ON Semiconductor / mbed-os

5.2.1 - Updated I2C files

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

targets/TARGET_NXP/TARGET_LPC82X/pinmap.c@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /* mbed Microcontroller Library
group-onsemi 0:098463de4c5d 2 * Copyright (c) 2006-2013 ARM Limited
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 5 * you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 6 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 7 *
group-onsemi 0:098463de4c5d 8 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 9 *
group-onsemi 0:098463de4c5d 10 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 11 * distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 13 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 14 * limitations under the License.
group-onsemi 0:098463de4c5d 15 */
group-onsemi 0:098463de4c5d 16 #include "mbed_assert.h"
group-onsemi 0:098463de4c5d 17 #include "pinmap.h"
group-onsemi 0:098463de4c5d 18 #include "mbed_error.h"
group-onsemi 0:098463de4c5d 19
group-onsemi 0:098463de4c5d 20
group-onsemi 0:098463de4c5d 21 void pin_function(PinName pin, int function)
group-onsemi 0:098463de4c5d 22 {
group-onsemi 0:098463de4c5d 23 // do nothing
group-onsemi 0:098463de4c5d 24 return;
group-onsemi 0:098463de4c5d 25 }
group-onsemi 0:098463de4c5d 26
group-onsemi 0:098463de4c5d 27 void pin_mode(PinName pin, PinMode mode)
group-onsemi 0:098463de4c5d 28 {
group-onsemi 0:098463de4c5d 29 MBED_ASSERT(pin != (PinName)NC);
group-onsemi 0:098463de4c5d 30
group-onsemi 0:098463de4c5d 31 if ((pin == P0_10) || (pin == P0_11)) {
group-onsemi 0:098463de4c5d 32 // True open-drain pins can be configured for different I2C-bus speeds
group-onsemi 0:098463de4c5d 33 return;
group-onsemi 0:098463de4c5d 34 }
group-onsemi 0:098463de4c5d 35
group-onsemi 0:098463de4c5d 36 __IO uint32_t *reg = (uint32_t *)(LPC_IOCON_BASE + (pin & 0xFF));
group-onsemi 0:098463de4c5d 37
group-onsemi 0:098463de4c5d 38 if (mode == OpenDrain) {
group-onsemi 0:098463de4c5d 39 *reg |= (1 << 10);
group-onsemi 0:098463de4c5d 40 } else {
group-onsemi 0:098463de4c5d 41 uint32_t tmp = *reg;
group-onsemi 0:098463de4c5d 42 tmp &= ~(0x3 << 3);
group-onsemi 0:098463de4c5d 43 tmp |= (mode & 0x3) << 3;
group-onsemi 0:098463de4c5d 44 *reg = tmp;
group-onsemi 0:098463de4c5d 45 }
group-onsemi 0:098463de4c5d 46 }