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

targets/TARGET_NXP/TARGET_LPC2460/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?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /* mbed Microcontroller Library
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2006-2015 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 #include "mbed_error.h"
group-onsemi 0:098463de4c5d 19
group-onsemi 0:098463de4c5d 20 void pin_function(PinName pin, int function) {
group-onsemi 0:098463de4c5d 21 MBED_ASSERT(pin != (PinName)NC);
group-onsemi 0:098463de4c5d 22
group-onsemi 0:098463de4c5d 23 uint32_t pin_number = (uint32_t)pin - (uint32_t)P0_0;
group-onsemi 0:098463de4c5d 24 int index = pin_number >> 4;
group-onsemi 0:098463de4c5d 25 int offset = (pin_number & 0xF) << 1;
group-onsemi 0:098463de4c5d 26
group-onsemi 0:098463de4c5d 27 PINCONARRAY->PINSEL[index] &= ~(0x3 << offset);
group-onsemi 0:098463de4c5d 28 PINCONARRAY->PINSEL[index] |= function << offset;
group-onsemi 0:098463de4c5d 29 }
group-onsemi 0:098463de4c5d 30
group-onsemi 0:098463de4c5d 31 void pin_mode(PinName pin, PinMode mode) {
group-onsemi 0:098463de4c5d 32 MBED_ASSERT((pin != (PinName)NC) && (mode != OpenDrain));
group-onsemi 0:098463de4c5d 33
group-onsemi 0:098463de4c5d 34 uint32_t pin_number = (uint32_t)pin - (uint32_t)P0_0;
group-onsemi 0:098463de4c5d 35 int index = pin_number >> 5;
group-onsemi 0:098463de4c5d 36 int offset = pin_number & 0x1F;
group-onsemi 0:098463de4c5d 37 uint32_t drain = ((uint32_t) mode & (uint32_t) OpenDrain) >> 2;
group-onsemi 0:098463de4c5d 38
group-onsemi 0:098463de4c5d 39 if (!drain) {
group-onsemi 0:098463de4c5d 40 index = pin_number >> 4;
group-onsemi 0:098463de4c5d 41 offset = (pin_number & 0xF) << 1;
group-onsemi 0:098463de4c5d 42
group-onsemi 0:098463de4c5d 43 PINCONARRAY->PINMODE[index] &= ~(0x3 << offset);
group-onsemi 0:098463de4c5d 44 PINCONARRAY->PINMODE[index] |= (uint32_t)mode << offset;
group-onsemi 0:098463de4c5d 45 }
group-onsemi 0:098463de4c5d 46 }