EL4121 Embedded System / mbed-os

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Dependents:   cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more

targets/TARGET_NXP/TARGET_LPC43XX/pinmap.c@0:b74591d5ab33, 2017-12-11 (annotated)

Committer:
be_bryan
Date:
Mon Dec 11 17:54:04 2017 +0000
Revision:
0:b74591d5ab33
motor ++

Who changed what in which revision?

UserRevisionLine numberNew contents of line
be_bryan 0:b74591d5ab33 1 /* mbed Microcontroller Library
be_bryan 0:b74591d5ab33 2 * Copyright (c) 2006-2013 ARM Limited
be_bryan 0:b74591d5ab33 3 *
be_bryan 0:b74591d5ab33 4 * Licensed under the Apache License, Version 2.0 (the "License");
be_bryan 0:b74591d5ab33 5 * you may not use this file except in compliance with the License.
be_bryan 0:b74591d5ab33 6 * You may obtain a copy of the License at
be_bryan 0:b74591d5ab33 7 *
be_bryan 0:b74591d5ab33 8 * http://www.apache.org/licenses/LICENSE-2.0
be_bryan 0:b74591d5ab33 9 *
be_bryan 0:b74591d5ab33 10 * Unless required by applicable law or agreed to in writing, software
be_bryan 0:b74591d5ab33 11 * distributed under the License is distributed on an "AS IS" BASIS,
be_bryan 0:b74591d5ab33 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
be_bryan 0:b74591d5ab33 13 * See the License for the specific language governing permissions and
be_bryan 0:b74591d5ab33 14 * limitations under the License.
be_bryan 0:b74591d5ab33 15 *
be_bryan 0:b74591d5ab33 16 * Ported to NXP LPC43XX by Micromint USA <support@micromint.com>
be_bryan 0:b74591d5ab33 17 */
be_bryan 0:b74591d5ab33 18 #include "mbed_assert.h"
be_bryan 0:b74591d5ab33 19 #include "pinmap.h"
be_bryan 0:b74591d5ab33 20 #include "mbed_error.h"
be_bryan 0:b74591d5ab33 21
be_bryan 0:b74591d5ab33 22 void pin_function(PinName pin, int function) {
be_bryan 0:b74591d5ab33 23 MBED_ASSERT(pin != (PinName)NC);
be_bryan 0:b74591d5ab33 24
be_bryan 0:b74591d5ab33 25 __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin);
be_bryan 0:b74591d5ab33 26
be_bryan 0:b74591d5ab33 27 // Set pin function
be_bryan 0:b74591d5ab33 28 *reg = function;
be_bryan 0:b74591d5ab33 29 }
be_bryan 0:b74591d5ab33 30
be_bryan 0:b74591d5ab33 31 void pin_mode(PinName pin, PinMode mode) {
be_bryan 0:b74591d5ab33 32 MBED_ASSERT(pin != (PinName)NC); // && (mode != OpenDrain));
be_bryan 0:b74591d5ab33 33
be_bryan 0:b74591d5ab33 34 __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin);
be_bryan 0:b74591d5ab33 35 uint32_t tmp = *reg;
be_bryan 0:b74591d5ab33 36
be_bryan 0:b74591d5ab33 37 // pin mode bits: [4:3] -> 11000 = (0x3 << 3)
be_bryan 0:b74591d5ab33 38 tmp &= ~(0x3 << 3);
be_bryan 0:b74591d5ab33 39 tmp |= (mode & 0x3) << 3;
be_bryan 0:b74591d5ab33 40
be_bryan 0:b74591d5ab33 41 *reg = tmp;
be_bryan 0:b74591d5ab33 42 }