TCA6416A驱动程序，实现的函数有： void TCA6416AWriteConfig(TCA6416ARegs * Regs); void TCA6416AWriteOutput(TCA6416ARegs * Regs); void TCA6416AWritePolarity(TCA6416ARegs * Regs); void TCA6416AInitDefault(TCA6416ARegs* Regs); unsigned char TCA6416AInitI2CReg(TCA6416