mbed.h library with any bug fixes AV finds.
Dependents: micromouse4_encoder_testing PID_Test Lab1_Test WorkingPID ... more
targets/hal/TARGET_NXP/TARGET_LPC82X/pinmap.c@1:ebce2ad32f95, 2015-11-02 (annotated)
- Committer:
- aravindsv
- Date:
- Mon Nov 02 03:07:12 2015 +0000
- Revision:
- 1:ebce2ad32f95
- Parent:
- 0:ba7650f404af
Changed the RCC timeout value to 500 ms, so total code startup time before program starts running is ~1s. Hopefully no side-effects from lower startup timeouts
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
aravindsv | 0:ba7650f404af | 1 | /* mbed Microcontroller Library |
aravindsv | 0:ba7650f404af | 2 | * Copyright (c) 2006-2013 ARM Limited |
aravindsv | 0:ba7650f404af | 3 | * |
aravindsv | 0:ba7650f404af | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
aravindsv | 0:ba7650f404af | 5 | * you may not use this file except in compliance with the License. |
aravindsv | 0:ba7650f404af | 6 | * You may obtain a copy of the License at |
aravindsv | 0:ba7650f404af | 7 | * |
aravindsv | 0:ba7650f404af | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
aravindsv | 0:ba7650f404af | 9 | * |
aravindsv | 0:ba7650f404af | 10 | * Unless required by applicable law or agreed to in writing, software |
aravindsv | 0:ba7650f404af | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
aravindsv | 0:ba7650f404af | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
aravindsv | 0:ba7650f404af | 13 | * See the License for the specific language governing permissions and |
aravindsv | 0:ba7650f404af | 14 | * limitations under the License. |
aravindsv | 0:ba7650f404af | 15 | */ |
aravindsv | 0:ba7650f404af | 16 | #include "mbed_assert.h" |
aravindsv | 0:ba7650f404af | 17 | #include "pinmap.h" |
aravindsv | 0:ba7650f404af | 18 | #include "mbed_error.h" |
aravindsv | 0:ba7650f404af | 19 | |
aravindsv | 0:ba7650f404af | 20 | |
aravindsv | 0:ba7650f404af | 21 | void pin_function(PinName pin, int function) |
aravindsv | 0:ba7650f404af | 22 | { |
aravindsv | 0:ba7650f404af | 23 | // do nothing |
aravindsv | 0:ba7650f404af | 24 | return; |
aravindsv | 0:ba7650f404af | 25 | } |
aravindsv | 0:ba7650f404af | 26 | |
aravindsv | 0:ba7650f404af | 27 | void pin_mode(PinName pin, PinMode mode) |
aravindsv | 0:ba7650f404af | 28 | { |
aravindsv | 0:ba7650f404af | 29 | MBED_ASSERT(pin != (PinName)NC); |
aravindsv | 0:ba7650f404af | 30 | |
aravindsv | 0:ba7650f404af | 31 | if ((pin == P0_10) || (pin == P0_11)) { |
aravindsv | 0:ba7650f404af | 32 | // True open-drain pins can be configured for different I2C-bus speeds |
aravindsv | 0:ba7650f404af | 33 | return; |
aravindsv | 0:ba7650f404af | 34 | } |
aravindsv | 0:ba7650f404af | 35 | |
aravindsv | 0:ba7650f404af | 36 | __IO uint32_t *reg = (uint32_t *)(LPC_IOCON_BASE + (pin & 0xFF)); |
aravindsv | 0:ba7650f404af | 37 | |
aravindsv | 0:ba7650f404af | 38 | if (mode == OpenDrain) { |
aravindsv | 0:ba7650f404af | 39 | *reg |= (1 << 10); |
aravindsv | 0:ba7650f404af | 40 | } else { |
aravindsv | 0:ba7650f404af | 41 | uint32_t tmp = *reg; |
aravindsv | 0:ba7650f404af | 42 | tmp &= ~(0x3 << 3); |
aravindsv | 0:ba7650f404af | 43 | tmp |= (mode & 0x3) << 3; |
aravindsv | 0:ba7650f404af | 44 | *reg = tmp; |
aravindsv | 0:ba7650f404af | 45 | } |
aravindsv | 0:ba7650f404af | 46 | } |