forked
targets/TARGET_NXP/TARGET_LPC43XX/pinmap.c@170:19eb464bc2be, 2017-08-03 (annotated)
- Committer:
- Kojto
- Date:
- Thu Aug 03 13:13:39 2017 +0100
- Revision:
- 170:19eb464bc2be
- Parent:
- 149:156823d33999
This updates the lib to the mbed lib v 148
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 144:ef7eb2e8f9f7 | 1 | /* mbed Microcontroller Library |
<> | 144:ef7eb2e8f9f7 | 2 | * Copyright (c) 2006-2013 ARM Limited |
<> | 144:ef7eb2e8f9f7 | 3 | * |
<> | 144:ef7eb2e8f9f7 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 144:ef7eb2e8f9f7 | 5 | * you may not use this file except in compliance with the License. |
<> | 144:ef7eb2e8f9f7 | 6 | * You may obtain a copy of the License at |
<> | 144:ef7eb2e8f9f7 | 7 | * |
<> | 144:ef7eb2e8f9f7 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 144:ef7eb2e8f9f7 | 9 | * |
<> | 144:ef7eb2e8f9f7 | 10 | * Unless required by applicable law or agreed to in writing, software |
<> | 144:ef7eb2e8f9f7 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 144:ef7eb2e8f9f7 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 144:ef7eb2e8f9f7 | 13 | * See the License for the specific language governing permissions and |
<> | 144:ef7eb2e8f9f7 | 14 | * limitations under the License. |
<> | 144:ef7eb2e8f9f7 | 15 | * |
<> | 144:ef7eb2e8f9f7 | 16 | * Ported to NXP LPC43XX by Micromint USA <support@micromint.com> |
<> | 144:ef7eb2e8f9f7 | 17 | */ |
<> | 144:ef7eb2e8f9f7 | 18 | #include "mbed_assert.h" |
<> | 144:ef7eb2e8f9f7 | 19 | #include "pinmap.h" |
<> | 144:ef7eb2e8f9f7 | 20 | #include "mbed_error.h" |
<> | 144:ef7eb2e8f9f7 | 21 | |
<> | 144:ef7eb2e8f9f7 | 22 | void pin_function(PinName pin, int function) { |
<> | 144:ef7eb2e8f9f7 | 23 | MBED_ASSERT(pin != (PinName)NC); |
<> | 144:ef7eb2e8f9f7 | 24 | |
<> | 144:ef7eb2e8f9f7 | 25 | __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin); |
<> | 144:ef7eb2e8f9f7 | 26 | |
<> | 144:ef7eb2e8f9f7 | 27 | // Set pin function |
<> | 144:ef7eb2e8f9f7 | 28 | *reg = function; |
<> | 144:ef7eb2e8f9f7 | 29 | } |
<> | 144:ef7eb2e8f9f7 | 30 | |
<> | 144:ef7eb2e8f9f7 | 31 | void pin_mode(PinName pin, PinMode mode) { |
<> | 144:ef7eb2e8f9f7 | 32 | MBED_ASSERT(pin != (PinName)NC); // && (mode != OpenDrain)); |
<> | 144:ef7eb2e8f9f7 | 33 | |
<> | 144:ef7eb2e8f9f7 | 34 | __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin); |
<> | 144:ef7eb2e8f9f7 | 35 | uint32_t tmp = *reg; |
<> | 144:ef7eb2e8f9f7 | 36 | |
<> | 144:ef7eb2e8f9f7 | 37 | // pin mode bits: [4:3] -> 11000 = (0x3 << 3) |
<> | 144:ef7eb2e8f9f7 | 38 | tmp &= ~(0x3 << 3); |
<> | 144:ef7eb2e8f9f7 | 39 | tmp |= (mode & 0x3) << 3; |
<> | 144:ef7eb2e8f9f7 | 40 | |
<> | 144:ef7eb2e8f9f7 | 41 | *reg = tmp; |
<> | 144:ef7eb2e8f9f7 | 42 | } |