BA / Mbed OS BaBoRo_test2

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mbed-os/targets/TARGET_NXP/TARGET_LPC15XX/pinmap.c@0:02dd72d1d465, 2018-04-24 (annotated)

Committer:
borlanic
Date:
Tue Apr 24 11:45:18 2018 +0000
Revision:
0:02dd72d1d465
BaBoRo_test2 - backup 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
borlanic 0:02dd72d1d465 1 /* mbed Microcontroller Library
borlanic 0:02dd72d1d465 2 * Copyright (c) 2006-2013 ARM Limited
borlanic 0:02dd72d1d465 3 *
borlanic 0:02dd72d1d465 4 * Licensed under the Apache License, Version 2.0 (the "License");
borlanic 0:02dd72d1d465 5 * you may not use this file except in compliance with the License.
borlanic 0:02dd72d1d465 6 * You may obtain a copy of the License at
borlanic 0:02dd72d1d465 7 *
borlanic 0:02dd72d1d465 8 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:02dd72d1d465 9 *
borlanic 0:02dd72d1d465 10 * Unless required by applicable law or agreed to in writing, software
borlanic 0:02dd72d1d465 11 * distributed under the License is distributed on an "AS IS" BASIS,
borlanic 0:02dd72d1d465 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:02dd72d1d465 13 * See the License for the specific language governing permissions and
borlanic 0:02dd72d1d465 14 * limitations under the License.
borlanic 0:02dd72d1d465 15 */
borlanic 0:02dd72d1d465 16 #include "mbed_assert.h"
borlanic 0:02dd72d1d465 17 #include "pinmap.h"
borlanic 0:02dd72d1d465 18 #include "mbed_error.h"
borlanic 0:02dd72d1d465 19
borlanic 0:02dd72d1d465 20 void pin_function(PinName pin, int function) {
borlanic 0:02dd72d1d465 21 }
borlanic 0:02dd72d1d465 22
borlanic 0:02dd72d1d465 23 void pin_mode(PinName pin, PinMode mode) {
borlanic 0:02dd72d1d465 24 MBED_ASSERT(pin != (PinName)NC);
borlanic 0:02dd72d1d465 25
borlanic 0:02dd72d1d465 26 if ((pin == P0_22) || (pin == P0_23)) {
borlanic 0:02dd72d1d465 27 // The true open-drain pins PIO0_22 and PIO0_23 can be configured for different I2C-bus speeds.
borlanic 0:02dd72d1d465 28 return;
borlanic 0:02dd72d1d465 29 }
borlanic 0:02dd72d1d465 30
borlanic 0:02dd72d1d465 31 __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + (pin * 4));
borlanic 0:02dd72d1d465 32
borlanic 0:02dd72d1d465 33 if (mode == OpenDrain) {
borlanic 0:02dd72d1d465 34 *reg |= (1 << 10);
borlanic 0:02dd72d1d465 35 } else {
borlanic 0:02dd72d1d465 36 uint32_t tmp = *reg;
borlanic 0:02dd72d1d465 37 tmp &= ~(0x3 << 3);
borlanic 0:02dd72d1d465 38 tmp |= (mode & 0x3) << 3;
borlanic 0:02dd72d1d465 39 *reg = tmp;
borlanic 0:02dd72d1d465 40 }
borlanic 0:02dd72d1d465 41 }