/*---------------------------------------------------------------------------------------------------------*/
void AutoFlow_FunctionTest()
{
uint8_t u8Item;
uint32_t u32i;
printf("+-----------------------------------------------------------+\n");
printf("| Pin Configure |\n");
printf("+-----------------------------------------------------------+\n");
printf("| _______ _______ |\n");
printf("| | | | | |\n");
printf("| |Master |---TXD0(pin46) <====> RXD0(pin45)---| Slave | |\n");
printf("| | |---RTS0(pin37) <====> CTS0(pin38)---| | |\n");
printf("| |_______|---CTS0(pin38) <====> RTS0(pin37)---|_______| |\n");
printf("| |\n");
printf("+-----------------------------------------------------------+\n\n");
/* Set RTS Trigger Level */
UART->MCR |= UART_RTS_IS_HIGH_LEV_TRG;
UART->FCR = (UART->FCR &~ UART_FCR_RTS_TRI_LEV_Msk) | UART_FCR_RTS_TRI_LEV_14BYTES;
/* Enable RTS and CTS autoflow control */
UART->IER |= UART_IER_AUTO_RTS_EN_Msk | UART_IER_AUTO_CTS_EN_Msk;
printf("+-----------------------------------------------------------+\n");
printf("| AutoFlow Function Test |\n");
printf("+-----------------------------------------------------------+\n");
printf("| Description : |\n");
printf("| The sample code needs two boards. One is Master and |\n");
printf("| the other is slave. Master will send 1k bytes data |\n");
printf("| to slave.Slave will check if received data is correct |\n");
printf("| after getting 1k bytes data. |\n");
printf("| Please select Master or Slave test |\n");
printf("| [0] Master [1] Slave |\n");
printf("+-----------------------------------------------------------+\n\n");
u8Item = getchar();
if(u8Item=='0')
{
for(u32i=0;u32i<(RXBUFSIZE-1);u32i++)
{
UART_WRITE(UART,((u32i+1)&0xFF));
/* Slave will control RTS pin*/
while(UART->MCR & UART_MCR_RTS_ST_Msk);
}
printf("\n Transmit Done\n");
}
else
{
g_i32pointer = 0;
/* Enable RDA\RLS\RTO Interrupt */
UART_ENABLE_INT(UART, (UART_IER_RDA_IEN_Msk | UART_IER_THRE_IEN_Msk | UART_IER_RTO_IEN_Msk));
/* Set RX Trigger Level = 8 */
UART->FCR = (UART->FCR &~ UART_FCR_RFITL_Msk) | UART_FCR_RFITL_8BYTES;
/* Set Timeout time 0x3E bit-time */
UART_SetTimeoutCnt(UART,0x3E);
NVIC_EnableIRQ(UART_IRQn);
printf("Starting to recevice %d bytes data...\n", RXBUFSIZE);
while(g_i32pointer<(RXBUFSIZE-1))
{
printf("%d\r",g_i32pointer);
}
/* Compare Data */
for(u32i=0;u32i!=(RXBUFSIZE-1);u32i++)
{
if(g_u8RecData[u32i] != ((u32i+1)&0xFF) )
{
printf("Compare Data Failed\n");
while(1);
}
}
printf("\n Receive OK & Check OK\n");
}
NVIC_DisableIRQ(UART_IRQn);
UART_DISABLE_INT(UART, (UART_IER_RDA_IEN_Msk | UART_IER_THRE_IEN_Msk | UART_IER_RTO_IEN_Msk));
}
/*---------------------------------------------------------------------------------------------------------*/
void AutoFlow_FunctionRxTest()
{
uint32_t u32i;
printf("\n");
printf("+-----------------------------------------------------------+\n");
printf("| Pin Configure |\n");
printf("+-----------------------------------------------------------+\n");
printf("| ______ _____ |\n");
printf("| | | | | |\n");
printf("| |Master|--UART1_TXD(PB.5) <==> UART1_RXD(PB.4)--|Slave| |\n");
printf("| | |--UART1_nCTS(PB.7) <==> UART1_nRTS(PB.6)--| | |\n");
printf("| |______| |_____| |\n");
printf("| |\n");
printf("+-----------------------------------------------------------+\n");
printf("\n");
printf("+-----------------------------------------------------------+\n");
printf("| AutoFlow Function Test (Slave) |\n");
printf("+-----------------------------------------------------------+\n");
printf("| Description : |\n");
printf("| The sample code needs two boards. One is Master and |\n");
printf("| the other is slave. Master will send 1k bytes data |\n");
printf("| to slave.Slave will check if received data is correct |\n");
printf("| after getting 1k bytes data. |\n");
printf("| Press any key to start... |\n");
printf("+-----------------------------------------------------------+\n");
GetChar();
/* Enable RTS and CTS autoflow control */
UART_EnableFlowCtrl(UART1);
/* Set RTS Trigger Level as 8 bytes */
UART1->FCR &= ~UART_FCR_RTS_TRI_LEV_Msk;
UART1->FCR |= UART_FCR_RTS_TRI_LEV_8BYTES;
/* Set RX Trigger Level as 8 bytes */
UART1->FCR &= ~UART_FCR_RFITL_Msk;
UART1->FCR |= UART_FCR_RFITL_8BYTES;
/* Set Timeout time 0x3E bit-time and time-out counter enable */
UART_SetTimeoutCnt(UART1, 0x3E);
/* Enable RDA\RLS\RTO Interrupt */
UART_EnableInt(UART1, (UART_IER_RDA_IEN_Msk | UART_IER_RLS_IEN_Msk | UART_IER_TOUT_IEN_Msk));
printf("\n Starting to receive data...\n");
/* Wait for receive 1k bytes data */
while(g_i32pointer < RXBUFSIZE);
/* Compare Data */
for(u32i = 0; u32i < RXBUFSIZE; u32i++) {
if(g_u8RecData[u32i] != (u32i & 0xFF)) {
printf("Compare Data Failed\n");
while(1);
}
}
printf("\n Receive OK & Check OK\n");
/* Disable RDA\RLS\RTO Interrupt */
UART_DisableInt(UART1, (UART_IER_RDA_IEN_Msk | UART_IER_RLS_IEN_Msk | UART_IER_TOUT_IEN_Msk));
}
