Stoper/hello_widget.c

#include <stdbool.h>
#include <stdint.h>
#include <utils/ustdlib.h>
#include "driverlib/rom.h"
#include "driverlib/sysctl.h"
#include "grlib/grlib.h"
#include "grlib/widget.h"
#include "grlib/canvas.h"
#include "grlib/pushbutton.h"
#include "drivers/frame.h"
#include "drivers/kentec320x240x16_ssd2119.h"
#include "drivers/pinout.h"
#include "drivers/touch.h"
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "driverlib/interrupt.h"
#include "driverlib/timer.h"

extern tCanvasWidget g_sBackground;
extern tPushButtonWidget g_sPushBtn;
extern tPushButtonWidget g_sPushReset;

tContext g_sContext;
uint32_t g_ui32Flags;

const char Counter[6] = "Stoper";
char flagStart = 0;
unsigned int msec = 0;
unsigned int sec = 0;
unsigned int min = 0;
unsigned int hrs = 0;
char charTime[] = "00:00:00.0 ";

void stoperTick(void)
{
    msec++;

    if (msec == 10){
        msec = 0;
        sec++;
    }
    else if (sec == 60){
        sec = 0;
        min++;
    }
    else if (min == 60){
        min = 0;
        hrs++;
    }

}

//
void Timer0IntHandler(void)
{
    ROM_TimerIntClear(TIMER0_BASE, TIMER_TIMA_TIMEOUT);     // Clear the timer interrupt.

    if(flagStart == 1){
        stoperTick();                                       // zliczanie ms
    }

}

void OnButtonPress(tWidget *psWidget);  // The canvas widget acting as the background to the display.
void OnButtonReset(tWidget *psWidget);

Canvas(g_sBackground, WIDGET_ROOT, 0, &g_sPushBtn,
       &g_sKentec320x240x16_SSD2119, 10, 25, 300, (240 - 25 -10),
       CANVAS_STYLE_FILL, ClrBlack, 0, 0, 0, 0, 0, 0);

RectangularButton(g_sPushBtn, &g_sBackground, 0, &g_sPushReset,             // The button used to hide or display the "Hello World" message.
                  &g_sKentec320x240x16_SSD2119, 40, 140, 80, 40,
                  (PB_STYLE_OUTLINE | PB_STYLE_TEXT_OPAQUE | PB_STYLE_TEXT |
                   PB_STYLE_FILL | PB_STYLE_RELEASE_NOTIFY),
                   ClrDarkBlue, ClrBlue, ClrWhite, ClrWhite,
                   g_psFontCmss22b, "START", 0, 0, 0, 0, OnButtonPress);

RectangularButton(g_sPushReset, &g_sPushBtn, 0, 0,
                  &g_sKentec320x240x16_SSD2119, 180, 140, 80, 40,
                  (PB_STYLE_OUTLINE | PB_STYLE_TEXT_OPAQUE | PB_STYLE_TEXT |
                   PB_STYLE_FILL | PB_STYLE_RELEASE_NOTIFY),
                   ClrDarkRed, ClrRed, ClrWhite, ClrWhite,
                   g_psFontCmss22b, "RESET", 0, 0, 0, 0, OnButtonReset);

//*****************************************************************************
//*****************************************************************************
//
// A global we use to keep track of whether or not the "Hello" widget is
// currently visible.
//
//*****************************************************************************
bool g_bHelloVisible = false;

//*****************************************************************************
//
// The error routine that is called if the driver library encounters an error.
//
//*****************************************************************************
#ifdef DEBUG
void
__error__(char *pcFilename, uint32_t ui32Line)
{
}
#endif

//*****************************************************************************
//
// This function is called by the graphics library widget manager in the
// context of WidgetMessageQueueProcess whenever the user releases the
// "Press Me!" button.  We use this notification to display or hide the
// "Hello!" widget.
//
// This is actually a rather inefficient way to accomplish this but it's
// a good example of how to add and remove widgets dynamically.  In
// normal circumstances, you would likely leave the g_sHello widget
// linked into the tree and merely add or remove the text by changing
// its style then repainting.
//
// If using this dynamic add/remove strategy, another useful optimization
// is to use a black canvas widget that covers the same area of the screen
// as the widgets that you will be adding and removing.  If this is the used
// as the point in the tree where the subtree is added or removed, you can
// repaint just the desired area by repainting the black canvas rather than
// repainting the whole tree.
//
//*****************************************************************************
void OnButtonPress(tWidget *psWidget)   // funkcja obslugujaca przycisk start
{
    g_bHelloVisible = !g_bHelloVisible;

    if(g_bHelloVisible)
    {
        WidgetRemove((tWidget *)&g_sPushReset);
        flagStart = 1;
        PushButtonTextSet(&g_sPushBtn, "STOP");
        WidgetPaint(WIDGET_ROOT);
    }
    else
    {
        WidgetAdd((tWidget *)&g_sPushBtn, (tWidget *)&g_sPushReset);
        flagStart = 0;
        PushButtonTextSet(&g_sPushBtn, "START");
        WidgetPaint((tWidget *)&g_sPushBtn);
    }
}

void OnButtonReset(tWidget *psWidget)   // funkcja obslugujaca przycisk reset
{
    flagStart = 0;
    msec = 0;
    sec = 0;
    min = 0;
    hrs = 0;

}

int main(void)
{
    // Run from the PLL at 120 MHz.
    uint32_t ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
                                       SYSCTL_OSC_MAIN |
                                       SYSCTL_USE_PLL |
                                       SYSCTL_CFG_VCO_480), 120000000);

    // Konfiguracja wyswietlacza
    PinoutSet();                                              // Configure the device pins.
    Kentec320x240x16_SSD2119Init(ui32SysClock);               // Initialize the display driver.
    GrContextInit(&g_sContext, &g_sKentec320x240x16_SSD2119); // Initialize the graphics context.
    FrameDraw(&g_sContext, "StOpErEk");                       // Draw the application frame.
    TouchScreenInit(ui32SysClock);                            // Initialize the touch screen driver.
    TouchScreenCallbackSet(WidgetPointerMessage);             // Set the touch screen event handler.
    WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sBackground);        // Add the compile-time defined widgets to the widget tree.
    WidgetPaint(WIDGET_ROOT);                                 // Paint the widget tree to make sure they all appear on the display.

    // Konfiguracja timera
    ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
    ROM_IntMasterEnable();                                       // Enable processor interrupts.
    ROM_TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);         // Configure the two 32-bit periodic timers.
    ROM_TimerLoadSet(TIMER0_BASE, TIMER_A, ui32SysClock/10);
    ROM_IntEnable(INT_TIMER0A);                                  // Setup the interrupts for the timer timeouts.
    ROM_TimerIntEnable(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
    ROM_TimerEnable(TIMER0_BASE, TIMER_A);                       // Enable the timers

    while(1)
    {
        usprintf(charTime,"%02u:%02u:%02u.%01u ",hrs,min,sec,msec); // Convert unsigned ints to one char
        GrStringDraw(&g_sContext, charTime, -1, 140, 55, 1);        // Draw a stopwatch result
        WidgetMessageQueueProcess();                                // Process any messages from or for the widgets.
    }
}