mbed library sources
Dependents: frdm_kl05z_gpio_test
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Diff: targets/hal/TARGET_NXP/TARGET_LPC43XX/pinmap.c
- Revision:
- 20:4263a77256ae
- Child:
- 227:7bd0639b8911
diff -r 398f4c622e1b -r 4263a77256ae targets/hal/TARGET_NXP/TARGET_LPC43XX/pinmap.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_NXP/TARGET_LPC43XX/pinmap.c Tue Sep 10 15:14:19 2013 +0300 @@ -0,0 +1,43 @@ +/* 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. + * + * Ported to NXP LPC43XX by Micromint USA <support@micromint.com> + */ +#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*) MBED_SCU_REG(pin); + + // Set pin function + *reg = function; +} + +void pin_mode(PinName pin, PinMode mode) { + if (pin == (uint32_t)NC) { return; } + + if (mode == OpenDrain) error("OpenDrain not supported on LPC43XX"); + + __IO uint32_t *reg = (__IO uint32_t*) MBED_SCU_REG(pin); + uint32_t tmp = *reg; + + // pin mode bits: [4:3] -> 11000 = (0x3 << 3) + tmp &= ~(0x3 << 3); + tmp |= (mode & 0x3) << 3; + + *reg = tmp; +}