mbed library sources, include can_api for nucleo-f091rc
Dependents: CanNucleoF0_example
Fork of mbed-src by
Diff: vendor/NXP/LPC1768/hal/gpio_api.c
- Revision:
- 13:0645d8841f51
- Parent:
- 12:5fa2273de5db
- Child:
- 14:096882eb0961
--- a/vendor/NXP/LPC1768/hal/gpio_api.c Wed Jul 24 11:11:21 2013 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,52 +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 "gpio_api.h" -#include "pinmap.h" - -uint32_t gpio_set(PinName pin) { - pin_function(pin, 0); - return (1 << ((int)pin & 0x1F)); -} - -void gpio_init(gpio_t *obj, PinName pin, PinDirection direction) { - if(pin == NC) return; - - obj->pin = pin; - obj->mask = gpio_set(pin); - - LPC_GPIO_TypeDef *port_reg = (LPC_GPIO_TypeDef *) ((int)pin & ~0x1F); - obj->reg_set = &port_reg->FIOSET; - obj->reg_clr = &port_reg->FIOCLR; - obj->reg_in = &port_reg->FIOPIN; - obj->reg_dir = &port_reg->FIODIR; - - gpio_dir(obj, direction); - switch (direction) { - case PIN_OUTPUT: pin_mode(pin, PullNone); break; - case PIN_INPUT : pin_mode(pin, PullDown); 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; - } -}