mbed library sources
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Diff: targets/hal/TARGET_Freescale/TARGET_K20D5M/pinmap.c
- Revision:
- 223:d98d59aec21a
- Parent:
- 222:96162ccfbf43
--- a/targets/hal/TARGET_Freescale/TARGET_K20D5M/pinmap.c Fri Jun 06 11:00:08 2014 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,40 +0,0 @@ -/* 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 == (PinName)NC) - return; - - uint32_t port_n = (uint32_t)pin >> PORT_SHIFT; - uint32_t pin_n = (uint32_t)(pin & 0x7C) >> 2; - - SIM->SCGC5 |= 1 << (SIM_SCGC5_PORTA_SHIFT + port_n); - __IO uint32_t* pin_pcr = &(((PORT_Type *)(PORTA_BASE + 0x1000 * port_n)))->PCR[pin_n]; - - // pin mux bits: [10:8] -> 11100000000 = (0x700) - *pin_pcr = (*pin_pcr & ~0x700) | (function << 8); -} - -void pin_mode(PinName pin, PinMode mode) { - if (pin == (PinName)NC) { return; } - - __IO uint32_t* pin_pcr = (__IO uint32_t*)(PORTA_BASE + pin); - - // pin pullup bits: [1:0] -> 11 = (0x3) - *pin_pcr = (*pin_pcr & ~0x3) | mode; -}