SDK Development / mbed-src

mbed SDK library sources

Fork of mbed-src by mbed official

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_NXP/TARGET_LPC43XX/pinmap.c@89:9655231f5786, 2014-02-11 (annotated)

Committer:
mbed_official
Date:
Tue Feb 11 15:00:06 2014 +0000
Revision:
89:9655231f5786
Parent:
20:4263a77256ae 
Synchronized with git revision 17499c34d273f02497e0706d3abc516b12f3fc62



Full URL: https://github.com/mbedmicro/mbed/commit/17499c34d273f02497e0706d3abc516b12f3fc62/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 20:4263a77256ae 1 /* mbed Microcontroller Library
bogdanm 20:4263a77256ae 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 20:4263a77256ae 3 *
bogdanm 20:4263a77256ae 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 20:4263a77256ae 5 * you may not use this file except in compliance with the License.
bogdanm 20:4263a77256ae 6 * You may obtain a copy of the License at
bogdanm 20:4263a77256ae 7 *
bogdanm 20:4263a77256ae 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 20:4263a77256ae 9 *
bogdanm 20:4263a77256ae 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 20:4263a77256ae 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 20:4263a77256ae 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 20:4263a77256ae 13 * See the License for the specific language governing permissions and
bogdanm 20:4263a77256ae 14 * limitations under the License.
bogdanm 20:4263a77256ae 15 *
bogdanm 20:4263a77256ae 16 * Ported to NXP LPC43XX by Micromint USA <support@micromint.com>
bogdanm 20:4263a77256ae 17 */
bogdanm 20:4263a77256ae 18 #include "pinmap.h"
bogdanm 20:4263a77256ae 19 #include "error.h"
bogdanm 20:4263a77256ae 20
bogdanm 20:4263a77256ae 21 void pin_function(PinName pin, int function) {
bogdanm 20:4263a77256ae 22 if (pin == (uint32_t)NC) return;
bogdanm 20:4263a77256ae 23
bogdanm 20:4263a77256ae 24 __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin);
bogdanm 20:4263a77256ae 25
bogdanm 20:4263a77256ae 26 // Set pin function
bogdanm 20:4263a77256ae 27 *reg = function;
bogdanm 20:4263a77256ae 28 }
bogdanm 20:4263a77256ae 29
bogdanm 20:4263a77256ae 30 void pin_mode(PinName pin, PinMode mode) {
bogdanm 20:4263a77256ae 31 if (pin == (uint32_t)NC) { return; }
bogdanm 20:4263a77256ae 32
bogdanm 20:4263a77256ae 33 if (mode == OpenDrain) error("OpenDrain not supported on LPC43XX");
bogdanm 20:4263a77256ae 34
bogdanm 20:4263a77256ae 35 __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin);
bogdanm 20:4263a77256ae 36 uint32_t tmp = *reg;
bogdanm 20:4263a77256ae 37
bogdanm 20:4263a77256ae 38 // pin mode bits: [4:3] -> 11000 = (0x3 << 3)
bogdanm 20:4263a77256ae 39 tmp &= ~(0x3 << 3);
bogdanm 20:4263a77256ae 40 tmp |= (mode & 0x3) << 3;
bogdanm 20:4263a77256ae 41
bogdanm 20:4263a77256ae 42 *reg = tmp;
bogdanm 20:4263a77256ae 43 }