void main(){
UART_1_Start();
/* choose when we receive interrupts from tx and rx */
UART_1_SetTxInterruptMode(UART_1_TX_STS_COMPLETE);
UART_1_SetRxInterruptMode(UART_1_RX_STS_FIFO_NOTEMPTY);
CyGlobalIntEnable;
UART_1_ClearTxBuffer();
UART_1_ClearRxBuffer();
LCD_Char_1_Start();
LCD_Char_1_Position(0,0);
/* initialize our source data to index */
int j;
for(j = 0; j < DATA_SIZE; ++j){
sourceData[j] = j;
}
/* enable our interrupt routines */
isr_1_StartEx(tx_int);
isr_2_StartEx(rx_int);
/* idle loop until we finish our transmission */
while(!rx_done){}
int k;
int errors = 0;
/* data validation */
for(k = 0; k < DATA_SIZE; ++k)
if(sourceData[k] != receiveData[k]) ++errors;
/* print errors to lcd */
LCD_Char_1_PrintString("errors: ");
LCD_Char_1_PrintNumber(errors);
LCD_Char_1_Position(1,0);
LCD_Char_1_PrintString("tx:");
LCD_Char_1_PrintNumber(tx_cnt);
LCD_Char_1_PrintString(" rx:");
LCD_Char_1_PrintNumber(rx_cnt);
for(;;){
}
}
/*******************************************************************************
* Function Name: UART_1_Wakeup
********************************************************************************
*
* Summary:
* Restores and enables the user configuration. Should be called
* just after awaking from sleep.
*
* Parameters:
* None.
*
* Return:
* None.
*
* Global Variables:
* UART_1_backup - used when non-retention registers are restored.
*
* Reentrant:
* No.
*
*******************************************************************************/
void UART_1_Wakeup(void)
{
UART_1_RestoreConfig();
#if( (UART_1_RX_ENABLED) || (UART_1_HD_ENABLED) )
UART_1_ClearRxBuffer();
#endif /* End (UART_1_RX_ENABLED) || (UART_1_HD_ENABLED) */
#if(UART_1_TX_ENABLED || UART_1_HD_ENABLED)
UART_1_ClearTxBuffer();
#endif /* End UART_1_TX_ENABLED || UART_1_HD_ENABLED */
if(UART_1_backup.enableState != 0u)
{
UART_1_Enable();
}
}
void main(){
/* initialize UART */
UART_1_Start();
/* disable interrupts */
UART_1_DisableRxInt();
UART_1_DisableTxInt();
UART_1_ClearTxBuffer();
UART_1_ClearRxBuffer();
LCD_Char_1_Start();
LCD_Char_1_Position(0,0);
/* initialize or source array */
int j;
for(j = 0; j < DATA_SIZE; ++j){
sourceData[j] = j;
}
/* loop to transmit all 4096 bytes of our source array */
int i;
for(i = 0; i < DATA_SIZE; ++i){
UART_1_WriteTxData(sourceData[i]);
/* we check the receiver FIFO to see when we get the data */
while(UART_1_ReadRxStatus() != UART_1_RX_STS_FIFO_NOTEMPTY){}
/* if FIFO is not empty, save the data */
receiveData[i] = UART_1_ReadRxData();
}
int k;
int errors = 0;
/* loop through received data to verify it */
for(k = 0; k < DATA_SIZE; ++k)
if(sourceData[k] != receiveData[k]) ++errors;
/* print errors */
LCD_Char_1_PrintString("errors: ");
LCD_Char_1_PrintNumber(errors);
for(;;){
}
}
