1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115

#include "xil_io.h"
#include "xparameters.h"
#include "xparameters_ps.h"
#include "xil_printf.h"
#include "xgpio.h"
#include "xgpiops.h"
#include "xuartps.h"
#include "xuartps_hw.h"
void PL_SW_INIT();
void PS_GPIO_INIT();
void delay_1s();
void led_on_off(u32 on);
void uart_init();
XGpio pl_sw;
XGpioPs ps_gpio;
XGpioPs_Config ps_gpio_config;
XUartPs uart;
XUartPs_Config uart_config;
void main()
{
    print("hello world\n");
    PL_SW_INIT();
    PS_GPIO_INIT();
    u32 pin12,pin13,pin14,pin15,pin47;
    u32 sw_cur,sw_last=0;
    u32 pl_sw_state;
   XGpio_DiscreteSet(&pl_sw,2,0xff);
    while(1)
    {  
      /*  led_on_off(1);
        delay_1s();
        led_on_off(0);
        delay_1s();*/
        pl_sw_state=XGpio_DiscreteRead(&pl_sw,1);
        XGpio_DiscreteWrite(&pl_sw,2,pl_sw_state);
        pin12=XGpioPs_ReadPin(&ps_gpio, 12);
        pin13=XGpioPs_ReadPin(&ps_gpio, 13);
        pin14=XGpioPs_ReadPin(&ps_gpio, 14);
        pin15=XGpioPs_ReadPin(&ps_gpio, 15);
        pin47=XGpioPs_ReadPin(&ps_gpio, 47);
        XGpioPs_WritePin(&ps_gpio, 7, pin47);
        XGpioPs_WritePin(&ps_gpio, 8, pin12);
        XGpioPs_WritePin(&ps_gpio, 9, pin14);
        XGpioPs_WritePin(&ps_gpio, 10, pin15);
        XGpioPs_WritePin(&ps_gpio, 11, pin13);
        sw_cur=XGpio_DiscreteRead(&pl_sw, 1);
       /* if(sw_cur&0x1==0x1)
        {
            led_on_off(1);
        }
        else {
            led_on_off(0);
        }*/
        if(sw_cur!=sw_last)
        {
            xil_printf("pl key is %x\n",sw_cur);
            sw_last=sw_cur;
        }
                
    }
    


}
void PL_SW_INIT()
{
    //初始化结构体
    XGpio_Initialize(&pl_sw, XPAR_AXI_GPIO_1_BASEADDR);
    //设置通道1，8位为输入模式
    XGpio_SetDataDirection(&pl_sw, 1,0xff);//1输入，0输出
    XGpio_SetDataDirection(&pl_sw, 2,0);
}

void PS_GPIO_INIT()
{
    XGpioPs_CfgInitialize(&ps_gpio, &ps_gpio_config,XPAR_XGPIOPS_0_BASEADDR);
    XGpioPs_SetDirectionPin(&ps_gpio, 12, 0);//0输入，1输出
    XGpioPs_SetDirectionPin(&ps_gpio, 13, 0);
    XGpioPs_SetDirectionPin(&ps_gpio, 14, 0);
    XGpioPs_SetDirectionPin(&ps_gpio, 15, 0);
    XGpioPs_SetDirectionPin(&ps_gpio, 47, 0);

    XGpioPs_SetDirectionPin(&ps_gpio, 7, 1);
    XGpioPs_SetOutputEnablePin(&ps_gpio,7,1);
    XGpioPs_SetDirectionPin(&ps_gpio, 8, 1);
    XGpioPs_SetOutputEnablePin(&ps_gpio,8,1);
    XGpioPs_SetDirectionPin(&ps_gpio, 9, 1);
    XGpioPs_SetOutputEnablePin(&ps_gpio,9,1);
    XGpioPs_SetDirectionPin(&ps_gpio, 10, 1);
    XGpioPs_SetOutputEnablePin(&ps_gpio,10,1);
    XGpioPs_SetDirectionPin(&ps_gpio, 11, 1);
    XGpioPs_SetOutputEnablePin(&ps_gpio,11,1);

}
void delay_1s()
{
    for(int i=0;i<1000000;i++)
    for(int j=0;j<100;j++);
}

void led_on_off(u32 on)
{
    
    XGpioPs_WritePin(&ps_gpio, 7, on);
    XGpioPs_WritePin(&ps_gpio, 8, on);
    XGpioPs_WritePin(&ps_gpio, 9, on);
    XGpioPs_WritePin(&ps_gpio, 10, on);
    XGpioPs_WritePin(&ps_gpio, 11, on);
}

void uart_init()
{
    XUartPs_CfgInitialize(&uart,&uart_config,XPS_UART1_BASEADDR);
    XUartPs_SetBaudRate(&uart,115200);
}