int main (void)
{
XGpio dip, push;
int i, psb_check, dip_check;
xil_printf("-- Start of the Program --\r\n");
XGpio_Initialize(&dip, XPAR_SW_4BIT_DEVICE_ID); // Modify this
XGpio_SetDataDirection(&dip, 1, 0xffffffff);
XGpio_Initialize(&push, XPAR_BTNS_4BIT_DEVICE_ID); // Modify this
XGpio_SetDataDirection(&push, 1, 0xffffffff);
while (1)
{
psb_check = XGpio_DiscreteRead(&push, 1);
xil_printf("Push Buttons Status %x\r\n", psb_check);
dip_check = XGpio_DiscreteRead(&dip, 1);
xil_printf("DIP Switch Status %x\r\n", dip_check);
// output dip switches value on LED_ip device
LED_IP_mWriteReg(XPAR_LED_IP_0_S_AXI_BASEADDR,0,dip_check);
for (i=0; i<9999999; i++);
}
}
/**
*
* Run a self-test on the driver/device. Note this may be a destructive test if
* resets of the device are performed.
*
* If the hardware system is not built correctly, this function may never
* return to the caller.
*
* @param baseaddr_p is the base address of the LED_IPinstance to be worked on.
*
* @return
*
* - XST_SUCCESS if all self-test code passed
* - XST_FAILURE if any self-test code failed
*
* @note Caching must be turned off for this function to work.
* @note Self test may fail if data memory and device are not on the same bus.
*
*/
XStatus LED_IP_Reg_SelfTest(void * baseaddr_p)
{
Xuint32 baseaddr;
int write_loop_index;
int read_loop_index;
int Index;
baseaddr = (Xuint32) baseaddr_p;
xil_printf("******************************\n\r");
xil_printf("* User Peripheral Self Test\n\r");
xil_printf("******************************\n\n\r");
/*
* Write to user logic slave module register(s) and read back
*/
xil_printf("User logic slave module test...\n\r");
for (write_loop_index = 0 ; write_loop_index < 4; write_loop_index++)
LED_IP_mWriteReg (baseaddr, write_loop_index*4, (write_loop_index+1)*READ_WRITE_MUL_FACTOR);
for (read_loop_index = 0 ; read_loop_index < 4; read_loop_index++)
if ( LED_IP_mReadReg (baseaddr, read_loop_index*4) != (read_loop_index+1)*READ_WRITE_MUL_FACTOR){
xil_printf ("Error reading register value at address %x\n", (int)baseaddr + read_loop_index*4);
return XST_FAILURE;
}
xil_printf(" - slave register write/read passed\n\n\r");
return XST_SUCCESS;
}
int main(void) {
XGpio dip, push;
XScuTimer Timer; /* Cortex A9 SCU Private Timer Instance */
XScuTimer_Config *ConfigPtr;
int value, skip, psb_check, dip_check, status, timerCounter, time1, time2;
VectorArray AInst;
VectorArray BTinst;
VectorArray PInst;
xil_printf("-- Start of the Program --\r\n");
xil_printf("Enter choice: 1 (SW->Leds), 2 (Timer->Leds), 3 (Matrix), 4 (Exit) \r\n");
XGpio_Initialize(&dip, XPAR_SW_8BIT_DEVICE_ID);
XGpio_SetDataDirection(&dip, 1, 0xffffffff);
XGpio_Initialize(&push, XPAR_BTNS_5BIT_DEVICE_ID);
XGpio_SetDataDirection(&push, 1, 0xffffffff);
ConfigPtr = XScuTimer_LookupConfig (XPAR_PS7_SCUTIMER_0_DEVICE_ID);
status = XScuTimer_CfgInitialize (&Timer, ConfigPtr, ConfigPtr->BaseAddr);
if(status != XST_SUCCESS){
xil_printf("Timer init() failed\r\n");
return XST_FAILURE;
}
// Load timer with delay
XScuTimer_LoadTimer(&Timer, ONE_SECOND);
// Set AutoLoad mode
XScuTimer_EnableAutoReload(&Timer);
while (1) {
xil_printf("CMD:> ");
// Read an input value from the console.
value = inbyte();
skip = inbyte(); //CR
skip = inbyte(); //LF
switch (value) {
case '1':
while(!XGpio_DiscreteRead(&push, 1))
{
dip_check = XGpio_DiscreteRead(&dip, 1);
LED_IP_mWriteReg(XPAR_LED_IP_S_AXI_BASEADDR, 0, dip_check);
for (skip = 0; skip < 9999999; skip++);
}
break;
case '2':
timerCounter = 0;
XScuTimer_Start(&Timer);
while(!XGpio_DiscreteRead(&push, 1))
{
if(XScuTimer_IsExpired(&Timer))
{
XScuTimer_ClearInterruptStatus(&Timer);
timerCounter = (timerCounter + 1) % 256;
LED_IP_mWriteReg(XPAR_LED_IP_S_AXI_BASEADDR, 0, timerCounter);
}
}
break;
case '3':
setInputMatrices(AInst, BTinst);
displayMatrix(AInst);
displayMatrix(BTinst);
XScuTimer_Start(&Timer);
// Software matrix
time1 = XScuTimer_GetCounterValue(&Timer);
multiMatrixSoft(AInst, BTinst, PInst);
time2 = XScuTimer_GetCounterValue(&Timer);
xil_printf("SW time: %d\n\n", time1-time2);
displayMatrix(PInst);
// Hardware matrix
time1 = XScuTimer_GetCounterValue(&Timer);
multiMatrixHard(AInst, BTinst, PInst);
time2 = XScuTimer_GetCounterValue(&Timer);
XScuTimer_Stop(&Timer);
xil_printf("HW time: %d\n\n", time1-time2);
displayMatrix(PInst);
break;
case '4':
// Exit
return XST_SUCCESS;
break;
default :
break;
}
}
}
int main (void)
{
XGpio dip, push;
int psb_check, dip_check, dip_check_prev, count, Status;
// PS Timer related definitions
XScuTimer_Config *ConfigPtr;
XScuTimer *TimerInstancePtr = &Timer;
xil_printf("-- Start of the Program --\r\n");
XGpio_Initialize(&dip, XPAR_SW_4BIT_DEVICE_ID);
XGpio_SetDataDirection(&dip, 1, 0xffffffff);
XGpio_Initialize(&push, XPAR_BTNS_4BIT_DEVICE_ID);
XGpio_SetDataDirection(&push, 1, 0xffffffff);
count = 0;
// Initialize the timer
ConfigPtr = XScuTimer_LookupConfig(XPAR_PS7_SCUTIMER_0_DEVICE_ID);
Status = XScuTimer_CfgInitialize(TimerInstancePtr, ConfigPtr, ConfigPtr->BaseAddr);
if(Status != XST_SUCCESS){
return XST_FAILURE;
}
// Read dip switch values
dip_check_prev = XGpio_DiscreteRead(&dip, 1);
// Load timer with delay in multiple of ONE_SECOND
XScuTimer_LoadTimer(TimerInstancePtr, ONE_SECOND*dip_check_prev);
// Set AutoLoad mode
XScuTimer_EnableAutoReload(TimerInstancePtr);
// Start the timer
XScuTimer_Start(TimerInstancePtr);
while (1)
{
// Read push buttons and break the loop if Center button pressed
psb_check = XGpio_DiscreteRead(&push, 1);
if(psb_check & 0x1)
{
XScuTimer_Stop(TimerInstancePtr);
break;
}
dip_check = XGpio_DiscreteRead(&dip, 1);
if (dip_check != dip_check_prev) {
xil_printf("DIP Switch Status %x, %x\r\n", dip_check_prev, dip_check);
dip_check_prev = dip_check;
// load timer with the new switch settings
XScuTimer_LoadTimer(TimerInstancePtr, ONE_SECOND*dip_check_prev);
count = 0;
}
if(XScuTimer_IsExpired(TimerInstancePtr)) {
// clear status bit
XScuTimer_ClearInterruptStatus(TimerInstancePtr);
// output the count to LED and increment the count
LED_IP_mWriteReg(XPAR_LED_IP_S_AXI_BASEADDR, 0, count);
count++;
}
}
return 0;
}
