rt-thread/bsp/asm9260t/platform/gpio.c

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2015-04-14     ArdaFu      first version
 */

#include "asm9260t.h"
#include "rtthread.h"

void HW_SetPinMux(rt_uint8_t port, rt_uint8_t pin, rt_uint8_t mux_type)
{
    rt_uint32_t addr = HW_IOCON(port, pin);
    rt_uint32_t val = inl(addr);   // read origin value

    val &= ~7UL;     // clear MUX field
    val |= mux_type; // set MUX field with new value

    outl(val ,addr);   // Set new value
}

void HW_GpioSetDir(rt_uint8_t port, rt_uint8_t pin, rt_uint8_t isOut)
{
    rt_uint32_t addr = HW_GPIO_DATA_BASE | ((port>>2)<<16) | 0x8000;
    rt_uint32_t val;
    addr = isOut? REG_SET(addr) : REG_CLR(addr);
    val = (1 << ((port%4)*8+pin));
    outl(val, addr);
}

void HW_GpioSetVal(rt_uint8_t port, rt_uint8_t pin)
{
    rt_uint32_t addr, val;
    addr = REG_SET(HW_GPIO_DATA_BASE | ((port>>2)<<16));
    val  = (1 << ((port%4)*8+pin));
    outl(val, addr);
}

void HW_GpioClrVal(rt_uint8_t port, rt_uint8_t pin)
{
    rt_uint32_t addr, val;
    addr = REG_CLR(HW_GPIO_DATA_BASE | ((port>>2)<<16));
    val  = (1 << ((port%4)*8+pin));
    outl(val, addr);
}