modified mbed-src to overclock K64F MCU to run at 128.125MHz, for running the UART at 8Mbps, call SystemCoreClockUpdate() at the beginning of your code to re-calculate the SystemCoreClock
Fork of mbed-src by
targets/hal/TARGET_Freescale/TARGET_KLXX/gpio_api.c
- Committer:
- mbed_official
- Date:
- 2014-01-31
- Revision:
- 82:0b31dbcd4769
- Child:
- 113:65a335a675de
File content as of revision 82:0b31dbcd4769:
/* 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 "gpio_api.h" #include "pinmap.h" uint32_t gpio_set(PinName pin) { pin_function(pin, 1); return 1 << ((pin & 0x7F) >> 2); } void gpio_init(gpio_t *obj, PinName pin, PinDirection direction) { if(pin == (PinName)NC) return; obj->pin = pin; obj->mask = gpio_set(pin); unsigned int port = (unsigned int)pin >> PORT_SHIFT; FGPIO_Type *reg = (FGPIO_Type *)(FPTA_BASE + port * 0x40); obj->reg_set = ®->PSOR; obj->reg_clr = ®->PCOR; obj->reg_in = ®->PDIR; obj->reg_dir = ®->PDDR; gpio_dir(obj, direction); switch (direction) { case PIN_OUTPUT: pin_mode(pin, PullNone); break; case PIN_INPUT : pin_mode(pin, PullUp); break; } } void gpio_mode(gpio_t *obj, PinMode mode) { pin_mode(obj->pin, mode); } void gpio_dir(gpio_t *obj, PinDirection direction) { switch (direction) { case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break; case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break; } }