// Write a string over the serial port
int SendString(int id, const char *string)
{
UART_MODULE uartX;
switch(id)
{
case 1:
uartX = UART1;
break;
case 2:
uartX = UART2;
break;
case 3:
uartX = UART3;
break;
case 4:
uartX = UART4;
break;
default:
uartX = UART1;
}
while(*string != '\0')
{
while(!UARTTransmitterIsReady(uartX));
UARTSendDataByte(uartX, (char) *string);
string++;
while(!UARTTransmissionHasCompleted(uartX));
}
return 1;
}
void hal_uart_send_byte(hal_uart_port port, uint8_t data){
assert(port >= HAL_UART_PORT_1 && port <= HAL_UART_NUMBER_OF_PORTS );
UART_MODULE uart = logic_uart2phy_uart(port);
/* block until transmiter can send data */
while(!UARTTransmitterIsReady(uart));
UARTSendDataByte(uart, data);
}
//********************************
//********************************
//********** INTERRUPTS **********
//********************************
//********************************
void __ISR(_UART_1_VECTOR, ipl5) Uart1InterruptHandler (void) //(ipl# must match the priority level assigned to the irq where its enabled)
{
static BYTE data;
static BYTE status;
static WORD tx_checksum;
static WORD rx_checksum;
static WORD checksum_recevied;
static WORD w_temp;
static WORD rx_length_received;
Nop();
if (
(INTGetEnable(INT_SOURCE_UART_TX(COMMS_UART_NAME))) &&
(INTGetFlag(INT_SOURCE_UART_TX(COMMS_UART_NAME)))
)
{
//----------------------------------
//----------------------------------
//---------- TX INTERRUPT ----------
//----------------------------------
//----------------------------------
while (UARTTransmitterIsReady(COMMS_UART_NAME))
{
//if (comms_tx_byte == 0) //Done in start tx function
//{
// //----- SEND BYTE 0 -----
// comms_tx_chksum = (WORD)comms_tx_buffer[0];
// COMMS_TX_REG = (WORD)comms_tx_buffer[comms_tx_byte++];
//}
if (comms_tx_byte < comms_tx_no_of_bytes_to_tx)
{
//----- SEND NEXT DATA BYTE -----
comms_tx_chksum += (WORD)comms_tx_buffer[comms_tx_byte]; //Add to checksum
UARTSendDataByte(COMMS_UART_NAME, comms_tx_buffer[comms_tx_byte++]);
}
else if (comms_tx_byte == comms_tx_no_of_bytes_to_tx)
{
//----- SEND CHECKSUM HIGH -----
UARTSendDataByte(COMMS_UART_NAME, (comms_tx_chksum >> 8));
comms_tx_byte++;
}
else if (comms_tx_byte == (comms_tx_no_of_bytes_to_tx + 1))
{
//----- SEND CHECKSUM LOW -----
UARTSendDataByte(COMMS_UART_NAME, (comms_tx_chksum & 0x00ff));
comms_tx_byte++;
//----- ALL BYTES SENT -----
comms_tx_byte = 0; //Reset tx byte counter (indicates we're done)
comms_tx_no_of_bytes_to_tx = 0;
//DISABLE TX IRQ
INTEnable(INT_SOURCE_UART_TX(COMMS_UART_NAME), INT_DISABLED);
}
} //while (UARTTransmitterIsReady(COMMS_UART_NAME))
void PutCharacterBluetooth(const char character)
{
while(!UARTTransmitterIsReady(UART_MODULE_ID2));
UARTSendDataByte(UART_MODULE_ID2, character);
while(!UARTTransmissionHasCompleted(UART_MODULE_ID2));
}
void initUART2(){
UARTConfigure(UART2, UART_ENABLE_PINS_TX_RX_ONLY);//configure uart for rx and tx
UARTSetFifoMode(UART2, UART_INTERRUPT_ON_RX_NOT_EMPTY);//configure for interrupts
UARTSetLineControl(UART2, UART_DATA_SIZE_8_BITS | UART_PARITY_NONE | UART_STOP_BITS_1);//set uart line options
UARTSetDataRate(UART2, getPBusClock(), UART_BAUD);//data rate 9600 baud and pbus 10MHz
UARTEnable(UART2, UART_PERIPHERAL | UART_RX | UART_TX | UART_ENABLE); //enable the uart for tx rx
while(!UARTTransmitterIsReady(UART2));
}
void sendString(char* string){
int i = 0;
while(string[i]){
while(!UARTTransmitterIsReady(UART1));
UARTSendDataByte(UART1, string[i]);
i++;
}
}
// Write a string over the serial port
void WriteString(UART_MODULE id, const char *string) {
while(*string != '\0') {
while(!UARTTransmitterIsReady(id));
UARTSendDataByte(id, *string);
string++;
while(!UARTTransmissionHasCompleted(id));
}
}
void tx(const void *src, size_t n) {
size_t ui;
for (ui = 0; ui < n; ++ui) {
WDT::clear();
while (!UARTTransmitterIsReady(module)) Nop();
UARTSendDataByte(module, ((const BYTE *)src)[ui]);
}
// while (!UARTTransmissionHasCompleted(module)) Nop(); // TODO: async
}
/*
* Function Name: void UARTiWriteBinaryData(void)
* Description: Writes a block of binary data to he selected uart.
* Initiator: Keith Suhoza
* Date: 01/23/2012
*/
void UARTiWriteBinaryData(unsigned char *data_block, int length, UART_MODULE iUART)
{
while( length)
{
while(!UARTTransmitterIsReady(iUART));
UARTSendDataByte(iUART, *data_block++);
while(!UARTTransmissionHasCompleted(iUART));
length--;
}
}
void WriteString(const char *string)
{
while(*string != '\0')
{
while(!UARTTransmitterIsReady(UART_CMD_MODULE_ID));
UARTSendDataByte(UART_CMD_MODULE_ID, *string);
string++;
while(!UARTTransmissionHasCompleted(UART_CMD_MODULE_ID));
}
}
// *****************************************************************************
// void SendDataBuffer(const UARTx, const char *buffer)
// Envoie sur le port serie la chaine de caractère
// @param : UARTx : choix du port
// UART1,UART2,UART3,UART4,UART5,UART6
// buffer : chaine de caractère
// *****************************************************************************
void SendDataBuffer(const UARTx, const char *buffer)
{
while(*buffer != '\n')
{
while(!UARTTransmitterIsReady(UARTx));
UARTSendDataByte(UARTx, *buffer);
buffer++;
}
while(!UARTTransmissionHasCompleted(UARTx));
}
void uart_print(BYTE *string)
{
while(!string)
{
while(!UARTTransmitterIsReady(UART1));
UARTSendDataByte(UART1, *string);
string++;
while(!UARTTransmissionHasCompleted(UART1));
}
}
void PutCharacter(const char character)
{
while(!UARTTransmitterIsReady(UART2))
;
UARTSendDataByte(UART2, character);
while(!UARTTransmissionHasCompleted(UART2))
;
}
void serial_transmit(void) {
if (uart_tx_buf_written < uart_tx_buf_writing) {
if (UARTTransmitterIsReady(UART1)) { // If the transmitter can handle another byte
UARTSendDataByte(UART1, uart_tx_buf[uart_tx_buf_written++]); // Send a single byte from the output buffer
uart_tx_buf_size--; // One less byte in the buffer
}
} else {
// No data in the buffer, so reset the index
uart_tx_buf_written = 0;
uart_tx_buf_writing = 0;
}
}
void UARTSendString(UART_MODULE uart, const char *string)
{
while(*string)
{
if (UARTTransmitterIsReady(uart))//Case where it doesn't matter whether if or while because location is only incremented when the byte is sent
{
UARTSendDataByte(uart, *string);
while(!UARTTransmissionHasCompleted(uart)){}
string++; //increment through the string
}
}
}
void serialPutc(unsigned char serialPortIndex, char c) {
UART_MODULE uart = getUartModule(serialPortIndex);
while (!UARTTransmitterIsReady(uart)) {
}
UARTSendDataByte(uart, c);
while (!UARTTransmissionHasCompleted(uart)) {
}
}
/*
* Function Name: void UARTiWriteString(void)
* Description: Writes a full string out the selected uart.
* Initiator: Robert Scaccia
* Date: 10/19/2011
*/
void UARTiWriteString(const char *ccpString, UART_MODULE iUART)
{
static int ready_high_water = 0, completed_high_water = 0;
int ready_count = 0, completed_count = 0;
while(*ccpString != '\0')
{
while(!UARTTransmitterIsReady(iUART)) ready_count++;
UARTSendDataByte(iUART, *ccpString);
ccpString++;
while(!UARTTransmissionHasCompleted(iUART)) completed_count++;
}
if(ready_count > ready_high_water) ready_high_water = ready_count;
if(completed_count > completed_high_water) completed_high_water = completed_count;
}
// *****************************************************************************
// void UARTTxBuffer(char *buffer, UINT32 size)
// *****************************************************************************
void SendDataBuffer(const char *buffer, UINT32 size)
{
while(size)
{
while(!UARTTransmitterIsReady(UART2))
;
UARTSendDataByte(UART2, *buffer);
buffer++;
size--;
}
while(!UARTTransmissionHasCompleted(UART2))
;
}
void WriteStringBluetooth2(const char *string)
{
int i=0;
while(i<17)
{
while(!UARTTransmitterIsReady(UART_MODULE_ID2));
UARTSendDataByte(UART_MODULE_ID2, *string);
string++;
i++;
while(!UARTTransmissionHasCompleted(UART_MODULE_ID2));
}
}
int SendCharacter(int id, const char character)
{
UART_MODULE uartX;
switch(id)
{
case 1:
uartX = UART1;
break;
case 2:
uartX = UART2;
break;
case 3:
uartX = UART3;
break;
case 4:
uartX = UART4;
break;
default:
uartX = UART1;
}
while(!UARTTransmitterIsReady(uartX));
UARTSendDataByte(uartX, character);
while(!UARTTransmissionHasCompleted(uartX));
}
void uart_putc(BYTE ch)
{
while(!UARTTransmitterIsReady(UART1));
UARTSendDataByte(UART1, ch);
}
// *****************************************************************************
// Send a character to the Console serial port
// *****************************************************************************
void putConsole(char c)
{
while (!UARTTransmitterIsReady(UART_CONSOLE));
UARTSendDataByte(UART_CONSOLE, c);
}
/*******************************************************************************
* ISR: UART 2 Interrupt.
*
* DESCRIPTIONS:
* Interrupt vector for UART 2.
*
*******************************************************************************/
void __ISR(_UART_2_VECTOR, IPL7AUTO) UART2Interrupt(void)
{
unsigned char ucReceivedData;
xSystemState.bBluetoothBusy = 1;
// Rx interrupt.
if (INTGetEnable(INT_U2RX) && INTGetFlag(INT_U2RX)) {
INTClearFlag(INT_U2RX);
// Read out all data available.
while (UARTReceivedDataIsAvailable(UART2)) {
// Read the received data.
ucReceivedData = UARTGetDataByte(UART2);
// Make sure there is empty space in the buffer.
if ((prv_xRx.uiBufferSize - prv_xRx.uiDataCount) > 0) {
// Copy the data to the buffer.
prv_xRx.pucBuffer[prv_xRx.uiWritePt] = ucReceivedData;
// Increase the write pointer and data count.
prv_vIncPointer(&prv_xRx.uiWritePt, prv_xRx.uiBufferSize);
prv_xRx.uiDataCount++;
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
xSemaphoreGiveFromISR(xBluetoothRxSemaphore, &xHigherPriorityTaskWoken);
}
else {
xSystemError.bBluetoothError = 1;
}
}
}
// Tx interrupt.
if (INTGetEnable(INT_U2TX) && INTGetFlag(INT_U2TX)) {
// Loop until the Tx buffer is fully filled.
while (UARTTransmitterIsReady(UART2)) {
// If there is data to transmit...
if (prv_xTx.uiDataCount > 0) {
// Shift in the data to the transmit buffer.
UARTSendDataByte(UART2, prv_xTx.pucBuffer[prv_xTx.uiReadPt]);
// Increase the read pointer and decrease the data count.
prv_vIncPointer(&prv_xTx.uiReadPt, prv_xTx.uiBufferSize);
prv_xTx.uiDataCount--;
}
// Else, disable the transmit interrupt.
else {
INTEnable(INT_U2TX, INT_DISABLED);
break;
}
}
}
// Error Interrupt.
if (INTGetEnable(INT_U2E) && INTGetFlag(INT_U2E)) {
INTClearFlag(INT_U2E);
// Discard all data available.
while (UARTReceivedDataIsAvailable(UART2)) {
// Read the received data.
ucReceivedData = UARTGetDataByte(UART2);
}
// Clear the overrun flag.
if (UARTGetLineStatus(UART2) & UART_OVERRUN_ERROR) {
U2STAbits.OERR = 0;
}
xSystemError.bBluetoothError = 1;
}
}
// Put a character over the serial port, called by WriteString
void PutCharacter(UART_MODULE id, const char character) {
while(!UARTTransmitterIsReady(id));
UARTSendDataByte(id, character);
while(!UARTTransmissionHasCompleted(id));
}
/*******************************************************************************
Function:
void ConsoleUartIntHandler(void)
Remarks:
UART 1 interrupt handler is set at priority level 2 with software context saving
*/
void ConsoleUartIntHandler(void)
{
unsigned char byteReceived;
// Is this an RX interrupt?
if (INTGetFlag(INT_SOURCE_UART_RX(UART_CONSOLE)))
{
while (UARTReceivedDataIsAvailable(UART_CONSOLE) != 0)
{
byteReceived = UARTGetDataByte(UART_CONSOLE);
//Console Interrupt - In Self Test Mode
if(self_TESTMode == TRUE)
{
ConsoleMsgCallback_selfTest();
}
//Console Interrupt - RN1723 Command Mode
else if(RN_UartCmdMode == 1)
{
//Exit console mode if 'ESC'
if(byteReceived == ESC)
{
RN_UartCmdMode = FALSE;
RN_DATA_MODE();
memset(consoleMsg, '\0', sizeof(consoleMsg));
}
else
{
while(!UARTTransmitterIsReady(UART_WIFLY));
UARTSendDataByte(UART_WIFLY, byteReceived);
}
}
else
{
PIC32_ConsoleMode = TRUE;
putConsole(byteReceived);
if(byteReceived == CR)
{
PrintConsoleMenu();
}
else if(byteReceived == LF)
{
//Ignore Line Feed
}
else if(byteReceived == BACKSPACE)
{
consoleMsg[(strlen(consoleMsg)-1)] = '\0';
}
else if(byteReceived == ESC)
{
PIC32_ConsoleMode = FALSE;
memset(consoleMsg, '\0', sizeof(consoleMsg));
}
else
{
consoleMsg[strlen(consoleMsg)] = byteReceived;
}
}
}
// Clear the RX interrupt Flag
INTClearFlag(INT_SOURCE_UART_RX(UART_CONSOLE));
}
// We don't care about the TX interrupt
if (INTGetFlag(INT_SOURCE_UART_TX(UART_CONSOLE)) )
{
INTClearFlag(INT_SOURCE_UART_TX(UART_CONSOLE));
}
}
void hal_uart_interrupt_handler(hal_uart_port port) {
UART_MODULE uart = logic_uart2phy_uart(port);
assert(port >= HAL_UART_PORT_1 && port <= HAL_UART_NUMBER_OF_PORTS );
/* get the txbuffer to send */
struct txbuffer_struct *buffer = get_tx_buffer(port);
/* If the source of interrupt is the TXInterrupt, start
* transmitting the data in output queue. */
if (INTGetFlag(INT_SOURCE_UART_TX(uart))) {
/* Clear interrupt to prevent reentry */
INTClearFlag(INT_SOURCE_UART_TX(uart));
/* if queue is not empty, send tx data to uart while available. */
while (buffer->nbytes > 0) {
if (UARTTransmitterIsReady(uart)) {
UARTSendDataByte(uart, buffer->buffer[buffer->counter++]);
/* decrement buffer count after byte was transmitted */
buffer->nbytes --;
} else {
break;
}
}
/* if queue is empty, disable tx interrupt. */
if (buffer->nbytes <= 0) {
INTEnable(INT_SOURCE_UART_TX(uart), INT_DISABLED);
if(on_data_sent[port]!=NULL)
on_data_sent[port](port);
}
}
/* detect uart rx errors */
if(INTGetFlag(INT_SOURCE_UART_ERROR(uart))){
uint8_t in_byte = 0x00;
hal_uart_error error = HAL_UART_ERR_NONE;
volatile UART_LINE_STATUS lineStatus = UARTGetLineStatus(uart);
/* detect framming error. (break)*/
/* Framing error are only valid if data is available in buffer. */
if(UART_FRAMING_ERROR & lineStatus){
/* trigger an on_data_received_callback */
error = HAL_UART_ERR_FRAMMING;
}
/* detect uart overrun errors. */
if(UART_OVERRUN_ERROR & lineStatus)
{
error = HAL_UART_ERR_OVERRUN;
/* TODO: Not sure what to do if buffer overruns (it means data
* arrives faster than we are able to process. So just
* clear error and continue with our lives as nothing happened.
*/
UARTClearOverrunError(uart);
}
if(UART_PARITY_ERROR & lineStatus){
error = HAL_UART_ERR_PARITY;
}
if(UARTReceivedDataIsAvailable(uart)){
in_byte = UARTGetDataByte(uart);
}
if(on_data_received[port]!=NULL)
on_data_received[port](port,in_byte,error);
/* clear the error flag. */
INTClearFlag(INT_SOURCE_UART_ERROR(uart));
}
/* If receive interrupt was triggered, feed user apps with data. */
if (INTGetFlag(INT_SOURCE_UART_RX(uart))) {
/* Clear interrupt to prevent reentry */
INTClearFlag(INT_SOURCE_UART_RX(uart));
/* Copy the received data into input buffer */
while (UARTReceivedDataIsAvailable(uart)) {
uint8_t c = UARTGetDataByte(uart);
if(on_data_received[port]!=NULL)
on_data_received[port](port, c,HAL_UART_ERR_NONE);
}
}
}
void __ISR(_UART_2_VECTOR, IPL5SOFT) UART2_isr(void)
{
uint8_t ErrFiFoFull = 0;
uint8_t freeSize, TXsize;
int8_t c;
uint8_t i_cts = 0;
BOOL TxPossible;
UART_LINE_STATUS lineStatus;
// Is this an RX interrupt ?
if ( INTGetFlag(INT_U2RX) && INTGetEnable(INT_U2RX) ) {
// oui Test si erreur comm
lineStatus = UARTGetLineStatus(UART2);
if ( (lineStatus & (UART_PARITY_ERROR | UART_FRAMING_ERROR |
UART_OVERRUN_ERROR)) == 0) {
// transfert dans le fifo de tous les caractères recu
while (UARTReceivedDataIsAvailable(UART2))
{
c = UARTGetDataByte(UART2);
PutCharInFifo ( &descrFifoRX, c);
}
INTClearFlag(INT_U2RX); // buffer is empty, clear interrupt flag
} else {
UART2ClearAllErrors(); // Macro C32
}
freeSize = GetWriteSpace ( &descrFifoRX);
if (freeSize <= 6 ) // a cause d'un int pour 6 char
{
// Demande de ne plus émettre
//RS232_RTS = 1;
if (freeSize == 0) {
ErrFiFoFull = 1; // pour debugging si probème ctrl flux
}
}
} // end if RX
// Is this an TX interrupt ?
if(INTGetFlag(INT_U2TX) && INTGetEnable(INT_U2TX) ) {
TXsize = GetReadSize (&descrFifoTX);
// i_cts = input(RS232_CTS);
// On vérifie 3 conditions :
// Si CTS = 0 (autorisation d'émettre)
// Si il y a un caratères à émettre
// Si le txreg est bien disponible
//i_cts = RS232_CTS;
TxPossible = UARTTransmitterIsReady(UART2);
//if ( (i_cts == 0) && ( TXsize > 0 ) && TxPossible ) {
if ( ( TXsize > 0 ) && TxPossible ) {
do {
GetCharFromFifo(&descrFifoTX, &c);
UARTSendDataByte(UART2, c);
//i_cts = RS232_CTS;
TXsize = GetReadSize (&descrFifoTX);
TxPossible = UARTTransmitterIsReady(UART2);
//} while ( (i_cts == 0) && ( TXsize > 0 ) && TxPossible );
} while ( ( TXsize > 0 ) && TxPossible );
// Clear the TX interrupt Flag (Seulement aprés TX)
INTClearFlag(INT_U2TX);
} else {
// disable TX interrupt
INTEnable(INT_U2TX, INT_DISABLED);
}
}
} // UART_isr
void __ISR(_UART_6_VECTOR, U6_INTERRUPT_PRIORITY) Uart6InterruptHandler(void)
{
UINT8 i
,iMax // Read/write max 8 bytes/interrupt
,data // used in UartFifoWrite/Read functions
;
if ( INTGetFlag ( INT_SOURCE_UART_ERROR(UART6)) )
{
LED_ERROR_ON;
INTClearFlag(INT_SOURCE_UART_ERROR(UART6));
}
// TX interrupt handling
//===========================================================
if ( INTGetEnable ( INT_SOURCE_UART_TX(UART6) ) ) // If TX interrupts enabled
{
if ( INTGetFlag ( INT_SOURCE_UART_TX(UART6) ) ) // If TX interrupt occured
{
if ( UARTTransmitterIsReady(UART6) && !Uart.Var.uartTxFifo[UART6].bufEmpty ) // If TX buffer is ready to receive data and the user's TX buffer is not empty
{
if (Uart.Var.uartTxFifo[UART6].lineBuffer.length < 8) // Write max 8 bytes/interrupt
{
iMax = Uart.Var.uartTxFifo[UART6].lineBuffer.length;
}
else
{
iMax = 8;
}
for (i = 0; i < iMax; i++)
{
UartFifoRead((void *) &Uart.Var.uartTxFifo[UART6], &data); // Copy from user
U6TXREG = data; // Put data in PIC32's TX buffer
}
}
if (Uart.Var.uartTxFifo[UART6].bufEmpty) // If User's TX buffer is empty
{
Uart.DisableTxInterrupts(UART6); // Disable TX interrupts
}
INTClearFlag(INT_SOURCE_UART_TX(UART6)); // Clear the TX interrupt Flag
}
}
//===========================================================
// RX interrupt handling
//===========================================================
if ( INTGetEnable ( INT_SOURCE_UART_RX(UART6) ) ) // If RX interrupts enabled
{
if ( INTGetFlag ( INT_SOURCE_UART_RX(UART6) ) ) // If RX interrupt occured
{
i = 0;
iMax = 8; // Read max 8 bytes/interrupt
while ( UARTReceivedDataIsAvailable(UART6) // While RX data available
&& !Uart.Var.uartRxFifo[UART6].bufFull // and user's RX buffer not full
&& (i < iMax) // and under 8 bytes read
)
{ // while ^
data = UARTGetDataByte(UART6); // Get data for PIC32's RX FIFO buffer and copy it to user (next line)
if ( UartFifoWrite((void *) &Uart.Var.uartRxFifo[UART6], &data) < 0 ) // If copy to user did not work
{
break; // Exit while loop
}
i++;
} // end while
if (!Uart.Var.uartRxFifo[UART6].bufEmpty) // If there is data in the user's RX buffer
{
Uart.Var.oIsRxDataAvailable[UART6] = 1; // Set according flag
}
INTClearFlag (INT_SOURCE_UART_RX(UART6) ); // Clear the RX interrupt Flag
}
}
//===========================================================
}
