Guillermo Stedile
Forked para SNOCC
RA8875.cpp
- Committer:
- WiredHome
- Date:
- 2015-01-12
- Revision:
- 84:e102021864b5
- Parent:
- 83:7bad0068cca0
- Child:
- 85:022bba13c5c4
File content as of revision 84:e102021864b5:
/// RA8875 Display Controller Library.
///
/// This is being created for a Raio RA8875-based display from buydisplay.com,
/// which is 480 x 272 using a 4-wire SPI interface. Support is provided for
/// both a keypad and a resistive touch-screen.
///
/// This display controller is used in other display resolutions, up to 800x600.
/// While this driver has not been tested with these variants, nothing was done
/// to prevent easily supporting them.
///
#include "RA8875.h"
//#define DEBUG "RAIO"
// ...
// INFO("Stuff to show %d", var); // new-line is automatically appended
//
#if (defined(DEBUG) && !defined(TARGET_LPC11U24))
#define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
#define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
#define ERR(x, ...) std::printf("[ERR %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
static void HexDump(char * title, uint8_t * p, int count)
{
int i;
char buf[100] = "0000: ";
if (*title)
INFO("%s", title);
for (i=0; i<count; ) {
sprintf(buf + strlen(buf), "%02X ", *(p+i));
if ((++i & 0x0F) == 0x00) {
INFO("%s", buf);
if (i < count)
sprintf(buf, "%04X: ", i);
else
buf[0] = '\0';
}
}
if (strlen(buf))
INFO("%s", buf);
}
#else
#define INFO(x, ...)
#define WARN(x, ...)
#define ERR(x, ...)
#define HexDump(a, b, c)
#endif
#define RA8875_DISPLAY_WIDTH 480
#define RA8875_DISPLAY_HEIGHT 272
#define RA8875_COLORDEPTH_BPP 16 /* Not an API */
#ifdef PERF_METRICS
#define PERFORMANCE_RESET performance.reset()
#define REGISTERPERFORMANCE(a) RegisterPerformance(a)
#define COUNTIDLETIME(a) CountIdleTime(a)
static const char *metricsName[] = {
"Cls", "Pixel", "Pixel Stream",
"Read Pixel", "Read Pixel Stream",
"Line",
"Rectangle", "Rounded Rectangle",
"Triangle", "Circle", "Ellipse"
};
#else
#define PERFORMANCE_RESET
#define REGISTERPERFORMANCE(a)
#define COUNTIDLETIME(a)
#endif
// When it is going to poll a register for completion, how many
// uSec should it wait between each polling activity.
#define POLLWAITuSec 10
// Private RawKeyMap for the Keyboard interface
static const uint8_t DefaultKeyMap[22] = {
0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
255
};
static const char * ErrMessages[] = {
"noerror", ///< no errors, command completed successfully
"bad_parameter", ///< one or more parameters are invalid
"file_not_found", ///< specified file could not be found
"not_bmp_format", ///< file is not a .bmp file
"not_ico_format", ///< file is not a .ico file
"not_supported_format", ///< file format is not yet supported
"image_too_big", ///< image is too large for the screen
"not_enough_ram", ///< could not allocate ram for scanline
};
RA8875::RA8875(PinName mosi, PinName miso, PinName sclk, PinName csel, PinName reset, const char *name)
: GraphicsDisplay(name)
, spi(mosi, miso, sclk)
, cs(csel)
, res(reset)
{
}
//RA8875::~RA8875()
//{
//}
RetCode_t RA8875::init(int width, int height, int color_bpp, bool poweron, bool keypadon, bool touchscreenon)
{
font = NULL; // no external font, use internal.
pKeyMap = DefaultKeyMap; // set default key map
_select(false); // deselect the display
frequency(RA8875_DEFAULT_SPI_FREQ); // data rate
Reset();
WriteCommand(0x88, 0x0B); // PLLC1 - Phase Lock Loop registers
wait_ms(1);
WriteCommand(0x89, 0x02);
wait_ms(1);
// System Config Register (SYSR)
if (color_bpp == 16) {
WriteCommand(0x10, 0x0C); // 16-bpp (65K colors) color depth, 8-bit interface
} else { // color_bpp == 8
WriteCommand(0x10, 0x00); // 8-bpp (256 colors)
}
// Pixel Clock Setting Register (PCSR)
WriteCommand(0x04, 0x82); // PDAT on PCLK falling edge, PCLK = 4 x System Clock
wait_ms(1);
// Horizontal Settings
WriteCommand(0x14, width/8 - 1); //HDWR//Horizontal Display Width Setting Bit[6:0]
WriteCommand(0x15, 0x02); //HNDFCR//Horizontal Non-Display Period fine tune Bit[3:0]
WriteCommand(0x16, 0x03); //HNDR//Horizontal Non-Display Period Bit[4:0]
WriteCommand(0x17, 0x01); //HSTR//HSYNC Start Position[4:0]
WriteCommand(0x18, 0x03); //HPWR//HSYNC Polarity ,The period width of HSYNC.
// Vertical Settings
WriteCommand(0x19, (height-1)&0xFF); //VDHR0 //Vertical Display Height Bit [7:0]
WriteCommand(0x1a, (height-1)>>8); //VDHR1 //Vertical Display Height Bit [8]
WriteCommand(0x1b, 0x0F); //VNDR0 //Vertical Non-Display Period Bit [7:0]
WriteCommand(0x1c, 0x00); //VNDR1 //Vertical Non-Display Period Bit [8]
WriteCommand(0x1d, 0x0e); //VSTR0 //VSYNC Start Position[7:0]
WriteCommand(0x1e, 0x06); //VSTR1 //VSYNC Start Position[8]
WriteCommand(0x1f, 0x01); //VPWR //VSYNC Polarity ,VSYNC Pulse Width[6:0]
if (width >= 800 && height >= 480 && color_bpp > 8) {
WriteCommand(0x20, 0x00); // DPCR - 1-layer mode when the resolution is too high
} else {
WriteCommand(0x20, 0x80); // DPCR - 2-layer mode
}
// Set display image to Blue on Black as default
window(0,0, width, height); // Initialize to full screen
SetTextCursorControl();
foreground(Blue);
background(Black);
cls(3);
Power(poweron);
if (poweron)
Backlight_u8(255);
if (keypadon)
KeypadInit();
if (touchscreenon)
TouchPanelInit();
#ifdef PERF_METRICS
performance.start();
ClearPerformance();
#endif
return noerror;
}
RetCode_t RA8875::Reset(void)
{
RetCode_t ret;
ret = WriteCommand(0x01, 0x01); // Apply Display Off, Reset
wait_ms(2); // no idea if I need to wait, or how long
if (ret == noerror) {
ret = WriteCommand(0x01, 0x00); // Display off, Remove reset
wait_ms(2); // no idea if I need to wait, or how long
}
return ret;
}
const char * RA8875::GetErrorMessage(RetCode_t code)
{
if (code >= LastErrCode)
code = bad_parameter;
return ErrMessages[code];
}
uint16_t RA8875::GetDrawingLayer(void)
{
return (ReadCommand(0x41) & 0x01);
}
RetCode_t RA8875::SelectDrawingLayer(uint16_t layer)
{
unsigned char mwcr1 = ReadCommand(0x41) & ~0x01; // retain all but the currently selected layer
if (width() >= 800 && height() >= 480 && color_bpp() == 8) {
return bad_parameter;
} else if (layer > 1) {
return bad_parameter;
} else { // layer == 0 ro 1
return WriteCommand(0x41, mwcr1 | layer);
}
}
RA8875::LayerMode_T RA8875::GetLayerMode(void)
{
return (LayerMode_T)(ReadCommand(0x52) & 0x7);
}
RetCode_t RA8875::SetLayerMode(LayerMode_T mode)
{
unsigned char ltpr0 = ReadCommand(0x52) & ~0x7; // retain all but the display layer mode
if (mode <= (LayerMode_T)6) {
WriteCommand(0x52, ltpr0 | (mode & 0x7));
return noerror;
} else {
return bad_parameter;
}
}
RetCode_t RA8875::SetLayerTransparency(uint8_t layer1, uint8_t layer2)
{
if (layer1 > 8)
layer1 = 8;
if (layer2 > 8)
layer2 = 8;
WriteCommand(0x53, ((layer2 & 0xF) << 4) | (layer1 & 0xF));
return noerror;
}
RetCode_t RA8875::SetBackgroundTransparencyColor(color_t color)
{
WriteCommand(0x67, (color >> 11) & 0x1F);
WriteCommand(0x68, (color >> 5) & 0x3F);
WriteCommand(0x69, (color & 0x1F));
return noerror;
}
color_t RA8875::GetBackgroundTransparencyColor(void)
{
RGBQUAD q;
q.rgbRed = ReadCommand(0x67);
q.rgbGreen = ReadCommand(0x68);
q.rgbBlue = ReadCommand(0x69);
return RGBQuadToRGB16(&q, 0);
}
RetCode_t RA8875::KeypadInit(bool scanEnable, bool longDetect, uint8_t sampleTime, uint8_t scanFrequency,
uint8_t longTimeAdjustment, bool interruptEnable, bool wakeupEnable)
{
uint8_t value = 0;
if (sampleTime > 3 || scanFrequency > 7 || longTimeAdjustment > 3)
return bad_parameter;
value |= (scanEnable) ? 0x80 : 0x00;
value |= (longDetect) ? 0x40 : 0x00;
value |= (sampleTime & 0x03) << 4;
value |= (scanFrequency & 0x07);
WriteCommand(0xC0, value); // KSCR1 - Enable Key Scan (and ignore possibility of an error)
value = 0;
value |= (wakeupEnable) ? 0x80 : 0x00;
value |= (longTimeAdjustment & 0x03) << 2;
WriteCommand(0xC1, value); // KSCR2 - (and ignore possibility of an error)
value = ReadCommand(0xF0); // (and ignore possibility of an error)
value &= ~0x10;
value |= (interruptEnable) ? 0x10 : 0x00;
return WriteCommand(0xF0, value); // INT
}
RetCode_t RA8875::SetKeyMap(const uint8_t * CodeList)
{
pKeyMap = CodeList;
return noerror;
}
bool RA8875::readable(void)
{
return (ReadCommand(0xF1) & 0x10); // check KS status - true if kbhit
}
uint8_t RA8875::getc(void)
{
//#define GETC_DEV // for development
#ifdef GETC_DEV
uint8_t keyCode1, keyCode2;
#endif
uint8_t keyCode3;
static uint8_t count = 0;
uint8_t col, row;
uint8_t key;
while (!readable()) {
wait_us(POLLWAITuSec);
// COUNTIDLETIME(POLLWAITuSec); // As it is voluntary to call the getc and pend. Don't tally it.
}
// read the key press number
uint8_t keyNumReg = ReadCommand(0xC1) & 0x03;
count++;
switch (keyNumReg) {
case 0x01: // one key
keyCode3 = ReadCommand(0xC2);
#ifdef GETC_DEV
keyCode2 = 0;
keyCode1 = 0;
#endif
break;
case 0x02: // two keys
keyCode3 = ReadCommand(0xC3);
#ifdef GETC_DEV
keyCode2 = ReadCommand(0xC2);
keyCode1 = 0;
#endif
break;
case 0x03: // three keys
keyCode3 = ReadCommand(0xC4);
#ifdef GETC_DEV
keyCode2 = ReadCommand(0xC3);
keyCode1 = ReadCommand(0xC2);
#endif
break;
default: // no keys (key released)
keyCode3 = 0xFF;
#ifdef GETC_DEV
keyCode2 = 0;
keyCode1 = 0;
#endif
break;
}
if (keyCode3 == 0xFF)
key = pKeyMap[0]; // Key value 0
else {
row = (keyCode3 >> 4) & 0x03;
col = (keyCode3 & 7);
key = row * 5 + col + 1; // Keys value 1 - 20
if (key > 21) {
key = 21;
}
key = pKeyMap[key];
key |= (keyCode3 & 0x80); // combine the key held flag
}
#if GETC_DEV // for Development only
SetTextCursor(0, 20);
printf(" Reg: %02x\r\n", keyNumReg);
printf(" key1: %02x\r\n", keyCode1);
printf(" key2: %02x\r\n", keyCode2);
printf(" key3: %02x\r\n", keyCode3);
printf(" count: %02X\r\n", count);
printf(" key: %02X\r\n", key);
#endif
WriteCommand(0xF1, 0x10); // Clear KS status
return key;
}
#ifdef PERF_METRICS
void RA8875::ClearPerformance()
{
for (int i=0; i<METRICCOUNT; i++)
metrics[i] = 0;
idletime_usec = 0;
}
void RA8875::RegisterPerformance(method_e method)
{
unsigned long elapsed = performance.read_us();
if (method < METRICCOUNT && elapsed > metrics[method])
metrics[method] = elapsed;
}
void RA8875::CountIdleTime(uint32_t t)
{
idletime_usec += t;
}
void RA8875::ReportPerformance(Serial & pc)
{
pc.printf("\r\nPerformance Metrics\r\n");
for (int i=0; i<METRICCOUNT; i++) {
pc.printf("%10d uS %s\r\n", metrics[i], metricsName[i]);
}
pc.printf("%10d uS Idle time polling display for ready.\r\n", idletime_usec);
}
#endif
bool RA8875::Intersect(rect_t rect, point_t p)
{
if (p.x >= min(rect.p1.x, rect.p2.x) && p.x <= max(rect.p1.x, rect.p2.x)
&& p.y >= min(rect.p1.y, rect.p2.y) && p.y <= max(rect.p1.y, rect.p2.y))
return true;
else
return false;
}
RetCode_t RA8875::WriteCommandW(uint8_t command, uint16_t data)
{
WriteCommand(command, data & 0xFF);
WriteCommand(command+1, data >> 8);
return noerror;
}
RetCode_t RA8875::WriteCommand(unsigned char command, unsigned int data)
{
_select(true);
_spiwrite(0x80); // RS:1 (Cmd/Status), RW:0 (Write)
_spiwrite(command);
if (data <= 0xFF) { // only if in the valid range
_spiwrite(0x00);
_spiwrite(data);
}
_select(false);
return noerror;
}
RetCode_t RA8875::WriteDataW(uint16_t data)
{
_select(true);
_spiwrite(0x00); // RS:0 (Data), RW:0 (Write)
_spiwrite(data & 0xFF);
_spiwrite(data >> 8);
_select(false);
return noerror;
}
RetCode_t RA8875::WriteData(unsigned char data)
{
_select(true);
_spiwrite(0x00); // RS:0 (Data), RW:0 (Write)
_spiwrite(data);
_select(false);
return noerror;
}
unsigned char RA8875::ReadCommand(unsigned char command)
{
WriteCommand(command);
return ReadData();
}
unsigned char RA8875::ReadData(void)
{
unsigned char data;
_select(true);
_spiwrite(0x40); // RS:0 (Data), RW:1 (Read)
data = _spiread();
_select(false);
return data;
}
uint16_t RA8875::ReadDataW(void)
{
uint16_t data;
_select(true);
_spiwrite(0x40); // RS:0 (Data), RW:1 (Read)
data = _spiread();
data |= (_spiread() << 8);
_select(false);
return data;
}
unsigned char RA8875::ReadStatus(void)
{
unsigned char data;
_select(true);
_spiwrite(0xC0); // RS:1 (Cmd/Status), RW:1 (Read) (Read STSR)
data = _spiread();
_select(false);
return data;
}
/// @todo add a timeout and return false, but how long
/// to wait since some operations can be very long.
bool RA8875::_WaitWhileBusy(uint8_t mask)
{
int i = 20000/POLLWAITuSec; // 20 msec max
while (i-- && ReadStatus() & mask) {
wait_us(POLLWAITuSec);
COUNTIDLETIME(POLLWAITuSec);
}
if (i)
return true;
else
return false;
}
/// @todo add a timeout and return false, but how long
/// to wait since some operations can be very long.
bool RA8875::_WaitWhileReg(uint8_t reg, uint8_t mask)
{
int i = 20000/POLLWAITuSec; // 20 msec max
while (i-- && ReadCommand(reg) & mask) {
wait_us(POLLWAITuSec);
COUNTIDLETIME(POLLWAITuSec);
}
if (i)
return true;
else
return false;
}
dim_t RA8875::fontwidth(void)
{
if (font == NULL)
return (((ReadCommand(0x22) >> 2) & 0x3) + 1) * 8;
else
return font[1];
}
dim_t RA8875::fontheight(void)
{
if (font == NULL)
return (((ReadCommand(0x22) >> 0) & 0x3) + 1) * 16;
else
return font[2];
}
RetCode_t RA8875::locate(textloc_t column, textloc_t row)
{
return SetTextCursor(column * fontwidth(), row * fontheight());
}
int RA8875::columns(void)
{
return width() / fontwidth();
}
int RA8875::rows(void)
{
return height() / fontheight();
}
dim_t RA8875::width(void)
{
return (ReadCommand(0x14) + 1) * 8;
}
dim_t RA8875::height(void)
{
return (ReadCommand(0x19) | (ReadCommand(0x1A) << 8)) + 1;
}
dim_t RA8875::color_bpp(void)
{
if ((ReadCommand(0x10) & 0x0C) == 0x04)
return 16;
else
return 8;
}
RetCode_t RA8875::SetTextCursor(loc_t x, loc_t y)
{
cursor_x = x; // set these values for non-internal fonts
cursor_y = y;
WriteCommandW(0x2A, x);
WriteCommandW(0x2C, y);
return noerror;
}
loc_t RA8875::GetTextCursor_Y(void)
{
if (font == NULL)
return ReadCommand(0x2C) | (ReadCommand(0x2D) << 8);
else
return cursor_y;
}
loc_t RA8875::GetTextCursor_X(void)
{
if (font == NULL)
return ReadCommand(0x2A) | (ReadCommand(0x2B) << 8);
else
return cursor_x;
}
RetCode_t RA8875::SetTextCursorControl(cursor_t cursor, bool blink)
{
unsigned char mwcr0 = ReadCommand(0x40) & 0x0F; // retain direction, auto-increase
unsigned char mwcr1 = ReadCommand(0x41) & 0x01; // retain currently selected layer
unsigned char horz = 0;
unsigned char vert = 0;
mwcr0 |= 0x80; // text mode
if (cursor != NOCURSOR)
mwcr0 |= 0x40; // visible
if (blink)
mwcr0 |= 0x20; // blink
WriteCommand(0x40, mwcr0); // configure the cursor
WriteCommand(0x41, mwcr1); // close the graphics cursor
WriteCommand(0x44, 0x1f); // The cursor flashing cycle
switch (cursor) {
case IBEAM:
horz = 0x01;
vert = 0x1F;
break;
case UNDER:
horz = 0x07;
vert = 0x01;
break;
case BLOCK:
horz = 0x07;
vert = 0x1F;
break;
case NOCURSOR:
default:
break;
}
WriteCommand(0x4e, horz); // The cursor size horz
WriteCommand(0x4f, vert); // The cursor size vert
return noerror;
}
RetCode_t RA8875::SetTextFont(RA8875::font_t font)
{
if (/*font >= RA8875::ISO8859_1 && */ font <= RA8875::ISO8859_4) {
WriteCommand(0x21, (unsigned int)(font));
return noerror;
} else {
return bad_parameter;
}
}
RetCode_t RA8875::SetOrientation(RA8875::orientation_t angle)
{
uint8_t fncr1Val = ReadCommand(0x22);
uint8_t dpcrVal = ReadCommand(0x20);
fncr1Val &= ~0x10; // remove the old direction bit
dpcrVal &= ~0x0C; // remove the old scan direction bits
switch (angle) {
case RA8875::normal:
//fncr1Val |= 0x10;
//dpcrVal |= 0x00;
break;
case RA8875::rotate_90:
fncr1Val |= 0x10;
dpcrVal |= 0x08;
break;
case RA8875::rotate_180:
//fncr1Val |= 0x00;
dpcrVal |= 0x0C;
break;
case RA8875::rotate_270:
fncr1Val |= 0x10;
dpcrVal |= 0x04;
break;
default:
return bad_parameter;
}
WriteCommand(0x22, fncr1Val);
return WriteCommand(0x20, dpcrVal);
}
RetCode_t RA8875::SetTextFontControl(fill_t fillit,
RA8875::HorizontalScale hScale,
RA8875::VerticalScale vScale,
RA8875::alignment_t alignment)
{
if (hScale >= 1 && hScale <= 4 &&
vScale >= 1 && vScale <= 4) {
uint8_t fncr1Val = ReadCommand(0x22);
fncr1Val &= ~0x10; // do not disturbe the rotate flag
if (alignment == align_full)
fncr1Val |= 0x80;
if (fillit == NOFILL)
fncr1Val |= 0x40;
fncr1Val |= ((hScale - 1) << 2);
fncr1Val |= ((vScale - 1) << 0);
return WriteCommand(0x22, fncr1Val);
} else {
return bad_parameter;
}
}
RetCode_t RA8875::SetTextFontSize(RA8875::HorizontalScale hScale, RA8875::VerticalScale vScale)
{
unsigned char reg = ReadCommand(0x22);
if (vScale == -1)
vScale = hScale;
if (hScale >= 1 && hScale <= 4 && vScale >= 1 && vScale <= 4) {
reg &= 0xF0; // keep the high nibble as is.
reg |= ((hScale - 1) << 2);
reg |= ((vScale - 1) << 0);
WriteCommand(0x22, reg);
return noerror;
} else {
return bad_parameter;
}
}
int RA8875::_putc(int c)
{
if (font == NULL) {
return _internal_putc(c);
} else {
return _external_putc(c);
}
}
int RA8875::_external_putc(int c)
{
if (c) {
if (c == '\r') {
cursor_x = 0;
} else if (c == '\n') {
cursor_y += font[2];
} else {
int advance = character(cursor_x, cursor_y, c); // advance tells us how many pixels we advanced
//INFO("x,y,advance %d,%d,%d", cursor_x, cursor_y, advance);
if (advance) {
cursor_x += advance;
if (cursor_x >= width()) {
cursor_x = 0;
cursor_y += font[2];
if (cursor_y >= height()) {
cursor_y = 0; // @todo Should it scroll?
}
}
}
}
}
return c;
}
int RA8875::_internal_putc(int c)
{
if (c) {
unsigned char mwcr0;
mwcr0 = ReadCommand(0x40);
if ((mwcr0 & 0x80) == 0x00) {
WriteCommand(0x40, 0x80 | mwcr0); // Put in Text mode if not already
}
if (c == '\r') {
loc_t x;
x = ReadCommand(0x30) | (ReadCommand(0x31) << 8); // Left edge of active window
WriteCommandW(0x2A, x);
} else if (c == '\n') {
loc_t y;
y = ReadCommand(0x2C) | (ReadCommand(0x2D) << 8); // current y location
y += fontheight();
if (y >= height()) // @TODO after bottom of active window, then scroll window?
y = 0;
WriteCommandW(0x2C, y);
} else {
WriteCommand(0x02); // RA8875 Internal Fonts
_select(true);
WriteData(c);
_WaitWhileBusy(0x80);
_select(false);
}
}
return c;
}
RetCode_t RA8875::_StartGraphicsStream(void)
{
WriteCommand(0x40,0x00); // Graphics write mode
WriteCommand(0x02); // Prepare for streaming data
return noerror;
}
RetCode_t RA8875::_EndGraphicsStream(void)
{
return noerror;
}
RetCode_t RA8875::_putp(color_t pixel)
{
WriteDataW((pixel>>8) | (pixel<<8));
return noerror;
}
void RA8875::puts(loc_t x, loc_t y, const char * string)
{
SetTextCursor(x,y);
puts(string);
}
void RA8875::puts(const char * string)
{
unsigned char mwcr0 = ReadCommand(0x40);
if (font == NULL) {
if ((mwcr0 & 0x80) == 0x00)
WriteCommand(0x40,0x80); // Put in Text mode if not already
} else {
_StartGraphicsStream();
}
if (*string != '\0') {
#if 1
while (*string) { // @TODO calling individual _putc is slower... optimizations?
_putc(*string++);
}
#else
WriteCommand(0x02);
_select(true);
while (*string != '\0') {
WriteData(*string);
++string;
_WaitWhileBusy(0x80);
}
_select(false);
#endif
}
if (font)
_EndGraphicsStream();
}
RetCode_t RA8875::SetGraphicsCursor(loc_t x, loc_t y)
{
WriteCommandW(0x46, x);
WriteCommandW(0x48, y);
return noerror;
}
RetCode_t RA8875::SetGraphicsCursorRead(loc_t x, loc_t y)
{
//WriteCommand(0x40, 0); // Graphics mode
//WriteCommand(0x45, 0); // left->right, top->bottom
WriteCommandW(0x4A, x);
WriteCommandW(0x4C, y);
return noerror;
}
RetCode_t RA8875::window(loc_t x, loc_t y, dim_t width, dim_t height)
{
GraphicsDisplay::window(x,y, width,height);
WriteCommandW(0x30, x);
WriteCommandW(0x32, y);
WriteCommandW(0x34, (x+width-1));
WriteCommandW(0x36, (y+height-1));
SetGraphicsCursor(x,y);
return noerror;
}
RetCode_t RA8875::cls(uint16_t layers)
{
RetCode_t ret;
PERFORMANCE_RESET;
if (layers == 0) {
ret = clsw(FULLWINDOW);
ret = SetTextCursor(0,0);
} else if (layers > 3) {
ret = bad_parameter;
} else {
uint16_t prevLayer = GetDrawingLayer();
if (layers & 1) {
SelectDrawingLayer(0);
clsw(FULLWINDOW);
}
if (layers & 2) {
SelectDrawingLayer(1);
clsw(FULLWINDOW);
}
ret = SelectDrawingLayer(prevLayer);
}
REGISTERPERFORMANCE(PRF_CLS);
return ret;
}
RetCode_t RA8875::clsw(RA8875::Region_t region)
{
PERFORMANCE_RESET;
WriteCommand(0x8E, (region == ACTIVEWINDOW) ? 0xC0 : 0x80);
_WaitWhileReg(0x8E, 0x80);
REGISTERPERFORMANCE(PRF_CLS);
return noerror;
}
RetCode_t RA8875::pixel(loc_t x, loc_t y, color_t color)
{
RetCode_t ret;
PERFORMANCE_RESET;
#if 1
ret = pixelStream(&color, 1, x,y);
#else
foreground(color);
ret = pixel(x,y);
#endif
REGISTERPERFORMANCE(PRF_DRAWPIXEL);
return ret;
}
RetCode_t RA8875::pixel(loc_t x, loc_t y)
{
RetCode_t ret;
PERFORMANCE_RESET;
color_t color = GetForeColor();
#if 1
ret = pixelStream(&color, 1, x, y);
#else
WriteCommand(0x40,0x00); // Graphics write mode
SetGraphicsCursor(x, y);
WriteCommand(0x02);
WriteDataW(color);
ret = noerror;
#endif
REGISTERPERFORMANCE(PRF_DRAWPIXEL);
return ret;
}
RetCode_t RA8875::pixelStream(color_t * p, uint32_t count, loc_t x, loc_t y)
{
PERFORMANCE_RESET;
WriteCommand(0x40,0x00); // Graphics write mode
SetGraphicsCursor(x, y);
WriteCommand(0x02);
_select(true);
_spiwrite(0x00); // Cmd: write data
while (count--) {
_spiwrite(*p >> 8);
_spiwrite(*p & 0xFF);
p++;
}
_select(false);
REGISTERPERFORMANCE(PRF_PIXELSTREAM);
return(noerror);
}
color_t RA8875::getPixel(loc_t x, loc_t y)
{
color_t pixel;
PERFORMANCE_RESET;
//WriteCommand(0x45,0x00); // read left->right, top->bottom
WriteCommand(0x40,0x00); // Graphics write mode
SetGraphicsCursorRead(x, y);
WriteCommand(0x02);
_select(true);
_spiwrite(0x40); // Cmd: read data
_spiwrite(0x00); // dummy read
pixel = _spiread();
pixel |= (_spiread() << 8);
_select(false);
REGISTERPERFORMANCE(PRF_READPIXEL);
return pixel;
}
RetCode_t RA8875::getPixelStream(color_t * p, uint32_t count, loc_t x, loc_t y)
{
color_t pixel;
PERFORMANCE_RESET;
//WriteCommand(0x45,0x00); // read left->right, top->bottom
WriteCommand(0x40,0x00); // Graphics write mode
SetGraphicsCursorRead(x, y);
WriteCommand(0x02);
_select(true);
_spiwrite(0x40); // Cmd: read data
_spiwrite(0x00); // dummy read
while (count--) {
pixel = _spiread();
pixel |= (_spiread() << 8);
*p++ = pixel;
}
_select(false);
REGISTERPERFORMANCE(PRF_READPIXELSTREAM);
return noerror;
}
RetCode_t RA8875::line(point_t p1, point_t p2)
{
return line(p1.x, p1.y, p2.x, p2.y);
}
RetCode_t RA8875::line(point_t p1, point_t p2, color_t color)
{
return line(p1.x, p1.y, p2.x, p2.y, color);
}
RetCode_t RA8875::line(loc_t x1, loc_t y1, loc_t x2, loc_t y2, color_t color)
{
foreground(color);
return line(x1,y1,x2,y2);
}
RetCode_t RA8875::line(loc_t x1, loc_t y1, loc_t x2, loc_t y2)
{
PERFORMANCE_RESET;
if (x1 == x2 && y1 == y2) {
pixel(x1, y1);
} else {
WriteCommandW(0x91, x1);
WriteCommandW(0x93, y1);
WriteCommandW(0x95, x2);
WriteCommandW(0x97, y2);
unsigned char drawCmd = 0x00; // Line
WriteCommand(0x90, drawCmd);
WriteCommand(0x90, 0x80 + drawCmd); // Start drawing.
_WaitWhileReg(0x90, 0x80);
}
REGISTERPERFORMANCE(PRF_DRAWLINE);
return noerror;
}
RetCode_t RA8875::fillrect(rect_t r, color_t color, fill_t fillit)
{
return rect(r.p1.x, r.p1.y, r.p2.x, r.p2.y, color, fillit);
}
RetCode_t RA8875::fillrect(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
color_t color, fill_t fillit)
{
return rect(x1,y1,x2,y2,color,fillit);
}
RetCode_t RA8875::rect(rect_t r, color_t color, fill_t fillit)
{
return rect(r.p1.x, r.p1.y, r.p2.x, r.p2.y, color, fillit);
}
RetCode_t RA8875::rect(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
color_t color, fill_t fillit)
{
foreground(color);
return rect(x1,y1,x2,y2,fillit);
}
RetCode_t RA8875::rect(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
fill_t fillit)
{
PERFORMANCE_RESET;
if (x1 == x2 && y1 == y2) {
pixel(x1, y1);
} else if (x1 == x2) {
line(x1, y1, x2, y2);
} else if (y1 == y2) {
line(x1, y1, x2, y2);
} else {
WriteCommandW(0x91, x1);
WriteCommandW(0x93, y1);
WriteCommandW(0x95, x2);
WriteCommandW(0x97, y2);
unsigned char drawCmd = 0x10; // Rectangle
if (fillit == FILL)
drawCmd |= 0x20;
WriteCommand(0x90, drawCmd);
WriteCommand(0x90, 0x80 + drawCmd); // Start drawing.
_WaitWhileReg(0x90, 0x80);
}
REGISTERPERFORMANCE(PRF_DRAWRECTANGLE);
return noerror;
}
RetCode_t RA8875::fillroundrect(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
dim_t radius1, dim_t radius2, color_t color, fill_t fillit)
{
foreground(color);
return roundrect(x1,y1,x2,y2,radius1,radius2,fillit);
}
RetCode_t RA8875::roundrect(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
dim_t radius1, dim_t radius2, color_t color, fill_t fillit)
{
foreground(color);
return roundrect(x1,y1,x2,y2,radius1,radius2,fillit);
}
RetCode_t RA8875::roundrect(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
dim_t radius1, dim_t radius2, fill_t fillit)
{
RetCode_t ret = noerror;
PERFORMANCE_RESET;
if (x1 > x2 || y1 > y2 || (radius1 > (x2-x1)/2) || (radius2 > (y2-y1)/2) ) {
ret = bad_parameter;
} else if (x1 == x2 && y1 == y2) {
pixel(x1, y1);
} else if (x1 == x2) {
line(x1, y1, x2, y2);
} else if (y1 == y2) {
line(x1, y1, x2, y2);
} else {
WriteCommandW(0x91, x1);
WriteCommandW(0x93, y1);
WriteCommandW(0x95, x2);
WriteCommandW(0x97, y2);
WriteCommandW(0xA1, radius1);
WriteCommandW(0xA3, radius2);
// Should not need this...
WriteCommandW(0xA5, 0);
WriteCommandW(0xA7, 0);
unsigned char drawCmd = 0x20; // Rounded Rectangle
if (fillit == FILL)
drawCmd |= 0x40;
WriteCommand(0xA0, drawCmd);
WriteCommand(0xA0, 0x80 + drawCmd); // Start drawing.
_WaitWhileReg(0xA0, 0x80);
}
REGISTERPERFORMANCE(PRF_DRAWROUNDEDRECTANGLE);
return ret;
}
RetCode_t RA8875::triangle(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
loc_t x3, loc_t y3, color_t color, fill_t fillit)
{
RetCode_t ret;
foreground(color);
ret = triangle(x1,y1,x2,y2,x3,y3,fillit);
return ret;
}
RetCode_t RA8875::filltriangle(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
loc_t x3, loc_t y3, color_t color, fill_t fillit)
{
RetCode_t ret;
foreground(color);
ret = triangle(x1,y1,x2,y2,x3,y3,fillit);
return ret;
}
RetCode_t RA8875::triangle(loc_t x1, loc_t y1 ,loc_t x2, loc_t y2,
loc_t x3, loc_t y3, fill_t fillit)
{
RetCode_t ret = noerror;
PERFORMANCE_RESET;
if (x1 == x2 && y1 == y2 && x1 == x3 && y1 == y3) {
pixel(x1, y1);
} else {
WriteCommandW(0x91, x1);
WriteCommandW(0x93, y1);
WriteCommandW(0x95, x2);
WriteCommandW(0x97, y2);
WriteCommandW(0xA9, x3);
WriteCommandW(0xAB, y3);
unsigned char drawCmd = 0x01; // Triangle
if (fillit == FILL)
drawCmd |= 0x20;
WriteCommand(0x90, drawCmd);
WriteCommand(0x90, 0x80 + drawCmd); // Start drawing.
_WaitWhileReg(0x90, 0x80);
}
REGISTERPERFORMANCE(PRF_DRAWTRIANGLE);
return ret;
}
RetCode_t RA8875::circle(point_t p, dim_t radius,
color_t color, fill_t fillit)
{
foreground(color);
return circle(p.x,p.y,radius,fillit);
}
RetCode_t RA8875::fillcircle(point_t p, dim_t radius,
color_t color, fill_t fillit)
{
foreground(color);
return circle(p.x,p.y,radius,fillit);
}
RetCode_t RA8875::circle(point_t p, dim_t radius, fill_t fillit)
{
return circle(p.x,p.y,radius,fillit);
}
RetCode_t RA8875::circle(loc_t x, loc_t y, dim_t radius,
color_t color, fill_t fillit)
{
foreground(color);
return circle(x,y,radius,fillit);
}
RetCode_t RA8875::fillcircle(loc_t x, loc_t y, dim_t radius,
color_t color, fill_t fillit)
{
foreground(color);
return circle(x,y,radius,fillit);
}
RetCode_t RA8875::circle(loc_t x, loc_t y, dim_t radius, fill_t fillit)
{
RetCode_t ret = noerror;
PERFORMANCE_RESET;
if (radius <= 0) {
ret = bad_parameter;
} else if (radius == 1) {
pixel(x,y);
} else {
WriteCommandW(0x99, x);
WriteCommandW(0x9B, y);
WriteCommand(0x9d, radius & 0xFF);
unsigned char drawCmd = 0x00; // Circle
if (fillit == FILL)
drawCmd |= 0x20;
WriteCommand(0x90, drawCmd);
WriteCommand(0x90, 0x40 + drawCmd); // Start drawing.
_WaitWhileReg(0x90, 0x40);
}
REGISTERPERFORMANCE(PRF_DRAWCIRCLE);
return ret;
}
RetCode_t RA8875::ellipse(loc_t x, loc_t y, dim_t radius1, dim_t radius2, color_t color, fill_t fillit)
{
foreground(color);
return ellipse(x,y,radius1,radius2,fillit);
}
RetCode_t RA8875::fillellipse(loc_t x, loc_t y, dim_t radius1, dim_t radius2, color_t color, fill_t fillit)
{
foreground(color);
return ellipse(x,y,radius1,radius2,fillit);
}
RetCode_t RA8875::ellipse(loc_t x, loc_t y, dim_t radius1, dim_t radius2, fill_t fillit)
{
RetCode_t ret = noerror;
PERFORMANCE_RESET;
if (radius1 <= 0 || radius2 <= 0) {
; // do nothing
} else if (radius1 == 1 && radius2 == 1) {
pixel(x, y);
} else {
WriteCommandW(0xA5, x);
WriteCommandW(0xA7, y);
WriteCommandW(0xA1, radius1);
WriteCommandW(0xA3, radius2);
unsigned char drawCmd = 0x00; // Ellipse
if (fillit == FILL)
drawCmd |= 0x40;
WriteCommand(0xA0, drawCmd);
WriteCommand(0xA0, 0x80 + drawCmd); // Start drawing.
_WaitWhileReg(0xA0, 0x80);
}
REGISTERPERFORMANCE(PRF_DRAWELLIPSE);
return ret;
}
RetCode_t RA8875::frequency(unsigned long Hz, unsigned long Hz2)
{
spiwritefreq = Hz;
if (Hz2 != 0)
spireadfreq = Hz2;
else
spireadfreq = Hz/2;
_setWriteSpeed(true);
// __ ___
// Clock ___A Rising edge latched
// ___ ____
// Data ___X____
spi.format(8, 3); // 8 bits and clock to data phase 0
return noerror;
}
void RA8875::_setWriteSpeed(bool writeSpeed)
{
if (writeSpeed) {
spi.frequency(spiwritefreq);
spiWriteSpeed = true;
} else {
spi.frequency(spireadfreq);
spiWriteSpeed = false;
}
}
RetCode_t RA8875::Power(bool on)
{
WriteCommand(0x01, (on) ? 0x80 : 0x00);
return noerror;
}
RetCode_t RA8875::Backlight_u8(unsigned char brightness)
{
static bool is_enabled = false;
if (brightness == 0) {
WriteCommand(0x8a); // Disable the PWM
WriteData(0x00);
is_enabled = false;
} else if (!is_enabled) {
WriteCommand(0x8a); // Enable the PWM
WriteData(0x80);
WriteCommand(0x8a); // Not sure why this is needed, but following the pattern
WriteData(0x81); // open PWM (SYS_CLK / 2 as best I can tell)
is_enabled = true;
}
WriteCommand(0x8b, brightness); // Brightness parameter 0xff-0x00
return noerror;
}
RetCode_t RA8875::Backlight(float brightness)
{
unsigned char b;
if (brightness >= 1.0)
b = 255;
else if (brightness <= 0.0)
b = 0;
else
b = (unsigned char)(brightness * 255);
return Backlight_u8(b);
}
RetCode_t RA8875::set_font(const unsigned char * _font)
{
if (font && ! _font) {
SetTextCursor(cursor_x, cursor_y); // soft-font cursor -> hw cursor
}
font = _font;
GraphicsDisplay::set_font(_font);
return noerror; // trusting them, but it might be good to put some checks in here...
}
RetCode_t RA8875::background(color_t color)
{
GraphicsDisplay::background(color);
WriteCommand(0x60, (color>>11)); // BGCR0
WriteCommand(0x61, (unsigned char)(color>>5)); // BGCR0
WriteCommand(0x62, (unsigned char)(color)); // BGCR0
return noerror;
}
RetCode_t RA8875::background(unsigned char r, unsigned char g, unsigned char b)
{
background(RGB(r,g,b));
// WriteCommand(0x60, r);
// WriteCommand(0x61, g);
// WriteCommand(0x62, b);
return noerror;
}
RetCode_t RA8875::foreground(color_t color)
{
GraphicsDisplay::foreground(color);
WriteCommand(0x63, (unsigned char)(color>>11));
WriteCommand(0x64, (unsigned char)(color>>5));
WriteCommand(0x65, (unsigned char)(color));
return noerror;
}
RetCode_t RA8875::foreground(unsigned char r, unsigned char g, unsigned char b)
{
foreground(RGB(r,g,b));
// WriteCommand(0x63, r);
// WriteCommand(0x64, g);
// WriteCommand(0x65, b);
return noerror;
}
color_t RA8875::GetForeColor(void)
{
color_t color;
color = (ReadCommand(0x63) & 0x1F) << 11;
color |= (ReadCommand(0x64) & 0x3F) << 5;
color |= (ReadCommand(0x65) & 0x1F);
return color;
}
color_t RA8875::DOSColor(int i)
{
const color_t colors[16] = {
Black, Blue, Green, Cyan,
Red, Magenta, Brown, Gray,
Charcoal, BrightBlue, BrightGreen, BrightCyan,
Orange, Pink, Yellow, White
};
if (i < 16)
return colors[i];
else
return 0;
}
const char * RA8875::DOSColorNames(int i)
{
const char * names[16] = {
"Black", "Blue", "Green", "Cyan",
"Red", "Magenta", "Brown", "Gray",
"Charcoal", "BrightBlue", "BrightGreen", "BrightCyan",
"Orange", "Pink", "Yellow", "White"
};
if (i < 16)
return names[i];
else
return NULL;
}
///////////////////////////////////////////////////////////////
// Private functions
unsigned char RA8875::_spiwrite(unsigned char data)
{
unsigned char retval;
if (!spiWriteSpeed)
_setWriteSpeed(true);
retval = spi.write(data);
return retval;
}
unsigned char RA8875::_spiread(void)
{
unsigned char retval;
unsigned char data = 0;
if (spiWriteSpeed)
_setWriteSpeed(false);
retval = spi.write(data);
return retval;
}
RetCode_t RA8875::_select(bool chipsel)
{
cs = (chipsel == true) ? 0 : 1;
return noerror;
}
RetCode_t RA8875::PrintScreen(uint16_t layer, loc_t x, loc_t y, dim_t w, dim_t h, const char *Name_BMP)
{
#if 1
(void)layer;
return PrintScreen(x, y, w, h, Name_BMP);
#else
// This is the deprecated interface and with the changes it is no longer implemented correctly.
uint16_t curLayer = GetDrawingLayer();
RetCode_t ret = SelectDrawingLayer(layer);
if (ret == noerror) {
ret = PrintScreen(x, y, w, h, Name_BMP);
}
SelectDrawingLayer(curLayer);
return ret;
#endif
}
RetCode_t RA8875::PrintScreen(loc_t x, loc_t y, dim_t w, dim_t h, const char *Name_BMP)
{
BITMAPFILEHEADER BMP_Header;
BITMAPINFOHEADER BMP_Info;
INFO("(%d,%d) - (%d,%d) %s", x,y,w,h,Name_BMP);
if (x >= 0 && x < width()
&& y >= 0 && y < height()
&& w > 0 && x + w <= width()
&& h > 0 && y + h <= height()) {
BMP_Header.bfType = BF_TYPE;
BMP_Header.bfSize = (w * h * sizeof(RGBQUAD)) + sizeof(BMP_Header) + sizeof(BMP_Header);
BMP_Header.bfReserved1 = 0;
BMP_Header.bfReserved2 = 0;
BMP_Header.bfOffBits = sizeof(BMP_Header) + sizeof(BMP_Header);
BMP_Info.biSize = sizeof(BMP_Info);
BMP_Info.biWidth = w;
BMP_Info.biHeight = h;
BMP_Info.biPlanes = 1;
BMP_Info.biBitCount = 24;
BMP_Info.biCompression = BI_RGB;
BMP_Info.biSizeImage = 0;
BMP_Info.biXPelsPerMeter = 0;
BMP_Info.biYPelsPerMeter = 0;
BMP_Info.biClrUsed = 0;
BMP_Info.biClrImportant = 0;
INFO("Writing {%s}", Name_BMP);
FILE *Image = fopen(Name_BMP, "wb");
if (!Image) {
ERR("File not found");
return(file_not_found);
}
// Be optimistic - don't check for errors.
//HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header));
fwrite(&BMP_Header, sizeof(char), sizeof(BMP_Header), Image);
//INFO("fwrite returned %d", r);
//HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info));
fwrite(&BMP_Info, sizeof(char), sizeof(BMP_Info), Image);
//INFO("fwrite returned %d", r);
int lineBufSize = ((24 * w + 7)/8);
uint8_t * lineBuffer = (uint8_t *)malloc(lineBufSize);
if (lineBuffer == NULL) {
fclose(Image);
ERR("Not enough RAM for lineBuffer");
return(not_enough_ram);
}
color_t * pixelBuffer = (color_t *)malloc(w * sizeof(color_t));
color_t * pixelBuffer2 = (color_t *)malloc(w * sizeof(color_t));
color_t transparency = GetBackgroundTransparencyColor();
unsigned char ltpr0 = ReadCommand(0x52) & 0x7;
if (pixelBuffer == NULL || pixelBuffer2 == NULL) {
fclose(Image);
free(lineBuffer);
ERR("Not enough RAM for pixelBuffer");
if (pixelBuffer)
free(pixelBuffer);
return(not_enough_ram);
}
uint16_t prevLayer = GetDrawingLayer();
// If only one of the layers is visible, select that layer
switch(ltpr0) {
case 0:
SelectDrawingLayer(0);
break;
case 1:
SelectDrawingLayer(1);
break;
default:
break;
}
// Read the display from the last line toward the top
// so we can write the file in one pass.
for (int j = h - 1; j >= 0; j--) {
if (ltpr0 >= 2) // Need to combine the layers...
SelectDrawingLayer(0); // so read layer 0 first
// Read one line of pixels to a local buffer
if (getPixelStream(pixelBuffer, w, x,y+j) != noerror) {
ERR("getPixelStream error, and no recovery handler...");
}
if (ltpr0 >= 2) { // Need to combine the layers...
SelectDrawingLayer(1); // so read layer 0 first
if (getPixelStream(pixelBuffer2, w, x,y+j) != noerror) {
ERR("getPixelStream error, and no recovery handler...");
}
}
// Convert the local buffer to RGBQUAD format
int lb = 0;
for (int i=0; i<w; i++) {
RGBQUAD q0 = RGB16ToRGBQuad(pixelBuffer[x+i]); // Scale to 24-bits
RGBQUAD q1 = RGB16ToRGBQuad(pixelBuffer2[x+i]); // Scale to 24-bits
switch (ltpr0) {
case 0:
case 1:
case 2: // lighten-overlay (@TODO Not supported yet)
case 6: // Floating Windows (@TODO not sure how to support)
default: // Reserved...
lineBuffer[lb++] = q0.rgbBlue;
lineBuffer[lb++] = q0.rgbGreen;
lineBuffer[lb++] = q0.rgbRed;
break;
case 3: // transparent mode (@TODO Read the background color register for transparent)
case 4: // boolean or
lineBuffer[lb++] = q0.rgbBlue | q1.rgbBlue;
lineBuffer[lb++] = q0.rgbGreen | q1.rgbGreen;
lineBuffer[lb++] = q0.rgbRed | q1.rgbRed;
break;
case 5: // boolean AND
lineBuffer[lb++] = q0.rgbBlue & q1.rgbBlue;
lineBuffer[lb++] = q0.rgbGreen & q1.rgbGreen;
lineBuffer[lb++] = q0.rgbRed & q1.rgbRed;
break;
}
}
if (j == h - 1)
HexDump("Line", lineBuffer, lineBufSize);
// Write to disk
fwrite(lineBuffer, sizeof(char), lb, Image);
}
SelectDrawingLayer(prevLayer);
fclose(Image);
free(pixelBuffer2); // don't leak memory.
free(pixelBuffer);
free(lineBuffer);
INFO("Image closed");
return noerror;
} else {
return bad_parameter;
}
}
// ##########################################################################
// ##########################################################################
// ##########################################################################
#ifdef TESTENABLE
#include "Arial12x12.h"
#include "Small_6.h"
// ______________ ______________ ______________ _______________
// /_____ _____/ / ___________/ / ___________/ /_____ ______/
// / / / / / / / /
// / / / /___ / /__________ / /
// / / / ____/ /__________ / / /
// / / / / / / / /
// / / / /__________ ___________/ / / /
// /__/ /_____________/ /_____________/ /__/
//
// Everything from here down is test code.
//
bool SuppressSlowStuff = false;
void TextWrapTest(RA8875 & display, Serial & pc)
{
if (!SuppressSlowStuff)
pc.printf("Text Wrap Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.Backlight_u8(255);
display.puts(0,0, "Text Wrap Test.\r\n");
for (int i=1; i<60; i++) {
display.printf("L%2d\n", i % 17);
if (!SuppressSlowStuff)
wait_ms(100);
}
if (!SuppressSlowStuff)
wait_ms(3000);
}
void ShowKey(RA8875 & display, int key)
{
loc_t col, row;
dim_t r1 = 25;
color_t color = (key & 0x80) ? Red : Green;
key &= 0x7F; // remove the long-press flag
row = (key - 1) / 5;
col = (key - 1) % 5;
if (col > 5) col = 5;
if (row > 4) row = 4;
display.circle(450 - + (2 * r1) * col, 200 - (2 * r1) * row, r1-2, color, FILL);
}
void HideKey(RA8875 & display, int key)
{
loc_t col, row;
dim_t r1 = 25;
row = (key - 1) / 5;
col = (key - 1) % 5;
if (col > 5) col = 5;
if (row > 4) row = 4;
display.background(Black);
display.circle(450 - (2 * r1) * col, 200 - (2 * r1) * row, r1-2, Black, FILL);
display.circle(450 - (2 * r1) * col, 200 - (2 * r1) * row, r1-2, Blue);
}
void KeyPadTest(RA8875 & display, Serial & pc)
{
const uint8_t myMap[22] = {
0,
'a', 'b', 'c', 'd', 'e',
'f', 'g', 'h', 'i', 'j',
'k', 'l', 'm', 'n', 'o',
'p', 'q', 'r', 's', 't',
'x'
};
display.background(Black);
display.foreground(Blue);
display.cls();
display.Backlight_u8(255);
display.puts(0,0, "KeyPad Test. Touch the keypad...");
pc.printf("\r\n"
"Raw KeyPad Test. Keypad returns the key-number.\r\n"
"Press [most] any PC keyboard key to advance to next test.\r\n");
RetCode_t ret = display.KeypadInit(true, true, 3, 7, 3);
if (ret != noerror)
pc.printf("returncode from KeypadInit is %d\r\n", ret);
int lastKey = 0;
while (!pc.readable()) {
if (display.readable()) {
int key = display.getc();
if (key) {
if (((key & 0x7F) != lastKey) && (lastKey != 0))
HideKey(display, lastKey);
ShowKey(display, key);
lastKey = key & 0x7F;
} else {
// erase the last one
if (lastKey)
HideKey(display, lastKey);
}
}
}
(void)pc.getc();
pc.printf("\r\n"
"Map KeyPad Test. Keypad returns the remapped key 'a' - 't'.\r\n"
"Press [most] any PC keyboard key to advance to exit test.\r\n");
display.SetKeyMap(myMap);
while (!pc.readable()) {
if (display.readable()) {
int key = display.getc();
bool longPress = key & 0x80;
display.SetTextCursor(0, 120);
display.printf("Long Press: %d\r\n", longPress);
display.printf(" Remapped: %c %02X\r\n", (key) ? key & 0x7F : ' ', key);
}
}
(void)pc.getc();
display.SetKeyMap();
pc.printf("\r\n");
}
void TextCursorTest(RA8875 & display, Serial & pc)
{
const char * iCursor = "The I-Beam cursor should be visible for this text.\r\n";
const char * uCursor = "The Underscore cursor should be visible for this text.\r\n";
const char * bCursor = "The Block cursor should be visible for this text.\r\n";
const char * bbCursor = "The Blinking Block cursor should be visible for this text.\r\n";
const char * p;
int delay = 100;
if (!SuppressSlowStuff)
pc.printf("Text Cursor Test\r\n");
else
delay = 0;
display.background(Black);
display.foreground(Blue);
display.cls();
display.Backlight_u8(255);
display.puts(0,0, "Text Cursor Test.");
// visible, non-blinking
display.SetTextCursor(0,20);
display.SetTextCursorControl(RA8875::IBEAM, false);
p = iCursor;
while (*p) {
display._putc(*p++);
wait_ms(delay);
}
display.SetTextCursorControl(RA8875::UNDER, false);
p = uCursor;
while (*p) {
display._putc(*p++);
wait_ms(delay);
}
display.SetTextCursorControl(RA8875::BLOCK, false);
p = bCursor;
while (*p) {
display._putc(*p++);
wait_ms(delay);
}
display.SetTextCursorControl(RA8875::BLOCK, true);
p = bbCursor;
while (*p) {
display._putc(*p++);
wait_ms(delay);
}
wait_ms(delay * 20);
display.SetTextCursorControl(RA8875::NOCURSOR, false);
}
void BacklightTest(RA8875 & display, Serial & pc, float ramptime)
{
char buf[60];
unsigned int w = (ramptime * 1000)/ 256;
int delay = 200;
if (!SuppressSlowStuff)
pc.printf("Backlight Test - ramp over %f sec.\r\n", ramptime);
else {
delay = 0;
w = 0;
}
display.Backlight_u8(0);
display.background(White);
display.foreground(Blue);
display.cls();
wait_ms(delay);
display.puts(0,0, "RA8875 Backlight Test - Ramp up.");
for (int i=0; i <= 255; i++) {
sprintf(buf, "%3d, %4d", i, w);
display.puts(100,100,buf);
display.Backlight_u8(i);
wait_ms(w);
}
}
void BacklightTest2(RA8875 & display, Serial & pc)
{
int delay = 20;
if (!SuppressSlowStuff)
pc.printf("Backlight Test 2\r\n");
else
delay = 0;
// Dim it out at the end of the tests.
display.foreground(Blue);
display.puts(0,0, "Ramp Backlight down.");
// Ramp it off
for (int i=255; i != 0; i--) {
display.Backlight_u8(i);
wait_ms(delay);
}
display.Backlight_u8(0);
}
void ExternalFontTest(RA8875 & display, Serial & pc)
{
if (!SuppressSlowStuff)
pc.printf("External Font Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.Backlight(1);
display.puts(0,0, "External Font Test.");
display.set_font(Small_6);
display.puts(0,30, "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\r\n");
display.set_font(Arial12x12);
display.puts("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\r\n");
display.set_font(); // restore to internal
display.puts("Normal font again.");
//display.window(0,0, display.width(), display.height());
}
void DOSColorTest(RA8875 & display, Serial & pc)
{
if (!SuppressSlowStuff)
pc.printf("DOS Color Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "DOS Colors - Fore");
display.puts(280,0, "Back");
display.background(Gray);
for (int i=0; i<16; i++) {
display.foreground(display.DOSColor(i));
display.puts(160, i*16, display.DOSColorNames(i));
display.background(Black);
}
display.foreground(White);
for (int i=0; i<16; i++) {
display.background(display.DOSColor(i));
display.puts(360, i*16, display.DOSColorNames(i));
display.foreground(White);
}
}
void WebColorTest(RA8875 & display, Serial & pc)
{
if (!SuppressSlowStuff)
pc.printf("Web Color Test\r\n");
display.background(Black);
display.foreground(Blue);
display.window(0,0, display.width(), display.height());
display.cls();
display.SetTextFontSize(1,1);
display.puts(200,0, "Web Color Test");
display.SetTextCursor(0,0);
display.puts(" ");
for (int i=0; i<16; i++)
display.printf("%X", i&0xF);
display.puts("\r\n0 ");
for (int i=0; i<sizeof(WebColors)/sizeof(WebColors[0]); i++) {
display.background(WebColors[i]);
display.puts(" ");
if (i % 16 == 15 && i < 255) {
display.printf("\r\n%X ", ((i+1)/16));
}
}
display.SetTextFontSize(1,1);
}
void PixelTest(RA8875 & display, Serial & pc)
{
int i, c, x, y;
if (!SuppressSlowStuff)
pc.printf("Pixel Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Pixel Test");
for (i=0; i<1000; i++) {
x = rand() % 480;
y = 16 + rand() % (272-16);
c = rand() % 16;
//pc.printf(" (%d,%d) - %d\r\n", x,y,r1);
display.pixel(x,y, display.DOSColor(c));
}
}
void LineTest(RA8875 & display, Serial & pc)
{
int i, x, y, x2, y2;
if (!SuppressSlowStuff)
pc.printf("Line Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Line Test");
for (i=0; i<16; i++) {
// Lines
x = rand() % 480;
y = rand() % 272;
x2 = rand() % 480;
y2 = rand() % 272;
display.line(x,y, x2,y2, display.DOSColor(i));
}
display.foreground(BrightRed);
display.foreground(BrightGreen);
display.foreground(BrightBlue);
display.line(55,50, 79,74, BrightRed);
display.line(57,50, 81,74, BrightGreen);
display.line(59,50, 83,74, BrightBlue);
// horz
display.line(30,40, 32,40, BrightRed);
display.line(30,42, 32,42, BrightGreen);
display.line(30,44, 32,44, BrightBlue);
// vert
display.line(20,40, 20,42, BrightRed);
display.line(22,40, 22,42, BrightGreen);
display.line(24,40, 24,42, BrightBlue);
// compare point to line-point
display.pixel(20,50, BrightRed);
display.pixel(22,50, BrightGreen);
display.pixel(24,50, BrightBlue);
display.line(20,52, 20,52, BrightRed);
display.line(22,52, 22,52, BrightGreen);
display.line(24,52, 24,52, BrightBlue);
// point
display.line(50,50, 50,50, Red);
display.line(52,52, 52,52, Green);
display.line(54,54, 54,54, Blue);
display.line(60,60, 60,60, BrightRed);
display.line(62,62, 62,62, BrightGreen);
display.line(64,64, 64,64, BrightBlue);
display.line(70,70, 70,70, DarkRed);
display.line(72,72, 72,72, DarkGreen);
display.line(74,74, 74,74, DarkBlue);
}
void RectangleTest(RA8875 & display, Serial & pc)
{
int i, x1,y1, x2,y2;
if (!SuppressSlowStuff)
pc.printf("Rectangle Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Rectangle Test");
for (i=0; i<16; i++) {
x1 = rand() % 240;
y1 = 50 + rand() % 200;
x2 = rand() % 240;
y2 = 50 + rand() % 200;
display.rect(x1,y1, x2,y2, display.DOSColor(i));
x1 = 240 + rand() % 240;
y1 = 50 + rand() % 200;
x2 = 240 + rand() % 240;
y2 = 50 + rand() % 200;
display.rect(x1,y1, x2,y2, FILL);
}
}
void LayerTest(RA8875 & display, Serial & pc)
{
loc_t i, x1,y1, x2,y2, r1,r2;
if (!SuppressSlowStuff)
pc.printf("Layer Test\r\n");
display.SelectDrawingLayer(0);
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Layer 0");
for (i=0; i<16; i++) {
x1 = rand() % 240;
y1 = 50 + rand() % 200;
x2 = x1 + rand() % 100;
y2 = y1 + rand() % 100;
r1 = rand() % (x2 - x1)/2;
r2 = rand() % (y2 - y1)/2;
display.roundrect(x1,y1, x2,y2, r1,r2, display.DOSColor(i));
if (!SuppressSlowStuff)
wait_ms(20);
}
if (!SuppressSlowStuff)
wait_ms(1000);
display.SelectDrawingLayer(1);
display.background(Black);
display.foreground(Yellow);
display.cls();
display.puts(240,0, "Layer 1");
for (i=0; i<16; i++) {
x1 = 300 + rand() % 100;
y1 = 70 + rand() % 200;
r1 = rand() % min(y1 - 20, 100);
display.circle(x1,y1,r1, display.DOSColor(i));
if (!SuppressSlowStuff)
wait_ms(20);
}
display.SetLayerMode(RA8875::ShowLayer1); // Show it after the build-up
if (!SuppressSlowStuff)
wait_ms(2000);
display.SelectDrawingLayer(0);
display.SetLayerMode(RA8875::ShowLayer0); // Show Layer 0 again
if (!SuppressSlowStuff)
wait_ms(1000);
display.SetLayerMode(RA8875::TransparentMode); // Transparent mode
if (!SuppressSlowStuff)
wait_ms(1000);
for (i=0; i<=8; i++) {
display.SetLayerTransparency(i, 8-i);
if (!SuppressSlowStuff)
wait_ms(200);
}
// Restore before we exit
display.SetLayerTransparency(0, 0);
display.SetLayerMode(RA8875::ShowLayer0); // Restore to layer 0
}
void RoundRectTest(RA8875 & display, Serial & pc)
{
loc_t i, x1,y1, x2,y2, r1,r2;
if (!SuppressSlowStuff)
pc.printf("Round Rectangle Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Rounded Rectangle Test");
for (i=0; i<16; i++) {
x1 = rand() % 240;
y1 = 50 + rand() % 200;
x2 = x1 + rand() % 100;
y2 = y1 + rand() % 100;
r1 = rand() % (x2 - x1)/2;
r2 = rand() % (y2 - y1)/2;
display.roundrect(x1,y1, x2,y2, 5,8, display.DOSColor(i));
x1 = 240 + rand() % 240;
y1 = 50 + rand() % 200;
x2 = x1 + rand() % 100;
y2 = y1 + rand() % 100;
r1 = rand() % (x2 - x1)/2;
r2 = rand() % (y2 - y1)/2;
display.roundrect(x1,y1, x2,y2, r1,r2, FILL);
}
}
void TriangleTest(RA8875 & display, Serial & pc)
{
int i, x1, y1, x2, y2, x3, y3;
if (!SuppressSlowStuff)
pc.printf("Triangle Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Triangle Test");
x1 = 150;
y1 = 2;
x2 = 190;
y2 = 7;
x3 = 170;
y3 = 16;
display.triangle(x1,y1, x2,y2, x3,y3);
x1 = 200;
y1 = 2;
x2 = 240;
y2 = 7;
x3 = 220;
y3 = 16;
display.filltriangle(x1,y1, x2,y2, x3,y3, BrightRed);
x1 = 300;
y1 = 2;
x2 = 340;
y2 = 7;
x3 = 320;
y3 = 16;
display.triangle(x1,y1, x2,y2, x3,y3, NOFILL);
x1 = 400;
y1 = 2;
x2 = 440;
y2 = 7;
x3 = 420;
y3 = 16;
display.triangle(x1,y1, x2,y2, x3,y3, Blue);
for (i=0; i<16; i++) {
x1 = rand() % 240;
y1 = 50 + rand() % 200;
x2 = rand() % 240;
y2 = 50 + rand() % 200;
x3 = rand() % 240;
y3 = 50 + rand() % 200;
display.triangle(x1,y1, x2,y2, x3,y3, display.DOSColor(i));
x1 = 240 + rand() % 240;
y1 = 50 + rand() % 200;
x2 = 240 + rand() % 240;
y2 = 50 + rand() % 200;
x3 = 240 + rand() % 240;
y3 = 50 + rand() % 200;
display.triangle(x1,y1, x2,y2, x3,y3, FILL);
}
}
void CircleTest(RA8875 & display, Serial & pc)
{
int i, x, y, r1;
if (!SuppressSlowStuff)
pc.printf("Circle Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Circle Test");
for (i=0; i<16; i++) {
x = 100 + rand() % 100;
y = 70 + rand() % 200;
r1 = rand() % min(y - 20, 100);
//pc.printf(" (%d,%d) - %d\r\n", x,y,r1);
display.circle(x,y,r1, display.DOSColor(i));
x = 300 + rand() % 100;
y = 70 + rand() % 200;
r1 = rand() % min(y - 20, 100);
//pc.printf(" (%d,%d) - %d FILL\r\n", x,y,r1);
display.circle(x,y,r1, display.DOSColor(i), FILL);
}
}
void EllipseTest(RA8875 & display, Serial & pc)
{
int i,x,y,r1,r2;
if (!SuppressSlowStuff)
pc.printf("Ellipse Test\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Ellipse Test");
for (i=0; i<16; i++) {
x = 100 + rand() % 100;
y = 70 + rand() % 200;
r1 = rand() % min(y - 20, 100);
r2 = rand() % min(y - 20, 100);
display.ellipse(x,y,r1,r2, display.DOSColor(i));
x = 300 + rand() % 100;
y = 70 + rand() % 200;
r1 = rand() % min(y - 20, 100);
r2 = rand() % min(y - 20, 100);
display.ellipse(x,y,r1,r2, FILL);
}
}
void TestGraphicsBitmap(RA8875 & display, Serial & pc)
{
LocalFileSystem local("local");
if (!SuppressSlowStuff)
pc.printf("Bitmap File Load\r\n");
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Graphics Test, loading /local/TestPat.bmp");
wait(3);
int r = display.RenderBitmapFile(0,0, "/local/TestPat.bmp");
if (!SuppressSlowStuff)
pc.printf(" returned %d\r\n", r);
}
void TouchPanelTest(RA8875 & display, Serial & pc)
{
Timer t;
loc_t x, y;
tpMatrix_t calmatrix;
display.background(Black);
display.foreground(Blue);
display.cls();
display.puts(0,0, "Touch Panel Test\r\n");
pc.printf("Touch Panel Test\r\n");
display.TouchPanelInit();
pc.printf(" TP: c - calibrate, r - restore, t - test\r\n");
int c = pc.getc();
if (c == 'c') {
point_t pTest[3] =
{ { 50, 50 }, {450, 150}, {225,250} };
point_t pSample[3];
for (int i=0; i<3; i++) {
display.foreground(Blue);
display.printf(" (%3d,%3d) => ", pTest[i].x, pTest[i].y);
display.line(pTest[i].x-10, pTest[i].y, pTest[i].x+10, pTest[i].y, White);
display.line(pTest[i].x, pTest[i].y-10, pTest[i].x, pTest[i].y+10, White);
while (!display.TouchPanelA2DFiltered(&x, &y))
wait_ms(20);
pSample[i].x = x;
pSample[i].y = y;
display.line(pTest[i].x-10, pTest[i].y, pTest[i].x+10, pTest[i].y, Black);
display.line(pTest[i].x, pTest[i].y-10, pTest[i].x, pTest[i].y+10, Black);
display.foreground(Blue);
display.printf(" (%4d,%4d)\r\n", x,y);
while (display.TouchPanelA2DFiltered(&x, &y))
wait_ms(20);
wait(2);
}
display.TouchPanelComputeCalibration(pTest, pSample, &calmatrix);
display.printf(" Writing calibration to tpcal.cfg\r\n");
FILE * fh = fopen("/local/tpcal.cfg", "wb");
if (fh) {
fwrite(&calmatrix, sizeof(calmatrix), 1, fh);
fclose(fh);
}
display.printf(" Calibration is complete.");
} else if (c == 'r') {
display.printf(" Reading calibration from tpcal.cfg\r\n");
FILE * fh = fopen("/local/tpcal.cfg", "rb");
if (fh) {
fread(&calmatrix, sizeof(calmatrix), 1, fh);
fclose(fh);
}
display.printf(" Calibration is complete.");
display.TouchPanelSetMatrix(&calmatrix);
}
t.start();
do {
point_t point = {0, 0};
if (display.TouchPanelReadable(&point)) {
display.pixel(point.x, point.y, Red);
}
} while (t.read_ms() < 30000);
pc.printf(">");
}
void SpeedTest(RA8875 & display, Serial & pc)
{
Timer t;
SuppressSlowStuff = true;
pc.printf("\r\nSpeedTest disables delays, runs tests, reports overall time.\r\n");
t.start();
// do stuff fast
TextCursorTest(display, pc);
TextWrapTest(display, pc);
BacklightTest(display, pc, 0);
BacklightTest2(display, pc);
ExternalFontTest(display, pc);
DOSColorTest(display, pc);
WebColorTest(display, pc);
PixelTest(display, pc);
LineTest(display, pc);
RectangleTest(display, pc);
RoundRectTest(display, pc);
TriangleTest(display, pc);
CircleTest(display, pc);
EllipseTest(display, pc);
LayerTest(display, pc);
//TestGraphicsBitmap(display, pc);
pc.printf("SpeedTest completed in %d msec\r\n", t.read_ms());
#ifdef PERF_METRICS
display.ReportPerformance(pc);
#endif
SuppressSlowStuff = false;
}
void PrintScreen(RA8875 & display, Serial & pc)
{
if (!SuppressSlowStuff)
pc.printf("PrintScreen\r\n");
display.PrintScreen( 0,0, 480,272, "/local/Capture.bmp");
}
void RunTestSet(RA8875 & lcd, Serial & pc)
{
int q = 0;
int automode = 0;
const unsigned char modelist[] = "BDWtGLlFROTPCEbw"; // auto-test in this order.
while(1) {
pc.printf("\r\n"
"B - Backlight up b - backlight dim\r\n"
"D - DOS Colors W - Web Colors\r\n"
"t - text cursor G - Graphics Bitmap\r\n"
"L - Lines F - external Font\r\n"
"R - Rectangles O - rOund rectangles\r\n"
"T - Triangles P - Pixels \r\n"
"C - Circles E - Ellipses\r\n"
"A - Auto Test mode S - Speed Test\r\n"
"K - Keypad Test s - touch screen test\r\n"
"p - print screen r - reset \r\n"
"l - layer test w - wrapping text \r\n"
#ifdef PERF_METRICS
"0 - clear performance 1 - report performance\r\n"
#endif
"> ");
if (automode == -1 || pc.readable()) {
automode = -1;
q = pc.getc();
while (pc.readable())
pc.getc();
} else if (automode >= 0) {
q = modelist[automode];
}
switch(q) {
#ifdef PERF_METRICS
case '0':
lcd.ClearPerformance();
break;
case '1':
lcd.ReportPerformance(pc);
break;
#endif
case 'A':
automode = 0;
break;
case 'B':
BacklightTest(lcd, pc, 2);
break;
case 'b':
BacklightTest2(lcd, pc);
break;
case 'D':
DOSColorTest(lcd, pc);
break;
case 'K':
KeyPadTest(lcd, pc);
break;
case 'W':
WebColorTest(lcd, pc);
break;
case 't':
TextCursorTest(lcd, pc);
break;
case 'w':
TextWrapTest(lcd, pc);
break;
case 'F':
ExternalFontTest(lcd, pc);
break;
case 'L':
LineTest(lcd, pc);
break;
case 'l':
LayerTest(lcd, pc);
break;
case 'R':
RectangleTest(lcd, pc);
break;
case 'O':
RoundRectTest(lcd, pc);
break;
case 'p':
PrintScreen(lcd, pc);
break;
case 'S':
SpeedTest(lcd, pc);
break;
case 's':
TouchPanelTest(lcd, pc);
break;
case 'T':
TriangleTest(lcd, pc);
break;
case 'P':
PixelTest(lcd, pc);
break;
case 'G':
TestGraphicsBitmap(lcd, pc);
break;
case 'C':
CircleTest(lcd, pc);
break;
case 'E':
EllipseTest(lcd, pc);
break;
case 'r':
pc.printf("Resetting ...\r\n");
wait_ms(20);
mbed_reset();
break;
case ' ':
break;
default:
printf("huh?\n");
break;
}
if (automode >= 0) {
automode++;
if (automode >= sizeof(modelist))
automode = 0;
wait_ms(2000);
}
wait_ms(200);
}
}
#endif // TESTENABLE