+++ /dev/null
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "mbed_assert.h"
-#include "pinmap.h"
-#include "mbed_error.h"
-
-void pin_function(PinName pin, int function) {
- MBED_ASSERT(pin != (PinName)NC);
- __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + (pin & 0x1FF));
-
- // pin function bits: [2:0] -> 111 = (0x7)
- *reg = (*reg & ~0x7) | (function & 0x7);
-}
-
-void pin_mode(PinName pin, PinMode mode) {
- MBED_ASSERT(pin != (PinName)NC);
- if ((pin == P0_4) || (pin == P0_5)) {
- // The true open-drain pins PIO0_4 and PIO0_5 can be configured for different I2C-bus speeds.
- return;
- }
-
- __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + (pin & 0x1FF));
-
- if (mode == OpenDrain) {
- *reg |= (1 << 10);
- } else {
- uint32_t tmp = *reg;
- tmp &= ~(0x3 << 3);
- tmp |= (mode & 0x3) << 3;
- *reg = tmp;
- }
-}