Modified for BG96
Fork of mbed-dev by
targets/TARGET_NXP/TARGET_LPC15XX/pinmap.c@188:60408c49b6d4, 2018-09-20 (annotated)
- Committer:
- WaleedElmughrabi
- Date:
- Thu Sep 20 16:11:23 2018 +0000
- Revision:
- 188:60408c49b6d4
- Parent:
- 149:156823d33999
Fork modified for BG96 error
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 | #include "mbed_assert.h" |
<> | 144:ef7eb2e8f9f7 | 17 | #include "pinmap.h" |
<> | 144:ef7eb2e8f9f7 | 18 | #include "mbed_error.h" |
<> | 144:ef7eb2e8f9f7 | 19 | |
<> | 144:ef7eb2e8f9f7 | 20 | void pin_function(PinName pin, int function) { |
<> | 144:ef7eb2e8f9f7 | 21 | } |
<> | 144:ef7eb2e8f9f7 | 22 | |
<> | 144:ef7eb2e8f9f7 | 23 | void pin_mode(PinName pin, PinMode mode) { |
<> | 144:ef7eb2e8f9f7 | 24 | MBED_ASSERT(pin != (PinName)NC); |
<> | 144:ef7eb2e8f9f7 | 25 | |
<> | 144:ef7eb2e8f9f7 | 26 | if ((pin == P0_22) || (pin == P0_23)) { |
<> | 144:ef7eb2e8f9f7 | 27 | // The true open-drain pins PIO0_22 and PIO0_23 can be configured for different I2C-bus speeds. |
<> | 144:ef7eb2e8f9f7 | 28 | return; |
<> | 144:ef7eb2e8f9f7 | 29 | } |
<> | 144:ef7eb2e8f9f7 | 30 | |
<> | 144:ef7eb2e8f9f7 | 31 | __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + (pin * 4)); |
<> | 144:ef7eb2e8f9f7 | 32 | |
<> | 144:ef7eb2e8f9f7 | 33 | if (mode == OpenDrain) { |
<> | 144:ef7eb2e8f9f7 | 34 | *reg |= (1 << 10); |
<> | 144:ef7eb2e8f9f7 | 35 | } else { |
<> | 144:ef7eb2e8f9f7 | 36 | uint32_t tmp = *reg; |
<> | 144:ef7eb2e8f9f7 | 37 | tmp &= ~(0x3 << 3); |
<> | 144:ef7eb2e8f9f7 | 38 | tmp |= (mode & 0x3) << 3; |
<> | 144:ef7eb2e8f9f7 | 39 | *reg = tmp; |
<> | 144:ef7eb2e8f9f7 | 40 | } |
<> | 144:ef7eb2e8f9f7 | 41 | } |