BA / SerialCom

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of OmniWheels by Gustav Atmel

mbed-os/targets/TARGET_NXP/TARGET_LPC15XX/pinmap.c@2:798925c9e4a8, 2018-05-01 (annotated)

Committer:
gustavatmel
Date:
Tue May 01 15:55:34 2018 +0000
Revision:
2:798925c9e4a8
Parent:
1:9c5af431a1f1 
bluetooth

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gustavatmel 1:9c5af431a1f1 1 /* mbed Microcontroller Library
gustavatmel 1:9c5af431a1f1 2 * Copyright (c) 2006-2013 ARM Limited
gustavatmel 1:9c5af431a1f1 3 *
gustavatmel 1:9c5af431a1f1 4 * Licensed under the Apache License, Version 2.0 (the "License");
gustavatmel 1:9c5af431a1f1 5 * you may not use this file except in compliance with the License.
gustavatmel 1:9c5af431a1f1 6 * You may obtain a copy of the License at
gustavatmel 1:9c5af431a1f1 7 *
gustavatmel 1:9c5af431a1f1 8 * http://www.apache.org/licenses/LICENSE-2.0
gustavatmel 1:9c5af431a1f1 9 *
gustavatmel 1:9c5af431a1f1 10 * Unless required by applicable law or agreed to in writing, software
gustavatmel 1:9c5af431a1f1 11 * distributed under the License is distributed on an "AS IS" BASIS,
gustavatmel 1:9c5af431a1f1 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gustavatmel 1:9c5af431a1f1 13 * See the License for the specific language governing permissions and
gustavatmel 1:9c5af431a1f1 14 * limitations under the License.
gustavatmel 1:9c5af431a1f1 15 */
gustavatmel 1:9c5af431a1f1 16 #include "mbed_assert.h"
gustavatmel 1:9c5af431a1f1 17 #include "pinmap.h"
gustavatmel 1:9c5af431a1f1 18 #include "mbed_error.h"
gustavatmel 1:9c5af431a1f1 19
gustavatmel 1:9c5af431a1f1 20 void pin_function(PinName pin, int function) {
gustavatmel 1:9c5af431a1f1 21 }
gustavatmel 1:9c5af431a1f1 22
gustavatmel 1:9c5af431a1f1 23 void pin_mode(PinName pin, PinMode mode) {
gustavatmel 1:9c5af431a1f1 24 MBED_ASSERT(pin != (PinName)NC);
gustavatmel 1:9c5af431a1f1 25
gustavatmel 1:9c5af431a1f1 26 if ((pin == P0_22) || (pin == P0_23)) {
gustavatmel 1:9c5af431a1f1 27 // The true open-drain pins PIO0_22 and PIO0_23 can be configured for different I2C-bus speeds.
gustavatmel 1:9c5af431a1f1 28 return;
gustavatmel 1:9c5af431a1f1 29 }
gustavatmel 1:9c5af431a1f1 30
gustavatmel 1:9c5af431a1f1 31 __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + (pin * 4));
gustavatmel 1:9c5af431a1f1 32
gustavatmel 1:9c5af431a1f1 33 if (mode == OpenDrain) {
gustavatmel 1:9c5af431a1f1 34 *reg |= (1 << 10);
gustavatmel 1:9c5af431a1f1 35 } else {
gustavatmel 1:9c5af431a1f1 36 uint32_t tmp = *reg;
gustavatmel 1:9c5af431a1f1 37 tmp &= ~(0x3 << 3);
gustavatmel 1:9c5af431a1f1 38 tmp |= (mode & 0x3) << 3;
gustavatmel 1:9c5af431a1f1 39 *reg = tmp;
gustavatmel 1:9c5af431a1f1 40 }
gustavatmel 1:9c5af431a1f1 41 }