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This commit is contained in:
Johnny Hsu
2024-11-03 13:02:53 +01:00
parent 9cee5c9ca7
commit 68e7aab29e
204 changed files with 120346 additions and 690 deletions
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508
Software/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c.c
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@ -90,7 +90,7 @@
add their own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback()
(+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and users can
add their own code by customization of function pointer HAL_I2C_ErrorCallback()
(+) Abort a master I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT()
(+) Abort a master or memory I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT()
(+) End of abort process, HAL_I2C_AbortCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_I2C_AbortCpltCallback()
(+) Discard a slave I2C process communication using __HAL_I2C_GENERATE_NACK() macro.
@ -156,7 +156,7 @@
HAL_I2C_Master_Seq_Receive_IT() or using HAL_I2C_Master_Seq_Receive_DMA()
(+++) At reception end of current frame transfer, HAL_I2C_MasterRxCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_I2C_MasterRxCpltCallback()
(++) Abort a master IT or DMA I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT()
(++) Abort a master or memory IT or DMA I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT()
(+++) End of abort process, HAL_I2C_AbortCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_I2C_AbortCpltCallback()
(++) Enable/disable the Address listen mode in slave I2C mode using HAL_I2C_EnableListen_IT()
@ -214,7 +214,7 @@
add their own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback()
(+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and users can
add their own code by customization of function pointer HAL_I2C_ErrorCallback()
(+) Abort a master I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT()
(+) Abort a master or memory I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT()
(+) End of abort process, HAL_I2C_AbortCpltCallback() is executed and users can
add their own code by customization of function pointer HAL_I2C_AbortCpltCallback()
(+) Discard a slave I2C process communication using __HAL_I2C_GENERATE_NACK() macro.
@ -608,7 +608,12 @@ HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c)
/* Configure I2Cx: Addressing Master mode */
if (hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT)
{
hi2c->Instance->CR2 = (I2C_CR2_ADD10);
SET_BIT(hi2c->Instance->CR2, I2C_CR2_ADD10);
}
else
{
/* Clear the I2C ADD10 bit */
CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_ADD10);
}
/* Enable the AUTOEND by default, and enable NACK (should be disable only during Slave process */
hi2c->Instance->CR2 |= (I2C_CR2_AUTOEND | I2C_CR2_NACK);
@ -1115,6 +1120,7 @@ HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevA
uint16_t Size, uint32_t Timeout)
{
uint32_t tickstart;
uint32_t xfermode;
if (hi2c->State == HAL_I2C_STATE_READY)
{
@ -1138,18 +1144,39 @@ HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevA
hi2c->XferCount = Size;
hi2c->XferISR = NULL;
/* Send Slave Address */
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE and generate RESTART */
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, I2C_RELOAD_MODE,
I2C_GENERATE_START_WRITE);
xfermode = I2C_RELOAD_MODE;
}
else
{
hi2c->XferSize = hi2c->XferCount;
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, I2C_AUTOEND_MODE,
xfermode = I2C_AUTOEND_MODE;
}
if (hi2c->XferSize > 0U)
{
/* Preload TX register */
/* Write data to TXDR */
hi2c->Instance->TXDR = *hi2c->pBuffPtr;
/* Increment Buffer pointer */
hi2c->pBuffPtr++;
hi2c->XferCount--;
hi2c->XferSize--;
/* Send Slave Address */
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE and generate RESTART */
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)(hi2c->XferSize + 1U), xfermode,
I2C_GENERATE_START_WRITE);
}
else
{
/* Send Slave Address */
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE and generate RESTART */
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode,
I2C_GENERATE_START_WRITE);
}
@ -1261,7 +1288,7 @@ HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAd
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE and generate RESTART */
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
hi2c->XferSize = 1U;
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, I2C_RELOAD_MODE,
I2C_GENERATE_START_READ);
}
@ -1352,6 +1379,8 @@ HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData
uint32_t Timeout)
{
uint32_t tickstart;
uint16_t tmpXferCount;
HAL_StatusTypeDef error;
if (hi2c->State == HAL_I2C_STATE_READY)
{
@ -1378,14 +1407,6 @@ HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData
/* Enable Address Acknowledge */
hi2c->Instance->CR2 &= ~I2C_CR2_NACK;
/* Wait until ADDR flag is set */
if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout, tickstart) != HAL_OK)
{
/* Disable Address Acknowledge */
hi2c->Instance->CR2 |= I2C_CR2_NACK;
return HAL_ERROR;
}
/* Preload TX data if no stretch enable */
if (hi2c->Init.NoStretchMode == I2C_NOSTRETCH_ENABLE)
{
@ -1399,6 +1420,18 @@ HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData
hi2c->XferCount--;
}
/* Wait until ADDR flag is set */
if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout, tickstart) != HAL_OK)
{
/* Disable Address Acknowledge */
hi2c->Instance->CR2 |= I2C_CR2_NACK;
/* Flush TX register */
I2C_Flush_TXDR(hi2c);
return HAL_ERROR;
}
/* Clear ADDR flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ADDR);
@ -1410,6 +1443,10 @@ HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData
{
/* Disable Address Acknowledge */
hi2c->Instance->CR2 |= I2C_CR2_NACK;
/* Flush TX register */
I2C_Flush_TXDR(hi2c);
return HAL_ERROR;
}
@ -1422,6 +1459,10 @@ HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData
{
/* Disable Address Acknowledge */
hi2c->Instance->CR2 |= I2C_CR2_NACK;
/* Flush TX register */
I2C_Flush_TXDR(hi2c);
return HAL_ERROR;
}
@ -1445,31 +1486,48 @@ HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData
}
/* Wait until AF flag is set */
if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_AF, RESET, Timeout, tickstart) != HAL_OK)
error = I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_AF, RESET, Timeout, tickstart);
if (error != HAL_OK)
{
/* Disable Address Acknowledge */
hi2c->Instance->CR2 |= I2C_CR2_NACK;
return HAL_ERROR;
/* Check that I2C transfer finished */
/* if yes, normal use case, a NACK is sent by the MASTER when Transfer is finished */
/* Mean XferCount == 0 */
tmpXferCount = hi2c->XferCount;
if ((hi2c->ErrorCode == HAL_I2C_ERROR_AF) && (tmpXferCount == 0U))
{
/* Reset ErrorCode to NONE */
hi2c->ErrorCode = HAL_I2C_ERROR_NONE;
}
else
{
/* Disable Address Acknowledge */
hi2c->Instance->CR2 |= I2C_CR2_NACK;
return HAL_ERROR;
}
}
/* Flush TX register */
I2C_Flush_TXDR(hi2c);
/* Clear AF flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF);
/* Wait until STOP flag is set */
if (I2C_WaitOnSTOPFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK)
else
{
/* Disable Address Acknowledge */
hi2c->Instance->CR2 |= I2C_CR2_NACK;
/* Flush TX register */
I2C_Flush_TXDR(hi2c);
return HAL_ERROR;
/* Clear AF flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF);
/* Wait until STOP flag is set */
if (I2C_WaitOnSTOPFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK)
{
/* Disable Address Acknowledge */
hi2c->Instance->CR2 |= I2C_CR2_NACK;
return HAL_ERROR;
}
/* Clear STOP flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF);
}
/* Clear STOP flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF);
/* Wait until BUSY flag is reset */
if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout, tickstart) != HAL_OK)
{
@ -1672,7 +1730,26 @@ HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t D
/* Send Slave Address */
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE */
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode, I2C_GENERATE_START_WRITE);
if (hi2c->XferSize > 0U)
{
/* Preload TX register */
/* Write data to TXDR */
hi2c->Instance->TXDR = *hi2c->pBuffPtr;
/* Increment Buffer pointer */
hi2c->pBuffPtr++;
hi2c->XferCount--;
hi2c->XferSize--;
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)(hi2c->XferSize + 1U), xfermode,
I2C_GENERATE_START_WRITE);
}
else
{
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode,
I2C_GENERATE_START_WRITE);
}
/* Process Unlocked */
__HAL_UNLOCK(hi2c);
@ -1732,7 +1809,7 @@ HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t De
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
hi2c->XferSize = 1U;
xfermode = I2C_RELOAD_MODE;
}
else
@ -1895,6 +1972,7 @@ HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t
{
uint32_t xfermode;
HAL_StatusTypeDef dmaxferstatus;
uint32_t sizetoxfer = 0U;
if (hi2c->State == HAL_I2C_STATE_READY)
{
@ -1927,6 +2005,20 @@ HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t
xfermode = I2C_AUTOEND_MODE;
}
if (hi2c->XferSize > 0U)
{
/* Preload TX register */
/* Write data to TXDR */
hi2c->Instance->TXDR = *hi2c->pBuffPtr;
/* Increment Buffer pointer */
hi2c->pBuffPtr++;
sizetoxfer = hi2c->XferSize;
hi2c->XferCount--;
hi2c->XferSize--;
}
if (hi2c->XferSize > 0U)
{
if (hi2c->hdmatx != NULL)
@ -1942,8 +2034,8 @@ HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t
hi2c->hdmatx->XferAbortCallback = NULL;
/* Enable the DMA channel */
dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR,
hi2c->XferSize);
dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr,
(uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize);
}
else
{
@ -1964,7 +2056,8 @@ HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t
{
/* Send Slave Address */
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE and generate RESTART */
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode, I2C_GENERATE_START_WRITE);
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)(hi2c->XferSize + 1U),
xfermode, I2C_GENERATE_START_WRITE);
/* Update XferCount value */
hi2c->XferCount -= hi2c->XferSize;
@ -2003,7 +2096,7 @@ HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t
/* Send Slave Address */
/* Set NBYTES to write and generate START condition */
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, I2C_AUTOEND_MODE,
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)sizetoxfer, I2C_AUTOEND_MODE,
I2C_GENERATE_START_WRITE);
/* Process Unlocked */
@ -2065,7 +2158,7 @@ HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t D
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
hi2c->XferSize = 1U;
xfermode = I2C_RELOAD_MODE;
}
else
@ -2159,11 +2252,11 @@ HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t D
/* Note : The I2C interrupts must be enabled after unlocking current process
to avoid the risk of I2C interrupt handle execution before current
process unlock */
/* Enable ERR, TC, STOP, NACK, TXI interrupt */
/* Enable ERR, TC, STOP, NACK, RXI interrupt */
/* possible to enable all of these */
/* I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI |
I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */
I2C_Enable_IRQ(hi2c, I2C_XFER_TX_IT);
I2C_Enable_IRQ(hi2c, I2C_XFER_RX_IT);
}
return HAL_OK;
@ -2612,7 +2705,7 @@ HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress,
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE and generate RESTART */
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
hi2c->XferSize = 1U;
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, I2C_RELOAD_MODE,
I2C_GENERATE_START_READ);
}
@ -2650,7 +2743,7 @@ HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress,
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
hi2c->XferSize = 1U;
I2C_TransferConfig(hi2c, DevAddress, (uint8_t) hi2c->XferSize, I2C_RELOAD_MODE,
I2C_NO_STARTSTOP);
}
@ -2728,6 +2821,7 @@ HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddr
hi2c->ErrorCode = HAL_I2C_ERROR_NONE;
/* Prepare transfer parameters */
hi2c->XferSize = 0U;
hi2c->pBuffPtr = pData;
hi2c->XferCount = Size;
hi2c->XferOptions = I2C_NO_OPTION_FRAME;
@ -2849,11 +2943,11 @@ HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddre
to avoid the risk of I2C interrupt handle execution before current
process unlock */
/* Enable ERR, TC, STOP, NACK, RXI interrupt */
/* Enable ERR, TC, STOP, NACK, TXI interrupt */
/* possible to enable all of these */
/* I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI |
I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */
I2C_Enable_IRQ(hi2c, (I2C_XFER_TX_IT | I2C_XFER_RX_IT));
I2C_Enable_IRQ(hi2c, I2C_XFER_TX_IT);
return HAL_OK;
}
@ -3259,22 +3353,6 @@ HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAdd
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF);
}
/* Check if the maximum allowed number of trials has been reached */
if (I2C_Trials == Trials)
{
/* Generate Stop */
hi2c->Instance->CR2 |= I2C_CR2_STOP;
/* Wait until STOPF flag is reset */
if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout, tickstart) != HAL_OK)
{
return HAL_ERROR;
}
/* Clear STOP Flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF);
}
/* Increment Trials */
I2C_Trials++;
} while (I2C_Trials < Trials);
@ -3313,6 +3391,7 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16
{
uint32_t xfermode;
uint32_t xferrequest = I2C_GENERATE_START_WRITE;
uint32_t sizetoxfer = 0U;
/* Check the parameters */
assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions));
@ -3344,6 +3423,21 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16
xfermode = hi2c->XferOptions;
}
if ((hi2c->XferSize > 0U) && ((XferOptions == I2C_FIRST_FRAME) || \
(XferOptions == I2C_FIRST_AND_LAST_FRAME)))
{
/* Preload TX register */
/* Write data to TXDR */
hi2c->Instance->TXDR = *hi2c->pBuffPtr;
/* Increment Buffer pointer */
hi2c->pBuffPtr++;
sizetoxfer = hi2c->XferSize;
hi2c->XferCount--;
hi2c->XferSize--;
}
/* If transfer direction not change and there is no request to start another frame,
do not generate Restart Condition */
/* Mean Previous state is same as current state */
@ -3365,7 +3459,14 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16
}
/* Send Slave Address and set NBYTES to write */
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode, xferrequest);
if ((XferOptions == I2C_FIRST_FRAME) || (XferOptions == I2C_FIRST_AND_LAST_FRAME))
{
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)sizetoxfer, xfermode, xferrequest);
}
else
{
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode, xferrequest);
}
/* Process Unlocked */
__HAL_UNLOCK(hi2c);
@ -3405,6 +3506,7 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint1
uint32_t xfermode;
uint32_t xferrequest = I2C_GENERATE_START_WRITE;
HAL_StatusTypeDef dmaxferstatus;
uint32_t sizetoxfer = 0U;
/* Check the parameters */
assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions));
@ -3436,6 +3538,21 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint1
xfermode = hi2c->XferOptions;
}
if ((hi2c->XferSize > 0U) && ((XferOptions == I2C_FIRST_FRAME) || \
(XferOptions == I2C_FIRST_AND_LAST_FRAME)))
{
/* Preload TX register */
/* Write data to TXDR */
hi2c->Instance->TXDR = *hi2c->pBuffPtr;
/* Increment Buffer pointer */
hi2c->pBuffPtr++;
sizetoxfer = hi2c->XferSize;
hi2c->XferCount--;
hi2c->XferSize--;
}
/* If transfer direction not change and there is no request to start another frame,
do not generate Restart Condition */
/* Mean Previous state is same as current state */
@ -3471,8 +3588,8 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint1
hi2c->hdmatx->XferAbortCallback = NULL;
/* Enable the DMA channel */
dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR,
hi2c->XferSize);
dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr,
(uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize);
}
else
{
@ -3492,7 +3609,14 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint1
if (dmaxferstatus == HAL_OK)
{
/* Send Slave Address and set NBYTES to write */
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode, xferrequest);
if ((XferOptions == I2C_FIRST_FRAME) || (XferOptions == I2C_FIRST_AND_LAST_FRAME))
{
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)sizetoxfer, xfermode, xferrequest);
}
else
{
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode, xferrequest);
}
/* Update XferCount value */
hi2c->XferCount -= hi2c->XferSize;
@ -3531,8 +3655,14 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint1
/* Send Slave Address */
/* Set NBYTES to write and generate START condition */
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, I2C_AUTOEND_MODE,
I2C_GENERATE_START_WRITE);
if ((XferOptions == I2C_FIRST_FRAME) || (XferOptions == I2C_FIRST_AND_LAST_FRAME))
{
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)sizetoxfer, xfermode, xferrequest);
}
else
{
I2C_TransferConfig(hi2c, DevAddress, (uint8_t)hi2c->XferSize, xfermode, xferrequest);
}
/* Process Unlocked */
__HAL_UNLOCK(hi2c);
@ -3795,11 +3925,11 @@ HAL_StatusTypeDef HAL_I2C_Master_Seq_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16
/* Note : The I2C interrupts must be enabled after unlocking current process
to avoid the risk of I2C interrupt handle execution before current
process unlock */
/* Enable ERR, TC, STOP, NACK, TXI interrupt */
/* Enable ERR, TC, STOP, NACK, RXI interrupt */
/* possible to enable all of these */
/* I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI |
I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */
I2C_Enable_IRQ(hi2c, I2C_XFER_TX_IT);
I2C_Enable_IRQ(hi2c, I2C_XFER_RX_IT);
}
return HAL_OK;
@ -4434,7 +4564,7 @@ HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c)
}
/**
* @brief Abort a master I2C IT or DMA process communication with Interrupt.
* @brief Abort a master or memory I2C IT or DMA process communication with Interrupt.
* @param hi2c Pointer to a I2C_HandleTypeDef structure that contains
* the configuration information for the specified I2C.
* @param DevAddress Target device address: The device 7 bits address value
@ -4443,7 +4573,9 @@ HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c)
*/
HAL_StatusTypeDef HAL_I2C_Master_Abort_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress)
{
if (hi2c->Mode == HAL_I2C_MODE_MASTER)
HAL_I2C_ModeTypeDef tmp_mode = hi2c->Mode;
if ((tmp_mode == HAL_I2C_MODE_MASTER) || (tmp_mode == HAL_I2C_MODE_MEM))
{
/* Process Locked */
__HAL_LOCK(hi2c);
@ -4842,17 +4974,22 @@ static HAL_StatusTypeDef I2C_Master_ISR_IT(struct __I2C_HandleTypeDef *hi2c, uin
hi2c->XferSize--;
hi2c->XferCount--;
}
else if ((I2C_CHECK_FLAG(tmpITFlags, I2C_FLAG_TXIS) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_TXI) != RESET))
else if ((I2C_CHECK_FLAG(tmpITFlags, I2C_FLAG_TC) == RESET) && \
((I2C_CHECK_FLAG(tmpITFlags, I2C_FLAG_TXIS) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_TXI) != RESET)))
{
/* Write data to TXDR */
hi2c->Instance->TXDR = *hi2c->pBuffPtr;
if (hi2c->XferCount != 0U)
{
/* Write data to TXDR */
hi2c->Instance->TXDR = *hi2c->pBuffPtr;
/* Increment Buffer pointer */
hi2c->pBuffPtr++;
/* Increment Buffer pointer */
hi2c->pBuffPtr++;
hi2c->XferSize--;
hi2c->XferCount--;
hi2c->XferSize--;
hi2c->XferCount--;
}
}
else if ((I2C_CHECK_FLAG(tmpITFlags, I2C_FLAG_TCR) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_TCI) != RESET))
@ -4863,7 +5000,15 @@ static HAL_StatusTypeDef I2C_Master_ISR_IT(struct __I2C_HandleTypeDef *hi2c, uin
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
/* Errata workaround 170323 */
if (I2C_GET_DIR(hi2c) == I2C_DIRECTION_RECEIVE)
{
hi2c->XferSize = 1U;
}
else
{
hi2c->XferSize = MAX_NBYTE_SIZE;
}
I2C_TransferConfig(hi2c, devaddress, (uint8_t)hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP);
}
else
@ -5018,7 +5163,15 @@ static HAL_StatusTypeDef I2C_Mem_ISR_IT(struct __I2C_HandleTypeDef *hi2c, uint32
{
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
/* Errata workaround 170323 */
if (I2C_GET_DIR(hi2c) == I2C_DIRECTION_RECEIVE)
{
hi2c->XferSize = 1U;
}
else
{
hi2c->XferSize = MAX_NBYTE_SIZE;
}
I2C_TransferConfig(hi2c, (uint16_t)hi2c->Devaddress, (uint8_t)hi2c->XferSize,
I2C_RELOAD_MODE, I2C_NO_STARTSTOP);
}
@ -5039,6 +5192,12 @@ static HAL_StatusTypeDef I2C_Mem_ISR_IT(struct __I2C_HandleTypeDef *hi2c, uint32
else if ((I2C_CHECK_FLAG(tmpITFlags, I2C_FLAG_TC) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_TCI) != RESET))
{
/* Disable Interrupt related to address step */
I2C_Disable_IRQ(hi2c, I2C_XFER_TX_IT);
/* Enable ERR, TC, STOP, NACK and RXI interrupts */
I2C_Enable_IRQ(hi2c, I2C_XFER_RX_IT);
if (hi2c->State == HAL_I2C_STATE_BUSY_RX)
{
direction = I2C_GENERATE_START_READ;
@ -5046,7 +5205,15 @@ static HAL_StatusTypeDef I2C_Mem_ISR_IT(struct __I2C_HandleTypeDef *hi2c, uint32
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
/* Errata workaround 170323 */
if (I2C_GET_DIR(hi2c) == I2C_DIRECTION_RECEIVE)
{
hi2c->XferSize = 1U;
}
else
{
hi2c->XferSize = MAX_NBYTE_SIZE;
}
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE and generate RESTART */
I2C_TransferConfig(hi2c, (uint16_t)hi2c->Devaddress, (uint8_t)hi2c->XferSize,
@ -5103,9 +5270,8 @@ static HAL_StatusTypeDef I2C_Slave_ISR_IT(struct __I2C_HandleTypeDef *hi2c, uint
/* Call I2C Slave complete process */
I2C_ITSlaveCplt(hi2c, tmpITFlags);
}
if ((I2C_CHECK_FLAG(tmpITFlags, I2C_FLAG_AF) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_NACKI) != RESET))
else if ((I2C_CHECK_FLAG(tmpITFlags, I2C_FLAG_AF) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_NACKI) != RESET))
{
/* Check that I2C transfer finished */
/* if yes, normal use case, a NACK is sent by the MASTER when Transfer is finished */
@ -5268,7 +5434,15 @@ static HAL_StatusTypeDef I2C_Master_ISR_DMA(struct __I2C_HandleTypeDef *hi2c, ui
/* Prepare the new XferSize to transfer */
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
/* Errata workaround 170323 */
if (I2C_GET_DIR(hi2c) == I2C_DIRECTION_RECEIVE)
{
hi2c->XferSize = 1U;
}
else
{
hi2c->XferSize = MAX_NBYTE_SIZE;
}
xfermode = I2C_RELOAD_MODE;
}
else
@ -5405,6 +5579,9 @@ static HAL_StatusTypeDef I2C_Mem_ISR_DMA(struct __I2C_HandleTypeDef *hi2c, uint3
else if ((I2C_CHECK_FLAG(ITFlags, I2C_FLAG_TCR) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_TCI) != RESET))
{
/* Disable Interrupt related to address step */
I2C_Disable_IRQ(hi2c, I2C_XFER_TX_IT);
/* Enable only Error interrupt */
I2C_Enable_IRQ(hi2c, I2C_XFER_ERROR_IT);
@ -5413,7 +5590,15 @@ static HAL_StatusTypeDef I2C_Mem_ISR_DMA(struct __I2C_HandleTypeDef *hi2c, uint3
/* Prepare the new XferSize to transfer */
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
/* Errata workaround 170323 */
if (I2C_GET_DIR(hi2c) == I2C_DIRECTION_RECEIVE)
{
hi2c->XferSize = 1U;
}
else
{
hi2c->XferSize = MAX_NBYTE_SIZE;
}
I2C_TransferConfig(hi2c, (uint16_t)hi2c->Devaddress, (uint8_t)hi2c->XferSize,
I2C_RELOAD_MODE, I2C_NO_STARTSTOP);
}
@ -5447,6 +5632,12 @@ static HAL_StatusTypeDef I2C_Mem_ISR_DMA(struct __I2C_HandleTypeDef *hi2c, uint3
else if ((I2C_CHECK_FLAG(ITFlags, I2C_FLAG_TC) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_TCI) != RESET))
{
/* Disable Interrupt related to address step */
I2C_Disable_IRQ(hi2c, I2C_XFER_TX_IT);
/* Enable only Error and NACK interrupt for data transfer */
I2C_Enable_IRQ(hi2c, I2C_XFER_ERROR_IT);
if (hi2c->State == HAL_I2C_STATE_BUSY_RX)
{
direction = I2C_GENERATE_START_READ;
@ -5454,7 +5645,15 @@ static HAL_StatusTypeDef I2C_Mem_ISR_DMA(struct __I2C_HandleTypeDef *hi2c, uint3
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
/* Errata workaround 170323 */
if (I2C_GET_DIR(hi2c) == I2C_DIRECTION_RECEIVE)
{
hi2c->XferSize = 1U;
}
else
{
hi2c->XferSize = MAX_NBYTE_SIZE;
}
/* Set NBYTES to write and reload if hi2c->XferCount > MAX_NBYTE_SIZE and generate RESTART */
I2C_TransferConfig(hi2c, (uint16_t)hi2c->Devaddress, (uint8_t)hi2c->XferSize,
@ -5524,9 +5723,8 @@ static HAL_StatusTypeDef I2C_Slave_ISR_DMA(struct __I2C_HandleTypeDef *hi2c, uin
/* Call I2C Slave complete process */
I2C_ITSlaveCplt(hi2c, ITFlags);
}
if ((I2C_CHECK_FLAG(ITFlags, I2C_FLAG_AF) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_NACKI) != RESET))
else if ((I2C_CHECK_FLAG(ITFlags, I2C_FLAG_AF) != RESET) && \
(I2C_CHECK_IT_SOURCE(ITSources, I2C_IT_NACKI) != RESET))
{
/* Check that I2C transfer finished */
/* if yes, normal use case, a NACK is sent by the MASTER when Transfer is finished */
@ -6125,6 +6323,7 @@ static void I2C_ITSlaveCplt(I2C_HandleTypeDef *hi2c, uint32_t ITFlags)
{
uint32_t tmpcr1value = READ_REG(hi2c->Instance->CR1);
uint32_t tmpITFlags = ITFlags;
uint32_t tmpoptions = hi2c->XferOptions;
HAL_I2C_StateTypeDef tmpstate = hi2c->State;
/* Clear STOP Flag */
@ -6141,6 +6340,11 @@ static void I2C_ITSlaveCplt(I2C_HandleTypeDef *hi2c, uint32_t ITFlags)
I2C_Disable_IRQ(hi2c, I2C_XFER_LISTEN_IT | I2C_XFER_RX_IT);
hi2c->PreviousState = I2C_STATE_SLAVE_BUSY_RX;
}
else if (tmpstate == HAL_I2C_STATE_LISTEN)
{
I2C_Disable_IRQ(hi2c, I2C_XFER_LISTEN_IT | I2C_XFER_TX_IT | I2C_XFER_RX_IT);
hi2c->PreviousState = I2C_STATE_NONE;
}
else
{
/* Do nothing */
@ -6207,6 +6411,57 @@ static void I2C_ITSlaveCplt(I2C_HandleTypeDef *hi2c, uint32_t ITFlags)
hi2c->ErrorCode |= HAL_I2C_ERROR_AF;
}
if ((I2C_CHECK_FLAG(tmpITFlags, I2C_FLAG_AF) != RESET) && \
(I2C_CHECK_IT_SOURCE(tmpcr1value, I2C_IT_NACKI) != RESET))
{
/* Check that I2C transfer finished */
/* if yes, normal use case, a NACK is sent by the MASTER when Transfer is finished */
/* Mean XferCount == 0*/
/* So clear Flag NACKF only */
if (hi2c->XferCount == 0U)
{
if ((hi2c->State == HAL_I2C_STATE_LISTEN) && (tmpoptions == I2C_FIRST_AND_LAST_FRAME))
/* Same action must be done for (tmpoptions == I2C_LAST_FRAME) which removed for
Warning[Pa134]: left and right operands are identical */
{
/* Call I2C Listen complete process */
I2C_ITListenCplt(hi2c, tmpITFlags);
}
else if ((hi2c->State == HAL_I2C_STATE_BUSY_TX_LISTEN) && (tmpoptions != I2C_NO_OPTION_FRAME))
{
/* Clear NACK Flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF);
/* Flush TX register */
I2C_Flush_TXDR(hi2c);
/* Last Byte is Transmitted */
/* Call I2C Slave Sequential complete process */
I2C_ITSlaveSeqCplt(hi2c);
}
else
{
/* Clear NACK Flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF);
}
}
else
{
/* if no, error use case, a Non-Acknowledge of last Data is generated by the MASTER*/
/* Clear NACK Flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF);
/* Set ErrorCode corresponding to a Non-Acknowledge */
hi2c->ErrorCode |= HAL_I2C_ERROR_AF;
if ((tmpoptions == I2C_FIRST_FRAME) || (tmpoptions == I2C_NEXT_FRAME))
{
/* Call the corresponding callback to inform upper layer of End of Transfer */
I2C_ITError(hi2c, hi2c->ErrorCode);
}
}
}
hi2c->Mode = HAL_I2C_MODE_NONE;
hi2c->XferISR = NULL;
@ -6624,7 +6879,15 @@ static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma)
/* Set the XferSize to transfer */
if (hi2c->XferCount > MAX_NBYTE_SIZE)
{
hi2c->XferSize = MAX_NBYTE_SIZE;
/* Errata workaround 170323 */
if (I2C_GET_DIR(hi2c) == I2C_DIRECTION_RECEIVE)
{
hi2c->XferSize = 1U;
}
else
{
hi2c->XferSize = MAX_NBYTE_SIZE;
}
}
else
{
@ -6735,6 +6998,12 @@ static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uin
{
while (__HAL_I2C_GET_FLAG(hi2c, Flag) == Status)
{
/* Check if an error is detected */
if (I2C_IsErrorOccurred(hi2c, Timeout, Tickstart) != HAL_OK)
{
return HAL_ERROR;
}
/* Check for the Timeout */
if (Timeout != HAL_MAX_DELAY)
{
@ -6846,16 +7115,18 @@ static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c,
static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout,
uint32_t Tickstart)
{
while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == RESET)
HAL_StatusTypeDef status = HAL_OK;
while ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == RESET) && (status == HAL_OK))
{
/* Check if an error is detected */
if (I2C_IsErrorOccurred(hi2c, Timeout, Tickstart) != HAL_OK)
{
return HAL_ERROR;
status = HAL_ERROR;
}
/* Check if a STOPF is detected */
if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET)
if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) && (status == HAL_OK))
{
/* Check if an RXNE is pending */
/* Store Last receive data if any */
@ -6863,19 +7134,14 @@ static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c,
{
/* Return HAL_OK */
/* The Reading of data from RXDR will be done in caller function */
return HAL_OK;
status = HAL_OK;
}
else
/* Check a no-acknowledge have been detected */
if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET)
{
if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET)
{
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF);
hi2c->ErrorCode = HAL_I2C_ERROR_AF;
}
else
{
hi2c->ErrorCode = HAL_I2C_ERROR_NONE;
}
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF);
hi2c->ErrorCode = HAL_I2C_ERROR_AF;
/* Clear STOP Flag */
__HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF);
@ -6889,12 +7155,16 @@ static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c,
/* Process Unlocked */
__HAL_UNLOCK(hi2c);
return HAL_ERROR;
status = HAL_ERROR;
}
else
{
hi2c->ErrorCode = HAL_I2C_ERROR_NONE;
}
}
/* Check for the Timeout */
if (((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U))
if ((((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U)) && (status == HAL_OK))
{
if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == RESET))
{
@ -6904,11 +7174,11 @@ static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c,
/* Process Unlocked */
__HAL_UNLOCK(hi2c);
return HAL_ERROR;
status = HAL_ERROR;
}
}
}
return HAL_OK;
return status;
}
/**
@ -7103,13 +7373,13 @@ static void I2C_Enable_IRQ(I2C_HandleTypeDef *hi2c, uint16_t InterruptRequest)
if ((InterruptRequest & I2C_XFER_TX_IT) == I2C_XFER_TX_IT)
{
/* Enable ERR, TC, STOP, NACK and RXI interrupts */
/* Enable ERR, TC, STOP, NACK and TXI interrupts */
tmpisr |= I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_TXI;
}
if ((InterruptRequest & I2C_XFER_RX_IT) == I2C_XFER_RX_IT)
{
/* Enable ERR, TC, STOP, NACK and TXI interrupts */
/* Enable ERR, TC, STOP, NACK and RXI interrupts */
tmpisr |= I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_RXI;
}
@ -7136,13 +7406,13 @@ static void I2C_Enable_IRQ(I2C_HandleTypeDef *hi2c, uint16_t InterruptRequest)
if ((InterruptRequest & I2C_XFER_TX_IT) == I2C_XFER_TX_IT)
{
/* Enable ERR, TC, STOP, NACK and RXI interrupts */
/* Enable ERR, TC, STOP, NACK and TXI interrupts */
tmpisr |= I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_TXI;
}
if ((InterruptRequest & I2C_XFER_RX_IT) == I2C_XFER_RX_IT)
{
/* Enable ERR, TC, STOP, NACK and TXI interrupts */
/* Enable ERR, TC, STOP, NACK and RXI interrupts */
tmpisr |= I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_RXI;
}
@ -7158,7 +7428,7 @@ static void I2C_Enable_IRQ(I2C_HandleTypeDef *hi2c, uint16_t InterruptRequest)
tmpisr |= (I2C_IT_STOPI | I2C_IT_TCI);
}
if ((hi2c->XferISR != I2C_Mem_ISR_DMA) && (InterruptRequest == I2C_XFER_RELOAD_IT))
if (InterruptRequest == I2C_XFER_RELOAD_IT)
{
/* Enable TC interrupts */
tmpisr |= I2C_IT_TCI;