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_Freescale/TARGET_KL46Z/pinmap.c@31:42176bc3c368, 2013-09-25 (annotated)

Committer:
mbed_official
Date:
Wed Sep 25 11:30:05 2013 +0100
Revision:
31:42176bc3c368
Synchronized with git revision f580c008b139a952d38ac5c7c53bbae375739c67

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 31:42176bc3c368 1 /* mbed Microcontroller Library
mbed_official 31:42176bc3c368 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 31:42176bc3c368 3 *
mbed_official 31:42176bc3c368 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 31:42176bc3c368 5 * you may not use this file except in compliance with the License.
mbed_official 31:42176bc3c368 6 * You may obtain a copy of the License at
mbed_official 31:42176bc3c368 7 *
mbed_official 31:42176bc3c368 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 31:42176bc3c368 9 *
mbed_official 31:42176bc3c368 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 31:42176bc3c368 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 31:42176bc3c368 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 31:42176bc3c368 13 * See the License for the specific language governing permissions and
mbed_official 31:42176bc3c368 14 * limitations under the License.
mbed_official 31:42176bc3c368 15 */
mbed_official 31:42176bc3c368 16 #include "pinmap.h"
mbed_official 31:42176bc3c368 17 #include "error.h"
mbed_official 31:42176bc3c368 18
mbed_official 31:42176bc3c368 19 void pin_function(PinName pin, int function) {
mbed_official 31:42176bc3c368 20 if (pin == (PinName)NC) return;
mbed_official 31:42176bc3c368 21
mbed_official 31:42176bc3c368 22 uint32_t port_n = (uint32_t)pin >> PORT_SHIFT;
mbed_official 31:42176bc3c368 23 uint32_t pin_n = (uint32_t)(pin & 0x7C) >> 2;
mbed_official 31:42176bc3c368 24
mbed_official 31:42176bc3c368 25 SIM->SCGC5 |= 1 << (SIM_SCGC5_PORTA_SHIFT + port_n);
mbed_official 31:42176bc3c368 26 __IO uint32_t* pin_pcr = &(((PORT_Type *)(PORTA_BASE + 0x1000 * port_n)))->PCR[pin_n];
mbed_official 31:42176bc3c368 27
mbed_official 31:42176bc3c368 28 // pin mux bits: [10:8] -> 11100000000 = (0x700)
mbed_official 31:42176bc3c368 29 *pin_pcr = (*pin_pcr & ~0x700) | (function << 8);
mbed_official 31:42176bc3c368 30 }
mbed_official 31:42176bc3c368 31
mbed_official 31:42176bc3c368 32 void pin_mode(PinName pin, PinMode mode) {
mbed_official 31:42176bc3c368 33 if (pin == (PinName)NC) { return; }
mbed_official 31:42176bc3c368 34
mbed_official 31:42176bc3c368 35 __IO uint32_t* pin_pcr = (__IO uint32_t*)(PORTA_BASE + pin);
mbed_official 31:42176bc3c368 36
mbed_official 31:42176bc3c368 37 // pin pullup bits: [1:0] -> 11 = (0x3)
mbed_official 31:42176bc3c368 38 *pin_pcr = (*pin_pcr & ~0x3) | mode;
mbed_official 31:42176bc3c368 39 }