void PDMA_Example()
{
uint8_t unItem;
/* Init System, IP clock and multi-function I/O */
SYS_Init(); //In the end of SYS_Init() will issue SYS_LockReg() to lock protected register. If user want to write protected register, please issue SYS_UnlockReg() to unlock protected register.
/* Init UART0 for printf */
UART0_Init();
/* Init UART1 for PDMA test */
UART1_Init();
do
{
/* PDMA Sample Code: UART1 Tx/Rx Loopback */
// printf("\n\n");
printf("+------------------------------------------------------------------------+\n");
printf("| PDMA Driver Sample Code |\n");
printf("| |\n");
printf("+------------------------------------------------------------------------+\n");
printf("| [1] Using TWO PDMA channel to test. < TX1(CH1)-->RX1(CH0) > |\n");
printf("| [2] Using ONE PDMA channel to test. < TX1-->RX1(CH0) > |\n");
printf("+------------------------------------------------------------------------+\n");
unItem = uart_getchar();
IsTestOver =FALSE;
if((unItem=='1') || (unItem == '2'))
{
PDMA_UART(unItem);
// printf("\n\n PDMA sample code is complete.\n");
}
}while(unItem!=0x27);
// return 0;
}
/*---------------------------------------------------------------------------------------------------------*/
int32_t main(void)
{
uint8_t unItem;
/* Unlock protected registers */
SYS_UnlockReg();
/* Init System, peripheral clock and multi-function I/O */
SYS_Init();
/* Lock protected registers */
SYS_LockReg();
/* Init UART0 for printf */
UART0_Init();
/* Init UART1 for testing */
UART1_Init();
/*---------------------------------------------------------------------------------------------------------*/
/* SAMPLE CODE */
/*---------------------------------------------------------------------------------------------------------*/
printf("\n\nCPU @ %d Hz\n", SystemCoreClock);
printf("\nUART PDMA Sample Program");
/* UART PDMA sample function */
do
{
printf("\n\n");
printf("+------------------------------------------------------------------------+\n");
printf("| UART PDMA Driver Sample Code |\n");
printf("+------------------------------------------------------------------------+\n");
printf("| [1] Using TWO PDMA channel to test. < TX1(CH1)-->RX1(CH0) > |\n");
printf("| [2] Using ONE PDMA channel to test. < TX1-->RX1(CH0) > |\n");
printf("+------------------------------------------------------------------------+\n");
unItem = getchar();
IsTestOver = FALSE;
if((unItem == '1') || (unItem == '2'))
{
PDMA_UART(unItem);
printf("\n\n UART PDMA sample code is complete.\n");
}
}while(unItem!=27);
while(1);
}