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/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Ported to NXP LPC43XX by Micromint USA <support@micromint.com>
*/
#include "mbed_assert.h"
#include "pinmap.h"
#include "mbed_error.h"
void pin_function(PinName pin, int function) {
MBED_ASSERT(pin != (PinName)NC);
__IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin);
// Set pin function
*reg = function;
}
void pin_mode(PinName pin, PinMode mode) {
MBED_ASSERT(pin != (PinName)NC); // && (mode != OpenDrain));
__IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin);
uint32_t tmp = *reg;
// pin mode bits: [4:3] -> 11000 = (0x3 << 3)
tmp &= ~(0x3 << 3);
tmp |= (mode & 0x3) << 3;
*reg = tmp;
}
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