void GLCD_DrawO(int row, int col)
{
Point points[] = {
{0,17}, {0,16}, {0,15}, {0,14}, {0,13},
{1,12}, {1,11}, {1,10},
{2,10}, {2, 9}, {2, 8},
{3, 8}, {3, 7},
{4, 6},
{5, 5},
{6, 4},
{7, 3}, {8, 3},
{8, 2}, {9, 2}, {10,2},
{10,1}, {11,1}, {12,1},
{13,0}, {14,0}, {15,0}, {16,0}, {17,0}
};
int len_points = 29;
int i;
for (i = 0; i < len_points; i++)
{
// upper left quadrant
GLCD_PutPixel(rows[row] + points[i].x, cols[col] + points[i].y);
// upper right
GLCD_PutPixel(rows[row] + LETTERDIM - points[i].x, cols[col] + points[i].y);
// lower left
GLCD_PutPixel(rows[row] + points[i].x, cols[col] + LETTERDIM - points[i].y);
// lower right
GLCD_PutPixel(rows[row] + LETTERDIM - points[i].x, cols[col] + LETTERDIM - points[i].y);
}
}
void KEN_draw_straightlineY( int x0, int y0, int y1){
// first obtain absolute distance
int dy = y0<y1 ? (y1-y0) : (y0-y1); // basically dx=abs(y1-y0)
int k = dy/2+1; // Get k value to get distance by 2.
while(k>0) {
GLCD_PutPixel(x0,y0); // Put pixels from one direction
GLCD_PutPixel(x0,y1); // Put pixels from opposite direction
y1--; // decrement in one direction
y0++; // increment on other direction
k--;
}
}
void Draw_straightlineX( int x0, int y0, int x1){
// first obtain absolute distance
int dx = x0<x1 ? (x1-x0) : (x0-x1); // basically dx=abs(x1-x0)
int k = dx/2+1; // Get k value to get distance by 2.
while(k>0) {
// call of GCLD function;
GLCD_PutPixel(x0,y0); // Put pixels from one direction
GLCD_PutPixel(x1,y0); // Put pixels from opposite direction
x1--; // decrement in one direction
x0++; // increment on other direction
k--;
}
}
/*******************************************************************************
* Draw a line at specified coordinates (x,y) with specified length (len) in *
* given direction (dir). *
* Parameter: x: x position *
* y: y position *
* len: length *
* dir: direction *
* Return: *
*******************************************************************************/
void GLCD_DrawLine (unsigned int x, unsigned int y, unsigned int len, unsigned int dir) {
uint32_t i;
if (dir == 0) { /* Vertical line */
for (i = 0; i < len; i++) {
GLCD_PutPixel (x, y + i);
}
}
else { /* Horizontal line */
for (i = 0; i < len; i++) {
GLCD_PutPixel (x + i, y);
}
}
}
void GLCD_DrawBoard(void)
{
int w, h;
for (w = 0 + W_OFFSET; w < BOARD_WIDTH + W_OFFSET; w++)
{
for (h = 0 + H_OFFSET; h < BOARD_HEIGHT + H_OFFSET; h++)
{
if (w == (SPACER * 2 + LETTERDIM + 1 + W_OFFSET) || w == ((SPACER * 2 + LETTERDIM) * 2 + 1 + W_OFFSET) )
GLCD_PutPixel(w, h);
else if (h == (SPACER * 2 + LETTERDIM + 1 + H_OFFSET) || h == ((SPACER * 2 + LETTERDIM) * 2 + 1 + H_OFFSET) )
GLCD_PutPixel(w, h);
else
GLCD_ClearPixel(w, h);
}
}
}
void GLCD_DrawX(int row, int col)
{
int w, h;
for (w = 0; w < LETTERDIM; w++)
{
for (h = 0; h < LETTERDIM; h++)
{
if (w == h || w + h == LETTERDIM - 1)
GLCD_PutPixel(w + cols[col], h + rows[row]);
}
}
}
void Draw_lineXY( int x0, int y0,int x1,int y1, int t,int s){
int i,d;
y1>y0 ? (d = 1) : (d = 2);
while(x0<=x1 & y0!=y1)
{
i = 0;
while(i < t){
GLCD_PutPixel(x0+i,y0); // Put pixels
i++;
}
if(d == 1){
y0++;
}
else if(d == 2){
y0--;
}
x0 = x0 + s;
}
}
// This is the actual task that is run
static portTASK_FUNCTION( vLCDUpdateTask, pvParameters )
{
#if LCD_EXAMPLE_OP==0
unsigned short screenColor = 0;
unsigned short tscr;
unsigned char curLine;
unsigned timerCount = 0;
int xoffset = 0, yoffset = 0;
unsigned int xmin=0, xmax=0, ymin=0, ymax=0;
unsigned int x, y;
int i, j;
float hue=0, sat=0.2, light=0.2;
#elif LCD_EXAMPLE_OP==1
unsigned char picIndex = 0;
#else
Bad definition
#endif
vtLCDMsg msgBuffer;
vtLCDStruct *lcdPtr = (vtLCDStruct *) pvParameters;
#ifdef INSPECT_STACK
// This is meant as an example that you can re-use in your own tasks
// Inspect to the stack remaining to see how much room is remaining
// 1. I'll check it here before anything really gets started
// 2. I'll check during the run to see if it drops below 10%
// 3. You could use break points or logging to check on this, but
// you really don't want to print it out because printf() can
// result in significant stack usage.
// 4. Note that this checking is not perfect -- in fact, it will not
// be able to tell how much the stack grows on a printf() call and
// that growth can be *large* if version 1 of printf() is used.
unsigned portBASE_TYPE InitialStackLeft = uxTaskGetStackHighWaterMark(NULL);
unsigned portBASE_TYPE CurrentStackLeft;
float remainingStack = InitialStackLeft;
remainingStack /= lcdSTACK_SIZE;
if (remainingStack < 0.10) {
// If the stack is really low, stop everything because we don't want it to run out
// The 0.10 is just leaving a cushion, in theory, you could use exactly all of it
VT_HANDLE_FATAL_ERROR(0);
}
#endif
/* Initialize the LCD and set the initial colors */
GLCD_Init();
tscr = Red; // may be reset in the LCDMsgTypeTimer code below
screenColor = White; // may be reset in the LCDMsgTypeTimer code below
GLCD_SetTextColor(tscr);
GLCD_SetBackColor(screenColor);
GLCD_Clear(screenColor);
// Added by Matthew Ibarra 2/2/2013
int xPos = 0;
// Note that srand() & rand() require the use of malloc() and should not be used unless you are using
// MALLOC_VERSION==1
#if MALLOC_VERSION==1
srand((unsigned) 55); // initialize the random number generator to the same seed for repeatability
#endif
curLine = 5;
// This task should never exit
for(;;)
{
#ifdef INSPECT_STACK
CurrentStackLeft = uxTaskGetStackHighWaterMark(NULL);
float remainingStack = CurrentStackLeft;
remainingStack /= lcdSTACK_SIZE;
if (remainingStack < 0.10) {
// If the stack is really low, stop everything because we don't want it to run out
VT_HANDLE_FATAL_ERROR(0);
}
#endif
#if LCD_EXAMPLE_OP==0
// Wait for a message
if (xQueueReceive(lcdPtr->inQ,(void *) &msgBuffer,portMAX_DELAY) != pdTRUE) {
VT_HANDLE_FATAL_ERROR(0);
}
#if EXAMPLE_COLOR_CHANGE==1
//Log that we are processing a message -- more explanation of logging is given later on
vtITMu8(vtITMPortLCDMsg,getMsgType(&msgBuffer));
vtITMu8(vtITMPortLCDMsg,getMsgLength(&msgBuffer));
// Take a different action depending on the type of the message that we received
switch(getMsgType(&msgBuffer)) {
case LCDMsgTypePrint: {
// This will result in the text printing in the last five lines of the screen
char lineBuffer[lcdCHAR_IN_LINE+1];
copyMsgString(lineBuffer,&msgBuffer,lcdCHAR_IN_LINE);
// clear the line
GLCD_ClearLn(curLine,1);
// show the text
GLCD_DisplayString(curLine,0,1,(unsigned char *)lineBuffer);
curLine++;
if (curLine == lcdNUM_LINES) {
curLine = 5;
}
break;
}
case LCDMsgTypeTimer: {
// Note: if I cared how long the timer update was I would call my routine
// unpackTimerMsg() which would unpack the message and get that value
// Each timer update will cause a circle to be drawn on the top half of the screen
// as explained below
if (timerCount == 0) {
/* ************************************************** */
// Find a new color for the screen by randomly (within limits) selecting HSL values
// This can be ignored unless you care about the color map
#if MALLOC_VERSION==1
hue = rand() % 360;
sat = (rand() % 1024) / 1023.0; sat = sat * 0.5; sat += 0.5;
light = (rand() % 1024) / 1023.0; light = light * 0.8; light += 0.10;
#else
hue = (hue + 1); if (hue >= 360) hue = 0;
sat+=0.01; if (sat > 1.0) sat = 0.20;
light+=0.03; if (light > 1.0) light = 0.20;
#endif
screenColor = hsl2rgb(hue,sat,light);
// Now choose a complementary value for the text color
hue += 180;
if (hue >= 360) hue -= 360;
tscr = hsl2rgb(hue,sat,light);
GLCD_SetTextColor(tscr);
GLCD_SetBackColor(screenColor);
// End of playing around with figuring out a random color
/* ************************************************** */
// clear the top half of the screen
GLCD_ClearWindow(0,0,320,120,screenColor);
// Now we are going to draw a circle in the upper left corner of the screen
int count = 200;
float radius;
float inc, val, offset = MAX_RADIUS;
unsigned short circleColor;
inc = 2*M_PI/count;
xmax = 0;
ymax = 0;
xmin = 50000;
ymin = 50000;
val = 0.0;
for (i=0;i<count;i++) {
// Make the circle a little thicker
// by actually drawing three circles w/ different radii
float cv = cos(val), sv=sin(val);
circleColor = (val*0xFFFF)/(2*M_PI);
GLCD_SetTextColor(circleColor);
for (radius=MAX_RADIUS-2.0;radius<=MAX_RADIUS;radius+=1.0) {
x = round(cv*radius+offset);
y = round(sv*radius+offset);
if (x > xmax) xmax = x;
if (y > ymax) ymax = y;
if (x < xmin) xmin = x;
if (y < ymin) ymin = y;
GLCD_PutPixel(x,y);
}
val += inc;
}
// Now we are going to read the upper left square of the LCD's
// memory (see its data sheet for details on that) and save
// that into a buffer for fast re-drawing later
if (((xmax+1-xmin)*(ymax+1-ymin)) > BUF_LEN) {
// Make sure we have room for the data
VT_HANDLE_FATAL_ERROR(0);
}
unsigned short int *tbuffer = buffer;
unsigned int width = (xmax+1-xmin);
for (j=ymin;j<=ymax;j++) {
GLCD_GetPixelRow (xmin,j,width,tbuffer);
tbuffer += width;
}
// end of reading in the buffer
xoffset = xmin;
yoffset = ymin;
} else {
// We are going to write out the data read into the buffer
// back onto the screen at a new location
// This is *very* fast
// First, clear out where we were
GLCD_ClearWindow(xoffset,yoffset,xmax+1-xmin,ymax+1-ymin,screenColor);
// Pick the new location
#if MALLOC_VERSION==1
xoffset = rand() % (320-(xmax+1-xmin));
yoffset = rand() % (120-(ymax+1-ymin));
#else
xoffset = (xoffset + 10) % (320-(xmax+1-xmin));
yoffset = (yoffset + 10) % (120-(ymax+1-ymin));
#endif
// Draw the bitmap
GLCD_Bitmap(xoffset,yoffset,xmax+1-xmin,ymax-1-ymin,(unsigned char *)buffer);
}
timerCount++;
if (timerCount >= 40) {
// every so often, we reset timer count and start again
// This isn't for any important reason, it is just to for this example code to do "stuff"
timerCount = 0;
}
break;
}
default: {
// In this configuration, we are only expecting to receive timer messages
VT_HANDLE_FATAL_ERROR(getMsgType(&msgBuffer));
break;
}
} // end of switch()
#endif
#if MILESTONE_1==1
// Added by Matthew Ibarra 2/2/2013
if(timerCount==0) {
GLCD_Clear(screenColor);
// Draw the vertical gridlines onto the LCD
int i;
for(i = 320/6; i < 315; i = i + 320/6) {
GLCD_ClearWindow(i, 0, 1, 240, Red);
}
// Draw the vertical gridlines onto the LCD
for(i = 240/4; i < 235; i = i + 240/4) {
GLCD_ClearWindow(0, i, 320, 1, Red);
}
//Output Scale on LCD
GLCD_DisplayString(29, 0, 0, (unsigned char*) "V/div=2.5 s/div=3");
timerCount++;
}
int adcValue;
getMsgValue(&adcValue, &msgBuffer);
int displayValue;
displayValue = 120 - (adcValue * 120)/(0x100);
GLCD_ClearWindow(xPos, displayValue, 2, 2, Black);
xPos += 2;
if(xPos > 320) {
timerCount = 0;
xPos = 0;
}
#endif
// Here is a way to do debugging output via the built-in hardware -- it requires the ULINK cable and the
// debugger in the Keil tools to be connected. You can view PORT0 output in the "Debug(printf) Viewer"
// under "View->Serial Windows". You have to enable "Trace" and "Port0" in the Debug setup options. This
// should not be used if you are using Port0 for printf()
// There are 31 other ports and their output (and port 0's) can be seen in the "View->Trace->Records"
// windows. You have to enable the prots in the Debug setup options. Note that unlike ITM_SendChar()
// this "raw" port write is not blocking. That means it can overrun the capability of the system to record
// the trace events if you go too quickly; that won't hurt anything or change the program execution and
// you can tell if it happens because the "View->Trace->Records" window will show there was an overrun.
//vtITMu16(vtITMPortLCD,screenColor);
#elif LCD_EXAMPLE_OP==1
// In this alternate version, we just keep redrawing a series of bitmaps as
// we receive timer messages
// Wait for a message
if (xQueueReceive(lcdPtr->inQ,(void *) &msgBuffer,portMAX_DELAY) != pdTRUE) {
VT_HANDLE_FATAL_ERROR(0);
}
if (getMsgType(&msgBuffer) != LCDMsgTypeTimer) {
// In this configuration, we are only expecting to receive timer messages
VT_HANDLE_FATAL_ERROR(getMsgType(&msgBuffer));
}
/* go through a bitmap that is really a series of bitmaps */
picIndex = (picIndex + 1) % 9;
GLCD_Bmp(99,99,120,45,(unsigned char *) &ARM_Ani_16bpp[picIndex*(120*45*2)]);
#else
Bad setting
#endif
}
}
// This is the actual task that is run
static portTASK_FUNCTION(vLCDUpdateTask, pvParameters)
{
#if LCD_EXAMPLE_OP == 0
unsigned short screenColor = 0;
unsigned short tscr;
unsigned char curLine;
unsigned timerCount = 0;
int xoffset = 0, yoffset = 0;
unsigned int xmin = 0, xmax = 0, ymin = 0, ymax = 0;
unsigned int x, y;
int i;
float hue = 0, sat = 0.2, light = 0.2;
#else // if LCD_EXAMPLE_OP==1
unsigned char picIndex = 0;
#endif
vtLCDMsg msgBuffer;
vtLCDStruct *lcdPtr = (vtLCDStruct *)pvParameters;
#ifdef INSPECT_STACK
// This is meant as an example that you can re-use in your own tasks
// Inspect to the stack remaining to see how much room is remaining
// 1. I'll check it here before anything really gets started
// 2. I'll check during the run to see if it drops below 10%
// 3. You could use break points or logging to check on this, but
// you really don't want to print it out because printf() can
// result in significant stack usage.
// 4. Note that this checking is not perfect -- in fact, it will not
// be able to tell how much the stack grows on a printf() call and
// that growth can be *large* if version 1 of printf() is used.
unsigned portBASE_TYPE InitialStackLeft = uxTaskGetStackHighWaterMark(NULL);
unsigned portBASE_TYPE CurrentStackLeft;
float remainingStack = InitialStackLeft;
remainingStack /= lcdSTACK_SIZE;
if (remainingStack < 0.10) {
// If the stack is really low, stop everything because we don't want it to
// run out
// The 0.10 is just leaving a cushion, in theory, you could use exactly all
// of it
VT_HANDLE_FATAL_ERROR(0);
}
#endif
// Graph initialization
const unsigned graphXoff = 30;
const unsigned graphYoff = 10;
const unsigned graphWidth = 260;
const unsigned graphHeight = 160;
uint8_t graphVals[graphWidth];
for (i = 0; i < graphWidth; i++) {
graphVals[i] = 0;
}
uint8_t graphStart = 0;
/* Initialize the LCD and set the initial colors */
GLCD_Init();
tscr = White; // may be reset in the LCDMsgTypeTimer code below
screenColor = Black; // may be reset in the LCDMsgTypeTimer code below
GLCD_SetTextColor(tscr);
GLCD_SetBackColor(screenColor);
GLCD_Clear(screenColor);
GLCD_ClearWindow(graphXoff - 1, graphYoff - 1, 1, graphHeight + 1, Blue);
GLCD_ClearWindow(
graphXoff - 1, graphYoff + graphHeight + 1, graphWidth + 1, 1, Blue);
GLCD_DisplayString(22, 47, 0, (unsigned char *)"0min");
GLCD_DisplayString(22, 37, 0, (unsigned char *)"-1min");
GLCD_DisplayString(22, 27, 0, (unsigned char *)"-2min");
GLCD_DisplayString(22, 17, 0, (unsigned char *)"-3min");
GLCD_DisplayString(22, 7, 0, (unsigned char *)"-4min");
GLCD_DisplayString(22, 0, 0, (unsigned char *)"0.0m");
GLCD_DisplayString(14, 0, 0, (unsigned char *)"0.5m");
GLCD_DisplayString(8, 0, 0, (unsigned char *)"1.0m");
GLCD_DisplayString(2, 0, 0, (unsigned char *)"1.5m");
// Note that srand() & rand() require the use of malloc() and should not be used
// unless you are using
// MALLOC_VERSION==1
#if MALLOC_VERSION == 1
srand((unsigned)55); // initialize the random number generator to the same
// seed for repeatability
#endif
curLine = lcdNUM_SMALL_LINES - 1;
// This task should never exit
for (;;) {
#ifdef INSPECT_STACK
CurrentStackLeft = uxTaskGetStackHighWaterMark(NULL);
float remainingStack = CurrentStackLeft;
remainingStack /= lcdSTACK_SIZE;
if (remainingStack < 0.10) {
// If the stack is really low, stop everything because we don't want it to
// run out
VT_HANDLE_FATAL_ERROR(0);
}
#endif
#if LCD_EXAMPLE_OP == 0
// Wait for a message
if (xQueueReceive(lcdPtr->inQ, (void *)&msgBuffer, portMAX_DELAY) !=
pdTRUE) {
VT_HANDLE_FATAL_ERROR(0);
}
// Log that we are processing a message -- more explanation of logging is
// given later on
vtITMu8(vtITMPortLCDMsg, getMsgType(&msgBuffer));
vtITMu8(vtITMPortLCDMsg, getMsgLength(&msgBuffer));
// Take a different action depending on the type of the message that we
// received
switch (getMsgType(&msgBuffer)) {
case LCDMsgTypePrint: {
// This will result in the text printing in the last five lines of the
// screen
char lineBuffer[lcdCHAR_IN_LINE + 1];
copyMsgString(lineBuffer, &msgBuffer, lcdCHAR_IN_LINE);
// clear the line
GLCD_ClearLn(curLine, 1);
// show the text
GLCD_DisplayString(curLine, 0, 0, (unsigned char *)lineBuffer);
curLine++;
if (curLine == lcdNUM_SMALL_LINES) {
curLine = lcdNUM_SMALL_LINES - 1;
}
break;
}
case LCDMsgTypePoint: {
graphVals[graphStart] = getMsgPoint(&msgBuffer);
break;
}
case LCDMsgTypeTimer: {
// Note: if I cared how long the timer update was I would call my
// routine
// unpackTimerMsg() which would unpack the message and get that value
// Each timer update will cause a circle to be drawn on the top half of
// the screen
// as explained below
if (timerCount % 2 == 0) {
/* ************************************************** */
// Find a new color for the screen by randomly (within limits)
// selecting
// HSL values
// This can be ignored unless you care about the color map
/*
#if MALLOC_VERSION==1
hue = rand() % 360;
sat = (rand() % 1024) / 1023.0; sat = sat * 0.5; sat
+=
0.5;
light = (rand() % 1024) / 1023.0; light = light *
0.8; light += 0.10;
#else
hue = (hue + 1); if (hue >= 360) hue = 0;
sat+=0.01; if (sat > 1.0) sat = 0.20;
light+=0.03; if (light > 1.0) light = 0.20;
#endif
screenColor = hsl2rgb(hue,sat,light);
// Now choose a complementary value for the text color
hue += 180;
if (hue >= 360) hue -= 360;
tscr = hsl2rgb(hue,sat,light);
GLCD_SetTextColor(tscr);
GLCD_SetBackColor(screenColor);
unsigned short int *tbuffer = buffer;
//int i;
for(i = BUF_LEN; i--;) {
tbuffer[i] = screenColor;
}
*/
// End of playing around with figuring out a random color
/* ************************************************** */
// clear the top half of the screen
// GLCD_ClearWindow(0,0,320,120,screenColor);
/*
// Now we are going to draw a circle in the buffer
// count is how many pixels are in the circle
int count = 50;
float radius;
float inc, val, offset = MAX_RADIUS;
unsigned short circleColor;
inc = 2*M_PI/count;
xmax = 0;
ymax = 0;
xmin = 50000;
ymin = 50000;
val = 0.0;
for (i=0;i<count;i++) {
// Make the circle a little thicker
// by actually drawing three circles w/
different radii
float cv = cos(val), sv=sin(val);
circleColor = (val*0xFFFF)/(2*M_PI);
GLCD_SetTextColor(circleColor);
for
(radius=MAX_RADIUS-2.0;radius<=MAX_RADIUS;radius+=1.0) {
x = round(cv*radius+offset);
y = round(sv*radius+offset);
if (x > xmax) xmax = x;
if (y > ymax) ymax = y;
if (x < xmin) xmin = x;
if (y < ymin) ymin = y;
//tbuffer[(y*((MAX_RADIUS*2)+1)) + x]
=
circleColor;
}
val += inc;
}
*/
// GLCD_ClearWindow(graphXoff, graphYoff, graphWidth, graphHeight,
// screenColor);
graphStart = (graphStart + 1) % graphWidth;
DEBUG_OUT(0xf);
for (i = 0; i < graphWidth; i++) {
unsigned index = (i + graphStart) % graphWidth;
unsigned y = graphHeight - graphVals[index] + graphYoff;
unsigned x = i + graphXoff;
GLCD_ClearWindow(x, graphYoff, 1, graphHeight, screenColor);
GLCD_PutPixel(x, y);
}
DEBUG_OUT(0x0);
} // else {
// We are going to write out the buffer
// back onto the screen at a new location
// This is *very* fast
/*
// First, clear out where we were
GLCD_ClearWindow(xoffset,yoffset,xmax+1-xmin,ymax+1-ymin,screenColor);
// Pick the new location
#if MALLOC_VERSION==1
xoffset = rand() % (320-(xmax+1-xmin));
yoffset = rand() % (120-(ymax+1-ymin));
#else
xoffset = (xoffset + 10) % (320-(xmax+1-xmin));
yoffset = (yoffset + 10) % (120-(ymax+1-ymin));
#endif
// Draw the bitmap
GLCD_Bitmap(xoffset,yoffset,xmax+1-xmin,ymax-1-ymin,(unsigned
char*)buffer);
*/
//}
timerCount++;
if (timerCount >= 100) {
// every so often, we reset timer count and start again
// This isn't for any important reason, it is just to for this example
// code to do "stuff"
timerCount = 0;
}
break;
}
default: {
// In this configuration, we are only expecting to receive timer
// messages
VT_HANDLE_FATAL_ERROR(getMsgType(&msgBuffer));
break;
}
} // end of switch()
// Here is a way to do debugging output via the built-in hardware -- it requires
// the ULINK cable and the debugger in the Keil tools to be connected. You can
// view PORT0 output in the "Debug(printf) Viewer" under "View->Serial Windows".
// You have to enable "Trace" and "Port0" in the Debug setup options. This
// should not be used if you are using Port0 for printf(). There are 31 other
// ports and their output (and port 0's) can be seen in the
// "View->Trace->Records" windows. You have to enable the ports in the Debug
// setup options. Note that unlike ITM_SendChar() this "raw" port write is not
// blocking. That means it can overrun the capability of the system to record
// the trace events if you go too quickly; that won't hurt anything or change
// the program execution and you can tell if it happens because the
// "View->Trace->Records" window will show there was an overrun.
// vtITMu16(vtITMPortLCD,screenColor);
#elif LCD_EXAMPLE_OP == 1
// In this alternate version, we just keep redrawing a series of bitmaps as
// we receive timer messages
// Wait for a message
if (xQueueReceive(lcdPtr->inQ, (void *)&msgBuffer, portMAX_DELAY) !=
pdTRUE) {
VT_HANDLE_FATAL_ERROR(0);
}
if (getMsgType(&msgBuffer) != LCDMsgTypeTimer) {
// In this configuration, we are only expecting to receive timer messages
VT_HANDLE_FATAL_ERROR(getMsgType(&msgBuffer));
}
/* go through a bitmap that is really a series of bitmaps */
picIndex = (picIndex + 1) % 9;
GLCD_Bmp(99,
99,
120,
45,
(unsigned char *)&ARM_Ani_16bpp[picIndex * (120 * 45 * 2)]);
#else
Bad setting
#endif
}
}
void Draw_CHICKEN2(int y0 ){
GLCD_SetTextColor(Red);
GLCD_PutPixel(319-21,y0);
GLCD_PutPixel(319-17,y0+1);
GLCD_PutPixel(319-18,y0+1);
Draw_lineX2( 319-20, y0+1, 319-22);
Draw_lineX2(319-17, y0+2, 319-23);
Draw_lineX2(319-16, y0+3, 319-23);
Draw_lineX2(319-17, y0+4, 319-22);
GLCD_PutPixel(319-18, y0+5);
GLCD_SetTextColor(Orange);
Draw_lineX2(319-25, y0+7, 319-28);
Draw_lineX2(319-25, y0+8, 319-26);
Draw_lineX2(319-25, y0+9, 319-28);
Draw_lineX2(319-25, y0+10, 319-26);
GLCD_SetTextColor(Black);
GLCD_PutPixel(319-19, y0+9);
GLCD_PutPixel(319-20, y0+9);
GLCD_SetTextColor(Yellow);
Draw_lineX2(319-19,y0+5,319-22);
Draw_lineX2(319-17,y0+6,319-23);
Draw_lineX2(319-17,y0+7,319-24);
Draw_lineX2(319-16,y0+8,319-24);
Draw_lineX2(319-15,y0+9,319-24);
Draw_lineX2(319-14,y0+10,319-24);
Draw_lineX2(319-14,y0+11,319-24);
Draw_lineX2(319-13,y0+12,319-24);
Draw_lineX2(319-12,y0+13,319-22);
Draw_lineX2(319-11,y0+14,319-22);
Draw_lineX2(319-10,y0+15,319-22);
Draw_lineX2(319-2,y0+16,319-22);
Draw_lineX2(319-0,y0+17,319-22);
Draw_lineX2(319-0,y0+18,319-22);
Draw_lineX2(319-0,y0+19,319-22);
Draw_lineX2(319-2,y0+20,319-21);
Draw_lineX2(319-4,y0+21,319-21);
Draw_lineX2(319-2,y0+22,319-21);
Draw_lineX2(319-0,y0+23,319-20);
Draw_lineX2(319-1,y0+24,319-20);
Draw_lineX2(319-1,y0+25,319-20);
Draw_lineX2(319-2,y0+26,319-19);
Draw_lineX2(319-3,y0+27,319-18);
Draw_lineX2(319-3,y0+28,319-17);
Draw_lineX2(319-4,y0+29,319-16);
Draw_lineX2(319-5,y0+30,319-15);
Draw_lineX2(319-6,y0+31,319-14);
//Tail
GLCD_PutPixel(319-0, y0+10);
Draw_lineX2(319-0, y0+9, 319-1);
Draw_lineX2(319-0, y0+10, 319-2);
Draw_lineX2(319-0, y0+11, 319-3);
Draw_lineX2(319-1, y0+12, 319-4);
Draw_lineX2(319-1, y0+13, 319-5);
Draw_lineX2(319-2, y0+14, 319-6);
Draw_lineX2(319-3, y0+15, 319-7);
GLCD_SetTextColor(Black);
GLCD_PutPixel(319-20, y0+8);
GLCD_PutPixel(319-21, y0+8);
GLCD_PutPixel(319-19, y0+9);
GLCD_PutPixel(319-20, y0+9);
}
void Draw_CHICKEN1(int y0 ){
GLCD_SetTextColor(Red);
GLCD_PutPixel(21,y0);
GLCD_PutPixel(17,y0+1);
GLCD_PutPixel(18,y0+1);
Draw_lineX( 20, y0+1, 22);
Draw_lineX(17, y0+2, 23);
Draw_lineX(16, y0+3, 23);
Draw_lineX(17, y0+4, 22);
GLCD_PutPixel(18, y0+5);
GLCD_SetTextColor(Orange);
Draw_lineX(25, y0+7, 28);
Draw_lineX(25, y0+8, 26);
Draw_lineX(25, y0+9, 28);
Draw_lineX(25, y0+10, 26);
GLCD_SetTextColor(Black);
GLCD_PutPixel(19, y0+9);
GLCD_PutPixel(20, y0+9);
GLCD_SetTextColor(Yellow);
Draw_lineX(19,y0+5,22);
Draw_lineX(17,y0+6,23);
Draw_lineX(17,y0+7,24);
Draw_lineX(16,y0+8,24);
Draw_lineX(15,y0+9,24);
Draw_lineX(14,y0+10,24);
Draw_lineX(14,y0+11,24);
Draw_lineX(13,y0+12,24);
Draw_lineX(12,y0+13,22);
Draw_lineX(11,y0+14,22);
Draw_lineX(10,y0+15,22);
Draw_lineX(2,y0+16,22);
Draw_lineX(0,y0+17,22);
Draw_lineX(0,y0+18,22);
Draw_lineX(0,y0+19,22);
Draw_lineX(2,y0+20,21);
Draw_lineX(4,y0+21,21);
Draw_lineX(2,y0+22,21);
Draw_lineX(0,y0+23,20);
Draw_lineX(1,y0+24,20);
Draw_lineX(1,y0+25,20);
Draw_lineX(2,y0+26,19);
Draw_lineX(3,y0+27,18);
Draw_lineX(3,y0+28,17);
Draw_lineX(4,y0+29,16);
Draw_lineX(5,y0+30,15);
Draw_lineX(6,y0+31,14);
//Tail
GLCD_PutPixel(0, y0+10);
Draw_lineX(0, y0+9, 1);
Draw_lineX(0, y0+10, 2);
Draw_lineX(0, y0+11, 3);
Draw_lineX(1, y0+12, 4);
Draw_lineX(1, y0+13, 5);
Draw_lineX(2, y0+14, 6);
Draw_lineX(3, y0+15, 7);
GLCD_SetTextColor(Black);
GLCD_PutPixel(20, y0+8);
GLCD_PutPixel(21, y0+8);
GLCD_PutPixel(19, y0+9);
GLCD_PutPixel(20, y0+9);
}
// This is the actual task that is run
static portTASK_FUNCTION( vLCDUpdateTask, pvParameters )
{
portTickType xUpdateRate, xLastUpdateTime;
int pixel_buffer[80];
float max = 0;
float min = 990;
unsigned short screenColor;
#if LCD_EXAMPLE_OP==0
unsigned short tscr;
static char scrString[40];
unsigned char curLine = 0;
float hue=0, sat=0.2, light=0.2;
#elif LCD_EXAMPLE_OP==1
unsigned char picIndex = 0;
#elif LCD_EXAMPLE_OP==2
vtLCDMsg msgBuffer;
unsigned char curLine = 0;
#endif
vtLCDStruct *lcdPtr = (vtLCDStruct *) pvParameters;
/* Initialize the LCD */
GLCD_Init();
GLCD_Clear(Yellow);
// Scale the update rate to ensure it really is in ms
xUpdateRate = lcdWRITE_RATE_BASE / portTICK_RATE_MS;
/* We need to initialise xLastUpdateTime prior to the first call to
vTaskDelayUntil(). */
xLastUpdateTime = xTaskGetTickCount();
// Note that srand() & rand() require the use of malloc() and should not be used unless you are using
// MALLOC_VERSION==1
#if MALLOC_VERSION==1
srand((unsigned) 55); // initialize the random number generator to the same seed for repeatability
#endif
// Like all good tasks, this should never exit
int i = 0;
GLCD_SetTextColor(Black);
GLCD_SetBackColor(Yellow);
for(;;)
{
#if LCD_EXAMPLE_OP==0
/* Ask the RTOS to delay reschduling this task for the specified time */
vTaskDelayUntil( &xLastUpdateTime, xUpdateRate );
// Find a new color for the screen by randomly (within limits) selecting HSL values
#if MALLOC_VERSION==1
hue = rand() % 360;
sat = (rand() % 1024) / 1023.0; sat = sat * 0.5; sat += 0.5;
light = (rand() % 1024) / 1023.0; light = light * 0.8; light += 0.10;
#else
hue = (hue + 1); if (hue >= 360) hue = 0;
sat+=0.01; if (sat > 1.0) sat = 0.20;
light+=0.03; if (light > 1.0) light = 0.20;
#endif
screenColor = hsl2rgb(hue,sat,light);
// Now choose a complementary value for the text color
hue += 180;
if (hue >= 360) hue -= 360;
tscr = hsl2rgb(hue,sat,light);
GLCD_SetTextColor(tscr);
GLCD_SetBackColor(screenColor);
/* create a string for printing to the LCD */
sprintf(scrString,"LCD: %d %d %d",screenColor,(int)xUpdateRate,(int)xLastUpdateTime);
GLCD_ClearLn(curLine,1);
GLCD_DisplayString(curLine,0,1,(unsigned char *)scrString);
curLine++;
if (curLine == 10) {
/* clear the LCD at the end of the screen */
GLCD_Clear(screenColor);
curLine = 0;
}
printf("BackColor (RGB): %d %d %d - (HSL) %3.0f %3.2f %3.2f \n",
(screenColor & 0xF800) >> 11,(screenColor & 0x07E0) >> 5,screenColor & 0x001F,
hue,sat,light);
printf("TextColor (RGB): %d %d %d\n",
(tscr & 0xF800) >> 11,(tscr & 0x07E0) >> 5,tscr & 0x001F);
// Here is a way to do debugging output via the built-in hardware -- it requires the ULINK cable and the
// debugger in the Keil tools to be connected. You can view PORT0 output in the "Debug(printf) Viewer"
// under "View->Serial Windows". You have to enable "Trace" and "Port0" in the Debug setup options. This
// should not be used if you are using Port0 for printf()
// There are 31 other ports and their output (and port 0's) can be seen in the "View->Trace->Records"
// windows. You have to enable the prots in the Debug setup options. Note that unlike ITM_SendChar()
// this "raw" port write is not blocking. That means it can overrun the capability of the system to record
// the trace events if you go too quickly; that won't hurt anything or change the program execution and
// you can tell if it happens because the "View->Trace->Records" window will show there was an overrun.
vtITMu16(vtITMPortLCD,screenColor);
#elif LCD_EXAMPLE_OP==1
/* Ask the RTOS to delay reschduling this task for the specified time */
vTaskDelayUntil( &xLastUpdateTime, xUpdateRate );
/* go through a bitmap that is really a series of bitmaps */
picIndex = (picIndex + 1) % 9;
GLCD_Bmp(99,99,120,45,(unsigned char *) &ARM_Ani_16bpp[picIndex*(120*45*2)]);
#elif LCD_EXAMPLE_OP==2
// wait for a message from another task telling us to send/recv over i2c
if (xQueueReceive(lcdPtr->inQ,(void *) &msgBuffer,portMAX_DELAY) != pdTRUE) {
VT_HANDLE_FATAL_ERROR(0);
}
//get the data from the message queue and reconvert it into a 10-bit value
int pixel = msgBuffer.buf[1]<<8;
pixel = pixel + msgBuffer.buf[0];
//set minimum and maximum values should they change across the 80 data points in buffer
if (pixel > max)
max = pixel;
if (pixel < min)
min = pixel;
//trim pixel data value to fit it on screen
pixel = pixel / 5;
//add pixel to a data buffer so we can clear the screen and keep accurate data
pixel_buffer[i] = pixel;
//increment for next position in the buffer
i++;
//once we have a filled buffer of data points, print the screen
if (i > 79)
{
GLCD_Clear(Yellow);
//each data point is 4 pixels by 4 pixels
for (i = 0; i < 80; i++)
{
GLCD_PutPixel(i*4, 240-pixel_buffer[i]);
GLCD_PutPixel(i*4, 240-pixel_buffer[i]+1);
GLCD_PutPixel(i*4, 240-pixel_buffer[i]+2);
GLCD_PutPixel(i*4, 240-pixel_buffer[i]+3);
GLCD_PutPixel(i*4+1, 240-pixel_buffer[i]);
GLCD_PutPixel(i*4+1, 240-pixel_buffer[i]+1);
GLCD_PutPixel(i*4+1, 240-pixel_buffer[i]+2);
GLCD_PutPixel(i*4+1, 240-pixel_buffer[i]+3);
GLCD_PutPixel(i*4+2, 240-pixel_buffer[i]);
GLCD_PutPixel(i*4+2, 240-pixel_buffer[i]+1);
GLCD_PutPixel(i*4+2, 240-pixel_buffer[i]+2);
GLCD_PutPixel(i*4+2, 240-pixel_buffer[i]+3);
GLCD_PutPixel(i*4+3, 240-pixel_buffer[i]);
GLCD_PutPixel(i*4+3, 240-pixel_buffer[i]+1);
GLCD_PutPixel(i*4+3, 240-pixel_buffer[i]+2);
GLCD_PutPixel(i*4+3, 240-pixel_buffer[i]+3);
}
//convert max and mins to voltages
max = max / 300;
min = min / 300;
//display the max and min voltages on the screen
uint8_t toprint[4];
sprintf((char *)toprint, "%1.1fV", max);
GLCD_DisplayString(0,9,1, (unsigned char*)&toprint);
sprintf((char *)toprint, "%1.1fV", min);
GLCD_DisplayString(9,9,1, (unsigned char*)&toprint);
//display the scalar on the screen
GLCD_DisplayString(9,0,1, (unsigned char *)"0V");
GLCD_DisplayString(7,0,1, (unsigned char *)"1V");
GLCD_DisplayString(5,0,1, (unsigned char *)"2V");
GLCD_DisplayString(3,0,1, (unsigned char *)"3V");
//reset values for the next buffer screen
i = 0;
max = 0;
min = 990;
}
#else
Bad setting
#endif
}
}
