+++ /dev/null
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2015 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 "mbed_assert.h"
-#include "gpio_api.h"
-#include "pinmap.h"
-
-uint32_t gpio_set(PinName pin) {
- MBED_ASSERT(pin != (PinName)NC);
- pin_function(pin, 1);
- return 1 << ((pin & 0x7F) >> 2);
-}
-
-void gpio_init(gpio_t *obj, PinName pin) {
- obj->pin = pin;
- if (pin == (PinName)NC)
- return;
-
- obj->mask = gpio_set(pin);
-
- unsigned int port = (unsigned int)pin >> PORT_SHIFT;
-
- GPIO_Type *reg = (GPIO_Type *)(PTA_BASE + port * 0x40);
- obj->reg_set = ®->PSOR;
- obj->reg_clr = ®->PCOR;
- obj->reg_in = ®->PDIR;
- obj->reg_dir = ®->PDDR;
-}
-
-void gpio_mode(gpio_t *obj, PinMode mode) {
- pin_mode(obj->pin, mode);
-}
-
-void gpio_dir(gpio_t *obj, PinDirection direction) {
- MBED_ASSERT(obj->pin != (PinName)NC);
- switch (direction) {
- case PIN_INPUT :
- *obj->reg_dir &= ~obj->mask;
- break;
- case PIN_OUTPUT:
- *obj->reg_dir |= obj->mask;
- break;
- }
-}