/**
* @brief De-initialize RNG registers (Registers restored to their default values).
* @param RNGx RNG Instance
* @retval An ErrorStatus enumeration value:
* - SUCCESS: RNG registers are de-initialized
* - ERROR: not applicable
*/
ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx)
{
/* Check the parameters */
assert_param(IS_RNG_ALL_INSTANCE(RNGx));
/* Enable RNG reset state */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_RNG);
/* Release RNG from reset state */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_RNG);
return (SUCCESS);
}
/**
* @brief De-initialize GPIO registers (Registers restored to their default values).
* @param GPIOx GPIO Port
* @retval An ErrorStatus enumeration value:
* - SUCCESS: GPIO registers are de-initialized
* - ERROR: Wrong GPIO Port
*/
ErrorStatus LL_GPIO_DeInit(GPIO_TypeDef *GPIOx)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
/* Force and Release reset on clock of GPIOx Port */
if (GPIOx == GPIOA)
{
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOA);
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOA);
}
else if (GPIOx == GPIOB)
{
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOB);
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOB);
}
else if (GPIOx == GPIOC)
{
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOC);
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOC);
}
#if defined(GPIOD)
else if (GPIOx == GPIOD)
{
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOD);
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOD);
}
#endif /* GPIOD */
#if defined(GPIOE)
else if (GPIOx == GPIOE)
{
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOE);
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOE);
}
#endif /* GPIOE */
#if defined(GPIOF)
else if (GPIOx == GPIOF)
{
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOF);
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOF);
}
#endif /* GPIOF */
else
{
status = ERROR;
}
return (status);
}
/**
* @brief De-initialize CRC registers (Registers restored to their default values).
* @param CRCx CRC Instance
* @retval An ErrorStatus enumeration value:
* - SUCCESS: CRC registers are de-initialized
* - ERROR: CRC registers are not de-initialized
*/
ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_CRC_ALL_INSTANCE(CRCx));
if (CRCx == CRC)
{
/* Force CRC reset */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_CRC);
/* Release CRC reset */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_CRC);
}
else
{
status = ERROR;
}
return (status);
}
/**
* @brief De-initialize DMA2D registers (registers restored to their default values).
* @param DMA2Dx DMA2D Instance
* @retval An ErrorStatus enumeration value:
* - SUCCESS: DMA2D registers are de-initialized
* - ERROR: DMA2D registers are not de-initialized
*/
ErrorStatus LL_DMA2D_DeInit(DMA2D_TypeDef *DMA2Dx)
{
ErrorStatus status = SUCCESS;
/* Check the parameters */
assert_param(IS_DMA2D_ALL_INSTANCE(DMA2Dx));
if (DMA2Dx == DMA2D)
{
/* Force reset of DMA2D clock */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA2D);
/* Release reset of DMA2D clock */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA2D);
}
else
{
status = ERROR;
}
return (status);
}
/**
* @brief De-initialize registers of all ADC instances belonging to
* the same ADC common instance to their default reset values.
* @note This function is performing a hard reset, using high level
* clock source RCC ADC reset.
* Caution: On this STM32 serie, if several ADC instances are available
* on the selected device, RCC ADC reset will reset
* all ADC instances belonging to the common ADC instance.
* To de-initialize only 1 ADC instance, use
* function @ref LL_ADC_DeInit().
* @param ADCxy_COMMON ADC common instance
* (can be set directly from CMSIS definition or by using helper macro @ref __LL_ADC_COMMON_INSTANCE() )
* @retval An ErrorStatus enumeration value:
* - SUCCESS: ADC common registers are de-initialized
* - ERROR: not applicable
*/
ErrorStatus LL_ADC_CommonDeInit(ADC_Common_TypeDef *ADCxy_COMMON)
{
/* Check the parameters */
assert_param(IS_ADC_COMMON_INSTANCE(ADCxy_COMMON));
if(ADCxy_COMMON == ADC12_COMMON)
{
/* Force reset of ADC clock (core clock) */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_ADC12);
/* Release reset of ADC clock (core clock) */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_ADC12);
}
else
{
/* Force reset of ADC clock (core clock) */
LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_ADC3);
/* Release reset of ADC clock (core clock) */
LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_ADC3);
}
return SUCCESS;
}
/**
* @brief De-initialize the DMA registers to their default reset values.
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @arg @ref LL_DMA_CHANNEL_ALL
* @retval An ErrorStatus enumeration value:
* - SUCCESS: DMA registers are de-initialized
* - ERROR: DMA registers are not de-initialized
*/
uint32_t LL_DMA_DeInit(DMA_TypeDef *DMAx, uint32_t Channel)
{
DMA_Channel_TypeDef *tmp = (DMA_Channel_TypeDef *)DMA1_Channel1;
ErrorStatus status = SUCCESS;
/* Check the DMA Instance DMAx and Channel parameters*/
assert_param(IS_LL_DMA_ALL_CHANNEL_INSTANCE(DMAx, Channel) || (Channel == LL_DMA_CHANNEL_ALL));
if (Channel == LL_DMA_CHANNEL_ALL)
{
if (DMAx == DMA1)
{
/* Force reset of DMA clock */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA1);
/* Release reset of DMA clock */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA1);
}
#if defined(DMA2)
else if (DMAx == DMA2)
{
/* Force reset of DMA clock */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA2);
/* Release reset of DMA clock */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA2);
}
#endif
else
{
status = ERROR;
}
}
else
{
tmp = (DMA_Channel_TypeDef *)(__LL_DMA_GET_CHANNEL_INSTANCE(DMAx, Channel));
/* Disable the selected DMAx_Channely */
CLEAR_BIT(tmp->CCR, DMA_CCR_EN);
/* Reset DMAx_Channely control register */
LL_DMA_WriteReg(tmp, CCR, 0U);
/* Reset DMAx_Channely remaining bytes register */
LL_DMA_WriteReg(tmp, CNDTR, 0U);
/* Reset DMAx_Channely peripheral address register */
LL_DMA_WriteReg(tmp, CPAR, 0U);
/* Reset DMAx_Channely memory address register */
LL_DMA_WriteReg(tmp, CMAR, 0U);
/* Reset Request register field for DMAx Channel */
LL_DMA_SetPeriphRequest(DMAx, Channel, LL_DMA_REQUEST_0);
if (Channel == LL_DMA_CHANNEL_1)
{
/* Reset interrupt pending bits for DMAx Channel1 */
LL_DMA_ClearFlag_GI1(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_2)
{
/* Reset interrupt pending bits for DMAx Channel2 */
LL_DMA_ClearFlag_GI2(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_3)
{
/* Reset interrupt pending bits for DMAx Channel3 */
LL_DMA_ClearFlag_GI3(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_4)
{
/* Reset interrupt pending bits for DMAx Channel4 */
LL_DMA_ClearFlag_GI4(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_5)
{
/* Reset interrupt pending bits for DMAx Channel5 */
LL_DMA_ClearFlag_GI5(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_6)
{
/* Reset interrupt pending bits for DMAx Channel6 */
LL_DMA_ClearFlag_GI6(DMAx);
}
else if (Channel == LL_DMA_CHANNEL_7)
{
/* Reset interrupt pending bits for DMAx Channel7 */
LL_DMA_ClearFlag_GI7(DMAx);
}
else
{
status = ERROR;
}
}
return status;
}
/**
* @brief De-initialize the DMA registers to their default reset values.
* @param DMAx DMAx Instance
* @param Stream This parameter can be one of the following values:
* @arg @ref LL_DMA_STREAM_0
* @arg @ref LL_DMA_STREAM_1
* @arg @ref LL_DMA_STREAM_2
* @arg @ref LL_DMA_STREAM_3
* @arg @ref LL_DMA_STREAM_4
* @arg @ref LL_DMA_STREAM_5
* @arg @ref LL_DMA_STREAM_6
* @arg @ref LL_DMA_STREAM_7
* @arg @ref LL_DMA_STREAM_ALL
* @retval An ErrorStatus enumeration value:
* - SUCCESS: DMA registers are de-initialized
* - ERROR: DMA registers are not de-initialized
*/
uint32_t LL_DMA_DeInit(DMA_TypeDef *DMAx, uint32_t Stream)
{
DMA_Stream_TypeDef *tmp = (DMA_Stream_TypeDef *)DMA1_Stream0;
ErrorStatus status = SUCCESS;
/* Check the DMA Instance DMAx and Stream parameters*/
assert_param(IS_LL_DMA_ALL_STREAM_INSTANCE(DMAx, Stream));
if (Stream == LL_DMA_STREAM_ALL)
{
if (DMAx == DMA1)
{
/* Force reset of DMA clock */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA1);
/* Release reset of DMA clock */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA1);
}
else if (DMAx == DMA2)
{
/* Force reset of DMA clock */
LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA2);
/* Release reset of DMA clock */
LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA2);
}
else
{
status = ERROR;
}
}
else
{
/* Disable the selected Stream */
LL_DMA_DisableStream(DMAx,Stream);
/* Get the DMA Stream Instance */
tmp = (DMA_Stream_TypeDef *)(__LL_DMA_GET_STREAM_INSTANCE(DMAx, Stream));
/* Reset DMAx_Streamy configuration register */
LL_DMA_WriteReg(tmp, CR, 0U);
/* Reset DMAx_Streamy remaining bytes register */
LL_DMA_WriteReg(tmp, NDTR, 0U);
/* Reset DMAx_Streamy peripheral address register */
LL_DMA_WriteReg(tmp, PAR, 0U);
/* Reset DMAx_Streamy memory address register */
LL_DMA_WriteReg(tmp, M0AR, 0U);
/* Reset DMAx_Streamy memory address register */
LL_DMA_WriteReg(tmp, M1AR, 0U);
/* Reset DMAx_Streamy FIFO control register */
LL_DMA_WriteReg(tmp, FCR, 0x00000021U);
/* Reset Channel register field for DMAx Stream*/
LL_DMA_SetChannelSelection(DMAx, Stream, LL_DMA_CHANNEL_0);
if(Stream == LL_DMA_STREAM_0)
{
/* Reset the Stream0 pending flags */
DMAx->LIFCR = 0x0000003FU;
}
else if(Stream == LL_DMA_STREAM_1)
{
/* Reset the Stream1 pending flags */
DMAx->LIFCR = 0x00000F40U;
}
else if(Stream == LL_DMA_STREAM_2)
{
/* Reset the Stream2 pending flags */
DMAx->LIFCR = 0x003F0000U;
}
else if(Stream == LL_DMA_STREAM_3)
{
/* Reset the Stream3 pending flags */
DMAx->LIFCR = 0x0F400000U;
}
else if(Stream == LL_DMA_STREAM_4)
{
/* Reset the Stream4 pending flags */
DMAx->HIFCR = 0x0000003FU;
}
else if(Stream == LL_DMA_STREAM_5)
{
/* Reset the Stream5 pending flags */
DMAx->HIFCR = 0x00000F40U;
}
else if(Stream == LL_DMA_STREAM_6)
{
/* Reset the Stream6 pending flags */
DMAx->HIFCR = 0x003F0000U;
}
else if(Stream == LL_DMA_STREAM_7)
{
/* Reset the Stream7 pending flags */
DMAx->HIFCR = 0x0F400000U;
}
else
{
status = ERROR;
}
}
return status;
}
