/*
 * Copyright (c) Hisilicon Technologies Co., Ltd.. 2021-2021. All rights reserved.
 * Description:
 */

#include <stdio.h>
#include <stdlib.h>
#include "uapi_gpio.h"
#include "uapi_system.h"

td_s32 main(int argc, char *argv[])
{
    td_s32 ret;
    td_u32 group;
    td_u32 bit;
    td_bool dir;

    if (argc < 4) { /* argc must equal 4 */
        printf("./sample_gpio_write Group | Bit | Dir\n");
        printf("	Dir:0--Output; 1--Input\n");
        return TD_FAILURE;
    }

    if (argv == TD_NULL) {
        printf("para argv is NULL.\n");
        return TD_FAILURE;
    }

    group = (td_u32)strtol(argv[1], NULL, 0); /* index 1 means Group */
    bit = (td_u32)strtol(argv[2], NULL, 0);   /* index 2 means Bit */
    dir = (td_bool)strtol(argv[3], NULL, 0);    /* index 3 means Dir */
    if (bit >= 8) {                /* bit must less than 8 */
        printf("Bit must be 0 - 7!\n");
        return TD_FAILURE;
    }
    if (dir != 0 && dir != 1) {
        printf("Value must be 0 or 1!\n");
        return TD_FAILURE;
    }

    (td_void)uapi_sys_init();

    ret = uapi_gpio_init();
    if (ret != TD_SUCCESS) {
        printf("%s: %d ErrorCode=0x%x\n", __FILE__, __LINE__, ret);
        goto ERR0;
    }

    ret = uapi_gpio_set_direction(group, bit, dir);
    if (ret != TD_SUCCESS) {
        printf("%s: %d ErrorCode=0x%x\n", __FILE__, __LINE__, ret);
        goto ERR1;
    }

ERR1:
    ret = uapi_gpio_deinit();
    if (ret != TD_SUCCESS) {
        printf("%s: %d ErrorCode=0x%x\n", __FILE__, __LINE__, ret);
    }

ERR0:
    (td_void)uapi_sys_deinit();

    return ret;
}