Zedboard in the OLED source code

#include <stdio.h> #include "platform.h" #include "xil_types.h" #include "xgpio.h" #include "xparameters.h" # Include "Xgpiops.h" #include "xil_io.h" #include "oled.h"//extern char inbyte (void);//Call inbyte receive a byte input function extern xgpiops  _config Xgpiops_configtable[xpar_xgpiops_num_instances];//intmain () {static xgpiops psgpioinstanceptr;  Xgpiops_config*gpioconfigptr;  Static Xgpio gpioinstance_ptr;  int xstatus,start,end;  U32 Readstatus1,readstatus2;  int iPinNumberld9 = 7; /*LD9 is connected to mio pin 7*/int iPinNumberbtn8 = 50;/*btn8 are connected to mio pin 50*/int iPinNumberbtn9 = 51;/*  Btn9 is connected to MIO pin 51*/int ipinnumberbtnu = 54;/*btnu are connected to Emio pin 54*/init_platform ();  Print ("##### application starts #####\n\r");  Print ("\ r \ n"); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//Step-1: AXI GPIO Initialization//~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #define XPAR_AXI_GPIO_0_DEVICE_ID 0/Define xstatus = Xgpio_initialize (&gpioinstance_ptr,xpar_axi_gpio_0_device_id) because there is no error.  if (xst_success! = xstatus) print ("GPIO INIT failed\n\r"); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//Step-2: AXI GPIO Set the Direction// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ XGpio_SetDataDirection (& Gpioinstance_ptr, 1, 1);//input//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//  Step-3:P s 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"); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//Step-4:P S GPIO pin setting to Output//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ XGpioPs_  Setdirectionpin (&psgpioinstanceptr, ipinnumberld9,1);  Xgpiops_setoutputenablepin (&psgpioinstanceptr, ipinnumberld9,1);  Xgpiops_setdirectionpin (&psgpioinstanceptr, ipinnumberbtn8,0);  Xgpiops_setoutputenablepin (&psgpioinstanceptr, ipinnumberbtn8,1);  Xgpiops_setdirectionpin (&psgpioinstanceptr, ipinnumberbtn9,0);  Xgpiops_setoutputenablepin (&psgpioinstanceptr, ipinnumberbtn9,1);  Xgpiops_setdirectionpin (&psgpioinstanceptr, ipinnumberbtnu,0);  Xgpiops_setoutputenablepin (&psgpioinstanceptr, ipinnumberbtnu,1); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//Step-5: OLED Intialization//~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Oled_init (); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//Step-6:p ress btn8 to start Demo//~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ oled_showstring (0,0, "BTN8 to start");  Oled_refresh_gram (); while (1) {Start=xgpiops_readpin (&psgpioinstanceptr, IPINNUMBERBTN8); if (start) {Xgpiops_writepin (& psgpioinstanceptr,ipinnumberld9,1);p rint ("###################### Demo starts ########################\r\n"); OLED_     Showstring (0,0, "DALE I Love U"), Oled_showstring (0,16, "Btnr to Go"), Oled_refresh_gram (); }end=xgpiops_readpin (&psgpioinstanceptr, IPINNUMBERBTN9); if (end) {Xgpiops_writepin (&psgpioinstanceptr,  ipinnumberld9,0); Oled_clear (); break;  }} while (1) {Readstatus1 = Xgpio_discreteread (&gpioinstance_ptr, 1);//Read BTNR if (READSTATUS1) {oled_showstring (0,0, "Does U love ME?"
"); Oled_showstring (0,16, "Btnu to Go"); Oled_refresh_gram (); Break }} while (1) {Readstatus2 = Xgpiops_readpin (&psgpioinstanceptr, IPINNUMBERBTNU);//Read BTNU if (READSTATUS2) {Oled_c   Lear ();   Oled_showstring (0,0, "HAHA BYE");   Oled_showstring (0,16, "BTN9 to End");   Oled_refresh_gram ();   } end=xgpiops_readpin (&psgpioinstanceptr, IPINNUMBERBTN9);   if (end) {Xgpiops_writepin (&psgpioinstanceptr,ipinnumberld9,0);   Oled_clear ();      Break  }} print ("\ r \ n");  Print ("***********\r\n");  Print ("BYE \ r \ n");  Print ("***********\r\n");  Cleanup_platform (); return 0;}

Zedboard in the OLED source code