Mateusz Kowalik / Application

USB Serial application

Fork of USBSerial_HelloWorld by Samuel Mokrani

mbed-dev/targets/TARGET_NXP/TARGET_LPC43XX/pinmap.c@11:b3f2a8bdac4d, 2017-12-16 (annotated)

Committer:
Zaitsev
Date:
Sat Dec 16 10:26:48 2017 +0000
Revision:
11:b3f2a8bdac4d
Parent:
10:41552d038a69 
A copy for D.S;

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 * Ported to NXP LPC43XX by Micromint USA <support@micromint.com>
Zaitsev 10:41552d038a69 17 */
Zaitsev 10:41552d038a69 18 #include "mbed_assert.h"
Zaitsev 10:41552d038a69 19 #include "pinmap.h"
Zaitsev 10:41552d038a69 20 #include "mbed_error.h"
Zaitsev 10:41552d038a69 21
Zaitsev 10:41552d038a69 22 void pin_function(PinName pin, int function) {
Zaitsev 10:41552d038a69 23 MBED_ASSERT(pin != (PinName)NC);
Zaitsev 10:41552d038a69 24
Zaitsev 10:41552d038a69 25 __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin);
Zaitsev 10:41552d038a69 26
Zaitsev 10:41552d038a69 27 // Set pin function
Zaitsev 10:41552d038a69 28 *reg = function;
Zaitsev 10:41552d038a69 29 }
Zaitsev 10:41552d038a69 30
Zaitsev 10:41552d038a69 31 void pin_mode(PinName pin, PinMode mode) {
Zaitsev 10:41552d038a69 32 MBED_ASSERT(pin != (PinName)NC); // && (mode != OpenDrain));
Zaitsev 10:41552d038a69 33
Zaitsev 10:41552d038a69 34 __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin);
Zaitsev 10:41552d038a69 35 uint32_t tmp = *reg;
Zaitsev 10:41552d038a69 36
Zaitsev 10:41552d038a69 37 // pin mode bits: [4:3] -> 11000 = (0x3 << 3)
Zaitsev 10:41552d038a69 38 tmp &= ~(0x3 << 3);
Zaitsev 10:41552d038a69 39 tmp |= (mode & 0x3) << 3;
Zaitsev 10:41552d038a69 40
Zaitsev 10:41552d038a69 41 *reg = tmp;
Zaitsev 10:41552d038a69 42 }