/****************************************************************************
Function
IntUart1Handler
Parameters
None.
Returns
None.
Description
Interrupt Handle for the uart. with the PIC32 architecture both send and receive are handled within the same interrupt
Notes
Author
Max Dunne, 2011.11.10
****************************************************************************/
void __ISR(_UART1_VECTOR, ipl4) IntUart1Handler(void)
{
if (mU1RXGetIntFlag()) {
mU1RXClearIntFlag();
writeBack(receiveBufferUart1, (unsigned char) U1RXREG);
}
if (mU1TXGetIntFlag()) {
mU1TXClearIntFlag();
if (!(getLength(transmitBufferUart1) == 0)) {
U1TXREG = readFront(transmitBufferUart1);
}
}
}
//*******************************************************************************************
// UART 1 interrupt handler
// it is set at priority level 2
//*******************************************************************************************
void __ISR(_UART1_VECTOR, ipl2) IntUart1Handler(void)
{
unsigned char theChar;
// Is this an RX interrupt?
if (mU1RXGetIntFlag())
{
theChar = ReadUART1();
store_char(theChar, &rx_buffer1);
// Clear the RX interrupt Flag (must be AFTER the read)
mU1RXClearIntFlag();
}
// We don't care about TX interrupt
if ( mU1TXGetIntFlag() )
{
mU1TXClearIntFlag();
}
}
//*********************************************
//********* UART 1 interrupt handler **********
// Action: Read char received via UART1
//*********************************************
void __ISR(_UART1_VECTOR, ipl2) IntUart1Handler(void)
{
// Is this an RX interrupt?
if(mU1RXGetIntFlag())
{
// Clear the RX interrupt Flag
mU1RXClearIntFlag();
USART_Received_Data = USART_RxData_Reg; // Read received data
fUSART_Receive_Set; // Set flag
//Return Echo:
USART_Received_Data++;
USART_Send_Data(USART_Received_Data);
}
// We don't care about TX interrupt
if ( mU1TXGetIntFlag() )
{
mU1TXClearIntFlag();
}
}
