ON Semiconductor / mbed-os

5.2.1 - Updated I2C files

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

targets/TARGET_Freescale/TARGET_KLXX/pinmap.c@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

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group-onsemi 0:098463de4c5d 1 /* mbed Microcontroller Library
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2006-2013 ARM Limited
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 5 * you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 6 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 7 *
group-onsemi 0:098463de4c5d 8 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 9 *
group-onsemi 0:098463de4c5d 10 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 11 * distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 13 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 14 * limitations under the License.
group-onsemi 0:098463de4c5d 15 */
group-onsemi 0:098463de4c5d 16 #include "mbed_assert.h"
group-onsemi 0:098463de4c5d 17 #include "pinmap.h"
group-onsemi 0:098463de4c5d 18
group-onsemi 0:098463de4c5d 19 void pin_function(PinName pin, int function) {
group-onsemi 0:098463de4c5d 20 MBED_ASSERT(pin != (PinName)NC);
group-onsemi 0:098463de4c5d 21
group-onsemi 0:098463de4c5d 22 uint32_t port_n = (uint32_t)pin >> PORT_SHIFT;
group-onsemi 0:098463de4c5d 23 uint32_t pin_n = (uint32_t)(pin & 0x7C) >> 2;
group-onsemi 0:098463de4c5d 24
group-onsemi 0:098463de4c5d 25 SIM->SCGC5 |= 1 << (SIM_SCGC5_PORTA_SHIFT + port_n);
group-onsemi 0:098463de4c5d 26 __IO uint32_t* pin_pcr = &(((PORT_Type *)(PORTA_BASE + 0x1000 * port_n)))->PCR[pin_n];
group-onsemi 0:098463de4c5d 27
group-onsemi 0:098463de4c5d 28 // pin mux bits: [10:8] -> 11100000000 = (0x700)
group-onsemi 0:098463de4c5d 29 *pin_pcr = (*pin_pcr & ~0x700) | (function << 8);
group-onsemi 0:098463de4c5d 30 }
group-onsemi 0:098463de4c5d 31
group-onsemi 0:098463de4c5d 32 void pin_mode(PinName pin, PinMode mode) {
group-onsemi 0:098463de4c5d 33 MBED_ASSERT(pin != (PinName)NC);
group-onsemi 0:098463de4c5d 34
group-onsemi 0:098463de4c5d 35 __IO uint32_t* pin_pcr = (__IO uint32_t*)(PORTA_BASE + pin);
group-onsemi 0:098463de4c5d 36
group-onsemi 0:098463de4c5d 37 // pin pullup bits: [1:0] -> 11 = (0x3)
group-onsemi 0:098463de4c5d 38 *pin_pcr = (*pin_pcr & ~0x3) | mode;
group-onsemi 0:098463de4c5d 39 }