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module 'Spark' 'cat;Input'
author 'FABLAB BH credits Turgut for the OLED Graphics'
version 1 1
depends /Spark_Digital /Spark_Analog /Spark_MP /Spark_PWM /Spark_I2C
choices ModeMenu Horizontal Vertical
choices OnOffMenu On Off
choices VideoMenu Inverse Normal
choices DispTypeMenu 'OLED_0.96in' 'OLED_2.42in'
description 'Supports 0.96in and 2.42in OLED Displays with SD1306 and SD1309 chipsets. Comm mode is I2C or SPI.
Changes:
- always display buffer
- defer display updates block
- remove reveal
- switch to x (0-127), y (0-63)
- Pruned commands and vars
- textX and textY
- Text at any x and y
- handles newLines
- removed dependencies
- unified data format for chars, sprites, and images
- image draw at any x,y
- filled rectangle
- image draw bug fix
- stack overflow fix
- improve conversion ops, i2c io, rect fill, img processing, and buffer displays
- reduce i2c buffer to 128 bytes
- reduce i2c buffer to 64 bytes
- correct internal draws, clean-up vars, restore _clearDisplay
'
variables OLEDReady OLEDi2cAddr _GDBuffer _cDecTBL _comma _cTABLE _comMode _dcPin _delayGDUpd _displayType _eol _resetPin _textX _textY _dataPrefix _byteCount _imgData _imgWidth _imgHeight
spec ' ' 'OLEDInit_I2C' 'initialize i2c _ address(hex) _ reset pin# _ flip _' 'str.DispTypeMenu auto str bool' 'OLED_0.96in' '3C' '-' false
spec ' ' 'OLEDInit_SPI' 'initialize spi _ d/c pin# _ reset pin# _ flip _' 'str.DispTypeMenu auto auto bool' 'OLED_2.42in' 16 8 false
spec ' ' 'OLEDwrite' 'write _ at x _ y _ inverse _' 'auto auto auto bool' 'Hello!' 0 0 false
spec ' ' 'OLEDshowGDBuffer' 'show display buffer'
spec ' ' 'OLEDclear' 'clear'
spec ' ' 'OLEDcontrast' 'set contrast (1-4) _' 'auto' 2
spec ' ' 'OLEDdrawCircle' 'draw circle at x _ y _ radius _ erase _' 'auto auto auto bool' 64 32 '10' false
spec ' ' 'OLEDdrawImage' 'draw image _ at x _ y _' 'auto auto auto' 0 0 0
spec ' ' 'OLEDdrawLine' 'draw line from x _ y _ to x _ y _ erase _' 'auto auto auto auto bool' 0 0 127 63 false
spec ' ' 'OLEDdrawRect' 'draw rectangle x _ y _ w _ h _ erase _ rounding(3-15) _' 'auto auto auto auto bool auto' 0 0 127 63 false 0
spec ' ' 'OLEDfillRect' 'fill rectangle x _ y _ w _ h _ erase _' 'auto auto auto auto bool' 20 20 30 20 false
spec ' ' '_OLEDflip' '_flip display top _' 'bool' false
spec 'r' 'OLEDmakeImage' 'make image _' 'microbitDisplay' 33084991
spec ' ' 'OLEDpixel' 'set pixel x _ y _ erase _' 'auto auto bool' 0 0 false
spec ' ' 'OLEDsetVideo' 'set video _' 'str.VideoMenu' 'Inverse'
spec 'r' 'OLEDwru' 'cursor location'
spec ' ' 'defer display updates' 'defer display updates'
spec ' ' '_GDDRAMoff' '_GDDRAMoff'
spec ' ' '_GDDRAMon' '_GDDRAMon'
spec ' ' '_OLEDcursorReset' '_cursor reset'
spec ' ' '_OLEDsetDisplay' '_set display _' 'str.OnOffMenu' 'On'
spec ' ' '_OLEDreset' '_set reset Pin# _' 'auto' '0'
spec ' ' '_SPIWriteCmd' '_SPIWriteCmd'
spec ' ' '_SPIWriteData' '_SPIWriteData'
spec ' ' '_T1' '_T1'
spec ' ' '_T2' '_T2'
spec ' ' '_T3' '_T3'
spec 'r' '_cBMP' '_cBMP _ InvYN _' 'auto bool' '' false
spec ' ' '_clearDisplay' '_clearDisplay'
spec ' ' '_corner' '_corner _ _ _ _ _' 'auto auto auto auto bool' 'TL' 32 1 0 true
spec 'r' '_dec2hex' '_dec2hex _' 'auto' 0
spec ' ' '_initChars' '_initChars'
spec ' ' '_initCheck' '_initCheck'
spec ' ' '_initDisplayHW' '_initDisplayHW'
spec ' ' '_initLibrary' '_initLibrary'
spec ' ' '_process image data' '_process image data _' 'auto' ' '
spec ' ' '_sendCmd' '_sendCmd _' 'auto' ''
spec ' ' '_verifyXY' '_verifyXY _ _' 'auto auto' 0 0
to OLEDInit_I2C dispType i2cAddr resetPin flip {
comment 'Sets display type and interface and initializes HW settings.
Do NOT set a ResetPin# unless one exists on the display hardware.
NOTE:
Displays supported:
- OLED 0.96in (SD1306 chip) and
- OLED 2.42" (SD1309 chip)
Both displays are 128x64 pixels or 16x8 characters in size.
Displays come in dual mode version (i2c and spi) and pure i2c.
Pure i2c models do not have a Reset pin.
flip setting controls display hardware write direction:
- false: top to bottom
- true: bottom to top'
_comma = ('[data:unicodeString]' 44)
_comMode = 'i2c'
OLEDi2cAddr = (hexToInt ('[data:join]' ('[data:unicodeString]' 32) i2cAddr))
_resetPin = resetPin
_displayType = (ifExpression (dispType == 'OLED_0.96in') 9 6)
'_initDisplayHW'
if flip {
'_OLEDflip' true
}
'_initLibrary'
OLEDclear
}
to OLEDInit_SPI dispType dcPin resetPin flip {
comment 'Sets display type and interface and initializes HW settings.
SPI four wire in Mode-0 is supported. Max speed=10000000.
Do NOT set a ResetPin# unless one exists on the display hardware.
NOTE:
Displays supported:
- OLED 0.96in (SD1306 chip) and
- OLED 2.42" (SD1309 chip)
Both displays are 128x64 pixels or 16x8 characters in size.
Displays come in dual mode version (i2c and spi) and pure i2c.
Pure i2c models do not have a Reset pin.
flip setting controls display hardware write direction:
- false: top to bottom
- true: bottom to top'
_comma = ('[data:unicodeString]' 44)
_comMode = 'spi'
_dcPin = dcPin
if (_displayType != 0) {
return
}
if (dispType == 'OLED_0.96in') {
_displayType = 6
_resetPin = resetPin
} else {
_displayType = 9
_resetPin = resetPin
}
'[sensors:spiSetup]' 10000000
'_initDisplayHW'
if flip {
'_OLEDflip' true
}
'_initLibrary'
OLEDclear
}
to OLEDclear {
comment 'Set bounds to FullScreen and CLEARs display
and GDBuffer.'
_GDBuffer = ('[data:newByteArray]' 1024)
'_initCheck'
'_OLEDcursorReset'
OLEDshowGDBuffer
}
to OLEDcontrast contrast {
comment 'Sets the brightness control of the display to one of four values.
1 is the least bright, 4 is the brightest setting.'
'_initCheck'
local 'cLevels' ('[data:makeList]' 0 '1F' '2F' 'F0')
if (and (contrast >= 1) (contrast <= 4)) {
local 'i2cCmd' ('[data:join]' '81' _comma (at contrast cLevels))
'_sendCmd' i2cCmd
} else {
sayIt 'Error in CONTRAST Level'
}
}
to OLEDdrawCircle cx cy r erase {
comment 'Bresenham Circle:
Draws circles, even partially bigger than the display.
x: 0-127
y: 0-63
void plotCircle(int xm, int ym, int r)
{
int x = -r, y = 0, err = 2-2*r; /* II. Quadrant */
do {
setPixel(xm-x, ym+y); /* I. Quadrant */
setPixel(xm-y, ym-x); /* II. Quadrant */
setPixel(xm+x, ym-y); /* III. Quadrant */
setPixel(xm+y, ym+x); /* IV. Quadrant */
r = err;
if (r <= y) err += ++y*2+1; /* e_xy+e_y < 0 */
if (r > x || err > y) err += ++x*2+1; /* e_xy+e_x > 0 or no 2nd y-step */
} while (x < 0);
}'
'_initCheck'
local 'oldDelayGDUpd' _delayGDUpd
_delayGDUpd = (booleanConstant true)
local 'x' (-1 * r)
local 'y' 0
local 'err' (2 - (2 * r))
repeatUntil (x >= 0) {
OLEDpixel (cx - x) (cy + y) erase
OLEDpixel (cx - y) (cy - x) erase
OLEDpixel (cx + x) (cy - y) erase
OLEDpixel (cx + y) (cy + x) erase
r = err
if (r <= y) {
y += 1
err = (err + ((y * 2) + 1))
}
if (or (r > x) (err > y)) {
x += 1
err = (err + ((x * 2) + 1))
}
}
_delayGDUpd = oldDelayGDUpd
if (not _delayGDUpd) {
OLEDshowGDBuffer
}
}
to OLEDdrawImage image x y {
comment '_imgHeight has to be mod8 or 1-8'
if (0 == image) {
return 0
}
local 'oldDelayGDUpd' _delayGDUpd
_delayGDUpd = (booleanConstant true)
for row# (maximum 1 ((minimum _imgHeight (64 - y)) / 8)) {
local 'GDidx' ((((y / 8) * 128) + x) + 1)
local 'imgDispl' ((row# - 1) * _imgWidth)
for byte# (minimum _imgWidth (128 - x)) {
comment 'If y is on page boundary, just copy'
if (0 == (y % 8)) {
atPut GDidx _GDBuffer (at (imgDispl + byte#) image)
GDidx += 1
if (GDidx > 1024) {
_delayGDUpd = oldDelayGDUpd
if (not _delayGDUpd) {
OLEDshowGDBuffer
}
return 0
}
} else {
comment 'Else, copy GDLowBits + shiftedByte + GDHiBits to GDBuffer and GDBuffer +128'
local 'shiftedByte' ('_dec2hex' ((at (imgDispl + byte#) image) << (y % 8)))
local 'temp' 0
local 'tempHI' ('[data:copyFromTo]' shiftedByte 1 2)
local 'tempLO' ('[data:copyFromTo]' shiftedByte 3 4)
local 'GDLowBits' ((1 << (y % 8)) - 1)
local 'GDHiBits' (255 - GDLowBits)
tempLO = ((hexToInt tempLO) | ((at GDidx _GDBuffer) & GDLowBits))
atPut GDidx _GDBuffer tempLO
if ((GDidx + 128) <= 1024) {
tempHI = ((hexToInt tempHI) | ((at (GDidx + 128) _GDBuffer) & GDHiBits))
atPut (GDidx + 128) _GDBuffer tempHI
}
GDidx += 1
if (GDidx > 1024) {
_delayGDUpd = oldDelayGDUpd
if (not _delayGDUpd) {
OLEDshowGDBuffer
}
return 0
}
}
waitMillis 0
}
y += 8
}
_delayGDUpd = oldDelayGDUpd
if (not _delayGDUpd) {
OLEDshowGDBuffer
}
}
to OLEDdrawLine x0 y0 x1 y1 erase {
comment 'Draws a line from x0,y0 to x1,y1 using the Bresenham Algorithm
x: 0-127
y: 0-63
plotLine(int x0, int y0, int x1, int y1)
dx = abs(x1-x0);
sx = x0<x1 ? 1 : -1;
dy = -abs(y1-y0);
sy = y0<y1 ? 1 : -1;
err = dx+dy; /* error value e_xy */
while (true) /* loop */
plot(x0, y0);
if (x0 == x1 && y0 == y1) break;
e2 = 2*err;
if (e2 >= dy) /* e_xy+e_x > 0 */
err += dy;
x0 += sx;
end if
if (e2 <= dx) /* e_xy+e_y < 0 */
err += dx;
y0 += sy;
end if
end while'
'_initCheck'
local 'oldDelayGDUpd' _delayGDUpd
_delayGDUpd = (booleanConstant true)
results = ('[data:makeList]')
local 'dx' (absoluteValue (x1 - x0))
local 'dy' (-1 * (absoluteValue (y1 - y0)))
local 'err' (dx + dy)
local 'e2' 0
local 'done' (booleanConstant false)
if (x0 < x1) {
local 'sx' 1
} else {
local 'sx' -1
}
if (y0 < y1) {
local 'sy' 1
} else {
local 'sy' -1
}
repeatUntil done {
OLEDpixel x0 y0 erase
if (and (x0 == x1) (y0 == y1)) {
done = (booleanConstant true)
}
e2 = (2 * err)
if (e2 >= dy) {
err += dy
x0 += sx
}
if (e2 <= dx) {
err += dx
y0 += sy
}
}
_delayGDUpd = oldDelayGDUpd
if (not _delayGDUpd) {
OLEDshowGDBuffer
}
}
to OLEDdrawRect TLx TLy width height erase cornerRad {
comment 'Draw Rectangle with optional rounded corners with radius R.
Does not check for reversed rectangle coordinates for round corners.'
'_initCheck'
local 'oldDelayGDUpd' _delayGDUpd
_delayGDUpd = (booleanConstant true)
local 'BRx' (TLx + width)
local 'BRy' (TLy + height)
if (cornerRad >= 3) {
'_corner' 'TL' TLx TLy cornerRad erase
'_corner' 'TR' BRx TLy cornerRad erase
'_corner' 'BR' BRx BRy cornerRad erase
'_corner' 'BL' TLx BRy cornerRad erase
comment 'TOP - Adjust x'
OLEDdrawLine (TLx + cornerRad) TLy ((BRx - 1) - cornerRad) TLy erase
comment 'RIGHT- Adjust y'
OLEDdrawLine BRx ((TLy + 1) + cornerRad) BRx ((BRy - 1) - cornerRad) erase
comment 'BOTTOM - Adjust x'
OLEDdrawLine ((BRx - 1) - cornerRad) BRy ((TLx + 1) + cornerRad) BRy erase
comment 'LEFT - Adjust y'
OLEDdrawLine TLx ((BRy - 1) - cornerRad) TLx ((TLy + 1) + cornerRad) erase
} else {
OLEDdrawLine TLx TLy BRx TLy erase
OLEDdrawLine BRx (TLy + 1) BRx BRy erase
OLEDdrawLine (BRx - 1) BRy TLx BRy erase
OLEDdrawLine TLx (BRy - 1) TLx (TLy + 1) erase
}
_delayGDUpd = oldDelayGDUpd
if (not _delayGDUpd) {
OLEDshowGDBuffer
}
}
to OLEDfillRect x y w h erase {
local 'oldDelayGDUpd' _delayGDUpd
_delayGDUpd = (booleanConstant true)
for row ('[data:range]' 0 (h - 1)) {
for col ('[data:range]' 0 (w - 1)) {
OLEDpixel (x + col) (y + row) erase
}
}
_delayGDUpd = oldDelayGDUpd
if (not _delayGDUpd) {
OLEDshowGDBuffer
}
}
to OLEDmakeImage spr# {
comment 'Receives a spr# representing 5x5 image matrix.
Converts it to a HOR array of 5 VERT bitmap numbers.
This can be displayed with the draw image block.
sprNum max is 33554431'
'_initCheck'
local 'spriteList' ('[data:newByteArray]' 5)
local 'val' 0
for col 5 {
for row ('[data:asByteArray]' ('[data:makeList]' 0 5 10 15 20)) {
local 'bit' (col + row)
local 'vertBit#' (bit / 5)
if ((spr# & (1 << (bit - 1))) != 0) {
if (col != 5) {
val += (1 << vertBit#)
} else {
val += (1 << (vertBit# - 1))
}
}
}
atPut col spriteList val
val = 0
}
_imgWidth = 5
_imgHeight = 5
return spriteList
}
to OLEDpixel x y erase {
comment 'Places a pixel at x,y in the virtual GDBuffer
Use OLEDshowGDBuffer to display it
8192 Pixels over 1024 Bytes
x: 0-127
y: 0-63
page#: 0-7
pagePixel#: 0-7
GDIndex: 1-1024
RangeCheck:
verify x and y are in range of display limits
if X <= num <= Y'
'_initCheck'
local 'pagePixel#' (y % 8)
local 'GDIndex' ((x + ((y / 8) * 128)) + 1)
local 'byteBMP' (at GDIndex _GDBuffer)
byteBMP = (ifExpression (not erase) (byteBMP | (1 << pagePixel#)) (byteBMP & ('~' (1 << pagePixel#))))
atPut GDIndex _GDBuffer byteBMP
}
to OLEDsetVideo videoMode {
comment 'Switches the entire display:
Inverse: inverse video mode (bit 0 = on)
Normal: normal video mode (bit 1 = on).
Any image on the display will be preserved when mode changes.'
'_initCheck'
if (videoMode == 'Inverse') {
local 'i2cCmd' 'A7'
} else {
local 'i2cCmd' 'A6'
}
'_sendCmd' i2cCmd
}
to OLEDshowGDBuffer {
comment 'Copies contents of virtual _GDBuffer to display
i2c:
in 60 byte chunks for speed.
1 byte is used for the command 40
spi:
fastest is dump buffer
_GDBuffer is in decimal'
'_initCheck'
if (_comMode == 'i2c') {
local 'idx' 0
repeat 17 {
'[sensors:i2cWrite]' OLEDi2cAddr ('[data:join]' _dataPrefix ('[data:copyFromTo]' _GDBuffer idx (idx + 60)))
idx += 61
}
} else {
'_SPIWriteData'
'[sensors:spiExchange]' ('[data:copyFromTo]' _GDBuffer 1)
}
_delayGDUpd = (booleanConstant false)
}
to OLEDwrite string x y invFlag {
comment 'Writes strings to display at any x,y; processing CR LF and wrapping at col x.
_textX and _textY are next write locations.'
'_initCheck'
local 'oldDelayGDUpd' _delayGDUpd
_delayGDUpd = (booleanConstant true)
'_verifyXY' x y
local 'origX' x
if (not (isType string 'string')) {
string = ('[data:join]' '' string)
}
for char string {
comment 'If in table process it - LINE SET is not supported.'
if (('[data:find]' char _cTABLE) != -1) {
OLEDdrawImage ('_cBMP' char invFlag) x y
x += 8
if (x > 127) {
x = origX
y += 8
if (y > 63) {
y = 0
}
}
} (13 == ('[data:unicodeAt]' 1 char)) {
noop
} (10 == ('[data:unicodeAt]' 1 char)) {
x = origX
y += 8
if (y > 63) {
y = 0
}
} else {
comment 'bad char - STOP'
sayIt 'Invalid CHAR value:' char 'uniCode:' ('[data:unicodeAt]' 1 char)
stopTask
}
}
_textX = x
_textY = y
_delayGDUpd = oldDelayGDUpd
if (not _delayGDUpd) {
OLEDshowGDBuffer
}
}
to OLEDwru {
comment 'Next Row and Column to print
_textY, _textX'
return ('[data:asByteArray]' ('[data:makeList]' _textY _textX))
}
to '_GDDRAMoff' {
comment 'Displays a full empty screen of reverse video.
It disengages the hardware GDBuffer. '
local 'i2cCmd' 'A5'
'_sendCmd' i2cCmd
}
to '_GDDRAMon' {
comment 'It disables the GDDRAMoff mode and engages the hardware GDBuffer for display content.'
local 'i2cCmd' 'A4'
'_sendCmd' i2cCmd
}
to '_OLEDcursorReset' {
comment 'Sets display bounds to full range and resets cursor
to the origin top-left (0,0)
Rows: 0-7
Cols: 0-127
Cursor position is affected by any display operation
and also by OLEDColMode block.'
'_initCheck'
local 'cmdString' '22,00,07,21,00,7F'
'_sendCmd' cmdString
_textX = 0
_textY = 0
}
to '_OLEDflip' flip {
comment 'Flips the display initialization horizontally or vertically.
Horizontal or vertical is based on the pin connector location.'
if flip {
'_sendCmd' 'A0,C0'
} else {
'_sendCmd' 'A1,C8'
}
}
to '_OLEDreset' pin {
comment 'Does a power off and on on the display,
thus forcing a hardware initialization.'
digitalWriteOp pin false
waitMillis 1
digitalWriteOp pin true
waitMillis 1
}
to '_OLEDsetDisplay' onoff {
comment 'Puts the display into
Off:SLEEP On:WAKE mode.
Images on display are preserved.'
'_initCheck'
if (onoff == 'On') {
local 'i2cCmd' 'AF'
} else {
local 'i2cCmd' 'AE'
}
'_sendCmd' i2cCmd
}
to '_SPIWriteCmd' {
comment 'In SPI mode, we send either a write command
or write data control code. Then follow it with
the appropriate command/data bundle.'
digitalWriteOp _dcPin false
}
to '_SPIWriteData' {
comment 'In SPI mode, we send either a write command
or write data control code. Then follow it with
the appropriate command/data bundle.'
digitalWriteOp _dcPin true
}
to '_T1' {
comment 'THIN-SS Character Set
Range: space - ?'
local '_cHEX1' '00000000000000000000005F00000000000007000007000000147F14147F140000242A6B6B2A12000046261008646200304A454D324848000000040300000000001C224100000000000041221C000000082A1C1C1C2A08000008083E080800000000806000000000000808080808080000000060000000000040201008040200003E615149453E000044427F4040000000625151494966000022414949493600101814527F5010000027454545453900003C4A4949493000000301710905030000364949494936000006494949291E00000000660000000000008066000000000008142241000000002424242424240000000041221408000002010151090600'
local 'idx' 1
for i 256 {
atPut i _cDecTBL (hexToInt ('[data:copyFromTo]' _cHEX1 idx (idx + 1)))
idx += 2
}
_cHEX1 = ''
}
to '_T2' {
comment 'THIN-SS Character Set
Range: @ - _ (underscore)'
local '_c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
local 'idx' 1
for i 256 {
atPut (256 + i) _cDecTBL (hexToInt ('[data:copyFromTo]' _cHEX2 idx (idx + 1)))
idx += 2
}
_cHEX2 = ''
}
to '_T3' {
comment 'THIN-SS Character Set
Range: '' - . (last char)'
local '_c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
local 'idx' 1
for i 256 {
atPut (512 + i) _cDecTBL (hexToInt ('[data:copyFromTo]' _cHEX3 idx (idx + 1)))
idx += 2
}
_cHEX3 = ''
}
to '_cBMP' char invFlag {
comment 'Returns DEC char bitmap from _cHexTbl and
optionally converts it to inverse (XOR).
Line segments are NOT supported.
A: 00,7c,12,11,12,7c,00
dec: 0,124,18,17,17,124,0
inv: 255,131,237,238,238,131,255'
local 'key' (((('[data:unicodeAt]' 1 char) - 32) * 8) + 1)
local 'charList' ('[data:copyFromTo]' _cDecTBL key (key + 7))
comment 'inverse'
if invFlag {
for item# (size charList) {
atPut item# charList ((at item# charList) ^ 255)
}
}
_imgWidth = 8
_imgHeight = 8
return charList
}
to '_clearDisplay' {
comment 'Clear Screen without initializing _GDBuffer'
'_initCheck'
'_OLEDcursorReset'
if ('i2c' == _comMode) {
repeat 17 {
'[sensors:i2cWrite]' OLEDi2cAddr ('[data:join]' _dataPrefix ('[data:newByteArray]' 60))
}
'[sensors:i2cWrite]' OLEDi2cAddr ('[data:join]' _dataPrefix ('[data:newByteArray]' 4))
} else {
'_SPIWriteData'
'[sensors:spiExchange]' ('[data:newByteArray]' 1024)
}
}
to '_corner' loc cx cy r erase {
comment 'Calculates and displays the rounded corners for the rectangles.
loc is one of TL, TR, BL, BR ... topLeft, topright, bottomleft, bottomright
cx,cy are the corner coordinates for the rounded corner.
r is the radius in pixels of the arc to be calculated.'
local 'x' (-1 * r)
local 'y' 0
local 'err' (2 - (2 * r))
if (loc == 'TL') {
cx += r
cy += r
} (loc == 'TR') {
cx += (-1 * r)
cy += r
} (loc == 'BL') {
cx += r
cy += (-1 * r)
} (loc == 'BR') {
cx += (-1 * r)
cy += (-1 * r)
}
repeatUntil (x >= 0) {
if (loc == 'TL') {
OLEDpixel (cx + x) (cy - y) erase
} (loc == 'TR') {
OLEDpixel (cx + y) (cy + x) erase
} (loc == 'BL') {
OLEDpixel (cx - y) (cy - x) erase
} (loc == 'BR') {
OLEDpixel (cx - x) (cy + y) erase
}
r = err
if (r <= y) {
y += 1
err = (err + ((y * 2) + 1))
}
if (or (r > x) (err > y)) {
x += 1
err = (err + ((x * 2) + 1))
}
}
}
to '_dec2hex' num {
comment 'Fast version w/o inversion. (~115uSecs)'
local '_hexTbl' '0123456789ABCDEF'
local 'hexNum' ''
repeatUntil (num < 0) {
local 'temp' ('[data:join]' (at ((num % 16) + 1) _hexTbl) hexNum)
hexNum = temp
num = (ifExpression ((num / 16) != 0) (num / 16) -1)
}
comment 'If not half-byte length, pad it.'
hexNum = ('[data:join]' ('[data:copyFromTo]' '000' 1 (4 - (size hexNum))) hexNum)
return hexNum
}
to '_initChars' {
comment 'Creates the character set used in the Library (96 characters)
used JOIN for SPACE (uni-32) character so it won''t be deleted by mistake.
For each character, _cDecTbl is updated with 8 byte array values.'
_cTABLE = ('[data:join]' ('[data:unicodeString]' 32) '!"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~.')
'_T1'
'_T2'
'_T3'
}
to '_initCheck' {
comment 'Verifies Library initialization status.'
if (not OLEDReady) {
sayIt 'Display needs to be initialized before using the library blocks.'
stopTask
}
}
to '_initDisplayHW' {
comment '*** DO NOT CHANGE THESE WITHOUT UNDERSTANDING THEIR MEANINGS ***
*** IT CAN MAKE THE DISPLAY NOT OPERATE CORRECTLY ***
Initializes display HW timings
OLED INITIALIZATION STRINGS:
1306: pins are on top
1309: pins are on the right
A8 3F - Multiplex Ratio 0F-3F (16mux to 64mux)
D3 00 - Display Offset (vertical) 00-63
40 - Display Start Line 40-7F (40:0)
A0 - Set Segment Remap A0: Remap 0:0, A1: 127:0 [A1]
C0 - Scan Direction C0:0-127, C8:127-0 [C8]
DA 12 - COM pin hw config 02:double-high 12:normal bits
81 F0 - Set contrast 00-FF (00:dimmest, FF:brightest) [F0]
A4 - A4:display shows GDRAM, A5:display all ON pixels
A6 - A6:Normal video, A7:Inverse video
D5 F0 - Set display clock HB:OSC freq / LB:divide ratio (00-FF)
D9 22 - Set pre-charge period HB:Phase2 / LB:Phase1 (1-15 DCLK)
DB 20 - Set Vcomh deselect level 20:1306(~0.77xVcc), 34:1309(~0.78xVcc)
8D 14 - Charge Pump Setting 10:disable CP, 14:enable CP
20 00 - Set HORIZONTAL mode
AF - Display ON/OFF AE:off (sleep mode), AF:on'
if (_resetPin != '-') {
'_OLEDreset' _resetPin
}
if (9 == _displayType) {
local 'initCmd' 'A8,3F,D3,00,40,A1,C8,DA,12,81,F0,A4,A6,D5,70,D9,22,DB,34,8D,14,20,00,AF'
} else {
local 'initCmd' 'A8,3F,D3,00,40,A1,C8,DA,12,81,F0,A4,A6,D5,70,D9,22,DB,20,8D,14,20,00,AF'
}
'_sendCmd' initCmd
}
to '_initLibrary' {
comment 'Sets all Library variables and initializes the display hardware.
It also initializes the virtual GDBuffer, and clears the display.
NOTE:
Displays supported: OLED1306 (0.96in) and OLED1309 (2.42"), selected via boolean position.
OLED1309 requires the connection of RESET pin to a digital pin.
Both displays are 128x64 pixels or 16x8 characters in size.
Make sure the character hex tables are \n (LF) terminated.
Otherwise, extra lines are added in between and it gets messed up.
eg: A: 00,7C,12,11,11,12,7C,00\n
Max i2c IO is 64 bytes: buffered writes need to be max that size - 16 x 64'
_comma = ('[data:unicodeString]' 44)
_eol = ('[data:unicodeString]' 10)
comment 'Col starts are in HEX'
_dataPrefix = ('[data:newByteArray]' 1 (hexToInt '40'))
comment 'There is no FF/255 in th cHexTBL.
this value is used to build the byteArray.'
_cDecTBL = ('[data:newByteArray]' 768 255)
_GDBuffer = ('[data:newByteArray]' 1024)
_textX = 0
_textY = 0
_delayGDUpd = (booleanConstant false)
'_initChars'
OLEDReady = (booleanConstant true)
'_OLEDsetDisplay' 'On'
repeat 2 {
setUserLED true
waitMillis 50
setUserLED false
waitMillis 50
}
}
to '_process image data' image {
comment 'Processes the new hex image data format.
Each _imgHex gets added to _imgData in DEC byteArray format.
_byteCount keeps track of total bytes processed.
_imgWidth and _imgHeight (mod8) are dimensions.'
local '_ptr' 1
comment '_imgData is not initialized yet.'
if (or (0 == _imgData) (not (isType _imgData 'byte array'))) {
_imgWidth = (hexToInt ('[data:copyFromTo]' image 1 2))
_imgHeight = (hexToInt ('[data:copyFromTo]' image 3 4))
image = ('[data:copyFromTo]' image 5)
comment 'If _imgHeight is partial byte, adjust to full byte'
if (not (0 == (_imgHeight % 8))) {
_imgHeight += (8 - (_imgHeight % 8))
}
_imgData = ('[data:newByteArray]' ((_imgWidth * _imgHeight) / 8))
}
for byte ('[data:range]' 1 (size image) 2) {
atPut (_byteCount + _ptr) _imgData (hexToInt ('[data:copyFromTo]' image byte (byte + 1)))
_ptr += 1
}
_byteCount += (_ptr - 1)
}
to '_sendCmd' cmdString {
comment 'Input is a comma sep. STRING.
MAKE SURE ALL INPUT PARAMETERS ARE HEX'
local '_cList' ('[data:split]' cmdString _comma)
local 'cmdPrefix' (hexToInt '80')
if ('i2c' == _comMode) {
for cmd _cList {
'[sensors:i2cWrite]' OLEDi2cAddr ('[data:asByteArray]' ('[data:makeList]' cmdPrefix (hexToInt cmd)))
}
} else {
'_SPIWriteCmd'
for cmd _cList {
spiSend (hexToInt cmd)
}
}
}
to '_verifyXY' x y {
if (and (and (x >= 0) (x <= 127)) (and (y >= 0) (y <= 63))) {
return 0
} else {
sayIt 'x or y value error:' ('[data:unicodeString]' 10) 'x:' x ' y:' y
stopTask
}
}
to 'defer display updates' {
_delayGDUpd = (booleanConstant true)
}
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