Mbed Library with modified HSE_Startup timeout
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Diff: targets/hal/TARGET_NXP/TARGET_LPC11U6X/pinmap.c
- Revision:
- 174:8bb9f3a33240
- Child:
- 227:7bd0639b8911
diff -r 033f1c328f6e -r 8bb9f3a33240 targets/hal/TARGET_NXP/TARGET_LPC11U6X/pinmap.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_NXP/TARGET_LPC11U6X/pinmap.c Tue Apr 29 11:15:07 2014 +0100 @@ -0,0 +1,52 @@ +/* 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 "pinmap.h" +#include "error.h" + +void pin_function(PinName pin, int function) { + if (pin == (uint32_t)NC) + { + return; + } + + __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) { + if (pin == (uint32_t)NC) + { + return; + } + + 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; + } +}