//////////////////////////// PrintData ////////////////////////////////
int PrintData( ){
u32 data;
int dram_addr;
//Read all data from DRAM
// int dram_base = 0xa000000;
// int dram_cieling = 0xa00ffff; //read out data from all integration channels
// Read only Adj Average data from DRAM
int dram_base = 0xa000000;
int dram_cieling = 0xA004000; //read out just adjacent average (0xA004000 - 0xa000000 = 16384)
Xil_DCacheInvalidateRange(0x00000000, 65536);
for (dram_addr = dram_base; dram_addr <= dram_cieling; dram_addr+=4){
if (!sw) { sw = XGpioPs_ReadPin(&Gpio, SW_BREAK_GPIO); } //read pin
data = Xil_In32(dram_addr);
xil_printf("%d\r\n",data);
XUartPs_Recv(&Uart_PS, &RecvBuffer, 32);
if ( RecvBuffer[0] == 'q' ) { sw = 1; }
if(sw) { return sw; }
}
return sw;
}
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
BaseType_t xLEDState;
( void ) uxLED;
xLEDState = XGpioPs_ReadPin( &xGpio, partstLED_OUTPUT );
XGpioPs_WritePin( &xGpio, partstLED_OUTPUT, !xLEDState );
}
/*****************************************************************************
*
* This function gets a GPIO button device state configured as INPUT.
*
* @param None.
*
* @return 1 if depressed, else 0.
*
* @note None.
*
****************************************************************************/
int ps_gpio_get_button(zed_ali3_controller_demo_t *pDemo, int button_number)
{
int button_state;
/*
* Set the direction for the specified pin to be input.
*/
#ifdef PS_GPIO_USER_BUTTON0
if (button_number == 0)
{
XGpioPs_SetDirectionPin(&(pDemo->gpio_driver), PS_GPIO_USER_BUTTON0, 0);
}
#ifdef PS_GPIO_USER_BUTTON1
else if (button_number == 1)
{
XGpioPs_SetDirectionPin(&(pDemo->gpio_driver), PS_GPIO_USER_BUTTON1, 0);
}
#endif
#else
XGpioPs_SetDirectionPin(&(pDemo->gpio_driver), (PS_GPIO_USER_BUTTON_START + button_number), 0);
#endif
/*
* Read the state of the data so that it can be verified.
*/
#ifdef PS_GPIO_USER_BUTTON0
if (button_number == 0)
{
button_state = XGpioPs_ReadPin(&(pDemo->gpio_driver), PS_GPIO_USER_BUTTON0);
}
#ifdef PS_GPIO_USER_BUTTON1
else if (button_number == 1)
{
button_state = XGpioPs_ReadPin(&(pDemo->gpio_driver), PS_GPIO_USER_BUTTON1);
}
#endif
#else
button_state = XGpioPs_ReadPin(&(pDemo->gpio_driver), (PS_GPIO_USER_BUTTON_START + button_number));
#endif
return button_state;
}
/**
*
* This function performs a test on the GPIO driver/device with the GPIO
* configured as INPUT.
*
* @param DataRead is the pointer where the data read from GPIO Input is
* returned
*
* @return - XST_SUCCESS if the example has completed successfully.
* - XST_FAILURE if the example has failed.
*
* @note None.
*
******************************************************************************/
static int GpioInputExample(u32 *DataRead)
{
/*
* Set the direction for the specified pin to be input.
*/
XGpioPs_SetDirectionPin(&Gpio, INPUT_PIN, 0x0);
/*
* Read the state of the data so that it can be verified.
*/
*DataRead = XGpioPs_ReadPin(&Gpio, INPUT_PIN);
return XST_SUCCESS;
}
/*****************************************************************************
*
* This function gets a GPIO switch device state configured as INPUT.
*
* @param None.
*
* @return 1 if set to ON postion, else 0.
*
* @note None.
*
****************************************************************************/
int ps_gpio_get_switch(zed_ali3_controller_demo_t *pDemo, int switch_number)
{
int switch_state;
/*
* Set the direction for the specified pin to be input.
*/
XGpioPs_SetDirectionPin(&(pDemo->gpio_driver), (PS_GPIO_USER_SWITCH_START + switch_number), 0);
/*
* Read the state of the data so that it can be verified.
*/
switch_state = XGpioPs_ReadPin(&(pDemo->gpio_driver), (PS_GPIO_USER_SWITCH_START + switch_number));
return switch_state;
}
/*****************************************************************************
*
* This function gets a GPIO MIO state configured as INPUT.
*
* @param None.
*
* @return 1 if depressed, else 0.
*
* @note None.
*
****************************************************************************/
int ps_gpio_get_mio_state(zed_ali3_controller_demo_t *pDemo, int mio_number)
{
int mio_state;
/*
* Set the direction for the specified pin to be input.
*/
XGpioPs_SetDirectionPin(&(pDemo->gpio_driver), mio_number, 0);
/*
* Read the state of the data so that it can be verified.
*/
mio_state = XGpioPs_ReadPin(&(pDemo->gpio_driver), mio_number);
return mio_state;
}
/*****************************************************************************
*
* This function gets a GPIO button device state configured as INPUT.
*
* @param None.
*
* @return 1 if depressed, else 0.
*
* @note None.
*
****************************************************************************/
int ps_gpio_get_button(zed_ali3_controller_demo_t *pDemo, int button_number)
{
int button_state;
/*
* Set the direction for the specified pin to be input.
*/
XGpioPs_SetDirectionPin(&(pDemo->gpio_driver), (PS_GPIO_USER_BUTTON_START + button_number), 0);
/*
* Read the state of the data so that it can be verified.
*/
button_state = XGpioPs_ReadPin(&(pDemo->gpio_driver), (PS_GPIO_USER_BUTTON_START + button_number));
return button_state;
}
/***************************************************************************//**
* @brief gpio_get_value
*******************************************************************************/
int32_t gpio_get_value(uint8_t pin, uint8_t *data)
{
#ifdef _XPARAMETERS_PS_H_
*data = XGpioPs_ReadPin(&gpio_instance, pin);
#else
uint32_t channel = 1;
uint32_t config = 0;
/* We assume that pin 32 is the first pin from channel 2 */
if (pin >= 32) {
channel = 2;
pin -= 32;
}
config = XGpio_DiscreteRead(&gpio_instance, channel);
*data = (config & (1 << pin)) ? 1 : 0;
#endif
return 0;
}
//////////////////////////// DAQ ////////////////////////////////
int DAQ(){
int buffsize; //BRAM buffer size
int dram_addr; // DRAM Address
XUartPs_SetOptions(&Uart_PS,XUARTPS_OPTION_RESET_RX);
Xil_Out32 (XPAR_AXI_DMA_0_BASEADDR + 0x48, 0xa000000); // DMA Transfer Step 1
Xil_Out32 (XPAR_AXI_DMA_0_BASEADDR + 0x58 , 65536); // DMA Transfer Step 2
sleep(1); // Built in Latency ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 s
ClearBuffers(); // Clear Buffers.
// Capture garbage in DRAM
for (dram_addr = 0xa000000; dram_addr <= 0xA004000; dram_addr+=4){Xil_In32(dram_addr);}
while(1){
buffsize = Xil_In32 (XPAR_AXI_GPIO_11_BASEADDR);
if (!sw) { sw = XGpioPs_ReadPin(&Gpio, SW_BREAK_GPIO); } //read pin
XUartPs_Recv(&Uart_PS, &RecvBuffer, 32);
if ( RecvBuffer[0] == 'q' ) { sw = 1; }
if(sw) { return sw; }
if(buffsize >= 4095){
//Xil_Out32 (XPAR_AXI_GPIO_18_BASEADDR, 0); // Disable Capture Module in FPGA
Xil_Out32 (XPAR_AXI_GPIO_15_BASEADDR, 1);
//sleep(10); // Built in Latency ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 10 s
Xil_Out32 (XPAR_AXI_DMA_0_BASEADDR + 0x48, 0xa000000);
Xil_Out32 (XPAR_AXI_DMA_0_BASEADDR + 0x58 , 65536);
sleep(1); // Built in Latency ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 s
Xil_Out32 (XPAR_AXI_GPIO_15_BASEADDR, 0);
//Xil_Out32(XPAR_AXI_GPIO_18_BASEADDR, 1);
ClearBuffers();
PrintData();
}
}
return sw;
}
int readPin (int pin)
{
int retVal = XGpioPs_ReadPin(&structXGpioPs, pin);
return (retVal);
}
/**
*
* This function does a minimal test on the GPIO device configured as OUTPUT.
*
* @param None.
*
* @return - XST_SUCCESS if the example has completed successfully.
* - XST_FAILURE if the example has failed.
*
* @note None.
*
****************************************************************************/
static int GpioOutputExample(void)
{
u32 Data;
volatile int Delay;
u32 LedLoop;
/*
* Set the direction for the pin to be output and
* Enable the Output enable for the LED Pin.
*/
XGpioPs_SetDirectionPin(&Gpio, OUTPUT_PIN, 1);
XGpioPs_SetOutputEnablePin(&Gpio, OUTPUT_PIN, 1);
/*
* Set the GPIO output to be low.
*/
XGpioPs_WritePin(&Gpio, OUTPUT_PIN, 0x0);
for (LedLoop = 0; LedLoop < LED_MAX_BLINK; LedLoop ++) {
#ifndef __SIM__
/*
* Wait a small amount of time so the LED is visible.
*/
for (Delay = 0; Delay < LED_DELAY; Delay++);
#endif
/*
* Set the GPIO Output to High.
*/
XGpioPs_WritePin(&Gpio, OUTPUT_PIN, 0x1);
/*
* Read the state of the data and verify. If the data
* read back is not the same as the data written then
* return FAILURE.
*/
Data = XGpioPs_ReadPin(&Gpio, OUTPUT_PIN);
if (Data != 1 ) {
return XST_FAILURE;
}
#ifndef __SIM__
/*
* Wait a small amount of time so the LED is visible.
*/
for (Delay = 0; Delay < LED_DELAY; Delay++);
#endif
/*
* Clear the GPIO Output.
*/
XGpioPs_WritePin(&Gpio, OUTPUT_PIN, 0x0);
/*
* Read the state of the data and verify. If the data
* read back is not the same as the data written then
* return FAILURE.
*/
Data = XGpioPs_ReadPin(&Gpio, OUTPUT_PIN);
if (Data != 0) {
return XST_FAILURE;
}
}
return XST_SUCCESS;
}
int main (void)
{
XGpio sw, led;
int i, pshb_check, sw_check;
XGpioPs_Config*GpioConfigPtr;
int xStatus;
int iPinNumberEMIO = 54;
u32 uPinDirectionEMIO = 0x0;
u32 uPinDirection = 0x1;
xil_printf("-- Start of the Program --\r\n");
// AXI GPIO switches Intialization
XGpio_Initialize(&sw, XPAR_SWITCHES_DEVICE_ID);
// AXI GPIO leds Intialization
XGpio_Initialize(&led, XPAR_LEDS_DEVICE_ID);
// PS GPIO Intialization
GpioConfigPtr = XGpioPs_LookupConfig(XPAR_PS7_GPIO_0_DEVICE_ID);
if(GpioConfigPtr == NULL)
return XST_FAILURE;
xStatus = XGpioPs_CfgInitialize(&psGpioInstancePtr,
GpioConfigPtr,
GpioConfigPtr->BaseAddr);
if(XST_SUCCESS != xStatus)
print(" PS GPIO INIT FAILED \n\r");
//PS GPIO pin setting to Output
XGpioPs_SetDirectionPin(&psGpioInstancePtr, iPinNumber,uPinDirection);
XGpioPs_SetOutputEnablePin(&psGpioInstancePtr, iPinNumber,1);
//EMIO PIN Setting to Input port
XGpioPs_SetDirectionPin(&psGpioInstancePtr,
iPinNumberEMIO,uPinDirectionEMIO);
XGpioPs_SetOutputEnablePin(&psGpioInstancePtr, iPinNumberEMIO,0);
xil_printf("-- Press BTNR (Zedboard) or BTN3 (Zybo) to see the LED light --\r\n");
xil_printf("-- Change slide switches to see corresponding output on LEDs --\r\n");
xil_printf("-- Set slide switches to 0x0F to exit the program --\r\n");
while (1)
{
sw_check = XGpio_DiscreteRead(&sw, 1);
XGpio_DiscreteWrite(&led, 1, sw_check);
pshb_check = XGpioPs_ReadPin(&psGpioInstancePtr,iPinNumberEMIO);
XGpioPs_WritePin(&psGpioInstancePtr,iPinNumber,pshb_check);
if((sw_check & 0x0f)==0x0F)
break;
for (i=0; i<9999999; i++); // delay loop
}
xil_printf("-- End of Program --\r\n");
#ifdef MULTIBOOT
// Driver Instantiations
XDcfg XDcfg_0;
u32 MultiBootReg = 0;
#define PS_RST_CTRL_REG (XPS_SYS_CTRL_BASEADDR + 0x200)
#define PS_RST_MASK 0x1 /* PS software reset */
#define SLCR_UNLOCK_OFFSET 0x08
// Initialize Device Configuration Interface
XDcfg_Config *Config = XDcfg_LookupConfig(XPAR_XDCFG_0_DEVICE_ID);
XDcfg_CfgInitialize(&XDcfg_0, Config, Config->BaseAddr);
MultiBootReg = 0; // Once done, boot the master image stored at 0xfc00_0000
Xil_Out32(0xF8000000 + SLCR_UNLOCK_OFFSET, 0xDF0DDF0D); // unlock SLCR
XDcfg_WriteReg(XDcfg_0.Config.BaseAddr, XDCFG_MULTIBOOT_ADDR_OFFSET, MultiBootReg); // write to multiboot reg
// synchronize
__asm__(
"dsb\n\t"
"isb"
);
Xil_Out32(PS_RST_CTRL_REG, PS_RST_MASK);
#endif
return 0;
}
