mbed official / mbed-src

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_LPC11XX_11CXX/pinmap.c@440:8a0b45cd594f, 2014-12-16 (annotated)

Committer:
mbed_official
Date:
Tue Dec 16 08:15:08 2014 +0000
Revision:
440:8a0b45cd594f
Parent:
285:31249416b6f9 
Synchronized with git revision 67fbbf0b635d0c0d93fbe433306c537c2ad206aa



Full URL: https://github.com/mbedmicro/mbed/commit/67fbbf0b635d0c0d93fbe433306c537c2ad206aa/



Targets: nrf51 - updating app_timer.c from Norid'c SDKv7.1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 30:91c1d09ada54 1 /* mbed Microcontroller Library
mbed_official 30:91c1d09ada54 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 30:91c1d09ada54 3 *
mbed_official 30:91c1d09ada54 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 30:91c1d09ada54 5 * you may not use this file except in compliance with the License.
mbed_official 30:91c1d09ada54 6 * You may obtain a copy of the License at
mbed_official 30:91c1d09ada54 7 *
mbed_official 30:91c1d09ada54 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 30:91c1d09ada54 9 *
mbed_official 30:91c1d09ada54 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 30:91c1d09ada54 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 30:91c1d09ada54 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 30:91c1d09ada54 13 * See the License for the specific language governing permissions and
mbed_official 30:91c1d09ada54 14 * limitations under the License.
mbed_official 30:91c1d09ada54 15 */
mbed_official 227:7bd0639b8911 16 #include "mbed_assert.h"
mbed_official 30:91c1d09ada54 17 #include "pinmap.h"
mbed_official 285:31249416b6f9 18 #include "mbed_error.h"
mbed_official 30:91c1d09ada54 19
mbed_official 30:91c1d09ada54 20 void pin_function(PinName pin, int function) {
mbed_official 227:7bd0639b8911 21 MBED_ASSERT(pin != (PinName)NC);
mbed_official 30:91c1d09ada54 22 uint32_t offset = (uint32_t)pin & 0xff;
mbed_official 30:91c1d09ada54 23 __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + offset);
mbed_official 30:91c1d09ada54 24
mbed_official 30:91c1d09ada54 25 // pin function bits: [2:0] -> 111 = (0x7)
mbed_official 30:91c1d09ada54 26 *reg = (*reg & ~0x7) | (function & 0x7);
mbed_official 30:91c1d09ada54 27 }
mbed_official 30:91c1d09ada54 28
mbed_official 30:91c1d09ada54 29 void pin_mode(PinName pin, PinMode mode) {
mbed_official 227:7bd0639b8911 30 MBED_ASSERT(pin != (PinName)NC);
mbed_official 30:91c1d09ada54 31 uint32_t offset = (uint32_t)pin & 0xff;
mbed_official 227:7bd0639b8911 32 uint32_t drain = ((uint32_t)mode & (uint32_t)OpenDrain) >> 2;
mbed_official 30:91c1d09ada54 33
mbed_official 30:91c1d09ada54 34 __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + offset);
mbed_official 30:91c1d09ada54 35 uint32_t tmp = *reg;
mbed_official 30:91c1d09ada54 36
mbed_official 30:91c1d09ada54 37 // pin mode bits: [4:3] -> 11000 = (0x3 << 3)
mbed_official 30:91c1d09ada54 38 tmp &= ~(0x3 << 3);
mbed_official 30:91c1d09ada54 39 tmp |= (mode & 0x3) << 3;
mbed_official 30:91c1d09ada54 40
mbed_official 30:91c1d09ada54 41 // drain
mbed_official 30:91c1d09ada54 42 tmp &= ~(0x1 << 10);
mbed_official 30:91c1d09ada54 43 tmp |= drain << 10;
mbed_official 30:91c1d09ada54 44
mbed_official 30:91c1d09ada54 45 *reg = tmp;
mbed_official 30:91c1d09ada54 46 }