写一段RFID与树莓派之间的程序:建立一个库,以这个库为基础,当识别到RFID标签在这个库中时,确定识别到的RFID标签的具体位置哪一排,哪一列,哪一层,在具体的层数寻找,然后按照具体层数的RFID的顺序来查找
时间: 2023-10-10 15:14:53 浏览: 19
以下是一个简单的RFID与树莓派之间的程序示例:
```python
import RPi.GPIO as GPIO
import MFRC522
import time
# 定义RFID读卡器的相关参数
MIFAREReader = MFRC522.MFRC522()
# 定义库中存储的RFID标签
library = {
"A1": {"row": "1", "column": "1", "level": "1", "order": "1"},
"A2": {"row": "1", "column": "2", "level": "1", "order": "2"},
"A3": {"row": "1", "column": "3", "level": "1", "order": "3"},
"B1": {"row": "1", "column": "1", "level": "2", "order": "4"},
"B2": {"row": "1", "column": "2", "level": "2", "order": "5"},
"B3": {"row": "1", "column": "3", "level": "2", "order": "6"},
"C1": {"row": "1", "column": "1", "level": "3", "order": "7"},
"C2": {"row": "1", "column": "2", "level": "3", "order": "8"},
"C3": {"row": "1", "column": "3", "level": "3", "order": "9"}
}
# 初始化GPIO引脚
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
# 循环读取RFID标签
while True:
# 等待RFID标签靠近读卡器
print("请将RFID标签放在读卡器上...")
(status, TagType) = MIFAREReader.MFRC522_Request(MIFAREReader.PICC_REQIDL)
# 如果成功读取到RFID标签
if status == MIFAREReader.MI_OK:
# 获取RFID标签的UID
(status, uid) = MIFAREReader.MFRC522_Anticoll()
# 如果成功获取到RFID标签的UID
if status == MIFAREReader.MI_OK:
# 将UID转换为字符串
uid_str = ''.join(str(i) for i in uid)
# 如果RFID标签在库中存在
if uid_str in library:
# 获取RFID标签的位置信息
row = library[uid_str]["row"]
column = library[uid_str]["column"]
level = library[uid_str]["level"]
order = library[uid_str]["order"]
# 在具体层数寻找RFID标签
# 这里需要根据实际情况编写寻找RFID标签的代码
# 输出RFID标签的位置信息
print("RFID标签位置:第%s排,第%s列,第%s层,第%s个" % (row, column, level, order))
else:
print("未找到该RFID标签!")
time.sleep(1)
```
这段程序通过定义库中存储的RFID标签,当识别到RFID标签时,在库中查找该标签的位置信息,并在具体层数寻找该标签,最终输出该标签的位置信息。需要根据实际情况编写寻找RFID标签的代码。