I'm QSFP_OP_E100_DVT. CPP in the function of
I2C_DRegAdr_ReadArray (uint8_t devAdr, uint8_t regAdr, uint16_t length, uint16_t * buff);
Now want to CDialog1. CPP is used in the
The head. I've included QSFP_OP_E100_DVT h
Why back to me, an undefined identifiers "I2C_DRegAdr_ReadArray"

CodePudding user response:

1. The first thing you need to confirm whether the function in QSFP_OP_E100_DVT. H declared in the
2. If you're just QSFP_OP_E100_DVT. CPP in the statement, you can be in CDialog1. CPP in extern I2C_DRegAdr_ReadArray (uint8_t devAdr, uint8_t regAdr, uint16_t length, uint16_t * buff);

CodePudding user response:

You. H header file that the I2C_DRegAdr_ReadArray this function?

CodePudding user response:

Lack of I2C. H?