xComPortHandle xSerialPortInitMinimal( unsigned long ulWantedBaud, unsigned portBASE_TYPE uxQueueLength )
{
/* NOTE: The baud rate used by this driver is determined by the hardware
parameterization of the UART Lite peripheral, and the baud value passed to
this function has no effect. */
( void ) ulWantedBaud;
/* Create the queues used to hold Rx and Tx characters. */
xRxedChars = xQueueCreate( uxQueueLength, ( unsigned portBASE_TYPE ) sizeof( signed char ) );
xCharsForTx = xQueueCreate( uxQueueLength + 1, ( unsigned portBASE_TYPE ) sizeof( signed char ) );
/* Only initialise the UART if the queues were created correctly. */
if( ( xRxedChars != NULL ) && ( xCharsForTx != NULL ) )
{
XUartLite_Initialize( &xUART, XPAR_RS232_UART_1_DEVICE_ID );
XUartLite_ResetFifos( &xUART );
XUartLite_DisableInterrupt( &xUART );
if( xPortInstallInterruptHandler( XPAR_XPS_INTC_0_RS232_UART_1_INTERRUPT_INTR, ( XInterruptHandler )vSerialISR, (void *)&xUART ) == pdPASS )
{
/* xPortInstallInterruptHandler() could fail if
vPortSetupInterruptController() has not been called prior to this
function. */
XUartLite_EnableInterrupt( &xUART );
}
}
/* There is only one port so the handle is not used. */
return ( xComPortHandle ) 0;
}
xComPortHandle xSerialPortInitMinimal( unsigned long ulWantedBaud, unsigned portBASE_TYPE uxQueueLength )
{
portBASE_TYPE xStatus;
/* The standard demo header file requires a baud rate to be passed into this
function. However, in this case the baud rate is configured when the
hardware is generated, leaving the ulWantedBaud parameter redundant. */
( void ) ulWantedBaud;
/* Create the queue used to hold Rx characters. */
xRxedChars = xQueueCreate( uxQueueLength, ( unsigned portBASE_TYPE ) sizeof( signed char ) );
/* If the queue was created correctly, then setup the serial port
hardware. */
if( xRxedChars != NULL )
{
xStatus = XUartLite_Initialize( &xUartLiteInstance, XPAR_UARTLITE_1_DEVICE_ID );
if( xStatus == XST_SUCCESS )
{
/* Complete initialisation of the UART and its associated
interrupts. */
XUartLite_ResetFifos( &xUartLiteInstance );
/* Install the handlers that the standard Xilinx library interrupt
service routine will call when Rx and Tx events occur
respectively. */
XUartLite_SetRecvHandler( &xUartLiteInstance, ( XUartLite_Handler ) prvRxHandler, NULL );
XUartLite_SetSendHandler( &xUartLiteInstance, ( XUartLite_Handler ) prvTxHandler, NULL );
/* Install the standard Xilinx library interrupt handler itself.
*NOTE* The xPortInstallInterruptHandler() API function must be used
for this purpose. */
xStatus = xPortInstallInterruptHandler( XPAR_INTC_0_UARTLITE_1_VEC_ID, ( XInterruptHandler ) XUartLite_InterruptHandler, &xUartLiteInstance );
/* Enable the interrupt in the peripheral. */
XUartLite_EnableIntr( xUartLiteInstance.RegBaseAddress );
/* Enable the interrupt in the interrupt controller.
*NOTE* The vPortEnableInterrupt() API function must be used for this
purpose. */
vPortEnableInterrupt( XPAR_INTC_0_UARTLITE_1_VEC_ID );
}
configASSERT( xStatus == pdPASS );
}
/* This demo file only supports a single port but something must be
returned to comply with the standard demo header file. */
return ( xComPortHandle ) 0;
}
/**
*
* Runs a self-test on the device hardware. Since there is no way to perform a
* loopback in the hardware, this test can only check the state of the status
* register to verify it is correct. This test assumes that the hardware
* device is still in its reset state, but has been initialized with the
* Initialize function.
*
* @param InstancePtr is a pointer to the XUartLite instance.
*
* @return
* - XST_SUCCESS if the self-test was successful.
* - XST_FAILURE if the self-test failed, the status register
* value was not correct
*
* @note None.
*
******************************************************************************/
int XUartLite_SelfTest(XUartLite *InstancePtr)
{
u32 StatusRegister;
/*
* Assert validates the input arguments
*/
Xil_AssertNonvoid(InstancePtr != NULL);
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
/*
* Reset the FIFO's before reading the status register.
* It is likely that the Uartlite IP may not always have an
* empty Tx and Rx FIFO when a selftest is performed if more than one
* uartlite instance is present in the h/w design.
*/
XUartLite_ResetFifos(InstancePtr);
/*
* Read the Status register value to check if it is the correct value
* after a reset
*/
StatusRegister = XUartLite_ReadReg(InstancePtr->RegBaseAddress,
XUL_STATUS_REG_OFFSET);
/*
* If the status register is any other value other than
* XUL_SR_TX_FIFO_EMPTY then the test is a failure since this is
* the not the value after reset
*/
if (StatusRegister != XUL_SR_TX_FIFO_EMPTY) {
return XST_FAILURE;
}
return XST_SUCCESS;
}
void InitInterrupts() {
// Initialize wireless uart
XUartLite_Initialize(&(wireless.uart), XPAR_WIRELESS_UART_DEVICE_ID);
XUartLite_ResetFifos(&(wireless.uart));
Wireless_Init(&wireless);
// Initialize gameboard uart
XUartLite_Initialize(&gameboard_uart, XPAR_GAMEBOARD_UART_DEVICE_ID);
XUartLite_ResetFifos(&gameboard_uart);
// Initialize the interrupt controller
XIntc_Initialize(&InterruptController, XPAR_INTC_0_DEVICE_ID);
// Connect the wireless uart to the interrupt controller
XIntc_Connect(&InterruptController, XPAR_XPS_INTC_0_WIRELESS_UART_INTERRUPT_INTR,
(XInterruptHandler)XUartLite_InterruptHandler,
(void *)&(wireless.uart));
// Connect the gameboard uart to the interrupt controller
XIntc_Connect(&InterruptController, XPAR_XPS_INTC_0_GAMEBOARD_UART_INTERRUPT_INTR,
(XInterruptHandler)XUartLite_InterruptHandler,
(void *)&gameboard_uart);
//XIntc_Connect(&InterruptController, XPAR_INTC_0_GPIO_0_VEC_ID,
// (Xil_ExceptionHandler)GpioHandler, &Gpio);
XIntc_Start(&InterruptController, XIN_REAL_MODE);
// Enable interrupts for serial controllers
XIntc_Enable(&InterruptController, XPAR_XPS_INTC_0_WIRELESS_UART_INTERRUPT_INTR);
XIntc_Enable(&InterruptController, XPAR_XPS_INTC_0_GAMEBOARD_UART_INTERRUPT_INTR);
// Enable interrupts for the GPIO
//XIntc_Enable(&InterruptController, XPAR_INTC_0_GPIO_0_VEC_ID);
Xil_ExceptionInit();
Xil_ExceptionRegisterHandler(XIL_EXCEPTION_ID_INT,
(Xil_ExceptionHandler)XIntc_InterruptHandler,
&InterruptController);
Xil_ExceptionEnable();
// Set up send/receive handlers for wireless uart
XUartLite_SetSendHandler(&(wireless.uart), WirelessSendHandler, &(wireless.uart));
XUartLite_SetRecvHandler(&(wireless.uart), WirelessRecvHandler, &(wireless.uart));
//XUartLite_SetRecvHandler(&(wireless.uart), WirelessRecvHandlerNonBlocking, &(wireless.uart));
Wireless_Debug("Wireless should be set up now");
// Set up send/receive handlers for gameboard uart
XUartLite_SetSendHandler(&gameboard_uart, GameboardSendHandler, &gameboard_uart);
XUartLite_SetRecvHandler(&gameboard_uart, GameboardRecvHandler, &gameboard_uart);
XUartLite_EnableInterrupt(&(wireless.uart));
XUartLite_EnableInterrupt(&gameboard_uart);
// Enable interrupts for GPIO
//XGpio_InterruptEnable(&Gpio, XGPIO_IR_CH2_MASK);
//XGpio_InterruptGlobalEnable(&Gpio);
// Set up PIT
XExceptionHandler pithandler = &my_pitHandler;
XExc_RegisterHandler(XEXC_ID_PIT_INT, pithandler,
0);
XTime_PITEnableAutoReload();
// PIT should be set to 1ms
XTime_PITSetInterval(300000);
XExc_mEnableExceptions(XEXC_ALL);
XTime_PITEnableInterrupt();
XTime_PITClearInterrupt();
}
int main(void) {
LOG_INFO("UART CTP FE echo test\n");
init_platform();
tx_buffer = cbuffer_new();
rx_buffer = cbuffer_new();
int Status;
u16 DeviceId = UARTLITE_DEVICE_ID;
/*
* Initialize the UartLite driver so that it's ready to use.
*/
Status = XUartLite_Initialize(&UartLite, DeviceId);
if (Status != XST_SUCCESS) {
LOG_ERROR ("Error: could not initialize UART\n");
return XST_FAILURE;
}
XUartLite_ResetFifos(&UartLite);
/*
* Perform a self-test to ensure that the hardware was built correctly.
*/
Status = XUartLite_SelfTest(&UartLite);
if (Status != XST_SUCCESS) {
LOG_ERROR ("Error: self test failed\n");
return XST_FAILURE;
}
/*
* Connect the UartLite to the interrupt subsystem such that interrupts can
* occur. This function is application specific.
*/
Status = SetupInterruptSystem(&UartLite);
if (Status != XST_SUCCESS) {
LOG_ERROR ("Error: could not setup interrupts\n");
return XST_FAILURE;
}
/*
* Setup the handlers for the UartLite that will be called from the
* interrupt context when data has been sent and received, specify a
* pointer to the UartLite driver instance as the callback reference so
* that the handlers are able to access the instance data.
*/
XUartLite_SetSendHandler(&UartLite, SendHandler, &UartLite);
XUartLite_SetRecvHandler(&UartLite, RecvHandler, &UartLite);
/*
* Enable the interrupt of the UartLite so that interrupts will occur.
*/
XUartLite_EnableInterrupt(&UartLite);
// bootstrap the READ
LOG_DEBUG("Bootstrapping READ\n");
XUartLite_Recv(&UartLite, (u8*)&rx_tmp_buffer, sizeof(uint32_t));
LOG_INFO("Starting loop\n");
/*
LOG_DEBUG("Sending 'wtf!'\n");
currently_sending = 1;
char help[4] = "wtf!";
unsigned int ret = XUartLite_Send(&UartLite, (u8*)help, 4);
LOG_DEBUG("WTF send complete return: %x\n", ret);
*/
/* echo received data forever */
unsigned int heartbeat = 0;
while (1) {
if (heartbeat++ % (1 << 8)) {
//LOG_DEBUG("bump %x\n", heartbeat);
}
while (cbuffer_size(rx_buffer) && cbuffer_freespace(tx_buffer)) {
uint32_t data = cbuffer_pop_front(rx_buffer);
//LOG_DEBUG("Echoing data word %x\n", data);
cbuffer_push_back(tx_buffer, data);
}
if (!currently_sending && cbuffer_size(tx_buffer)) {
LOG_DEBUG("\nREINT SEND\n");
currently_sending = 1;
/*
if (XUartLite_IsSending(&UartLite)) {
LOG_DEBUG("UART STAT: sending\n");
} else {
LOG_DEBUG("UART STAT: idle\n");
}
*/
unsigned int to_send = cbuffer_contiguous_data_size(tx_buffer) * sizeof(uint32_t);
u8* output_ptr = (u8*)&(tx_buffer->data[tx_buffer->pos]);
//LOG_DEBUG("REINIT %x\n", to_send);
//LOG_DEBUG("SENDADDR %x\n", output_ptr);
XUartLite_Send(&UartLite, output_ptr, to_send);
}
}
}
int main()
{
/********************** TouchSensor Setup *********************/
Status = TouchSensor_Initialize(&touchSensor, XPAR_TOUCHSENSOR_0_DEVICE_ID);
if (Status != XST_SUCCESS)
{
// printf("TouchSensor initialisation error\n\r\r");
}
TouchSensorButtons_InitializeManager(&Manager, &touchSensor, &PrintTouchCoordinates);
button_t GameboardGridButton;
Button_SetGridDim(&GameboardGridButton, SQUARE_DIM, SQUARE_DIM, BOARD_OFFSET_X, BOARD_OFFSET_Y, BOARD_SIZE, BOARD_SIZE);
Button_AssignHandler(&GameboardGridButton, &HandleGameboardTouch);
TouchSensorButtons_RegisterButton(&Manager, &GameboardGridButton);
TouchSensorButtons_EnableButton(&GameboardGridButton);
button_t WhiteModeButton;
Button_SetGridDim(&WhiteModeButton, 50, 50, 300, 10 , 3, 1);
Button_AssignHandler(&WhiteModeButton, &HandleWhiteModeTouch);
TouchSensorButtons_RegisterButton(&Manager, &WhiteModeButton);
TouchSensorButtons_EnableButton(&WhiteModeButton);
button_t BlackModeButton;
Button_SetGridDim(&BlackModeButton, 50, 50, 300, 75, 3, 1);
Button_AssignHandler(&BlackModeButton, &HandleBlackModeTouch);
TouchSensorButtons_RegisterButton(&Manager, &BlackModeButton);
TouchSensorButtons_EnableButton(&BlackModeButton);
button_t ResetButton;
Button_SetRectDim(&ResetButton, 100, 50, 325, 200);
Button_AssignHandler(&ResetButton, &HandleResetTouch);
TouchSensorButtons_RegisterButton(&Manager, &ResetButton);
TouchSensorButtons_EnableButton(&ResetButton);
/********************** BoardCount Accelerator Setup********************/
initialize_accelerator(&board_count_accelerator, XPAR_GENERATE_BOARD_COUNTS_TOP_0_S_AXI_CTRL_BASEADDR);
/********************** TFT Setup *********************/
blackScreen();
TFT_Initialize(&tft, XPAR_TFT_PERHIPHERAL_0_DEVICE_ID);
TFT_SetImageAddress(&tft, XPAR_MCB_DDR2_S0_AXI_BASEADDR);
TFT_SetBrightness(&tft, 7);
TFT_TurnOn(&tft);
//Render Buttons
//TouchSensorButtons_RenderButton(&MyCircle, GREEN, &tft);
//TouchSensorButtons_RenderButton(&MyRect, RED, &tft);
TouchSensorButtons_RenderButton(&GameboardGridButton, BLUE, &tft);
TouchSensorButtons_RenderButton(&ResetButton, ORANGE, &tft);
TouchSensorButtons_RenderButton(&WhiteModeButton, WHITE, &tft);
TouchSensorButtons_RenderButton(&BlackModeButton, RED, &tft);
Gameboard.TftPtr = &tft;
/********************** UART Setup *********************/
Status = XUartLite_Initialize(&Uart, XPAR_UARTLITE_1_DEVICE_ID);
if (Status != XST_SUCCESS)
{
printf("XUartLite initialization error\n\r");
}
XUartLite_SetRecvHandler(&Uart, (XUartLite_Handler) &RecvUartCommand, &Uart);
/********************** Interrupt Controller Setup *********************/
/*
* Initialize the interrupt controller driver so that it's ready to use,
* using the device ID that is generated in xparameters.h
*/
Status = XIntc_Initialize(&InterruptController, XPAR_AXI_INTC_0_DEVICE_ID);
if (Status != XST_SUCCESS)
{
//printf("Interrupt controller initialization error\n\r");
}
/*
* Connect the device driver handler that will be called when an interrupt
* for the device occurs, the device driver handler performs the specific
* interrupt processing for the device
*/
Status = XIntc_Connect(&InterruptController,
XPAR_AXI_INTC_0_TOUCHSENSOR_0_INTERRUPT_INTR,
(XInterruptHandler)TouchSensorButtons_InterruptHandler,
&Manager);
if (Status != XST_SUCCESS)
{
//printf("Interrupt controller connect error\n\r");
}
Status = XIntc_Connect(&InterruptController,
XPAR_AXI_INTC_0_RS232_UART_1_INTERRUPT_INTR,
(XInterruptHandler)XUartLite_InterruptHandler,
&Uart);
if (Status != XST_SUCCESS)
{
printf("Interrupt controller connect to Uart error\n\r");
}
Status = XIntc_Start(&InterruptController, XIN_REAL_MODE);
if (Status != XST_SUCCESS)
{
//printf("Interrupt controller start error\n\r");
}
XIntc_Enable(&InterruptController,
XPAR_AXI_INTC_0_TOUCHSENSOR_0_INTERRUPT_INTR);
XIntc_Enable(&InterruptController,
XPAR_AXI_INTC_0_RS232_UART_1_INTERRUPT_INTR);
XUartLite_ResetFifos(&Uart);
XUartLite_EnableInterrupt(&Uart);
AI_PLAYER ai = default_ai();
PLAYER Player1, Player2;
Player1.num = P1;
Player2.num = P2;
Gameboard_Initialize(&Gameboard,human,fpga);
microblaze_enable_interrupts();
while (1) {
PLAYER Curr_P, Opp_P;
//Workaround to enable multiple resets on turn 0.
if (Gameboard.MoveBufferSize == -1)
Gameboard.MoveBufferSize++;
int CurrentMove = Gameboard.MoveBufferSize;
player_mode_t CurrentPlayerMode = (CurrentMove % 2) ? Gameboard.WhiteMode : Gameboard.BlackMode;
Curr_P = (CurrentMove % 2) ? Player1 : Player2;
Opp_P = (CurrentMove % 2) ? Player2 : Player1;
switch (CurrentPlayerMode){
case human:
TouchSensorButtons_EnableButton(&GameboardGridButton);
break;
case fpga:
TouchSensorButtons_DisableButton(&GameboardGridButton);
HandleAiMove(ai, Gameboard.master_board, Curr_P, Opp_P);
break;
case uart:
TouchSensorButtons_DisableButton(&GameboardGridButton);
if(Gameboard.MoveBufferSize > 0){
SendUartCommand(&Uart, Gameboard.MoveBuffer[Gameboard.MoveBufferSize-1].X,
Gameboard.MoveBuffer[Gameboard.MoveBufferSize-1].Y);
}
break;
default:
TouchSensorButtons_EnableButton(&GameboardGridButton);
break;
}
/*
if (check_board_full(Gameboard.master_board)) {
//printf("Gameboard full\n\r");
break;
}
*/
if (check_board_win(Gameboard.master_board, Curr_P)) {
xil_printf("Player %s won\n\r", (Curr_P.num == P1) ? "white" : "black");
//Spin waiting on reset
while(Gameboard.MoveBufferSize != -1);
}
while(CurrentMove == Gameboard.MoveBufferSize);
}
return 0;
}
