//*****************************************************************************
//
// Handles paint requests for the firmware update canvas widget.
//
//*****************************************************************************
void
OnFirmwarePaint(tWidget *pWidget, tContext *pContext)
{
unsigned long ulLines;
long lLineHeight, lOffset;
lLineHeight = GrFontHeightGet(FONT_14PT);
lOffset = 32;
//
// Display the firmware update instruction text in the canvas.
//
GrContextFontSet(pContext, FONT_14PT);
GrContextForegroundSet(pContext, ClrSilver);
GrStringGet(STR_UPDATE_TEXT, g_pcBuffer, SCOMP_MAX_STRLEN);
ulLines = DrawStringWrapped(pContext, g_pcBuffer, lLineHeight, 1, lOffset,
g_pLanguageTable[g_ulLangIdx].bBreakOnSpace );
//
// Move down by 1/4 of a line.
//
lOffset += lLineHeight/4;
//
// Format the UART setting information string
//
GrStringGet(STR_UART, g_pcBuffer, SCOMP_MAX_STRLEN);
GrStringDraw(pContext, g_pcBuffer, -1, 1,
lOffset + (ulLines * lLineHeight), 0);
}
//*****************************************************************************
//
// Handles paint requests for the introduction canvas widget.
//
//*****************************************************************************
void
OnIntroPaint(tWidget *psWidget, tContext *psContext)
{
int32_t i32LineHeight, i32Offset;
uint32_t ui32Lines;
i32LineHeight = GrFontHeightGet(FONT_14PT);
i32Offset = 28;
//
// Display the introduction text in the canvas.
//
GrContextFontSet(psContext, FONT_14PT);
GrContextForegroundSet(psContext, ClrSilver);
//
// Write the first paragraph of the introduction page.
//
GrStringGet(STR_INTRO_1, g_pcBuffer, SCOMP_MAX_STRLEN);
ui32Lines = DrawStringWrapped(psContext, g_pcBuffer, i32LineHeight, 8,
i32Offset,
g_psLanguageTable[g_ui32LangIdx].bBreakOnSpace);
//
// Move down by 1/4 of a line between paragraphs.
//
i32Offset += i32LineHeight/4;
//
// Write the second paragraph of the introduction page.
//
GrStringGet(STR_INTRO_2, g_pcBuffer, SCOMP_MAX_STRLEN);
ui32Lines += DrawStringWrapped(psContext, g_pcBuffer, i32LineHeight, 8,
i32Offset + (ui32Lines * i32LineHeight),
g_psLanguageTable[g_ui32LangIdx].bBreakOnSpace);
//
// Move down by 1/4 of a line between paragraphs.
//
i32Offset += i32LineHeight/4;
//
// Write the third paragraph of the introduction page.
//
GrStringGet(STR_INTRO_3, g_pcBuffer, SCOMP_MAX_STRLEN);
DrawStringWrapped(psContext, g_pcBuffer, i32LineHeight, 8, i32Offset +
(ui32Lines * i32LineHeight),
g_psLanguageTable[g_ui32LangIdx].bBreakOnSpace );
}
//*****************************************************************************
//
// Handles paint requests for the introduction canvas widget.
//
//*****************************************************************************
void
OnIntroPaint(tWidget *pWidget, tContext *pContext)
{
long lLineHeight, lOffset;
unsigned long ulLines;
lLineHeight = GrFontHeightGet(FONT_14PT);
lOffset = 32;
//
// Display the introduction text in the canvas.
//
GrContextFontSet(pContext, FONT_14PT);
GrContextForegroundSet(pContext, ClrSilver);
//
// Write the first paragraph of the introduction page.
//
GrStringGet(STR_INTRO_1, g_pcBuffer, SCOMP_MAX_STRLEN);
ulLines = DrawStringWrapped(pContext, g_pcBuffer, lLineHeight, 1,
lOffset,
g_pLanguageTable[g_ulLangIdx].bBreakOnSpace );
//
// Move down by 1/4 of a line between paragraphs.
//
lOffset += lLineHeight/4;
//
// Write the second paragraph of the introduction page.
//
GrStringGet(STR_INTRO_2, g_pcBuffer, SCOMP_MAX_STRLEN);
ulLines += DrawStringWrapped(pContext, g_pcBuffer, lLineHeight, 1,
lOffset + (ulLines * lLineHeight),
g_pLanguageTable[g_ulLangIdx].bBreakOnSpace );
//
// Move down by 1/4 of a line between paragraphs.
//
lOffset += lLineHeight/4;
//
// Write the third paragraph of the introduction page.
//
GrStringGet(STR_INTRO_3, g_pcBuffer, SCOMP_MAX_STRLEN);
DrawStringWrapped(pContext, g_pcBuffer, lLineHeight, 1, lOffset +
(ulLines * lLineHeight),
g_pLanguageTable[g_ulLangIdx].bBreakOnSpace );
}
//*****************************************************************************
//
// Switch out all of the dynamic strings.
//
//*****************************************************************************
void
ChangeLanguage(uint16_t ui16Language)
{
//
// Change the language.
//
GrStringLanguageSet(ui16Language);
//
// Update the Language string.
//
GrStringGet(STR_LANGUAGE, g_pcLanguage, LANGUAGE_MAX_SIZE);
//
// Update the title string.
//
GrStringGet(g_ui32PanelNames[g_ui32Panel], g_pcTitle, TITLE_MAX_SIZE);
}
//*****************************************************************************
//
// Switch out all of the dynamic strings.
//
//*****************************************************************************
void
ChangeLanguage(unsigned short usLanguage)
{
//
// Change the language.
//
GrStringLanguageSet(usLanguage);
//
// Update the Language string.
//
GrStringGet(STR_LANGUAGE, g_pcLanguage, LANGUAGE_MAX_SIZE);
//
// Update the Update button.
//
GrStringGet(STR_UPDATE, g_pcUpdateButton, UPDATE_BUTTON_MAX_SIZE);
//
// Update the title string.
//
GrStringGet(g_ulPanelNames[g_ulPanel], g_pcTitle, TITLE_MAX_SIZE);
}
//*****************************************************************************
//
// Handles press notifications for the push button widgets.
//
//*****************************************************************************
void
OnFirmwareUpdate(tWidget *pWidget)
{
//
// Play the key click sound.
//
SoundPlay(g_pusKeyClick, sizeof(g_pusKeyClick) / 2);
//
// Change the button text to show that the update is starting
//
GrStringGet(STR_UPDATING, g_pcUpdateButton, UPDATE_BUTTON_MAX_SIZE);
WidgetPaint((tWidget *)&g_sFirmwareUpdateBtn);
//
// Trigger a software update
//
g_bFirmwareUpdate = true;
}
//*****************************************************************************
//
// A simple demonstration of the features of the TivaWare Graphics Library.
//
//*****************************************************************************
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);
//
// Set graphics library text rendering defaults.
//
GrLibInit(&GRLIB_INIT_STRUCT);
//
// Set the string table and the default language.
//
GrStringTableSet(STRING_TABLE);
//
// Set the default language.
//
ChangeLanguage(GrLangEnUS);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
//
// Draw the application frame.
//
FrameDraw(&sContext, "lang-demo");
//
// Load the static strings from the string table. These strings are
// independent of the language in use but we store them in the string
// table nonetheless since (a) we may be using codepage remapping in
// which case it would be difficult to hardcode them into the app source
// anyway (ASCII or ISO8859-1 text would not render properly with the
// remapped custom font) and (b) even if we're not using codepage remapping,
// we may have generated a custom font from the string table output and
// we want to make sure that all glyphs required by the application are
// present in that font. If we hardcode some text in the application
// source and don't put it in the string table, we run the risk of having
// characters missing in the font.
//
GrStringGet(STR_ENGLISH, g_pcEnglish, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_DEUTSCH, g_pcDeutsch, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_ESPANOL, g_pcEspanol, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_ITALIANO, g_pcItaliano, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_CHINESE, g_pcChinese, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_KOREAN, g_pcKorean, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_JAPANESE, g_pcJapanese, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_PLUS, g_pcPlus, 2);
GrStringGet(STR_MINUS, g_pcMinus, 2);
//
// Initialize the touch screen driver and have it route its messages to the
// widget tree.
//
TouchScreenInit(ui32SysClock);
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the title block and the previous and next buttons to the widget
// tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sPrevious);
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sTitle);
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sNext);
//
// Add the first panel to the widget tree.
//
g_ui32Panel = 0;
WidgetAdd(WIDGET_ROOT, (tWidget *)g_psPanels);
//
// Set the string for the title.
//
CanvasTextSet(&g_sTitle, g_pcTitle);
//
// Issue the initial paint request to the widgets.
//
WidgetPaint(WIDGET_ROOT);
//
// Loop forever, processing widget messages.
//
while(1)
{
//
// Process any messages in the widget message queue.
//
WidgetMessageQueueProcess();
}
}
//*****************************************************************************
//
// Handles presses of the next panel button.
//
//*****************************************************************************
void
OnNext(tWidget *psWidget)
{
//
// There is nothing to be done if the last panel is already being
// displayed.
//
if(g_ui32Panel == (NUM_PANELS - 1))
{
return;
}
//
// Remove the current panel.
//
WidgetRemove((tWidget *)(g_psPanels + g_ui32Panel));
//
// Increment the panel index.
//
g_ui32Panel++;
//
// Add and draw the new panel.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)(g_psPanels + g_ui32Panel));
WidgetPaint((tWidget *)(g_psPanels + g_ui32Panel));
//
// Set the title of this panel.
//
GrStringGet(g_ui32PanelNames[g_ui32Panel], g_pcTitle, TITLE_MAX_SIZE);
WidgetPaint((tWidget *)&g_sTitle);
//
// See if the previous panel was the first panel.
//
if(g_ui32Panel == 1)
{
//
// Display the previous button.
//
PushButtonImageOn(&g_sPrevious);
PushButtonTextOn(&g_sPrevious);
PushButtonFillOff(&g_sPrevious);
WidgetPaint((tWidget *)&g_sPrevious);
}
//
// See if this is the last panel.
//
if(g_ui32Panel == (NUM_PANELS - 1))
{
//
// Clear the next button from the display since the last panel is being
// displayed.
//
PushButtonImageOff(&g_sNext);
PushButtonTextOff(&g_sNext);
PushButtonFillOn(&g_sNext);
WidgetPaint((tWidget *)&g_sNext);
}
}
//*****************************************************************************
//
// A simple demonstration of the features of the Stellaris Graphics Library.
//
//*****************************************************************************
int
main(void)
{
tContext sContext;
tRectangle sRect;
//
// If running on Rev A2 silicon, turn the LDO voltage up to 2.75V. This is
// a workaround to allow the PLL to operate reliably.
//
if(REVISION_IS_A2)
{
SysCtlLDOSet(SYSCTL_LDO_2_75V);
}
//
// Set the clocking to run from the PLL.
//
SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Initialize the display driver.
//
Kitronix320x240x16_SSD2119Init();
//
// Turn on the backlight.
//
Kitronix320x240x16_SSD2119BacklightOn(255);
//
// Set graphics library text rendering defaults.
//
GrLibInit(&GRLIB_INIT_STRUCT);
//
// Set the string table and the default language.
//
GrStringTableSet(STRING_TABLE);
//
// Set the default language.
//
ChangeLanguage(GrLangEnUS);
//
// Initialize the graphics context.
//
GrContextInit(&sContext, &g_sKitronix320x240x16_SSD2119);
//
// Fill the top 26 rows of the screen with blue to create the banner.
//
sRect.sXMin = 0;
sRect.sYMin = 0;
sRect.sXMax = GrContextDpyWidthGet(&sContext) - 1;
sRect.sYMax = 25;
GrContextForegroundSet(&sContext, ClrDarkBlue);
GrRectFill(&sContext, &sRect);
//
// Put a white box around the banner.
//
GrContextForegroundSet(&sContext, ClrWhite);
GrRectDraw(&sContext, &sRect);
//
// Load the static strings from the string table. These strings are
// independent of the language in use but we store them in the string
// table nonetheless since (a) we may be using codepage remapping in
// which case it would be difficult to hardcode them into the app source
// anyway (ASCII or ISO8859-1 text would not render properly with the
// remapped custom font) and (b) even if we're not using codepage remapping,
// we may have generated a custom font from the string table output and
// we want to make sure that all glyphs required by the application are
// present in that font. If we hardcode some text in the application
// source and don't put it in the string table, we run the risk of having
// characters missing in the font.
//
GrStringGet(STR_ENGLISH, g_pcEnglish, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_DEUTSCH, g_pcDeutsch, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_ESPANOL, g_pcEspanol, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_ITALIANO, g_pcItaliano, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_CHINESE, g_pcChinese, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_KOREAN, g_pcKorean, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_JAPANESE, g_pcJapanese, MAX_LANGUAGE_NAME_LEN);
GrStringGet(STR_PLUS, g_pcPlus, 2);
GrStringGet(STR_MINUS, g_pcMinus, 2);
//
// Put the application name in the middle of the banner.
//
GrStringGet(STR_APPNAME, g_pcBuffer, SCOMP_MAX_STRLEN);
GrContextFontSet(&sContext, FONT_20PT);
GrStringDrawCentered(&sContext, g_pcBuffer, -1,
GrContextDpyWidthGet(&sContext) / 2, 10, 0);
//
// Initialize the sound driver.
//
SoundInit();
//
// Initialize the touch screen driver and have it route its messages to the
// widget tree.
//
TouchScreenInit();
TouchScreenCallbackSet(WidgetPointerMessage);
//
// Add the title block and the previous and next buttons to the widget
// tree.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sPrevious);
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sTitle);
WidgetAdd(WIDGET_ROOT, (tWidget *)&g_sNext);
//
// Add the first panel to the widget tree.
//
g_ulPanel = 0;
WidgetAdd(WIDGET_ROOT, (tWidget *)g_psPanels);
//
// Set the string for the title.
//
CanvasTextSet(&g_sTitle, g_pcTitle);
//
// Initialize the pointer to the button text.
//
PushButtonTextSet(&g_sFirmwareUpdateBtn, g_pcUpdateButton);
//
// Issue the initial paint request to the widgets.
//
WidgetPaint(WIDGET_ROOT);
//
// Loop forever unless we receive a signal that a firmware update has been
// requested.
//
while(!g_bFirmwareUpdate)
{
//
// Process any messages in the widget message queue.
//
WidgetMessageQueueProcess();
}
//
// If we drop out, a firmware update request has been made. We call
// WidgetMessageQueueProcess once more to ensure that any final messages
// are processed then jump into the bootloader.
//
WidgetMessageQueueProcess();
//
// Wait a while for the last keyboard click sound to finish. This is about
// 500mS since the delay loop is 3 cycles long.
//
SysCtlDelay(SysCtlClockGet() / 6);
//
// Pass control to the bootloader.
//
JumpToBootLoader();
//
// The boot loader should take control, so this should never be reached.
// Just in case, loop forever.
//
while(1)
{
}
}
//*****************************************************************************
//
// Handles presses of the previous panel button.
//
//*****************************************************************************
void
OnPrevious(tWidget *pWidget)
{
//
// There is nothing to be done if the first panel is already being
// displayed.
//
if(g_ulPanel == 0)
{
return;
}
//
// Remove the current panel.
//
WidgetRemove((tWidget *)(g_psPanels + g_ulPanel));
//
// Decrement the panel index.
//
g_ulPanel--;
//
// Add and draw the new panel.
//
WidgetAdd(WIDGET_ROOT, (tWidget *)(g_psPanels + g_ulPanel));
WidgetPaint((tWidget *)(g_psPanels + g_ulPanel));
//
// Set the title of this panel.
//
GrStringGet(g_ulPanelNames[g_ulPanel], g_pcTitle, TITLE_MAX_SIZE);
WidgetPaint((tWidget *)&g_sTitle);
//
// See if this is the first panel.
//
if(g_ulPanel == 0)
{
//
// Clear the previous button from the display since the first panel is
// being displayed.
//
PushButtonImageOff(&g_sPrevious);
PushButtonTextOff(&g_sPrevious);
PushButtonFillOn(&g_sPrevious);
WidgetPaint((tWidget *)&g_sPrevious);
}
//
// See if the previous panel was the last panel.
//
if(g_ulPanel == (NUM_PANELS - 2))
{
//
// Display the next button.
//
PushButtonImageOn(&g_sNext);
PushButtonTextOn(&g_sNext);
PushButtonFillOff(&g_sNext);
WidgetPaint((tWidget *)&g_sNext);
}
//
// Play the key click sound.
//
SoundPlay(g_pusKeyClick, sizeof(g_pusKeyClick) / 2);
}