/*
** ===================================================================
** Method : SM1_SMasterLdd1_OnBlockSent (component SynchroMaster)
**
** Description :
** This event is called after the last character from the output
** buffer is moved to the transmitter. This event is available
** only if the SendBlock method is enabled. The event services
** the event of the inherited component and eventually invokes
** other events.
** This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
void SMasterLdd1_OnBlockSent(LDD_TUserData *UserDataPtr)
{
register byte Flags = 0U; /* Temporary variable for flags */
(void)UserDataPtr; /* Parameter is not used, suppress unused argument warning */
if ((SerFlag & RUNINT_FROM_TX) != 0U) { /* Is flag "running int from TX" set? */
Flags |= ON_TX_CHAR ; /* Set the OnTXChar flag */
}
OutIndexR++;
if (OutIndexR >= SM1_OUT_BUF_SIZE) { /* Is the index out of the transmit buffer? */
OutIndexR = 0x00U; /* Set index on the first item into the transmit buffer */
}
SM1_OutLen--; /* Decrease number of chars in the transmit buffer */
if (SM1_OutLen != 0U) { /* Is number of bytes in the transmit buffer greater then 0? */
SerFlag |= RUNINT_FROM_TX; /* Set flag "running int from TX"? */
(void)SMasterLdd1_SendBlock(SMasterLdd1_DeviceDataPtr, (LDD_TData *)&OutBuffer[OutIndexR], 1U); /* Send one data byte */
} else {
SerFlag &= (byte)~(RUNINT_FROM_TX | FULL_TX); /* Clear "running int from TX" and "full TX buff" flags */
if (!(OnFreeTxBufSemaphore)) { /* Is the OnFreeTXBuf flag blocked ?*/
Flags |= ON_FREE_TX; /* If not, set the OnFreeTxBuf flag */
}
}
if ((Flags & ON_TX_CHAR) != 0U) { /* Is flag "OnTxChar" set? */
SM1_OnTxChar(); /* Invoke user event */
}
if ((Flags & ON_FREE_TX) != 0U) { /* Is flag "OnFreeTxBuf" set? */
SM1_OnFreeTxBuf(); /* Invoke user event */
}
}
/*
** ===================================================================
** Method : SM1_SendBlock (component SynchroMaster)
** Description :
** Send a block of characters to the channel. This method is
** only available if a non-zero length of output buffer is
** defined.
** Parameters :
** NAME - DESCRIPTION
** * Ptr - Pointer to the block of data to send
** Size - Size of the block
** * Snd - Pointer to number of data that are sent
** (moved to buffer)
** Returns :
** --- - Error code, possible codes:
** ERR_OK - OK
** ERR_SPEED - This device does not work in
** the active speed mode
** ERR_DISABLED - Device is disabled (only if
** output DMA is supported and enabled)
** ERR_TXFULL - It was not possible to send
** requested number of bytes
** ===================================================================
*/
byte SM1_SendBlock(SM1_TComData *Ptr, word Size, word *Snd)
{
word count = 0x00U; /* Number of sent chars */
SM1_TComData *TmpPtr = Ptr; /* Temporary output buffer pointer */
bool tmpOnFreeTxBufSemaphore = OnFreeTxBufSemaphore; /* Local copy of OnFreeTxBufSemaphore state */
while((count < Size) && (SM1_OutLen < SM1_OUT_BUF_SIZE)) { /* While there is some char desired to send left and output buffer is not full do */
EnterCritical(); /* Enter the critical section */
OnFreeTxBufSemaphore = TRUE; /* Set the OnFreeTxBufSemaphore to block OnFreeTxBuf calling */
SM1_OutLen++; /* Increase number of bytes in the transmit buffer */
OutBuffer[OutIndexW++] = *TmpPtr++; /* Store char to buffer */
if (OutIndexW >= SM1_OUT_BUF_SIZE) { /* Is the index out of the transmit buffer? */
OutIndexW = 0x00U; /* Set index to the first item in the transmit buffer */
}
count++; /* Increase the count of sent data */
if ((count == Size) || (SM1_OutLen == SM1_OUT_BUF_SIZE)) { /* Is the last desired char put into buffer or the buffer is full? */
if (!tmpOnFreeTxBufSemaphore) { /* Was the OnFreeTxBufSemaphore clear before enter the method? */
OnFreeTxBufSemaphore = FALSE; /* If yes then clear the OnFreeTxBufSemaphore */
}
}
if ((EnUser) && ((SerFlag & RUNINT_FROM_TX) == 0U)) { /* Is the device enabled by user? */
SerFlag |= RUNINT_FROM_TX; /* Set flag "running int from TX"? */
(void)SMasterLdd1_SendBlock(SMasterLdd1_DeviceDataPtr, (LDD_TData *)&OutBuffer[OutIndexR], 1U); /* Send one data byte */
}
ExitCritical(); /* Exit the critical section */
}
*Snd = count; /* Return number of sent chars */
if (count != Size) { /* Is the number of sent chars less then desired number of chars */
return ERR_TXFULL; /* If yes then error */
}
return ERR_OK; /* OK */
}
/*
** ===================================================================
** Method : SM1_SendBlock (component SynchroMaster)
** Description :
** Send a block of characters to the channel. This method is
** only available if a non-zero length of output buffer is
** defined.
** Parameters :
** NAME - DESCRIPTION
** * Ptr - Pointer to the block of data to send
** Size - Size of the block
** * Snd - Pointer to number of data that are sent
** (moved to buffer)
** Returns :
** --- - Error code, possible codes:
** ERR_OK - OK
** ERR_SPEED - This device does not work in
** the active speed mode
** ERR_DISABLED - Device is disabled (only if
** output DMA is supported and enabled)
** ERR_TXFULL - It was not possible to send
** requested number of bytes
** ===================================================================
*/
byte SM1_SendBlock(SM1_TComData *Ptr, word Size, word *Snd)
{
word count = 0x00U; /* Number of sent chars */
SM1_TComData *TmpPtr = Ptr; /* Temporary output buffer pointer */
while((count < Size) && (SM1_OutLen < SM1_OUT_BUF_SIZE)) { /* While there is some char desired to send left and output buffer is not full do */
EnterCritical(); /* Enter the critical section */
SM1_OutLen++; /* Increase number of bytes in the transmit buffer */
OutBuffer[OutIndexW++] = *TmpPtr++; /* Store char to buffer */
if (OutIndexW >= SM1_OUT_BUF_SIZE) { /* Is the index out of the transmit buffer? */
OutIndexW = 0x00U; /* Set index to the first item in the transmit buffer */
}
count++; /* Increase the count of sent data */
if ((SerFlag & RUNINT_FROM_TX) == 0U) {
SerFlag |= RUNINT_FROM_TX; /* Set flag "running int from TX"? */
(void)SMasterLdd1_SendBlock(SMasterLdd1_DeviceDataPtr, (LDD_TData *)&OutBuffer[OutIndexR], 1U); /* Send one data byte */
}
ExitCritical(); /* Exit the critical section */
}
*Snd = count; /* Return number of sent chars */
if (count != Size) { /* Is the number of sent chars less then desired number of chars */
return ERR_TXFULL; /* If yes then error */
}
return ERR_OK; /* OK */
}
/*
** ===================================================================
** Method : SM1_SMasterLdd1_OnBlockSent (component SynchroMaster)
**
** Description :
** This event is called after the last character from the output
** buffer is moved to the transmitter. This event is available
** only if the SendBlock method is enabled. The event services
** the event of the inherited component and eventually invokes
** other events.
** This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
void SMasterLdd1_OnBlockSent(LDD_TUserData *UserDataPtr)
{
(void)UserDataPtr; /* Parameter is not used, suppress unused argument warning */
OutIndexR++;
if (OutIndexR >= SM1_OUT_BUF_SIZE) { /* Is the index out of the transmit buffer? */
OutIndexR = 0x00U; /* Set index on the first item into the transmit buffer */
}
SM1_OutLen--; /* Decrease number of chars in the transmit buffer */
if (SM1_OutLen != 0U) { /* Is number of bytes in the transmit buffer greater then 0? */
SerFlag |= RUNINT_FROM_TX; /* Set flag "running int from TX"? */
(void)SMasterLdd1_SendBlock(SMasterLdd1_DeviceDataPtr, (LDD_TData *)&OutBuffer[OutIndexR], 1U); /* Send one data byte */
} else {
SerFlag &= (byte)~(RUNINT_FROM_TX | FULL_TX); /* Clear "running int from TX" and "full TX buff" flags */
}
}
/*
** ===================================================================
** Method : SM1_SendChar (component SynchroMaster)
** Description :
** Sends one character to the channel.
** Parameters :
** NAME - DESCRIPTION
** Chr - Character to send
** Returns :
** --- - Error code, possible codes:
** ERR_OK - OK
** ERR_SPEED - This device does not work in
** the active speed mode
** ERR_DISABLED - Device is disabled (only if
** output DMA is supported and enabled)
** ERR_TXFULL - Transmitter is full
** ===================================================================
*/
byte SM1_SendChar(SM1_TComData Chr)
{
if (SM1_OutLen == SM1_OUT_BUF_SIZE) { /* Is number of chars in buffer the same as the size of transmit buffer? */
return ERR_TXFULL; /* If yes then error */
}
EnterCritical(); /* Disable global interrupts */
SM1_OutLen++; /* Increase number of bytes in the transmit buffer */
OutBuffer[OutIndexW++] = Chr; /* Store char to buffer */
if (OutIndexW >= SM1_OUT_BUF_SIZE) { /* Is the index out of the transmit buffer? */
OutIndexW = 0x00U; /* Set index to the first item in the transmit buffer */
}
if ((EnUser) && ((SerFlag & RUNINT_FROM_TX) == 0U)) { /* Is the device enabled by user? */
SerFlag |= RUNINT_FROM_TX; /* Set flag "running int from TX"? */
(void)SMasterLdd1_SendBlock(SMasterLdd1_DeviceDataPtr, (LDD_TData *)&OutBuffer[OutIndexR], 1U); /* Send one data byte */
}
ExitCritical(); /* Enable global interrupts */
return ERR_OK;
}
/*
** ===================================================================
** Method : HWEnDi (component SynchroMaster)
**
** Description :
** Enables or disables the peripheral(s) associated with the
** component. The method is called automatically as a part of the
** Enable and Disable methods and several internal methods.
** This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
static void HWEnDi(void)
{
if (EnUser) { /* Enable device? */
(void)SMasterLdd1_Enable(SMasterLdd1_DeviceDataPtr); /* Enable SPI device */
if (SetAttributeCmd) { /* Is request change SPI attribute in enable code? */
SetAttributeCmd = FALSE; /* Disable settings SPI attribute in enable code */
SMasterLdd1_SelectConfiguration(SMasterLdd1_DeviceDataPtr, 0x00U, SpiClockfeatures); /* Set SPI attribute index. */
}
(void)SMasterLdd1_ReceiveBlock(SMasterLdd1_DeviceDataPtr, &BufferRead, 1U); /* Receive one data byte */
if ((SM1_OutLen) != 0U) { /* Is number of bytes in the transmit buffer greater then 0? */
SerFlag |= RUNINT_FROM_TX; /* Set flag "running int from TX"? */
(void)SMasterLdd1_SendBlock(SMasterLdd1_DeviceDataPtr, (LDD_TData *)&OutBuffer[OutIndexR], 1U); /* Send one data byte */
}
} else {
SerFlag &= (byte)~(RUNINT_FROM_TX); /* Clear RUNINT_FROM_TX flag */
(void)SMasterLdd1_Disable(SMasterLdd1_DeviceDataPtr); /* Disable device */
}
}
