[参考译文] CCS/MSP430FR5969：I2C 从模式 UCRXIE0中断未启用

https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/751325/ccs-msp430fr5969-i2c-slave-mode-ucrxie0-interrupt-not-enabled

工具/软件：Code Composer Studio

您好！、

当处于从机模式时、我无法获得任何中断。

它显示了启用寄存器 UCB0IE 中中断的操作码、位 UCRXIE0未被置位。

此外、调试器显示错误：无法从非基元位置加载

我错过了什么？

/*--------------------------------------------
* Initialize_I2C_Slave ()
*
*初始化 MSP430FR5969的 I2C 从模式
＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊。 *
void Initialize_I2C_Slave (void)
｛
uint8_t test = 0；

UCB0CTL1 = UCSWRST；// eUSCI_B 处于复位状态
UCB0CTLW0 |= UCMODE_3 + UCSYNC；// I2C 从机模式
UCB0I2COA0 = UCOAEN | 0x29； //设置从地址
P1SEL0 = 0；
P1SEL1 |=(BIT6 | BIT7)；// UCB0 I2C 模式
UCB0CTL1 &=~Ω(UCSWRST)；// eUSCI_B 处于运行状态

UCB0IE |= UCTXIE0；//启用 TX 中断
UCB0IE |= UCRXIE0；//启用 RX 中断
UCB0IE |= UCSTTIE；//启用启动条件中断
UCB0IE |= UCSTPIE；//启用停止条件中断

if ((UCB0IE & UCRXIE0)== UCRXIE0)
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//！！！！！ 调试应该在这里！！！！
测试= 1；
｝

enable_IRQ ()；//启用中断生成
｝

此致、

Julian