mbed-os/targets/TARGET_Samsung/TARGET_SIDK_S1SBP6A/device/s1sbp6a_gpio.c

83 lines
2.4 KiB
C

/****************************************************************************
*
* Copyright 2020 Samsung Electronics All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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 <stdbool.h>
#include "s1sbp6a.h"
#include "s1sbp6a_type.h"
#include "s1sbp6a_gpio.h"
void bp6a_gpio_set_dir(uint8_t port, uint8_t pin, bool is_input)
{
BP_GPIO_TypeDef *gpio_base = (BP_GPIO_TypeDef *)GPIO_PORT_BASE(port);
uint32_t mask = 1 << pin;
putreg32(&(gpio_base->ALTFUNCCLR), mask);//, mask);
if (is_input) {
putreg32(&(gpio_base->OUTENCLR), mask);//, mask);
} else {
putreg32(&(gpio_base->OUTENSET), mask);//, mask);
}
}
void bp6a_gpio_set_int(uint8_t port, uint8_t pin, bool enable)
{
BP_GPIO_TypeDef *gpio_base = (BP_GPIO_TypeDef *)GPIO_PORT_BASE(port);
if (enable) {
putreg32(&(gpio_base->INTENSET), 0x01 << pin);
} else {
putreg32(&(gpio_base->INTENCLR), 0x01 << pin);
}
}
void bp6a_gpio_clear_pend(uint8_t port, uint8_t pin)
{
BP_GPIO_TypeDef *gpio_base = (BP_GPIO_TypeDef *)GPIO_PORT_BASE(port);
putreg32(&(gpio_base->INTCLR), 0x01 << pin);
}
void bp6a_gpio_set_int_type(uint8_t port, uint8_t pin, bool isHigh, bool isEadge)
{
BP_GPIO_TypeDef *gpio_base = (BP_GPIO_TypeDef *)GPIO_PORT_BASE(port);
if (isHigh) {
putreg32(&(gpio_base->INTPOLSET), 0x01 << pin);
} else {
putreg32(&(gpio_base->INTPOLCLR), 0x01 << pin);
}
if (isEadge) {
putreg32(&(gpio_base->INTTYPESET), 0x01 << pin);
} else {
putreg32(&(gpio_base->INTTYPECLR), 0x01 << pin);
}
}
void bp6a_set_pin_config(uint8_t port, uint8_t pin, uint8_t cfg)
{
uint8_t idx = port * 4 + pin / 4 + 2;
uint8_t bit = (pin << 3) % 32;
modifyreg32(&BP_SYSCON->IOCFG[idx], 0x3 << bit, cfg << bit);
}