bossay_release_out/app/A08_NFC/A08_NFC_example.c

/*
 * Copyright (c) 2020 Nanjing Xiaoxiongpai Intelligent Technology Co., Ltd.
 * 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 <stdio.h>
#include <string.h>
#include <unistd.h>

#include "pn532_hi3861.h"
#include "cmsis_os2.h"
#include "ohos_init.h"

#define TASK_STACK_SIZE 1024 * 8
#define TASK_PRIO 25

static void ExampleTask(void)
{
    uint8_t buff[255];
    uint8_t uid[MIFARE_UID_MAX_LENGTH];
    int32_t uid_len = 0;
    /* USER CODE BEGIN 2 */
    printf("Hello!\r\n");
    PN532 pn532;
    // PN532_SPI_Init(&pn532);
    PN532_I2C_Init(&pn532);
    PN532_GetFirmwareVersion(&pn532, buff);
    if (PN532_GetFirmwareVersion(&pn532, buff) == PN532_STATUS_OK) {
        printf("Found PN532 with firmware version: %d.%d\r\n", buff[1], buff[2]);
    } else {
        return -1;
    }
    PN532_SamConfiguration(&pn532);
    printf("Waiting for RFID/NFC card...\r\n");
    while (1)
    {
        /* USER CODE END WHILE */

        /* USER CODE BEGIN 3 */
        // Check if a card is available to read
        uid_len = PN532_ReadPassiveTarget(&pn532, uid, PN532_MIFARE_ISO14443A, 1000);
        if (uid_len == PN532_STATUS_ERROR) {
        printf(".");
        } else {
        printf("Found card with UID: ");
        for (uint8_t i = 0; i < uid_len; i++) {
            printf("%02x ", uid[i]);
        }
        printf("\r\n");
        }
    }
}

static void ExampleEntry(void)
{
    osThreadAttr_t attr;

    attr.name = "ExampleTask";
    attr.attr_bits = 0U;
    attr.cb_mem = NULL;
    attr.cb_size = 0U;
    attr.stack_mem = NULL;
    attr.stack_size = TASK_STACK_SIZE;
    attr.priority = TASK_PRIO;

    if (osThreadNew((osThreadFunc_t)ExampleTask, NULL, &attr) == NULL) {
        printf("Failed to create ExampleTask!\n");
    }
}

APP_FEATURE_INIT(ExampleEntry);