/*
 * 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 value;

    if (argc < 3) { /* argc must equal 3 */
        printf("./sample_gpio_read Group | Bit \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 */
    if (bit >= 8) {  /* bit must less than 8 */
        printf("Bit must be 0 - 7!\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_read(group, bit, &value);
    if (ret != TD_SUCCESS) {
        printf("%s: %d ErrorCode=0x%x\n", __FILE__, __LINE__, ret);
        goto ERR1;
    } else {
        printf("gpio value =0x%x\n", value);
    }

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;
}