Files
IronOS/source/Core/Drivers/OLED.cpp
Ben V. Brown a0a779faba Custom tip type selection (#1977)
* Minor doc updates

* pydoc

* Draft tip selection menu

* Start linking in manual tip resistance

* Enable on Pinecilv1 / TS10x

* Fixup drawing tip type

* Update Settings.cpp

* Rename JBC type

* Add translations

* Handle one tip type

* Refactor header includes

* Fixup translation_IT.json

* Fixing up includes

* Format

* Apply suggestions from code review

Co-authored-by: discip <53649486+discip@users.noreply.github.com>

* Update Documentation/Hardware.md

Co-authored-by: discip <53649486+discip@users.noreply.github.com>

---------

Co-authored-by: = <=>
Co-authored-by: discip <53649486+discip@users.noreply.github.com>
2024-11-01 12:20:33 +11:00

802 lines
29 KiB
C++

/*
* OLED.cpp
*
* Created on: 29Aug.,2017
* Author: Ben V. Brown
*/
#include "Buttons.hpp"
#include "Settings.h"
#include "Translation.h"
#include "cmsis_os.h"
#include "configuration.h"
#include <OLED.hpp>
#include <stdlib.h>
#include <string.h>
// rendering to the buffer
uint8_t *OLED::stripPointers[4]; // Pointers to the strips to allow for buffer having extra content
bool OLED::inLeftHandedMode; // Whether the screen is in left or not (used for
// offsets in GRAM)
OLED::DisplayState OLED::displayState;
int16_t OLED::cursor_x, OLED::cursor_y;
bool OLED::initDone = false;
uint8_t OLED::displayOffset;
uint8_t OLED::screenBuffer[16 + (OLED_WIDTH * (OLED_HEIGHT / 8)) + 10]; // The data buffer
uint8_t OLED::secondFrameBuffer[16 + (OLED_WIDTH * (OLED_HEIGHT / 8)) + 10];
uint32_t OLED::displayChecksum;
/*
* Setup params for the OLED screen
* http://www.displayfuture.com/Display/datasheet/controller/SSD1307.pdf
* All commands are prefixed with 0x80
* Data packets are prefixed with 0x40
*/
I2C_CLASS::I2C_REG OLED_Setup_Array[] = {
/**/
{0x80, OLED_OFF, 0}, /* Display off */
{0x80, OLED_DIVIDER, 0}, /* Set display clock divide ratio / osc freq */
{0x80, 0x52, 0}, /* Divide ratios */
{0x80, 0xA8, 0}, /* Set Multiplex Ratio */
{0x80, OLED_HEIGHT - 1, 0}, /* Multiplex ratio adjusts how far down the matrix it scans */
{0x80, 0xC0, 0}, /* Set COM Scan direction */
{0x80, 0xD3, 0}, /* Set vertical Display offset */
{0x80, 0x00, 0}, /* 0 Offset */
{0x80, 0x40, 0}, /* Set Display start line to 0 */
#ifdef OLED_SEGMENT_MAP_REVERSED
{0x80, 0xA1, 0}, /* Set Segment remap to normal */
#else
{0x80, 0xA0, 0}, /* Set Segment remap to normal */
#endif
{0x80, 0x8D, 0}, /* Charge Pump */
{0x80, 0x14, 0}, /* Charge Pump settings */
{0x80, 0xDA, 0}, /* Set VCOM Pins hardware config */
{0x80, OLED_VCOM_LAYOUT, 0}, /* Combination 0x2 or 0x12 depending on OLED model */
{0x80, 0x81, 0}, /* Brightness */
{0x80, 0x00, 0}, /* ^0 */
{0x80, 0xD9, 0}, /* Set pre-charge period */
{0x80, 0xF1, 0}, /* Pre charge period */
{0x80, 0xDB, 0}, /* Adjust VCOMH regulator ouput */
{0x80, 0x30, 0}, /* VCOM level */
{0x80, 0xA4, 0}, /* Enable the display GDDR */
{0x80, 0xA6, 0}, /* Normal display */
{0x80, 0x20, 0}, /* Memory Mode */
{0x80, 0x00, 0}, /* Wrap memory */
{0x80, OLED_ON, 0}, /* Display on */
};
// Setup based on the SSD1307 and modified for the SSD1306
const uint8_t REFRESH_COMMANDS[17] = {
// Set display ON:
0x80,
0xAF, // cmd
// Set column address:
// A[6:0] - Column start address = 0x20
// B[6:0] - Column end address = 0x7F
0x80,
0x21, // cmd
0x80,
OLED_GRAM_START, // A
0x80,
OLED_GRAM_END, // B
// Set COM output scan direction (normal mode, COM0 to COM[N-1])
0x80,
0xC0,
// Set page address:
// A[2:0] - Page start address = 0
// B[2:0] - Page end address = 1
0x80,
0x22, // cmd
0x80,
0x00, // A
0x80,
(OLED_HEIGHT / 8) - 1, // B
// Start of data
0x40,
};
/*
* Animation timing function that follows a bezier curve.
* @param t A given percentage value [0..<100]
* Returns a new percentage value with ease in and ease out.
* Original floating point formula: t * t * (3.0f - 2.0f * t);
*/
static uint16_t easeInOutTiming(uint16_t t) { return t * t * (300 - 2 * t) / 10000; }
/*
* Returns the value between a and b, using a percentage value t.
* @param a The value associated with 0%
* @param b The value associated with 100%
* @param t The percentage [0..<100]
*/
static uint16_t lerp(uint16_t a, uint16_t b, uint16_t t) { return a + t * (b - a) / 100; }
void OLED::initialize() {
cursor_x = cursor_y = 0;
inLeftHandedMode = false;
#ifdef OLED_128x32
stripPointers[0] = &screenBuffer[FRAMEBUFFER_START];
stripPointers[1] = &screenBuffer[FRAMEBUFFER_START + OLED_WIDTH];
stripPointers[2] = &screenBuffer[FRAMEBUFFER_START + 2 * OLED_WIDTH];
stripPointers[3] = &screenBuffer[FRAMEBUFFER_START + 3 * OLED_WIDTH];
#else
stripPointers[0] = &screenBuffer[FRAMEBUFFER_START];
stripPointers[1] = &screenBuffer[FRAMEBUFFER_START + OLED_WIDTH];
#endif /* OLED_128x32 */
displayOffset = 0;
memcpy(&screenBuffer[0], &REFRESH_COMMANDS[0], sizeof(REFRESH_COMMANDS));
memcpy(&secondFrameBuffer[0], &REFRESH_COMMANDS[0], sizeof(REFRESH_COMMANDS));
// Set the display to be ON once the settings block is sent and send the
// initialisation data to the OLED.
for (int tries = 0; tries < 10; tries++) {
if (I2C_CLASS::writeRegistersBulk(DEVICEADDR_OLED, OLED_Setup_Array, sizeof(OLED_Setup_Array) / sizeof(OLED_Setup_Array[0]))) {
tries = 11;
}
}
setDisplayState(DisplayState::ON);
initDone = true;
}
void OLED::setFramebuffer(uint8_t *buffer) {
stripPointers[0] = &buffer[FRAMEBUFFER_START];
stripPointers[1] = &buffer[FRAMEBUFFER_START + OLED_WIDTH];
#ifdef OLED_128x32
stripPointers[2] = &buffer[FRAMEBUFFER_START + (2 * OLED_WIDTH)];
stripPointers[3] = &buffer[FRAMEBUFFER_START + (3 * OLED_WIDTH)];
#endif /* OLED_128x32 */
}
/*
* Prints a char to the screen.
* UTF font handling is done using the two input chars.
* Precursor is the command char that is used to select the table.
*/
void OLED::drawChar(const uint16_t charCode, const FontStyle fontStyle, const uint8_t soft_x_limit) {
const uint8_t *currentFont;
static uint8_t fontWidth, fontHeight;
uint16_t index;
switch (fontStyle) {
case FontStyle::EXTRAS:
currentFont = ExtraFontChars;
index = charCode;
fontHeight = 16;
fontWidth = 12;
break;
case FontStyle::SMALL:
case FontStyle::LARGE:
default:
currentFont = nullptr;
index = 0;
switch (fontStyle) {
case FontStyle::SMALL:
fontHeight = 8;
fontWidth = 6;
break;
case FontStyle::LARGE:
default:
fontHeight = 16;
fontWidth = 12;
break;
}
if (charCode == '\x01' && cursor_y == 0) { // 0x01 is used as new line char
setCursor(soft_x_limit, fontHeight);
return;
} else if (charCode <= 0x01) {
return;
}
currentFont = fontStyle == FontStyle::SMALL ? FontSectionInfo.font06_start_ptr : FontSectionInfo.font12_start_ptr;
index = charCode - 2;
break;
}
const uint8_t *charPointer = currentFont + ((fontWidth * (fontHeight / 8)) * index);
drawArea(cursor_x, cursor_y, fontWidth, fontHeight, charPointer);
cursor_x += fontWidth;
}
/*
* Draws a one pixel wide scrolling indicator. y is the upper vertical position
* of the indicator in pixels (0..<16).
*/
void OLED::drawScrollIndicator(uint8_t y, uint8_t height) {
union u_type {
uint32_t whole;
uint8_t strips[4];
} column;
column.whole = (1 << height) - 1; // preload a set of set bits of height
column.whole <<= y; // Shift down by the y value
// Draw a one pixel wide bar to the left with a single pixel as
// the scroll indicator.
fillArea(OLED_WIDTH - 1, 0, 1, 8, column.strips[0]);
fillArea(OLED_WIDTH - 1, 8, 1, 8, column.strips[1]);
#if OLED_HEIGHT == 32
fillArea(OLED_WIDTH - 1, 16, 1, 8, column.strips[2]);
fillArea(OLED_WIDTH - 1, 24, 1, 8, column.strips[3]);
#endif
}
/**
* Masks (removes) the scrolling indicator, i.e. clears the rightmost column
* on the screen. This operates directly on the OLED graphics RAM, as this
* is intended to be used before calling `OLED::transitionScrollDown()`.
*/
void OLED::maskScrollIndicatorOnOLED() {
// The right-most column depends on the screen rotation, so just take
// it from the screen buffer which is updated by `OLED::setRotation`.
uint8_t rightmostColumn = screenBuffer[7];
uint8_t maskCommands[] = {
// Set column address:
// A[6:0] - Column start address = rightmost column
// B[6:0] - Column end address = rightmost column
0x80,
0x21, // cmd
0x80,
rightmostColumn, // A
0x80,
rightmostColumn, // B
// Start of data
0x40,
#ifdef OLED_128x32
0x00,
0x00,
#endif /* OLED_128x32 */
// Clears two 8px strips
0x00,
0x00,
};
I2C_CLASS::Transmit(DEVICEADDR_OLED, maskCommands, sizeof(maskCommands));
}
/**
* Plays a transition animation between two framebuffers.
* @param forwardNavigation Direction of the navigation animation.
*
* If forward is true, this displays a forward navigation to the second framebuffer contents.
* Otherwise a rewinding navigation animation is shown to the second framebuffer contents.
*/
void OLED::transitionSecondaryFramebuffer(const bool forwardNavigation, const TickType_t viewEnterTime) {
bool buttonsReleased = getButtonState() == BUTTON_NONE;
uint8_t *stripBackPointers[4];
stripBackPointers[0] = &secondFrameBuffer[FRAMEBUFFER_START + 0];
stripBackPointers[1] = &secondFrameBuffer[FRAMEBUFFER_START + OLED_WIDTH];
#ifdef OLED_128x32
stripBackPointers[2] = &secondFrameBuffer[FRAMEBUFFER_START + (OLED_WIDTH * 2)];
stripBackPointers[3] = &secondFrameBuffer[FRAMEBUFFER_START + (OLED_WIDTH * 3)];
#endif /* OLED_128x32 */
TickType_t totalDuration = TICKS_100MS * 5; // 500ms
TickType_t duration = 0;
TickType_t start = xTaskGetTickCount();
uint8_t offset = 0;
uint32_t loopCounter = 0;
TickType_t startDraw = xTaskGetTickCount();
while (duration <= totalDuration) {
loopCounter++;
duration = xTaskGetTickCount() - start;
uint16_t progress = ((duration * 100) / totalDuration); // Percentage of the period we are through for animation
progress = easeInOutTiming(progress);
progress = lerp(0, OLED_WIDTH, progress);
// Constrain
if (progress > OLED_WIDTH) {
progress = OLED_WIDTH;
}
// When forward, current contents move to the left out.
// Otherwise the contents move to the right out.
uint8_t oldStart = forwardNavigation ? 0 : progress;
uint8_t oldPrevious = forwardNavigation ? progress - offset : offset;
// Content from the second framebuffer moves in from the right (forward)
// or from the left (not forward).
uint8_t newStart = forwardNavigation ? OLED_WIDTH - progress : 0;
uint8_t newEnd = forwardNavigation ? 0 : OLED_WIDTH - progress;
offset = progress;
memmove(&stripPointers[0][oldStart], &stripPointers[0][oldPrevious], OLED_WIDTH - progress);
memmove(&stripPointers[1][oldStart], &stripPointers[1][oldPrevious], OLED_WIDTH - progress);
#ifdef OLED_128x32
memmove(&stripPointers[2][oldStart], &stripPointers[2][oldPrevious], OLED_WIDTH - progress);
memmove(&stripPointers[3][oldStart], &stripPointers[3][oldPrevious], OLED_WIDTH - progress);
#endif /* OLED_128x32 */
memmove(&stripPointers[0][newStart], &stripBackPointers[0][newEnd], progress);
memmove(&stripPointers[1][newStart], &stripBackPointers[1][newEnd], progress);
#ifdef OLED_128x32
memmove(&stripPointers[2][newStart], &stripBackPointers[2][newEnd], progress);
memmove(&stripPointers[3][newStart], &stripBackPointers[3][newEnd], progress);
#endif /* OLED_128x32 */
#ifdef OLED_128x32
if (loopCounter % 2 == 0) {
refresh();
}
#else
refresh(); // Now refresh to write out the contents to the new page
#endif /* OLED_128x32 */
vTaskDelayUntil(&startDraw, TICKS_100MS / 7);
buttonsReleased |= getButtonState() == BUTTON_NONE;
if (getButtonState() != BUTTON_NONE && buttonsReleased) {
memcpy(screenBuffer + FRAMEBUFFER_START, secondFrameBuffer + FRAMEBUFFER_START, sizeof(screenBuffer) - FRAMEBUFFER_START);
refresh(); // Now refresh to write out the contents to the new page
return;
}
}
refresh(); // redraw at the end if required
}
void OLED::useSecondaryFramebuffer(bool useSecondary) {
if (useSecondary) {
setFramebuffer(secondFrameBuffer);
} else {
setFramebuffer(screenBuffer);
}
}
/**
* This assumes that the current display output buffer has the current on screen contents
* Then the secondary buffer has the "new" contents to be slid up onto the screen
* Sadly we cant use the hardware scroll as some devices with the 128x32 screens dont have the GRAM for holding both screens at once
*
* **This function blocks until the transition has completed or user presses button**
*/
void OLED::transitionScrollDown(const TickType_t viewEnterTime) {
TickType_t startDraw = xTaskGetTickCount();
bool buttonsReleased = getButtonState() == BUTTON_NONE;
for (uint8_t heightPos = 0; heightPos < OLED_HEIGHT; heightPos++) {
// For each line, we shuffle all bits up a row
for (uint8_t xPos = 0; xPos < OLED_WIDTH; xPos++) {
const uint16_t firstStripPos = FRAMEBUFFER_START + xPos;
const uint16_t secondStripPos = firstStripPos + OLED_WIDTH;
#ifdef OLED_128x32
// For 32 pixel high OLED's we have four strips to tailchain
const uint16_t thirdStripPos = secondStripPos + OLED_WIDTH;
const uint16_t fourthStripPos = thirdStripPos + OLED_WIDTH;
// Move the MSB off the first strip, and pop MSB from second strip onto the first strip
screenBuffer[firstStripPos] = (screenBuffer[firstStripPos] >> 1) | ((screenBuffer[secondStripPos] & 0x01) << 7);
// Now shuffle off the second strip
screenBuffer[secondStripPos] = (screenBuffer[secondStripPos] >> 1) | ((screenBuffer[thirdStripPos] & 0x01) << 7);
// Now shuffle off the third strip
screenBuffer[thirdStripPos] = (screenBuffer[thirdStripPos] >> 1) | ((screenBuffer[fourthStripPos] & 0x01) << 7);
// Now forth strip gets the start of the new buffer
screenBuffer[fourthStripPos] = (screenBuffer[fourthStripPos] >> 1) | ((secondFrameBuffer[firstStripPos] & 0x01) << 7);
// Now cycle all the secondary buffers
secondFrameBuffer[firstStripPos] = (secondFrameBuffer[firstStripPos] >> 1) | ((secondFrameBuffer[secondStripPos] & 0x01) << 7);
secondFrameBuffer[secondStripPos] = (secondFrameBuffer[secondStripPos] >> 1) | ((secondFrameBuffer[thirdStripPos] & 0x01) << 7);
secondFrameBuffer[thirdStripPos] = (secondFrameBuffer[thirdStripPos] >> 1) | ((secondFrameBuffer[fourthStripPos] & 0x01) << 7);
// Finally on the bottom row; we shuffle it up ready
secondFrameBuffer[fourthStripPos] >>= 1;
#else
// Move the LSB off the first strip, and pop MSB from second strip onto the first strip
screenBuffer[firstStripPos] = (screenBuffer[firstStripPos] >> 1) | ((screenBuffer[secondStripPos] & 0x01) << 7);
// Now shuffle off the second strip MSB, and replace it with the LSB of the secondary buffer
screenBuffer[secondStripPos] = (screenBuffer[secondStripPos] >> 1) | ((secondFrameBuffer[firstStripPos] & 0x01) << 7);
// Finally, do the shuffle on the second frame buffer
secondFrameBuffer[firstStripPos] = (secondFrameBuffer[firstStripPos] >> 1) | ((secondFrameBuffer[secondStripPos] & 0x01) << 7);
// Finally on the bottom row; we shuffle it up ready
secondFrameBuffer[secondStripPos] >>= 1;
#endif /* OLED_128x32 */
}
buttonsReleased |= getButtonState() == BUTTON_NONE;
if (getButtonState() != BUTTON_NONE && buttonsReleased) {
// Exit early, but have to transition whole buffer
memcpy(screenBuffer + FRAMEBUFFER_START, secondFrameBuffer + FRAMEBUFFER_START, sizeof(screenBuffer) - FRAMEBUFFER_START);
refresh(); // Now refresh to write out the contents to the new page
return;
}
#ifdef OLED_128x32
// To keep things faster, only redraw every second line
if (heightPos % 2 == 0) {
refresh(); // Now refresh to write out the contents to the new page
}
#else
refresh(); // Now refresh to write out the contents to the new page
#endif
vTaskDelayUntil(&startDraw, TICKS_100MS / 7);
}
}
/**
* This assumes that the current display output buffer has the current on screen contents
* Then the secondary buffer has the "new" contents to be slid down onto the screen
* Sadly we cant use the hardware scroll as some devices with the 128x32 screens dont have the GRAM for holding both screens at once
*
* **This function blocks until the transition has completed or user presses button**
*/
void OLED::transitionScrollUp(const TickType_t viewEnterTime) {
TickType_t startDraw = xTaskGetTickCount();
bool buttonsReleased = getButtonState() == BUTTON_NONE;
for (uint8_t heightPos = 0; heightPos < OLED_HEIGHT; heightPos++) {
// For each line, we shuffle all bits down a row
for (uint8_t xPos = 0; xPos < OLED_WIDTH; xPos++) {
const uint16_t firstStripPos = FRAMEBUFFER_START + xPos;
const uint16_t secondStripPos = firstStripPos + OLED_WIDTH;
#ifdef OLED_128x32
// For 32 pixel high OLED's we have four strips to tailchain
const uint16_t thirdStripPos = secondStripPos + OLED_WIDTH;
const uint16_t fourthStripPos = thirdStripPos + OLED_WIDTH;
// We are shffling LSB's off the end and pushing bits down
screenBuffer[fourthStripPos] = (screenBuffer[fourthStripPos] << 1) | ((screenBuffer[thirdStripPos] & 0x80) >> 7);
screenBuffer[thirdStripPos] = (screenBuffer[thirdStripPos] << 1) | ((screenBuffer[secondStripPos] & 0x80) >> 7);
screenBuffer[secondStripPos] = (screenBuffer[secondStripPos] << 1) | ((screenBuffer[firstStripPos] & 0x80) >> 7);
screenBuffer[firstStripPos] = (screenBuffer[firstStripPos] << 1) | ((secondFrameBuffer[fourthStripPos] & 0x80) >> 7);
secondFrameBuffer[fourthStripPos] = (secondFrameBuffer[fourthStripPos] << 1) | ((secondFrameBuffer[thirdStripPos] & 0x80) >> 7);
secondFrameBuffer[thirdStripPos] = (secondFrameBuffer[thirdStripPos] << 1) | ((secondFrameBuffer[secondStripPos] & 0x80) >> 7);
secondFrameBuffer[secondStripPos] = (secondFrameBuffer[secondStripPos] << 1) | ((secondFrameBuffer[firstStripPos] & 0x80) >> 7);
// Finally on the bottom row; we shuffle it up ready
secondFrameBuffer[firstStripPos] <<= 1;
#else
// We pop the LSB off the bottom row, and replace the MSB in that byte with the LSB of the row above
screenBuffer[secondStripPos] = (screenBuffer[secondStripPos] << 1) | ((screenBuffer[firstStripPos] & 0x80) >> 7);
// Move the LSB off the first strip, and pop MSB from second strip onto the first strip
screenBuffer[firstStripPos] = (screenBuffer[firstStripPos] << 1) | ((secondFrameBuffer[secondStripPos] & 0x80) >> 7);
// Finally, do the shuffle on the second frame buffer
secondFrameBuffer[secondStripPos] = (secondFrameBuffer[secondStripPos] << 1) | ((secondFrameBuffer[firstStripPos] & 0x80) >> 7);
// Finally on the bottom row; we shuffle it up ready
secondFrameBuffer[firstStripPos] <<= 1;
#endif /* OLED_128x32 */
}
buttonsReleased |= getButtonState() == BUTTON_NONE;
if (getButtonState() != BUTTON_NONE && buttonsReleased) {
// Exit early, but have to transition whole buffer
memcpy(screenBuffer + FRAMEBUFFER_START, secondFrameBuffer + FRAMEBUFFER_START, sizeof(screenBuffer) - FRAMEBUFFER_START);
refresh(); // Now refresh to write out the contents to the new page
return;
}
#ifdef OLED_128x32
// To keep things faster, only redraw every second line
if (heightPos % 2 == 0) {
refresh(); // Now refresh to write out the contents to the new page
}
#else
refresh(); // Now refresh to write out the contents to the new page
#endif
vTaskDelayUntil(&startDraw, TICKS_100MS / 7);
}
}
void OLED::setRotation(bool leftHanded) {
#ifdef OLED_FLIP
leftHanded = !leftHanded;
#endif /* OLED_FLIP */
if (inLeftHandedMode == leftHanded) {
return;
}
#ifdef OLED_SEGMENT_MAP_REVERSED
if (!leftHanded) {
OLED_Setup_Array[9].val = 0xA1;
} else {
OLED_Setup_Array[9].val = 0xA0;
}
#else
if (leftHanded) {
OLED_Setup_Array[9].val = 0xA1;
} else {
OLED_Setup_Array[9].val = 0xA0;
}
#endif /* OLED_SEGMENT_MAP_REVERSED */
// send command struct again with changes
if (leftHanded) {
OLED_Setup_Array[5].val = 0xC8; // c1?
} else {
OLED_Setup_Array[5].val = 0xC0;
}
I2C_CLASS::writeRegistersBulk(DEVICEADDR_OLED, OLED_Setup_Array, sizeof(OLED_Setup_Array) / sizeof(OLED_Setup_Array[0]));
osDelay(TICKS_10MS);
inLeftHandedMode = leftHanded;
screenBuffer[5] = inLeftHandedMode ? OLED_GRAM_START_FLIP : OLED_GRAM_START; // display is shifted by 32 in left handed
// mode as driver ram is 128 wide
screenBuffer[7] = inLeftHandedMode ? OLED_GRAM_END_FLIP : OLED_GRAM_END; // End address of the ram segment we are writing to (96 wide)
screenBuffer[9] = inLeftHandedMode ? 0xC8 : 0xC0;
// Force a screen refresh
const int len = FRAMEBUFFER_START + (OLED_WIDTH * (OLED_HEIGHT / 8));
I2C_CLASS::Transmit(DEVICEADDR_OLED, screenBuffer, len);
osDelay(TICKS_10MS);
checkDisplayBufferChecksum();
}
void OLED::setBrightness(uint8_t contrast) {
if (OLED_Setup_Array[15].val != contrast) {
OLED_Setup_Array[15].val = contrast;
I2C_CLASS::writeRegistersBulk(DEVICEADDR_OLED, &OLED_Setup_Array[14], 2);
}
}
void OLED::setInverseDisplay(bool inverse) {
uint8_t normalInverseCmd = inverse ? 0xA7 : 0xA6;
if (OLED_Setup_Array[21].val != normalInverseCmd) {
OLED_Setup_Array[21].val = normalInverseCmd;
I2C_CLASS::I2C_RegisterWrite(DEVICEADDR_OLED, 0x80, normalInverseCmd);
}
}
// print a string to the current cursor location, len chars MAX
void OLED::print(const char *const str, FontStyle fontStyle, uint8_t len, const uint8_t soft_x_limit) {
const uint8_t *next = reinterpret_cast<const uint8_t *>(str);
if (next[0] == 0x01) {
fontStyle = FontStyle::LARGE;
next++;
}
while (next[0] && len--) {
uint16_t index;
if (next[0] <= 0xF0) {
index = next[0];
next++;
} else {
if (!next[1]) {
return;
}
index = (next[0] - 0xF0) * 0xFF - 15 + next[1];
next += 2;
}
drawChar(index, fontStyle, soft_x_limit);
}
}
/**
* Prints a static string message designed to use the whole screen, starting
* from the top-left corner.
*
* If the message starts with a newline (`\\x01`), the string starting from
* after the newline is printed in the large font. Otherwise, the message
* is printed in the small font.
*
* @param string The string message to be printed
*/
void OLED::printWholeScreen(const char *string) {
setCursor(0, 0);
if (string[0] == '\x01') {
// Empty first line means that this uses large font (for CJK).
OLED::print(string + 1, FontStyle::LARGE);
} else {
OLED::print(string, FontStyle::SMALL);
}
}
// Print *F or *C - in font style of Small, Large (by default) or Extra based on input arg
void OLED::printSymbolDeg(const FontStyle fontStyle) {
switch (fontStyle) {
case FontStyle::EXTRAS:
// Picks *F or *C in ExtraFontChars[] from Font.h
OLED::drawSymbol(getSettingValue(SettingsOptions::TemperatureInF) ? 0 : 1);
break;
case FontStyle::LARGE:
OLED::print(getSettingValue(SettingsOptions::TemperatureInF) ? LargeSymbolDegF : LargeSymbolDegC, fontStyle);
break;
case FontStyle::SMALL:
default:
OLED::print(getSettingValue(SettingsOptions::TemperatureInF) ? SmallSymbolDegF : SmallSymbolDegC, fontStyle);
break;
}
}
inline void stripLeaderZeros(char *buffer, uint8_t places) {
// Removing the leading zero's by swapping them to SymbolSpace
// Stop 1 short so that we dont blank entire number if its zero
for (int i = 0; i < (places - 1); i++) {
if (buffer[i] == 2) {
buffer[i] = LargeSymbolSpace[0];
} else {
return;
}
}
}
void OLED::drawHex(uint32_t x, FontStyle fontStyle, uint8_t digits) {
// print number to hex
for (uint_fast8_t i = 0; i < digits; i++) {
uint16_t value = (x >> (4 * (7 - i))) & 0b1111;
drawChar(value + 2, fontStyle, 0);
}
}
// maximum places is 5
void OLED::printNumber(uint16_t number, uint8_t places, FontStyle fontStyle, bool noLeaderZeros) {
char buffer[7] = {0};
if (places >= 5) {
buffer[5] = 2 + number % 10;
number /= 10;
}
if (places > 4) {
buffer[4] = 2 + number % 10;
number /= 10;
}
if (places > 3) {
buffer[3] = 2 + number % 10;
number /= 10;
}
if (places > 2) {
buffer[2] = 2 + number % 10;
number /= 10;
}
if (places > 1) {
buffer[1] = 2 + number % 10;
number /= 10;
}
buffer[0] = 2 + number % 10;
if (noLeaderZeros) {
stripLeaderZeros(buffer, places);
}
print(buffer, fontStyle);
}
void OLED::debugNumber(int32_t val, FontStyle fontStyle) {
if (abs(val) > 99999) {
OLED::print(LargeSymbolSpace, fontStyle); // out of bounds
return;
}
if (val >= 0) {
OLED::print(LargeSymbolSpace, fontStyle);
OLED::printNumber(val, 5, fontStyle);
} else {
OLED::print(LargeSymbolMinus, fontStyle);
OLED::printNumber(-val, 5, fontStyle);
}
}
void OLED::drawSymbol(uint8_t symbolID) {
// draw a symbol to the current cursor location
drawChar(symbolID, FontStyle::EXTRAS, 0);
}
// Draw an area, but y must be aligned on 0/8 offset
void OLED::drawArea(int16_t x, int8_t y, uint8_t width, uint8_t height, const uint8_t *ptr) {
// Splat this from x->x+width in two strides
if (x <= -width) {
return; // cutoffleft
}
if (x > OLED_WIDTH) {
return; // cutoff right
}
uint8_t visibleStart = 0;
uint8_t visibleEnd = width;
// trimming to draw partials
if (x < 0) {
visibleStart -= x; // subtract negative value == add absolute value
}
if (x + width > OLED_WIDTH) {
visibleEnd = OLED_WIDTH - x;
}
uint8_t rowsDrawn = 0;
while (height > 0) {
for (uint8_t xx = visibleStart; xx < visibleEnd; xx++) {
stripPointers[(y / 8) + rowsDrawn][x + xx] = ptr[xx + (rowsDrawn * width)];
}
height -= 8;
rowsDrawn++;
}
}
// Draw an area, but y must be aligned on 0/8 offset
// For data which has octets swapped in a 16-bit word.
void OLED::drawAreaSwapped(int16_t x, int8_t y, uint8_t width, uint8_t height, const uint8_t *ptr) {
// Splat this from x->x+width in two strides
if (x <= -width) {
return; // cutoffleft
}
if (x > OLED_WIDTH) {
return; // cutoff right
}
uint8_t visibleStart = 0;
uint8_t visibleEnd = width;
// trimming to draw partials
if (x < 0) {
visibleStart -= x; // subtract negative value == add absolute value
}
if (x + width > OLED_WIDTH) {
visibleEnd = OLED_WIDTH - x;
}
uint8_t rowsDrawn = 0;
while (height > 0) {
for (uint8_t xx = visibleStart; xx < visibleEnd; xx += 2) {
stripPointers[(y / 8) + rowsDrawn][x + xx] = ptr[xx + 1 + (rowsDrawn * width)];
stripPointers[(y / 8) + rowsDrawn][x + xx + 1] = ptr[xx + (rowsDrawn * width)];
}
height -= 8;
rowsDrawn++;
}
}
void OLED::fillArea(int16_t x, int8_t y, uint8_t wide, uint8_t height, const uint8_t value) {
// Splat this from x->x+wide in two strides
if (x <= -wide) {
return; // cutoffleft
}
if (x > OLED_WIDTH) {
return; // cutoff right
}
uint8_t visibleStart = 0;
uint8_t visibleEnd = wide;
// trimming to draw partials
if (x < 0) {
visibleStart -= x; // subtract negative value == add absolute value
}
if (x + wide > OLED_WIDTH) {
visibleEnd = OLED_WIDTH - x;
}
uint8_t rowsDrawn = 0;
while (height > 0) {
for (uint8_t xx = visibleStart; xx < visibleEnd; xx++) {
stripPointers[(y / 8) + rowsDrawn][x + xx] = value;
}
height -= 8;
rowsDrawn++;
}
}
void OLED::drawFilledRect(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, bool clear) {
//!! LSB is at the top of the screen !!
// Draw this in 3 sections
uint8_t remainingHeight = y1 - y0;
for (uint8_t currentRow = y0 / 8; (currentRow < (OLED_HEIGHT / 8)) && remainingHeight; currentRow++) {
uint8_t maskTop = (0xFF) << (y0 % 8); // Shift off the mask
y0 = 0; // Blank out any start offset for future iterations
// If we are terminating the bottom of the rectangle in this row, we mask the bottom side of things too
if (remainingHeight <= 8) {
uint8_t maskBottom = ~((0xFF) << y1 % 8); // Create mask for
maskTop = maskTop & maskBottom; // AND the two masks together for final write mask
}
for (uint8_t xpos = x0; xpos < x1; xpos++) {
if (clear) {
stripPointers[currentRow][xpos] &= ~maskTop;
} else {
stripPointers[currentRow][xpos] |= maskTop;
}
}
remainingHeight -= 8; // Reduce remaining height but the row stripe height
}
}
void OLED::drawHeatSymbol(uint8_t state) {
// Draw symbol 14
// Then draw over it, the bottom 5 pixels always stay. 8 pixels above that are
// the levels masks the symbol nicely
state /= 31; // 0-> 8 range
// Then we want to draw down (16-(5+state)
uint8_t cursor_x_temp = cursor_x;
drawSymbol(14);
drawFilledRect(cursor_x_temp, 0, cursor_x_temp + 12, 2 + (8 - state), true);
}
bool OLED::isInitDone() { return initDone; }