使用STM32F4在运行的示例代码中添加dji_low_speed_data_channel.h的两个接口，并且已经...

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DJI Developer Support

• May 16, 2022 04:41

使用STM32F4在运行的示例代码中添加dji_low_speed_data_channel.h的两个接口，并且已经#include "dji_low_speed_data_channel.h"，编译时出现.\Objects\psdk_demo.axf: Error: L6218E: Undefined symbol DjiLowSpeedDataChannel_Init (referred from main.o).，这个问题怎么解决呢

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  杨禹

  • May 16, 2022 04:43

  static void DataChannelSend(void const *argument)
  {
      const uint8_t *data = "hello";
      E_DjiChannelAddress channelAddress = DJI_CHANNEL_ADDRESS_MASTER_RC_APP;
      T_DjiReturnCode returnCode;
      returnCode = DjiLowSpeedDataChannel_Init();
      if (returnCode != DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS) 
      {
      return;
      }
      while(1)
      {
          returnCode = DjiLowSpeedDataChannel_SendData(channelAddress, data, sizeof(data));
          if (returnCode != DJI_ERROR_SYSTEM_MODULE_CODE_SUCCESS)
          {
              return;
          }
      }
  }
  
  
  编译错误：.\Objects\psdk_demo.axf: Error: L6218E: Undefined symbol DjiLowSpeedDataChannel_Init (referred from main.o).
  .\Objects\psdk_demo.axf: Error: L6218E: Undefined symbol DjiLowSpeedDataChannel_SendData (referred from main.o).

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