf3a3c641c7726056f9452/
Added support for SAMW25
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 103:9b881da47c92 | 1 | /* mbed Microcontroller Library |
mbed_official | 103:9b881da47c92 | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 103:9b881da47c92 | 3 | * |
mbed_official | 103:9b881da47c92 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 103:9b881da47c92 | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 103:9b881da47c92 | 6 | * You may obtain a copy of the License at |
mbed_official | 103:9b881da47c92 | 7 | * |
mbed_official | 103:9b881da47c92 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 103:9b881da47c92 | 9 | * |
mbed_official | 103:9b881da47c92 | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 103:9b881da47c92 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 103:9b881da47c92 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 103:9b881da47c92 | 13 | * See the License for the specific language governing permissions and |
mbed_official | 103:9b881da47c92 | 14 | * limitations under the License. |
mbed_official | 103:9b881da47c92 | 15 | */ |
mbed_official | 227:7bd0639b8911 | 16 | #include "mbed_assert.h" |
mbed_official | 103:9b881da47c92 | 17 | #include "pinmap.h" |
mbed_official | 285:31249416b6f9 | 18 | #include "mbed_error.h" |
mbed_official | 103:9b881da47c92 | 19 | |
mbed_official | 103:9b881da47c92 | 20 | void pin_function(PinName pin, int function) { |
mbed_official | 103:9b881da47c92 | 21 | } |
mbed_official | 103:9b881da47c92 | 22 | |
mbed_official | 103:9b881da47c92 | 23 | void pin_mode(PinName pin, PinMode mode) { |
mbed_official | 227:7bd0639b8911 | 24 | MBED_ASSERT(pin != (PinName)NC); |
mbed_official | 103:9b881da47c92 | 25 | |
mbed_official | 103:9b881da47c92 | 26 | if ((pin == P0_22) || (pin == P0_23)) { |
mbed_official | 103:9b881da47c92 | 27 | // The true open-drain pins PIO0_22 and PIO0_23 can be configured for different I2C-bus speeds. |
mbed_official | 103:9b881da47c92 | 28 | return; |
mbed_official | 103:9b881da47c92 | 29 | } |
mbed_official | 103:9b881da47c92 | 30 | |
mbed_official | 103:9b881da47c92 | 31 | __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + (pin * 4)); |
mbed_official | 103:9b881da47c92 | 32 | |
mbed_official | 103:9b881da47c92 | 33 | if (mode == OpenDrain) { |
mbed_official | 103:9b881da47c92 | 34 | *reg |= (1 << 10); |
mbed_official | 103:9b881da47c92 | 35 | } else { |
mbed_official | 103:9b881da47c92 | 36 | uint32_t tmp = *reg; |
mbed_official | 103:9b881da47c92 | 37 | tmp &= ~(0x3 << 3); |
mbed_official | 103:9b881da47c92 | 38 | tmp |= (mode & 0x3) << 3; |
mbed_official | 103:9b881da47c92 | 39 | *reg = tmp; |
mbed_official | 103:9b881da47c92 | 40 | } |
mbed_official | 103:9b881da47c92 | 41 | } |