From c3e4c9a25c2910d2d66d52215b3406b13d5b23d5 Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Sun, 29 Jun 2014 12:34:32 +0300 Subject: Add more board models --- boards/dk-tm4c129x/hello_widget/hello_widget.c | 258 +++++++++++++++++++++++++ 1 file changed, 258 insertions(+) create mode 100644 boards/dk-tm4c129x/hello_widget/hello_widget.c (limited to 'boards/dk-tm4c129x/hello_widget/hello_widget.c') diff --git a/boards/dk-tm4c129x/hello_widget/hello_widget.c b/boards/dk-tm4c129x/hello_widget/hello_widget.c new file mode 100644 index 0000000..0752033 --- /dev/null +++ b/boards/dk-tm4c129x/hello_widget/hello_widget.c @@ -0,0 +1,258 @@ +//***************************************************************************** +// +// hello_widget.c - Simple hello world example using Widgets +// +// Copyright (c) 2013-2014 Texas Instruments Incorporated. All rights reserved. +// Software License Agreement +// +// Texas Instruments (TI) is supplying this software for use solely and +// exclusively on TI's microcontroller products. The software is owned by +// TI and/or its suppliers, and is protected under applicable copyright +// laws. You may not combine this software with "viral" open-source +// software in order to form a larger program. +// +// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS. +// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT +// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY +// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL +// DAMAGES, FOR ANY REASON WHATSOEVER. +// +// This is part of revision 2.1.0.12573 of the DK-TM4C129X Firmware Package. +// +//***************************************************************************** + +#include +#include +#include "driverlib/rom.h" +#include "driverlib/rom_map.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" + +//***************************************************************************** +// +//! \addtogroup example_list +//!

Hello using Widgets (hello_widget)

+//! +//! A very simple ``hello world'' example written using the TivaWare Graphics +//! Library widgets. It displays a button which, when pressed, toggles +//! display of the words ``Hello World!'' on the screen. This may be used as +//! a starting point for more complex widget-based applications. +// +//***************************************************************************** + +//***************************************************************************** +// +// Forward reference to various widget structures. +// +//***************************************************************************** +extern tCanvasWidget g_sBackground; +extern tPushButtonWidget g_sPushBtn; + +//***************************************************************************** +// +// Forward reference to the button press handler. +// +//***************************************************************************** +void OnButtonPress(tWidget *psWidget); + +//***************************************************************************** +// +// The canvas widget acting as the background to the display. +// +//***************************************************************************** +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); + +//***************************************************************************** +// +// The button used to hide or display the "Hello World" message. +// +//***************************************************************************** +RectangularButton(g_sPushBtn, &g_sBackground, 0, 0, + &g_sKentec320x240x16_SSD2119, 60, 60, 200, 40, + (PB_STYLE_OUTLINE | PB_STYLE_TEXT_OPAQUE | PB_STYLE_TEXT | + PB_STYLE_FILL | PB_STYLE_RELEASE_NOTIFY), + ClrDarkBlue, ClrBlue, ClrWhite, ClrWhite, + g_psFontCmss22b, "Show Welcome", 0, 0, 0, 0, OnButtonPress); + +//***************************************************************************** +// +// The canvas widget used to display the "Hello!" string. Note that this +// is NOT hooked into the active widget tree (by making it a child of the +// g_sPushBtn widget above) yet since we do not want the widget to be displayed +// until the button is pressed. +// +//***************************************************************************** +Canvas(g_sHello, &g_sPushBtn, 0, 0, + &g_sKentec320x240x16_SSD2119, 10, 150, 300, 40, + (CANVAS_STYLE_FILL | CANVAS_STYLE_TEXT), + ClrBlack, 0, ClrWhite, g_psFontCm40, "Hello World!", 0, 0); + +//***************************************************************************** +// +// 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) +{ + g_bHelloVisible = !g_bHelloVisible; + + if(g_bHelloVisible) + { + // + // Add the Hello widget to the tree as a child of the push + // button. We could add it elsewhere but this seems as good a + // place as any. It also means we can repaint from g_sPushBtn and + // this will paint both the button and the welcome message. + // + WidgetAdd((tWidget *)&g_sPushBtn, (tWidget *)&g_sHello); + + // + // Change the button text to indicate the new function. + // + PushButtonTextSet(&g_sPushBtn, "Hide Welcome"); + + // + // Repaint the pushbutton and all widgets beneath it (in this case, + // the welcome message). + // + WidgetPaint((tWidget *)&g_sPushBtn); + } + else + { + // + // Remove the Hello widget from the tree. + // + WidgetRemove((tWidget *)&g_sHello); + + // + // Change the button text to indicate the new function. + // + PushButtonTextSet(&g_sPushBtn, "Show Welcome"); + + // + // Repaint the widget tree to remove the Hello widget from the + // display. This is rather inefficient but saves having to use + // additional widgets to overpaint the area of the Hello text (since + // disabling a widget does not automatically erase whatever it + // previously displayed on the screen). + // + WidgetPaint(WIDGET_ROOT); + } +} + +//***************************************************************************** +// +// Print "Hello World!" to the display on the Intelligent Display Module. +// +//***************************************************************************** +int +main(void) +{ + tContext sContext; + uint32_t ui32SysClock; + + // + // Run from the PLL at 120 MHz. + // + ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ | + SYSCTL_OSC_MAIN | SYSCTL_USE_PLL | + SYSCTL_CFG_VCO_480), 120000000); + + // + // Configure the device pins. + // + PinoutSet(); + + // + // Initialize the display driver. + // + Kentec320x240x16_SSD2119Init(ui32SysClock); + + // + // Initialize the graphics context. + // + GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119); + + // + // Draw the application frame. + // + FrameDraw(&sContext, "hello-widget"); + + // + // Initialize the touch screen driver. + // + TouchScreenInit(ui32SysClock); + + // + // Set the touch screen event handler. + // + TouchScreenCallbackSet(WidgetPointerMessage); + + // + // Add the compile-time defined widgets to the widget tree. + // + WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sBackground); + + // + // Paint the widget tree to make sure they all appear on the display. + // + WidgetPaint(WIDGET_ROOT); + + // + // Loop forever, processing widget messages. + // + while(1) + { + // + // Process any messages from or for the widgets. + // + WidgetMessageQueueProcess(); + } +} -- cgit v1.3.1