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mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

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_LPC11UXX/pinmap.c@463:5c73c3744533, 2015-02-03 (annotated)

Committer:
mbed_official
Date:
Tue Feb 03 17:00:07 2015 +0000
Revision:
463:5c73c3744533
Parent:
285:31249416b6f9 
Synchronized with git revision 134a67aab259d410373367cb96b73420b390d385



Full URL: https://github.com/mbedmicro/mbed/commit/134a67aab259d410373367cb96b73420b390d385/

Who changed what in which revision?

UserRevisionLine numberNew 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 */
mbed_official 227:7bd0639b8911 16 #include "mbed_assert.h"
emilmont 10:3bc89ef62ce7 17 #include "pinmap.h"
mbed_official 285:31249416b6f9 18 #include "mbed_error.h"
emilmont 10:3bc89ef62ce7 19
emilmont 10:3bc89ef62ce7 20 #define LPC_IOCON0_BASE (LPC_IOCON_BASE)
emilmont 10:3bc89ef62ce7 21 #define LPC_IOCON1_BASE (LPC_IOCON_BASE + 0x60)
emilmont 10:3bc89ef62ce7 22
emilmont 10:3bc89ef62ce7 23 void pin_function(PinName pin, int function) {
mbed_official 227:7bd0639b8911 24 MBED_ASSERT(pin != (PinName)NC);
bogdanm 19:398f4c622e1b 25 if (pin == (PinName)NC) return;
emilmont 10:3bc89ef62ce7 26
emilmont 10:3bc89ef62ce7 27 uint32_t pin_number = (uint32_t)pin;
emilmont 10:3bc89ef62ce7 28
emilmont 10:3bc89ef62ce7 29 __IO uint32_t *reg = (pin_number < 32) ?
mbed_official 227:7bd0639b8911 30 (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) :
mbed_official 227:7bd0639b8911 31 (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32));
emilmont 10:3bc89ef62ce7 32
emilmont 10:3bc89ef62ce7 33 // pin function bits: [2:0] -> 111 = (0x7)
emilmont 10:3bc89ef62ce7 34 *reg = (*reg & ~0x7) | (function & 0x7);
emilmont 10:3bc89ef62ce7 35 }
emilmont 10:3bc89ef62ce7 36
emilmont 10:3bc89ef62ce7 37 void pin_mode(PinName pin, PinMode mode) {
mbed_official 227:7bd0639b8911 38 MBED_ASSERT(pin != (PinName)NC);
emilmont 10:3bc89ef62ce7 39 uint32_t pin_number = (uint32_t)pin;
emilmont 10:3bc89ef62ce7 40 uint32_t drain = ((uint32_t) mode & (uint32_t) OpenDrain) >> 2;
emilmont 10:3bc89ef62ce7 41
emilmont 10:3bc89ef62ce7 42 __IO uint32_t *reg = (pin_number < 32) ?
mbed_official 227:7bd0639b8911 43 (__IO uint32_t*)(LPC_IOCON0_BASE + 4 * pin_number) :
mbed_official 227:7bd0639b8911 44 (__IO uint32_t*)(LPC_IOCON1_BASE + 4 * (pin_number - 32));
emilmont 10:3bc89ef62ce7 45 uint32_t tmp = *reg;
emilmont 10:3bc89ef62ce7 46
emilmont 10:3bc89ef62ce7 47 // pin mode bits: [4:3] -> 11000 = (0x3 << 3)
emilmont 10:3bc89ef62ce7 48 tmp &= ~(0x3 << 3);
emilmont 10:3bc89ef62ce7 49 tmp |= (mode & 0x3) << 3;
emilmont 10:3bc89ef62ce7 50
emilmont 10:3bc89ef62ce7 51 // drain
emilmont 10:3bc89ef62ce7 52 tmp &= ~(0x1 << 10);
emilmont 10:3bc89ef62ce7 53 tmp |= drain << 10;
emilmont 10:3bc89ef62ce7 54
emilmont 10:3bc89ef62ce7 55 *reg = tmp;
emilmont 10:3bc89ef62ce7 56 }