[参考译文] MSP430FR5043：I2C 配置

您可以在这里找到一个代码，该代码与 ZMOD4410一起使用，但我的主要问题是使用了他们编译的库。

boolean I2CB0_Rd_2SLA(u8 slave_adress_zmod, u8 reg_adr, u8* dest, u8 nb)
{
    u8 nb_data = nb;
    boolean nack = False;
    
	
    UCB0I2CSA = slave_adress_zmod;                      // load slave adress
    UCB0CTLW0 |= (UCTR | UCTXSTT);                     // I2C Tx  + start condition
    UCB0IFG &= ~(UCNACKIFG);


    while ((UCB0IFG & UCTXIFG) != UCTXIFG)    /// attente buffer libre
    {
        if ((UCB0IFG & UCNACKIFG) == UCNACKIFG)
        {
            nack = True;
            break;
        }
    }   

    if (nack == False)
    {
        UCB0TXBUF = reg_adr;                      // place datas in Tx Buffer  
        while((UCB0IFG & UCTXIFG) != UCTXIFG)    /// attente buffer libre
        {
            if ((UCB0IFG & UCNACKIFG) == UCNACKIFG)
            {
                nack = True;
                break;
            }
        }
    }


    if (nack == False)
    {
        UCB0I2CSA = slave_adress_zmod;                   // load slave adress
        UCB0CTLW0 &= ~UCTR ;                       // I2C RX  
        UCB0CTLW0 |= UCTXSTT ;                     // start condition
    
        if(nb_data == 1)                        // if only one byte to receive
        {

            while((UCB0CTLW0 & UCTXSTT) == UCTXSTT)                  // attente adr et start transmit avant envoi stop
            {
            }

            UCB0CTLW0 |= UCTXSTP ;                    // stop condition
            while((UCB0IFG & UCRXIFG) != UCRXIFG)
            {
                if ((UCB0IFG & UCNACKIFG) == UCNACKIFG)
                {
                    nack = True;
                    break;
                }
            }
            *dest = UCB0RXBUF;                    // read data   
        }
        else
        {
        	
            while(nb_data != 1)
            {      
                nb_data-- ;

                while((UCB0IFG & UCRXIFG) != UCRXIFG)
                {
                    if ((UCB0IFG & UCNACKIFG) == UCNACKIFG)
                    {
                        nack = True;
                        UCB0CTLW0 |= UCTXSTP ;                    // stop condition
                        break;
                    }
                }
                *dest++ = UCB0RXBUF;                   // read data
                
            }
            UCB0CTLW0 |= UCTXSTP ;                    // stop condition
            while((UCB0IFG & UCRXIFG) != UCRXIFG)
            {
                if ((UCB0IFG & UCNACKIFG) == UCNACKIFG)
                {
                    nack = True;
                    break;
                }
            }
            *dest = UCB0RXBUF;                         // read final data
        }
    }
    else
    	{
        UCB0CTLW0 |= UCTXSTP ;// stop condition
    	}
     
    return nack;
}