Skip to content

GitLab

M
mfang2.0
Closed
Opened by 宋永裕@songyongyu💬
Report abuse New issue

python后端：UART先设置为双工再设为仅发送，下载工程时报错

原始代码

            if item["status"] != "DISABLE" and item["pin"]:
                #需要新增GPIO记录
                pinParamDict = PinConfigManager.BuildPin(item)
                PinConfigManager.CreateObject(project_id=project_id, 
                                                pin_number=int(item["pin"]), 
                                                peripheral=item["enablePeripheral"],
                                                config=item["config"],
                                                status=item["status"],
                                                pin_param=pinParamDict)
            elif item["status"] == "DISABLE" and item["pin"]:
                #需要删除GPIO记录
                PinConfigManager.DeletePara(pin_number=int(item["pin"]), 
                                            project_id=project_id)

item参数

{
  "ret": True,
  "pin": 9,
  "status": "PERIPH",
  "config": "LPUART0_TX",
  "peripheral": "GPIOA_3",
  "enablePeripheral": "LPUART0",
  "disablePeripheral": None,
  "beforConfig": "LPUART0_TX",
  "mode": "DIGITAL",
  "remap": True,
  "haspin": True
}

PinConfigManager.BuildPin函数

   @staticmethod
    def  BuildPin(pin,extern_member = None):
        def swap(bool,extern_member):
            if bool:
                return "FL_ENABLE"
            else:
                return "FL_DISABLE"

        if pin["ret"] == True and pin.get("haspin",False) is not True:
            mypin = deepcopy(PIN_TEMP)
            port, pinnum = pin["peripheral"].split("_")
            mypin["GPIO_Type"] = port
            mypin["FL_GPIO_InitTypeDef"]["pin"] = "FL_GPIO_PIN_"+pinnum
            mypin["FL_GPIO_InitTypeDef"]["mode"] = MODE_TEMP[pin["mode"]]
            mypin["FL_GPIO_InitTypeDef"]["remapPin"] = swap(pin["remap"],extern_member)
            mypin["FL_GPIO_InitTypeDef"]["pull"] = swap(False,extern_member)
            ext = EXTERN_GPIO.get(extern_member,False)
            if ext:
                mypin["FL_GPIO_InitTypeDef"][ext["member"]] = ext["defaultval"]
            return mypin
        else:
            return None

问题分析

如果先启用双工，再改为仅发送，则其中一个GPIO是有记录的，此时item中haspin=True,到PinConfigManager.BuildPin中发现haspin为True，返回None，结果把数据库记录中的pin_parm值替换为了None，导致回传GPIO信息和下载工程过程python端报错。

解决方案

增添判断条件来确定是否要新增GPIO记录

if item["status"] != "DISABLE" and item["pin"]:
改为
if item["status"] != "DISABLE" and item["pin"] and item.get("haspin", False) == False:
Edited by 宋永裕