mbed library sources modified for open wear
Dependents: openwear-lifelogger-example
Fork of mbed-src by
targets/hal/TARGET_NXP/TARGET_LPC81X/pinmap.c@13:0645d8841f51, 2013-08-05 (annotated)
- Committer:
- bogdanm
- Date:
- Mon Aug 05 14:12:34 2013 +0300
- Revision:
- 13:0645d8841f51
- Parent:
- vendor/NXP/LPC812/hal/pinmap.c@10:3bc89ef62ce7
Update mbed sources to revision 64
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
emilmont | 10:3bc89ef62ce7 | 1 | /* mbed Microcontroller Library |
emilmont | 10:3bc89ef62ce7 | 2 | * Copyright (c) 2006-2013 ARM Limited |
emilmont | 10:3bc89ef62ce7 | 3 | * |
emilmont | 10:3bc89ef62ce7 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
emilmont | 10:3bc89ef62ce7 | 5 | * you may not use this file except in compliance with the License. |
emilmont | 10:3bc89ef62ce7 | 6 | * You may obtain a copy of the License at |
emilmont | 10:3bc89ef62ce7 | 7 | * |
emilmont | 10:3bc89ef62ce7 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
emilmont | 10:3bc89ef62ce7 | 9 | * |
emilmont | 10:3bc89ef62ce7 | 10 | * Unless required by applicable law or agreed to in writing, software |
emilmont | 10:3bc89ef62ce7 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
emilmont | 10:3bc89ef62ce7 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
emilmont | 10:3bc89ef62ce7 | 13 | * See the License for the specific language governing permissions and |
emilmont | 10:3bc89ef62ce7 | 14 | * limitations under the License. |
emilmont | 10:3bc89ef62ce7 | 15 | */ |
emilmont | 10:3bc89ef62ce7 | 16 | #include "pinmap.h" |
emilmont | 10:3bc89ef62ce7 | 17 | #include "error.h" |
emilmont | 10:3bc89ef62ce7 | 18 | |
emilmont | 10:3bc89ef62ce7 | 19 | __IO uint32_t* IOCON_REGISTERS[18] = { |
emilmont | 10:3bc89ef62ce7 | 20 | &LPC_IOCON->PIO0_0 , &LPC_IOCON->PIO0_1 , &LPC_IOCON->PIO0_2 , |
emilmont | 10:3bc89ef62ce7 | 21 | &LPC_IOCON->PIO0_3 , &LPC_IOCON->PIO0_4 , &LPC_IOCON->PIO0_5 , |
emilmont | 10:3bc89ef62ce7 | 22 | &LPC_IOCON->PIO0_6 , &LPC_IOCON->PIO0_7 , &LPC_IOCON->PIO0_8 , |
emilmont | 10:3bc89ef62ce7 | 23 | &LPC_IOCON->PIO0_9 , &LPC_IOCON->PIO0_10, &LPC_IOCON->PIO0_11, |
emilmont | 10:3bc89ef62ce7 | 24 | &LPC_IOCON->PIO0_12, &LPC_IOCON->PIO0_13, &LPC_IOCON->PIO0_14, |
emilmont | 10:3bc89ef62ce7 | 25 | &LPC_IOCON->PIO0_15, &LPC_IOCON->PIO0_16, &LPC_IOCON->PIO0_17, |
emilmont | 10:3bc89ef62ce7 | 26 | }; |
emilmont | 10:3bc89ef62ce7 | 27 | |
emilmont | 10:3bc89ef62ce7 | 28 | void pin_function(PinName pin, int function) { |
emilmont | 10:3bc89ef62ce7 | 29 | |
emilmont | 10:3bc89ef62ce7 | 30 | } |
emilmont | 10:3bc89ef62ce7 | 31 | |
emilmont | 10:3bc89ef62ce7 | 32 | void pin_mode(PinName pin, PinMode mode) { |
emilmont | 10:3bc89ef62ce7 | 33 | if (pin == (uint32_t)NC) { return; } |
emilmont | 10:3bc89ef62ce7 | 34 | |
emilmont | 10:3bc89ef62ce7 | 35 | if ((pin == 10) || (pin == 11)) { |
emilmont | 10:3bc89ef62ce7 | 36 | // True open-drain pins can be configured for different I2C-bus speeds |
emilmont | 10:3bc89ef62ce7 | 37 | return; |
emilmont | 10:3bc89ef62ce7 | 38 | } |
emilmont | 10:3bc89ef62ce7 | 39 | |
emilmont | 10:3bc89ef62ce7 | 40 | __IO uint32_t *reg = IOCON_REGISTERS[pin]; |
emilmont | 10:3bc89ef62ce7 | 41 | |
emilmont | 10:3bc89ef62ce7 | 42 | if (mode == OpenDrain) { |
emilmont | 10:3bc89ef62ce7 | 43 | *reg |= (1 << 10); |
emilmont | 10:3bc89ef62ce7 | 44 | } else { |
emilmont | 10:3bc89ef62ce7 | 45 | uint32_t tmp = *reg; |
emilmont | 10:3bc89ef62ce7 | 46 | tmp &= ~(0x3 << 3); |
emilmont | 10:3bc89ef62ce7 | 47 | tmp |= (mode & 0x3) << 3; |
emilmont | 10:3bc89ef62ce7 | 48 | *reg = tmp; |
emilmont | 10:3bc89ef62ce7 | 49 | } |
emilmont | 10:3bc89ef62ce7 | 50 | } |