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targets/TARGET_RENESAS/TARGET_VK_RZ_A1H/gpio_api.c
- Committer:
- <>
- Date:
- 2016-10-28
- Revision:
- 149:156823d33999
- Parent:
- targets/hal/TARGET_RENESAS/TARGET_VK_RZ_A1H/gpio_api.c@ 119:3921aeca8633
File content as of revision 149:156823d33999:
/* 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 ; obj->pin = pin; if(pin == NC) return; obj->mask = gpio_set(pin); group = PINGROUP(pin); if (group > 9) return; obj->reg_set = (volatile uint32_t *) PSR(group); obj->reg_in = (volatile uint32_t *) PPR(group); obj->reg_dir = (volatile uint32_t *)PMSR(group); obj->reg_buf = (volatile uint32_t *)PIBC(group); } void gpio_mode(gpio_t *obj, PinMode mode) { /* Pull up and Pull down settings aren't supported because RZ/A1H doesn't have pull up/down for pins(signals). */ } void gpio_dir(gpio_t *obj, PinDirection direction) { switch (direction) { case PIN_INPUT : *obj->reg_dir = (obj->mask << 16) | obj->mask; *obj->reg_buf |= obj->mask; break; case PIN_OUTPUT: *obj->reg_dir = (obj->mask << 16) | 0; *obj->reg_buf &= ~obj->mask; break; } }