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//*****************************************************************************
//
// grlib_demo.c - Demonstration of the TivaWare Graphics Library.
//
// Copyright (c) 2008-2014 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-TM4C123G Firmware Package.
//
//*****************************************************************************
#include <stdint.h>
#include <stdbool.h>
#include "inc/hw_sysctl.h"
#include "driverlib/rom.h"
#include "driverlib/sysctl.h"
#include "grlib/grlib.h"
#include "drivers/cfal96x64x16.h"
//*****************************************************************************
//
//! \addtogroup example_list
//! <h1>Graphics Library Demonstration (grlib_demo)</h1>
//!
//! This application provides a demonstration of the capabilities of the
//! TivaWare Graphics Library. The display will be configured to demonstrate
//! the available drawing primitives: lines, circles, rectangles, strings, and
//! images.
//
//*****************************************************************************
//*****************************************************************************
//
// Graphics context used to show text on the CSTN display.
//
//*****************************************************************************
tContext g_sContext;
//*****************************************************************************
//
// The image of the TI logo.
//
//*****************************************************************************
const uint8_t g_pui8Logo[] =
{
IMAGE_FMT_4BPP_COMP,
30, 0,
30, 0,
15,
0x00, 0x00, 0x00,
0x03, 0x02, 0x12,
0x06, 0x05, 0x2b,
0x0a, 0x08, 0x43,
0x0d, 0x0a, 0x57,
0x10, 0x0d, 0x69,
0x12, 0x0e, 0x76,
0x14, 0x10, 0x87,
0x17, 0x12, 0x96,
0x19, 0x14, 0xa6,
0x1b, 0x15, 0xb1,
0x1d, 0x17, 0xbe,
0x1e, 0x18, 0xc8,
0x21, 0x19, 0xd7,
0x23, 0x1b, 0xe4,
0x24, 0x1c, 0xed,
0x84, 0x02, 0x79, 0x88, 0x8a, 0x50, 0x07, 0x00, 0x00, 0x08, 0xdf, 0xff,
0xff, 0x80, 0x07, 0x00, 0x00, 0xbf, 0x90, 0x8a, 0x35, 0x30, 0x8f, 0xff,
0xff, 0x70, 0x01, 0x31, 0xef, 0xa0, 0x8f, 0x89, 0x03, 0xff, 0x60, 0x17,
0x90, 0x12, 0x33, 0x10, 0x17, 0xff, 0xff, 0xca, 0x13, 0x04, 0x98, 0x16,
0xa9, 0x9a, 0x60, 0x16, 0xff, 0x18, 0x04, 0xfd, 0x1d, 0xff, 0xff, 0x90,
0x16, 0xfc, 0x0b, 0x04, 0xf7, 0x2f, 0xff, 0xff, 0x80, 0x15, 0xfd, 0x84,
0x08, 0x1e, 0xf5, 0x28, 0xbf, 0x8f, 0xf7, 0x00, 0x4f, 0x00, 0xf4, 0x00,
0x6f, 0xff, 0x90, 0x00, 0x67, 0x66, 0x0a, 0x66, 0x66, 0xdf, 0xff, 0xa1,
0xf2, 0x51, 0xe2, 0x00, 0x00, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf6,
0x00, 0x30, 0x9f, 0xb0, 0x34, 0xef, 0xff, 0xfc, 0x20, 0x42, 0x0b, 0x8b,
0xff, 0xd0, 0xbf, 0x71, 0x42, 0x80, 0x22, 0x01, 0xbf, 0x0b, 0x82, 0xef,
0x42, 0x42, 0x70, 0x22, 0x00, 0x1b, 0x0b, 0x42, 0xff, 0x35, 0x8c, 0x02,
0x89, 0x13, 0x25, 0xff, 0x1a, 0x14, 0x00, 0xaf, 0x09, 0x04, 0xfe, 0x24,
0x86, 0x04, 0x8f, 0x09, 0x60, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xc5, 0x8f,
0xfb, 0x00, 0x00, 0x00, 0x00, 0x2f, 0xff, 0xfd, 0x73, 0x10, 0x00, 0x00,
0x04, 0x07, 0xfc, 0x10, 0x09, 0xfc, 0x89, 0x5f, 0xfe, 0x40, 0x51, 0x59,
0x00, 0x00, 0x21, 0x00, 0x01, 0xef, 0x06, 0x72, 0x22, 0x21, 0x9f, 0x92,
0x93, 0x6a, 0x7f, 0x08, 0xff, 0xee, 0xee, 0xfa, 0x97, 0x00, 0x2f, 0xff,
0x12, 0xff, 0xff, 0xd1, 0x8f, 0x00, 0x08, 0x89, 0x50, 0x94, 0x17, 0x00,
0x02, 0x11, 0x20, 0x17, 0x00, 0x00, 0x61, 0x4f, 0x8f, 0x03, 0x05, 0xff,
0xff, 0x50, 0x17, 0x8c, 0x01, 0x3a, 0xdd, 0x60, 0x8f, 0x01, 0x04, 0x88,
0x70, 0x40, 0x17, 0x47, 0x77
};
//*****************************************************************************
//
// The error routine that is called if the driver library encounters an error.
//
//*****************************************************************************
#ifdef DEBUG
void
__error__(char *pcFilename, uint32_t ui32Line)
{
}
#endif
//*****************************************************************************
//
// A simple demonstration of the features of the TivaWare Graphics Library.
//
//*****************************************************************************
int
main(void)
{
uint32_t ui32Idx;
tRectangle sRect;
//
// Enable lazy stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
ROM_FPULazyStackingEnable();
//
// Set the clocking to run from the PLL.
//
ROM_SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ |
SYSCTL_OSC_MAIN);
//
// Initialize the display driver.
//
CFAL96x64x16Init();
//
// Initialize the graphics context.
//
GrContextInit(&g_sContext, &g_sCFAL96x64x16);
//
// Fill the top 12 rows of the screen with blue to create the banner.
//
sRect.i16XMin = 0;
sRect.i16YMin = 0;
sRect.i16XMax = GrContextDpyWidthGet(&g_sContext) - 1;
sRect.i16YMax = 11;
GrContextForegroundSet(&g_sContext, ClrDarkBlue);
GrRectFill(&g_sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&g_sContext, ClrWhite);
GrRectDraw(&g_sContext, &sRect);
//
// Put the application name in the middle of the banner.
//
GrContextFontSet(&g_sContext, g_psFontFixed6x8);
GrStringDrawCentered(&g_sContext, "grlib_demo", -1,
GrContextDpyWidthGet(&g_sContext) / 2, 5, 0);
//
// Draw a vertical sweep of lines from red to green.
//
for(ui32Idx = 0; ui32Idx <= 8; ui32Idx++)
{
GrContextForegroundSet(&g_sContext,
(((((10 - ui32Idx) * 255) / 8) << ClrRedShift) |
(((ui32Idx * 255) / 8) << ClrGreenShift)));
GrLineDraw(&g_sContext, 60, 60, 0, 60 - (5 * ui32Idx));
}
//
// Draw a horizontal sweep of lines from green to blue.
//
for(ui32Idx = 1; ui32Idx <= 11; ui32Idx++)
{
GrContextForegroundSet(&g_sContext,
(((((11 - ui32Idx) * 255) / 11) <<
ClrGreenShift) |
(((ui32Idx * 255) / 11) << ClrBlueShift)));
GrLineDraw(&g_sContext, 60, 60, (ui32Idx * 5), 20);
}
//
// Draw a filled circle with an overlapping circle.
//
GrContextForegroundSet(&g_sContext, ClrBlue);
GrCircleFill(&g_sContext, 80, 30, 15);
GrContextForegroundSet(&g_sContext, ClrWhite);
GrCircleDraw(&g_sContext, 80, 30, 15);
//
// Draw a filled rectangle with an overlapping rectangle.
//
GrContextForegroundSet(&g_sContext, ClrGray);
sRect.i16XMin = 8;
sRect.i16YMin = 45;
sRect.i16XMax = 46;
sRect.i16YMax = 51;
GrRectFill(&g_sContext, &sRect);
GrContextForegroundSet(&g_sContext, ClrWhite);
sRect.i16XMin += 4;
sRect.i16YMin += 4;
sRect.i16XMax += 4;
sRect.i16YMax += 4;
GrRectDraw(&g_sContext, &sRect);
//
// Draw a piece of text in fonts of increasing size.
//
GrContextForegroundSet(&g_sContext, ClrBlack);
GrStringDraw(&g_sContext, "Strings", -1, 6, 16, 0);
GrContextForegroundSet(&g_sContext, ClrSilver);
GrStringDraw(&g_sContext, "Strings", -1, 7, 17, 0);
//
// Draw an image.
//
GrTransparentImageDraw(&g_sContext, g_pui8Logo, 64, 34, ClrBlack);
#if 0
GrImageDraw(&g_sContext, g_pui8Logo, 64, 34);
#endif
//
// Flush any cached drawing operations.
//
GrFlush(&g_sContext);
//
// Loop forever.
//
while(1)
{
}
}
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