WebSVN – FuelGauge – Diff – /trunk/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2s.c



    }
 
    /* I2S standard */
    if (hi2s->Init.Standard <= I2S_STANDARD_LSB)
    {
      /* In I2S standard packet length is multiplied by 2 */
      packetlength = packetlength * 2U;
    }
 
    /* Get the source clock value: based on System Clock value */
    i2sclk = HAL_RCC_GetSysClockFreq();

  * @param  pData a 16-bit pointer to data buffer.
  * @param  Size number of data sample to be sent:
  * @note   When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
  *         configuration phase, the Size parameter means the number of 16-bit data length
  *         in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
  *         the Size parameter means the number of 24-bit or 32-bit data length.
  * @param  Timeout Timeout duration
  * @note   The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
  *         between Master and Slave(example: audio streaming).
  * @retval HAL status
  */

  * @param  pData a 16-bit pointer to data buffer.
  * @param  Size number of data sample to be sent:
  * @note   When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
  *         configuration phase, the Size parameter means the number of 16-bit data length
  *         in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
  *         the Size parameter means the number of 24-bit or 32-bit data length.
  * @param  Timeout Timeout duration
  * @note   The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
  *         between Master and Slave(example: audio streaming).
  * @note   In I2S Master Receiver mode, just after enabling the peripheral the clock will be generate
  *         in continuous way and as the I2S is not disabled at the end of the I2S transaction.

  * @param  pData a 16-bit pointer to data buffer.
  * @param  Size number of data sample to be sent:
  * @note   When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
  *         configuration phase, the Size parameter means the number of 16-bit data length
  *         in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
  *         the Size parameter means the number of 24-bit or 32-bit data length.
  * @note   The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
  *         between Master and Slave(example: audio streaming).
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_I2S_Transmit_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size)

  * @param  pData a 16-bit pointer to the Receive data buffer.
  * @param  Size number of data sample to be sent:
  * @note   When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
  *         configuration phase, the Size parameter means the number of 16-bit data length
  *         in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
  *         the Size parameter means the number of 24-bit or 32-bit data length.
  * @note   The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
  *         between Master and Slave(example: audio streaming).
  * @note   It is recommended to use DMA for the I2S receiver to avoid de-synchronization
  * between Master and Slave otherwise the I2S interrupt should be optimized.
  * @retval HAL status

  * @param  pData a 16-bit pointer to the Transmit data buffer.
  * @param  Size number of data sample to be sent:
  * @note   When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
  *         configuration phase, the Size parameter means the number of 16-bit data length
  *         in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
  *         the Size parameter means the number of 24-bit or 32-bit data length.
  * @note   The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
  *         between Master and Slave(example: audio streaming).
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_I2S_Transmit_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size)

  * @param  pData a 16-bit pointer to the Receive data buffer.
  * @param  Size number of data sample to be sent:
  * @note   When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
  *         configuration phase, the Size parameter means the number of 16-bit data length
  *         in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
  *         the Size parameter means the number of 24-bit or 32-bit data length.
  * @note   The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
  *         between Master and Slave(example: audio streaming).
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_I2S_Receive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size)

Subversion Repositories FuelGauge

(root)/trunk/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2s.c – Rev 2 → 6

Rev 2		Rev 6
Line 327...		Line 327...
327	}	327	}
328		328
329	/* I2S standard */	329	/* I2S standard */
330	if (hi2s->Init.Standard <= I2S_STANDARD_LSB)	330	if (hi2s->Init.Standard <= I2S_STANDARD_LSB)
331	{	331	{
332	/* In I2S standard packet lenght is multiplied by 2 */	332	/* In I2S standard packet length is multiplied by 2 */
333	packetlength = packetlength * 2U;	333	packetlength = packetlength * 2U;
334	}	334	}
335		335
336	/* Get the source clock value: based on System Clock value */	336	/* Get the source clock value: based on System Clock value */
337	i2sclk = HAL_RCC_GetSysClockFreq();	337	i2sclk = HAL_RCC_GetSysClockFreq();
Line 732...		Line 732...
732	* @param pData a 16-bit pointer to data buffer.	732	* @param pData a 16-bit pointer to data buffer.
733	* @param Size number of data sample to be sent:	733	* @param Size number of data sample to be sent:
734	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S	734	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
735	* configuration phase, the Size parameter means the number of 16-bit data length	735	* configuration phase, the Size parameter means the number of 16-bit data length
736	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected	736	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
737	* the Size parameter means the number of 16-bit data length.	737	* the Size parameter means the number of 24-bit or 32-bit data length.
738	* @param Timeout Timeout duration	738	* @param Timeout Timeout duration
739	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization	739	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
740	* between Master and Slave(example: audio streaming).	740	* between Master and Slave(example: audio streaming).
741	* @retval HAL status	741	* @retval HAL status
742	*/	742	*/
Line 849...		Line 849...
849	* @param pData a 16-bit pointer to data buffer.	849	* @param pData a 16-bit pointer to data buffer.
850	* @param Size number of data sample to be sent:	850	* @param Size number of data sample to be sent:
851	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S	851	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
852	* configuration phase, the Size parameter means the number of 16-bit data length	852	* configuration phase, the Size parameter means the number of 16-bit data length
853	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected	853	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
854	* the Size parameter means the number of 16-bit data length.	854	* the Size parameter means the number of 24-bit or 32-bit data length.
855	* @param Timeout Timeout duration	855	* @param Timeout Timeout duration
856	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization	856	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
857	* between Master and Slave(example: audio streaming).	857	* between Master and Slave(example: audio streaming).
858	* @note In I2S Master Receiver mode, just after enabling the peripheral the clock will be generate	858	* @note In I2S Master Receiver mode, just after enabling the peripheral the clock will be generate
859	* in continuous way and as the I2S is not disabled at the end of the I2S transaction.	859	* in continuous way and as the I2S is not disabled at the end of the I2S transaction.
Line 950...		Line 950...
950	* @param pData a 16-bit pointer to data buffer.	950	* @param pData a 16-bit pointer to data buffer.
951	* @param Size number of data sample to be sent:	951	* @param Size number of data sample to be sent:
952	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S	952	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
953	* configuration phase, the Size parameter means the number of 16-bit data length	953	* configuration phase, the Size parameter means the number of 16-bit data length
954	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected	954	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
955	* the Size parameter means the number of 16-bit data length.	955	* the Size parameter means the number of 24-bit or 32-bit data length.
956	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization	956	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
957	* between Master and Slave(example: audio streaming).	957	* between Master and Slave(example: audio streaming).
958	* @retval HAL status	958	* @retval HAL status
959	*/	959	*/
960	HAL_StatusTypeDef HAL_I2S_Transmit_IT(I2S_HandleTypeDef hi2s, uint16_t pData, uint16_t Size)	960	HAL_StatusTypeDef HAL_I2S_Transmit_IT(I2S_HandleTypeDef hi2s, uint16_t pData, uint16_t Size)
Line 1014...		Line 1014...
1014	* @param pData a 16-bit pointer to the Receive data buffer.	1014	* @param pData a 16-bit pointer to the Receive data buffer.
1015	* @param Size number of data sample to be sent:	1015	* @param Size number of data sample to be sent:
1016	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S	1016	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
1017	* configuration phase, the Size parameter means the number of 16-bit data length	1017	* configuration phase, the Size parameter means the number of 16-bit data length
1018	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected	1018	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
1019	* the Size parameter means the number of 16-bit data length.	1019	* the Size parameter means the number of 24-bit or 32-bit data length.
1020	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization	1020	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
1021	* between Master and Slave(example: audio streaming).	1021	* between Master and Slave(example: audio streaming).
1022	* @note It is recommended to use DMA for the I2S receiver to avoid de-synchronization	1022	* @note It is recommended to use DMA for the I2S receiver to avoid de-synchronization
1023	* between Master and Slave otherwise the I2S interrupt should be optimized.	1023	* between Master and Slave otherwise the I2S interrupt should be optimized.
1024	* @retval HAL status	1024	* @retval HAL status
Line 1080...		Line 1080...
1080	* @param pData a 16-bit pointer to the Transmit data buffer.	1080	* @param pData a 16-bit pointer to the Transmit data buffer.
1081	* @param Size number of data sample to be sent:	1081	* @param Size number of data sample to be sent:
1082	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S	1082	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
1083	* configuration phase, the Size parameter means the number of 16-bit data length	1083	* configuration phase, the Size parameter means the number of 16-bit data length
1084	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected	1084	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
1085	* the Size parameter means the number of 16-bit data length.	1085	* the Size parameter means the number of 24-bit or 32-bit data length.
1086	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization	1086	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
1087	* between Master and Slave(example: audio streaming).	1087	* between Master and Slave(example: audio streaming).
1088	* @retval HAL status	1088	* @retval HAL status
1089	*/	1089	*/
1090	HAL_StatusTypeDef HAL_I2S_Transmit_DMA(I2S_HandleTypeDef hi2s, uint16_t pData, uint16_t Size)	1090	HAL_StatusTypeDef HAL_I2S_Transmit_DMA(I2S_HandleTypeDef hi2s, uint16_t pData, uint16_t Size)
Line 1171...		Line 1171...
1171	* @param pData a 16-bit pointer to the Receive data buffer.	1171	* @param pData a 16-bit pointer to the Receive data buffer.
1172	* @param Size number of data sample to be sent:	1172	* @param Size number of data sample to be sent:
1173	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S	1173	* @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S
1174	* configuration phase, the Size parameter means the number of 16-bit data length	1174	* configuration phase, the Size parameter means the number of 16-bit data length
1175	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected	1175	* in the transaction and when a 24-bit data frame or a 32-bit data frame is selected
1176	* the Size parameter means the number of 16-bit data length.	1176	* the Size parameter means the number of 24-bit or 32-bit data length.
1177	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization	1177	* @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization
1178	* between Master and Slave(example: audio streaming).	1178	* between Master and Slave(example: audio streaming).
1179	* @retval HAL status	1179	* @retval HAL status
1180	*/	1180	*/
1181	HAL_StatusTypeDef HAL_I2S_Receive_DMA(I2S_HandleTypeDef hi2s, uint16_t pData, uint16_t Size)	1181	HAL_StatusTypeDef HAL_I2S_Receive_DMA(I2S_HandleTypeDef hi2s, uint16_t pData, uint16_t Size)