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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_Freescale/TARGET_KLXX/pinmap.c@111:ae4891ca7084, 2014-03-06 (annotated)

Committer:
mbed_official
Date:
Thu Mar 06 10:00:06 2014 +0000
Revision:
111:ae4891ca7084
Parent:
82:0b31dbcd4769
Child:
227:7bd0639b8911
Synchronized with git revision 955bd9a5c9e042f1cf30bbae2a99afaab8eb4cbf



Full URL: https://github.com/mbedmicro/mbed/commit/955bd9a5c9e042f1cf30bbae2a99afaab8eb4cbf/

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 */
emilmont 10:3bc89ef62ce7 16 #include "pinmap.h"
emilmont 10:3bc89ef62ce7 17 #include "error.h"
emilmont 10:3bc89ef62ce7 18
emilmont 10:3bc89ef62ce7 19 void pin_function(PinName pin, int function) {
bogdanm 19:398f4c622e1b 20 if (pin == (PinName)NC) return;
emilmont 10:3bc89ef62ce7 21
emilmont 10:3bc89ef62ce7 22 uint32_t port_n = (uint32_t)pin >> PORT_SHIFT;
emilmont 10:3bc89ef62ce7 23 uint32_t pin_n = (uint32_t)(pin & 0x7C) >> 2;
emilmont 10:3bc89ef62ce7 24
emilmont 10:3bc89ef62ce7 25 SIM->SCGC5 |= 1 << (SIM_SCGC5_PORTA_SHIFT + port_n);
emilmont 10:3bc89ef62ce7 26 __IO uint32_t* pin_pcr = &(((PORT_Type *)(PORTA_BASE + 0x1000 * port_n)))->PCR[pin_n];
emilmont 10:3bc89ef62ce7 27
emilmont 10:3bc89ef62ce7 28 // pin mux bits: [10:8] -> 11100000000 = (0x700)
emilmont 10:3bc89ef62ce7 29 *pin_pcr = (*pin_pcr & ~0x700) | (function << 8);
emilmont 10:3bc89ef62ce7 30 }
emilmont 10:3bc89ef62ce7 31
emilmont 10:3bc89ef62ce7 32 void pin_mode(PinName pin, PinMode mode) {
bogdanm 19:398f4c622e1b 33 if (pin == (PinName)NC) { return; }
emilmont 10:3bc89ef62ce7 34
emilmont 10:3bc89ef62ce7 35 __IO uint32_t* pin_pcr = (__IO uint32_t*)(PORTA_BASE + pin);
emilmont 10:3bc89ef62ce7 36
emilmont 10:3bc89ef62ce7 37 // pin pullup bits: [1:0] -> 11 = (0x3)
emilmont 10:3bc89ef62ce7 38 *pin_pcr = (*pin_pcr & ~0x3) | mode;
emilmont 10:3bc89ef62ce7 39 }