/*******************************************************************************
* 函数名称: SPI_I2S_ITConfig
* 功能描述: 使能或禁止指定的SPI/I2S中断。
* 输入参数: (1)SPIx: x可以是 :
* - 1, 2 或 3 在 SPI 模式
* - 2 或 3 在 I2S 模式
* (2)SPI_I2S_IT: 指定的中断源被使能或禁止.
* 这个参数可以是下面的值之一:
* - SPI_I2S_IT_TXE: Tx buffer empty interrupt mask
* - SPI_I2S_IT_RXNE: Rx buffer not empty interrupt mask
* - SPI_I2S_IT_ERR: Error interrupt mask
* (3)NewState: 指定的 SPI/I2S 中断新状态.
* 这个参数可以是: ENABLE or DISABLE.
* 输出参数: 无
* 返回参数: 无
*******************************************************************************/
void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, u8 SPI_I2S_IT, FunctionalState NewState)
{
u16 itpos = 0, itmask = 0 ;
/* Check the parameters [检查参数]*/
assert_param(IS_SPI_ALL_PERIPH(SPIx));
assert_param(IS_FUNCTIONAL_STATE(NewState));
assert_param(IS_SPI_I2S_CONFIG_IT(SPI_I2S_IT));
/* Get the SPI/I2S IT index */
itpos = SPI_I2S_IT >> 4;
/* Set the IT mask */
itmask = (u16)((u16)1 << itpos);
if (NewState != DISABLE)
{
/* Enable the selected SPI/I2S interrupt [使能选择的SPI/I2S 中断]*/
SPIx->CR2 |= itmask;
}
else
{
/* Disable the selected SPI/I2S interrupt [禁止选择的SPI/I2S 中断]*/
SPIx->CR2 &= (u16)~itmask;
}
}
/**
* @brief Enables or disables the specified SPI/I2S interrupts.
* @param SPIx: where x can be 1 or 2 in SPI mode or 1 in I2S mode to select
* the SPI peripheral.
* @param SPI_I2S_IT: specifies the SPI interrupt source to be enabled or disabled.
* This parameter can be one of the following values:
* @arg SPI_I2S_IT_TXE: Tx buffer empty interrupt mask
* @arg SPI_I2S_IT_RXNE: Rx buffer not empty interrupt mask
* @arg SPI_I2S_IT_ERR: Error interrupt mask
* @param NewState: new state of the specified SPI interrupt.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState)
{
uint16_t itpos = 0, itmask = 0 ;
/* Check the parameters */
assert_param(IS_SPI_ALL_PERIPH(SPIx));
assert_param(IS_FUNCTIONAL_STATE(NewState));
assert_param(IS_SPI_I2S_CONFIG_IT(SPI_I2S_IT));
/* Get the SPI IT index */
itpos = SPI_I2S_IT >> 4;
/* Set the IT mask */
itmask = (uint16_t)1 << (uint16_t)itpos;
if (NewState != DISABLE)
{
/* Enable the selected SPI interrupt */
SPIx->CR2 |= itmask;
}
else
{
/* Disable the selected SPI interrupt */
SPIx->CR2 &= (uint16_t)~itmask;
}
}
