mbed library sources
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Diff: targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/gpio_api.c
- Revision:
- 390:35c2c1cf29cd
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/gpio_api.c Thu Nov 06 11:00:10 2014 +0000 @@ -0,0 +1,53 @@ +/* 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" +#include "gpio_addrdefine.h" + + +uint32_t gpio_set(PinName pin) { + pin_function(pin, 0); + return (1 << PINNO(pin)); +} + +void gpio_init(gpio_t *obj, PinName pin) { + int group ; + if(pin == NC) return; + + obj->pin = pin; + obj->mask = gpio_set(pin); + + group = PINGROUP(pin); + if (group > 11) return; + + obj->reg_set = (volatile uint32_t *)PORT(group); + obj->reg_in = (volatile uint32_t *) PPR(group); + obj->reg_dir = (volatile uint32_t *) PM(group); + obj->reg_buf = (volatile uint32_t *)PIBC(group); +} + +void gpio_mode(gpio_t *obj, PinMode mode) { +// pullup, pulldown, open...etc +} + +void gpio_dir(gpio_t *obj, PinDirection direction) { + switch (direction) { + case PIN_INPUT : *obj->reg_dir |= obj->mask; + *obj->reg_buf |= obj->mask; break; + case PIN_OUTPUT: *obj->reg_dir &= ~obj->mask; + *obj->reg_buf &= ~obj->mask; break; + } +}