Daniel Sygut / Application

lol

Dependencies:   MMA8451Q

Fork of Application by Mateusz Kowalik

mbed-dev/targets/TARGET_Freescale/TARGET_KLXX/pinmap.c@12:3a30cdffa27c, 2018-01-21 (annotated)

Committer:
danix
Date:
Sun Jan 21 22:28:30 2018 +0000
Revision:
12:3a30cdffa27c
Parent:
10:41552d038a69 
Working acelerometer and mouse

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Zaitsev 10:41552d038a69 1 /* mbed Microcontroller Library
Zaitsev 10:41552d038a69 2 * Copyright (c) 2006-2013 ARM Limited
Zaitsev 10:41552d038a69 3 *
Zaitsev 10:41552d038a69 4 * Licensed under the Apache License, Version 2.0 (the "License");
Zaitsev 10:41552d038a69 5 * you may not use this file except in compliance with the License.
Zaitsev 10:41552d038a69 6 * You may obtain a copy of the License at
Zaitsev 10:41552d038a69 7 *
Zaitsev 10:41552d038a69 8 * http://www.apache.org/licenses/LICENSE-2.0
Zaitsev 10:41552d038a69 9 *
Zaitsev 10:41552d038a69 10 * Unless required by applicable law or agreed to in writing, software
Zaitsev 10:41552d038a69 11 * distributed under the License is distributed on an "AS IS" BASIS,
Zaitsev 10:41552d038a69 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Zaitsev 10:41552d038a69 13 * See the License for the specific language governing permissions and
Zaitsev 10:41552d038a69 14 * limitations under the License.
Zaitsev 10:41552d038a69 15 */
Zaitsev 10:41552d038a69 16 #include "mbed_assert.h"
Zaitsev 10:41552d038a69 17 #include "pinmap.h"
Zaitsev 10:41552d038a69 18
Zaitsev 10:41552d038a69 19 void pin_function(PinName pin, int function) {
Zaitsev 10:41552d038a69 20 MBED_ASSERT(pin != (PinName)NC);
Zaitsev 10:41552d038a69 21
Zaitsev 10:41552d038a69 22 uint32_t port_n = (uint32_t)pin >> PORT_SHIFT;
Zaitsev 10:41552d038a69 23 uint32_t pin_n = (uint32_t)(pin & 0x7C) >> 2;
Zaitsev 10:41552d038a69 24
Zaitsev 10:41552d038a69 25 SIM->SCGC5 |= 1 << (SIM_SCGC5_PORTA_SHIFT + port_n);
Zaitsev 10:41552d038a69 26 __IO uint32_t* pin_pcr = &(((PORT_Type *)(PORTA_BASE + 0x1000 * port_n)))->PCR[pin_n];
Zaitsev 10:41552d038a69 27
Zaitsev 10:41552d038a69 28 // pin mux bits: [10:8] -> 11100000000 = (0x700)
Zaitsev 10:41552d038a69 29 *pin_pcr = (*pin_pcr & ~0x700) | (function << 8);
Zaitsev 10:41552d038a69 30 }
Zaitsev 10:41552d038a69 31
Zaitsev 10:41552d038a69 32 void pin_mode(PinName pin, PinMode mode) {
Zaitsev 10:41552d038a69 33 MBED_ASSERT(pin != (PinName)NC);
Zaitsev 10:41552d038a69 34
Zaitsev 10:41552d038a69 35 __IO uint32_t* pin_pcr = (__IO uint32_t*)(PORTA_BASE + pin);
Zaitsev 10:41552d038a69 36
Zaitsev 10:41552d038a69 37 // pin pullup bits: [1:0] -> 11 = (0x3)
Zaitsev 10:41552d038a69 38 *pin_pcr = (*pin_pcr & ~0x3) | mode;
Zaitsev 10:41552d038a69 39 }