/*
** ===================================================================
** Method : CsIO1___read_console (component ConsoleIO)
**
** Description :
** __read_console
** This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
int __read_console(__file_handle handle, unsigned char* buffer, size_t * count)
{
size_t CharCnt = 0x00;
(void)handle; /* Parameter is not used, suppress unused argument warning */
for (;*count > 0x00; --*count) {
if ((UART0_PDD_ReadInterruptStatusReg(UART0_BASE_PTR) & UART0_S1_RDRF_MASK) == 0x00) { /* Any data in receiver buffer */
/* Clear error flags */
UART0_PDD_ClearInterruptFlags(UART0_BASE_PTR,0x1FU);
if (CharCnt != 0x00) { /* No, at least one char received? */
break; /* Yes, return received char(s) */
} else { /* Wait until a char is received */
while ((UART0_PDD_ReadInterruptStatusReg(UART0_BASE_PTR) & UART0_S1_RDRF_MASK) == 0x00) {};
}
}
CharCnt++; /* Increase char counter */
/* Save character received by UARTx device into the receive buffer */
*buffer = (unsigned char)UART0_PDD_GetChar8(UART0_BASE_PTR);
/* Stop reading if CR (Ox0D) character is received */
if (*buffer == 0x0DU) { /* New line character (CR) received ? */
*buffer = '\n'; /* Yes, convert LF to '\n' char. */
break; /* Stop loop and return received char(s) */
}
buffer++; /* Increase buffer pointer */
}
*count = CharCnt;
return (__no_io_error);
}
/*
** ===================================================================
** Method : CsIO1__read (component ConsoleIO)
**
** Description :
** _read
** This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
int _read (int fd, const void *buf, size_t count)
{
size_t CharCnt = 0x00;
(void)fd; /* Parameter is not used, suppress unused argument warning */
for (;count > 0x00; --count) {
if ((UART0_PDD_ReadInterruptStatusReg(UART0_BASE_PTR) & UART0_S1_RDRF_MASK) == 0x00) { /* Any data in receiver buffer */
/* Clear error flags */
UART0_PDD_ClearInterruptFlags(UART0_BASE_PTR,0x1FU);
if (CharCnt != 0x00) { /* No, at least one char received? */
break; /* Yes, return received char(s) */
} else { /* Wait until a char is received */
while ((UART0_PDD_ReadInterruptStatusReg(UART0_BASE_PTR) & UART0_S1_RDRF_MASK) == 0x00) {};
}
}
CharCnt++; /* Increase char counter */
/* Save character received by UARTx device into the receive buffer */
*(uint8_t*)buf = (unsigned char)UART0_PDD_GetChar8(UART0_BASE_PTR);
/* Stop reading if CR (Ox0D) character is received */
if (*(uint8_t*)buf == 0x0DU) { /* New line character (CR) received ? */
*(uint8_t*)buf = '\n'; /* Yes, convert LF to '\n' char. */
break; /* Stop loop and return received char(s) */
}
(uint8_t*)buf++; /* Increase buffer pointer */
}
return 1;
}
/*
** ===================================================================
** Method : InterruptRx (component Serial_LDD)
**
** Description :
** The method services the receive interrupt of the selected
** peripheral(s) and eventually invokes the bean's event(s).
** This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
static void InterruptRx(IO1_TDeviceDataPtr DeviceDataPrv)
{
register uint16_t Data; /* Temporary variable for data */
Data = (uint16_t)UART0_PDD_GetChar8(UART0_BASE_PTR); /* Read an 8-bit character from the receiver */
if (DeviceDataPrv->InpDataNumReq != 0x00U) { /* Is the receive block operation pending? */
*(DeviceDataPrv->InpDataPtr++) = (uint8_t)Data; /* Put an 8-bit character to the receive buffer */
DeviceDataPrv->InpRecvDataNum++; /* Increment received char. counter */
if (DeviceDataPrv->InpRecvDataNum == DeviceDataPrv->InpDataNumReq) { /* Is the requested number of characters received? */
DeviceDataPrv->InpDataNumReq = 0x00U; /* If yes then clear number of requested characters to be received. */
}
}
}
/* ===================================================================*/
void IO1_Main(LDD_TDeviceData *DeviceDataPtr)
{
IO1_TDeviceDataPtr DeviceDataPrv = (IO1_TDeviceDataPtr)DeviceDataPtr;
register uint16_t StatReg = UART0_PDD_ReadInterruptStatusReg(UART0_BASE_PTR); /* Read status register */
if (StatReg & (UART0_S1_NF_MASK | UART0_S1_OR_MASK | UART0_S1_FE_MASK | UART0_S1_PF_MASK)) { /* Is any error flag set? */
UART0_PDD_ClearInterruptFlags(UART0_BASE_PTR, (UART0_S1_NF_MASK | UART0_S1_OR_MASK | UART0_S1_FE_MASK | UART0_S1_PF_MASK));
(void)UART0_PDD_GetChar8(UART0_BASE_PTR); /* Dummy read 8-bit character from receiver */
StatReg &= (uint16_t)(~(uint16_t)UART0_S1_RDRF_MASK); /* Clear the receive data flag to discard the errorneous data */
}
if (StatReg & UART0_S1_RDRF_MASK) { /* Is the receiver's interrupt flag set? */
InterruptRx(DeviceDataPrv); /* If yes, then invoke the internal service routine. This routine is inlined. */
}
if (DeviceDataPrv->SerFlag & ENABLED_TX_INT) { /* Is the transmitter interrupt enabled? */
if (StatReg & UART0_S1_TDRE_MASK) { /* Is the transmitter empty? */
InterruptTx(DeviceDataPrv); /* If yes, then invoke the internal service routine. This routine is inlined. */
}
}
}
/* ===================================================================*/
void ASerialLdd1_Main(LDD_TDeviceData *DeviceDataPtr)
{
ASerialLdd1_TDeviceDataPtr DeviceDataPrv = (ASerialLdd1_TDeviceDataPtr)DeviceDataPtr;
register uint32_t StatReg = UART0_PDD_ReadInterruptStatusReg(UART0_BASE_PTR); /* Read status register */
register uint16_t OnErrorFlags = 0U; /* Temporary variable for flags */
register uint8_t OnBreakFlag = 0U; /* Temporary variable flag for OnBreak event */
register uint16_t Data; /* Temporary variable for data */
if (StatReg & (UART0_S1_NF_MASK | UART0_S1_OR_MASK | UART0_S1_FE_MASK | UART0_S1_PF_MASK)) { /* Is any error flag set? */
UART0_PDD_ClearInterruptFlags(UART0_BASE_PTR, (UART0_S1_NF_MASK | UART0_S1_OR_MASK | UART0_S1_FE_MASK | UART0_S1_PF_MASK));
Data = (uint16_t)UART0_PDD_GetChar8(UART0_BASE_PTR); /* Read an 8-bit character from receiver */
if ((StatReg & UART0_S1_FE_MASK) != 0U) { /* Is the framing error detected? */
if (((StatReg & UART0_S1_RDRF_MASK) != 0U) && (Data == 0U)) { /* Is the zero character in the receiver? */
OnBreakFlag++;
DeviceDataPrv->SerFlag |= BREAK_DETECTED; /* If yes then set the flag */
} else {
OnErrorFlags |= LDD_SERIAL_FRAMING_ERROR; /* If yes then set the flag */
}
}
if ((StatReg & UART0_S1_OR_MASK) != 0U) { /* Is the overrun error flag set? */
OnErrorFlags |= LDD_SERIAL_RX_OVERRUN; /* If yes then set the flag */
}
if ((StatReg & UART0_S1_PF_MASK) != 0U) { /* Is the parity error flag set? */
OnErrorFlags |= LDD_SERIAL_PARITY_ERROR; /* If yes then set the flag */
}
if ((StatReg & UART0_S1_NF_MASK) != 0U) { /* Is the noise error flag set? */
OnErrorFlags |= LDD_SERIAL_NOISE_ERROR; /* If yes then set the flag */
}
DeviceDataPrv->ErrFlag |= OnErrorFlags; /* Copy flags status to ErrFlag status variable */
StatReg &= (uint32_t)(~(uint32_t)UART0_S1_RDRF_MASK); /* Clear the receive data flag to discard the errorneous data */
if (OnBreakFlag != 0U) {
ASerialLdd1_OnBreak(DeviceDataPrv->UserDataPtr); /* If yes then invoke user event */
}
}
if (StatReg & UART0_S1_RDRF_MASK) { /* Is the receiver's interrupt flag set? */
InterruptRx(DeviceDataPrv); /* If yes, then invoke the internal service routine. This routine is inlined. */
}
if (DeviceDataPrv->SerFlag & ENABLED_TX_INT) { /* Is the transmitter interrupt enabled? */
if (StatReg & UART0_S1_TDRE_MASK) { /* Is the transmitter empty? */
InterruptTx(DeviceDataPrv); /* If yes, then invoke the internal service routine. This routine is inlined. */
}
}
}
/*
** ===================================================================
** Method : CsIO1_fgetc (component ConsoleIO)
**
** Description :
** fgetc
** This method is internal. It is used by Processor Expert only.
** ===================================================================
*/
int fgetc(FILE *f) {
while ((UART0_PDD_ReadInterruptStatusReg(UART0_BASE_PTR) & UART0_S1_RDRF_MASK) == 0) {};
/* Save a character of the UARTx device into the receive buffer */
return (int)UART0_PDD_GetChar8(UART0_BASE_PTR);
}
