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Commit 3c1875f

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author
j000bs
committed
Switch to U8g2 display library
OpenSans fonts were reconverted for U8g2.
1 parent a74041e commit 3c1875f

15 files changed

+953
-2007
lines changed

‎platformio.ini‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -51,7 +51,7 @@ lib_deps =
5151
; https://arduinojson.org/v6/api/
5252
bblanchon/ArduinoJson @ ^6.21.2
5353
rlogiacco/CircularBuffer @ ^1.3.3
54-
thingpulse/ESP8266 and ESP32 OLED driver for SSD1306 displays @ ^4.4.0
54+
olikraus/U8g2 @ ^2.35.9
5555
adafruit/Adafruit BMP280 Library@^2.6.8
5656
pololu/VL53L0X@^1.3.1
5757
; https://github.com/fhessel/esp32_https_server

‎src/displays.cpp‎

Lines changed: 14 additions & 23 deletions
Original file line numberDiff line numberDiff line change
@@ -23,7 +23,7 @@
2323

2424
#include "displays.h"
2525

26-
#include "fonts/fonts.h"
26+
#include "fonts/logos.h"
2727

2828
void DisplayDevice::showNumConfirmed() {
2929
String val = String(confirmedMeasurements);
@@ -137,7 +137,7 @@ void DisplayDevice::showValues(
137137
showTemperatureValue(TemperaturValue);
138138
}
139139

140-
m_display->display();
140+
m_display->updateDisplay();
141141

142142
}
143143

@@ -161,45 +161,44 @@ void DisplayDevice::showBatterieValue(int16_t input_val){
161161
xlocation += 1;
162162
}
163163

164-
if(input_val >= 0){
165-
String val = String(input_val);
164+
if(input_val >= 0){
165+
String val = String(input_val);
166166
//showLogo(true);
167167
this->showTextOnGrid(xlocation, 0, val + "%", TINY_FONT, 6, 0);
168168

169169
if(input_val > 90){
170170
cleanBattery(x_offset_batterie_logo, y_offset_batterie_logo);
171-
m_display->drawXbm(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo1);
171+
m_display->drawXBM(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo1);
172172
}else if (input_val > 70)
173173
{
174174
cleanBattery(x_offset_batterie_logo, y_offset_batterie_logo);
175-
m_display->drawXbm(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo2);
175+
m_display->drawXBM(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo2);
176176
}else if (input_val> 50)
177177
{
178178
cleanBattery(x_offset_batterie_logo, y_offset_batterie_logo);
179-
m_display->drawXbm(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo3);
179+
m_display->drawXBM(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo3);
180180
}else if (input_val > 30)
181181
{
182182
cleanBattery(x_offset_batterie_logo, y_offset_batterie_logo);
183-
m_display->drawXbm(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo4);
183+
m_display->drawXBM(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo4);
184184
}else if (input_val >10)
185185
{
186186
cleanBattery(x_offset_batterie_logo, y_offset_batterie_logo);
187-
m_display->drawXbm(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo5);
187+
m_display->drawXBM(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo5);
188188
}else
189189
{
190190
cleanBattery(x_offset_batterie_logo, y_offset_batterie_logo);
191-
m_display->drawXbm(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo6);
191+
m_display->drawXBM(x_offset_batterie_logo, y_offset_batterie_logo, 8, 9, BatterieLogo6);
192192
}
193193

194194
}
195-
//m_display->display();
196195
}
197196

198197
void DisplayDevice::showTemperatureValue(int16_t input_val){
199198
uint8_t x_offset_temp_logo = 30;
200199
uint8_t y_offset_temp_logo = 2;
201200
cleanTemperatur(x_offset_temp_logo,y_offset_temp_logo);
202-
m_display->drawXbm(x_offset_temp_logo, y_offset_temp_logo, 8, 9, TempLogo);
201+
m_display->drawXBM(x_offset_temp_logo, y_offset_temp_logo, 8, 9, TempLogo);
203202
String val = String(input_val);
204203
this->showTextOnGrid(1, 0, val + "°C", TINY_FONT);
205204
}
@@ -231,7 +230,7 @@ uint8_t DisplayDevice::scrollUp() {
231230
for (uint8_t i = 0; i < 5; i++) {
232231
prepareTextOnGrid(2, i, obsDisplay->get_gridTextofCell(2, i + 1));
233232
}
234-
m_display->display();
233+
m_display->updateDisplay();
235234
return mCurrentLine--;
236235
}
237236

@@ -242,22 +241,14 @@ uint8_t DisplayDevice::startLine() {
242241
void DisplayDevice::highlight(uint32_t highlightTimeMillis) {
243242
mHighlightTill = millis() + highlightTimeMillis;
244243
if (!mHighlighted) {
245-
if (mInverted) {
246-
m_display->normalDisplay();
247-
} else {
248-
m_display->invertDisplay();
249-
}
244+
setInversion(!mInverted);
250245
mHighlighted = true;
251246
}
252247
}
253248

254249
void DisplayDevice::handleHighlight() {
255250
if (mHighlighted && mHighlightTill < millis()) {
256-
if (mInverted) {
257-
m_display->invertDisplay();
258-
} else {
259-
m_display->normalDisplay();
260-
}
251+
setInversion(mInverted);
261252
mHighlighted = false;
262253
}
263254
}

‎src/displays.h‎

Lines changed: 69 additions & 61 deletions
Original file line numberDiff line numberDiff line change
@@ -25,30 +25,27 @@
2525
#define OBS_DISPLAYS_H
2626

2727
#include <Arduino.h>
28-
#include <SSD1306.h>
28+
#include <U8g2lib.h>
2929

3030
#include "config.h"
3131
#include "globals.h"
3232
#include "gps.h"
3333
#include "logo.h"
34+
#include "fonts/fonts.h"
3435
#include "sensor.h"
3536

3637

37-
extern const uint8_t Open_Sans_Regular_Plain_8[];
38-
//// this font is part of OLEDDisplay::OLEDDisplay :/
39-
//extern const uint8_t ArialMT_Plain_10[]; // :(
40-
extern const uint8_t Open_Sans_Regular_Plain_10[];
41-
extern const uint8_t Open_Sans_Regular_Plain_20[];
42-
extern const uint8_t Open_Sans_Regular_Plain_34[];
43-
extern const uint8_t Open_Sans_Regular_Plain_50[];
38+
#define BLACK 0
39+
#define WHITE 1
40+
4441
extern const uint8_t BatterieLogo1[];
4542
extern const uint8_t TempLogo[];
4643

47-
#define TINY_FONT Open_Sans_Regular_Plain_8
48-
#define SMALL_FONT Open_Sans_Regular_Plain_10
49-
#define MEDIUM_FONT Open_Sans_Regular_Plain_20
50-
#define LARGE_FONT Open_Sans_Regular_Plain_34
51-
#define HUGE_FONT Open_Sans_Regular_Plain_50
44+
#define TINY_FONT OpenSans_Regular_6
45+
#define SMALL_FONT OpenSans_Regular_7
46+
#define MEDIUM_FONT OpenSans_Regular_15
47+
#define LARGE_FONT OpenSans_Regular_26
48+
#define HUGE_FONT OpenSans_Regular_37
5249

5350
// Forward declare classes to build (because there is a cyclic dependency between sensor.h and displays.h)
5451
class HCSR04SensorInfo;
@@ -64,21 +61,24 @@ class DisplayDevice {
6461
private:
6562
void handleHighlight();
6663
void displaySimple(uint16_t value);
67-
SSD1306* m_display;
64+
U8G2* m_display = new U8G2_SSD1306_128X64_NONAME_F_HW_I2C(U8G2_R0, U8X8_PIN_NONE); // original OBS display
6865
String gridText[ 4 ][ 6 ];
6966
uint8_t mLastProgress = 255;
7067
uint8_t mCurrentLine = 0;
7168
bool mInverted = false;
69+
bool mFlipped = true;
7270
uint32_t mHighlightTill = 0;
7371
bool mHighlighted = false;
7472

7573
public:
7674
DisplayDevice() {
77-
m_display = new SSD1306(0x3c, 21, 22); // ADDRESS, SDA, SCL
78-
m_display->init();
79-
m_display->setBrightness(255);
80-
m_display->setTextAlignment(TEXT_ALIGN_LEFT);
81-
m_display->display();
75+
m_display->begin();
76+
m_display->setFlipMode(mFlipped);
77+
m_display->setContrast(74);
78+
m_display->setFontPosTop();
79+
m_display->setFontMode(1);
80+
m_display->setDrawColor(WHITE);
81+
m_display->updateDisplay();
8282
}
8383

8484
~DisplayDevice() {
@@ -96,20 +96,19 @@ class DisplayDevice {
9696
//##############################################################
9797

9898
void invert() {
99-
m_display->invertDisplay();
100-
m_display->display();
10199
mInverted = true;
100+
setInversion(mInverted);
102101
}
103102

104103
void normalDisplay() {
105-
m_display->normalDisplay();
106-
m_display->display();
107104
mInverted = false;
105+
setInversion(mInverted);
108106
}
109107

110108
void flipScreen() {
111-
m_display->flipScreenVertically();
112-
m_display->display();
109+
mFlipped = !mFlipped;
110+
m_display->setFlipMode(mFlipped);
111+
m_display->updateDisplay();
113112
}
114113

115114
void clear() {
@@ -122,8 +121,8 @@ class DisplayDevice {
122121
//##############################################################
123122

124123
void showLogo(bool val) {
125-
m_display->drawXbm(0, 0, OBSLogo_width, OBSLogo_height, OBSLogo);
126-
m_display->display();
124+
m_display->drawXBM(0, 0, OBSLogo_width, OBSLogo_height, OBSLogo);
125+
m_display->updateDisplay();
127126
}
128127

129128
//##############################################################
@@ -132,18 +131,18 @@ class DisplayDevice {
132131

133132
void showGrid(bool val) {
134133
// Horizontal lines
135-
m_display->drawHorizontalLine(0, 2, 128);
136-
m_display->drawHorizontalLine(0, 12, 128);
137-
m_display->drawHorizontalLine(0, 22, 128);
138-
m_display->drawHorizontalLine(0, 32, 128);
139-
m_display->drawHorizontalLine(0, 42, 128);
140-
m_display->drawHorizontalLine(0, 52, 128);
141-
m_display->drawHorizontalLine(0, 62, 128);
134+
m_display->drawHLine(0, 2, 128);
135+
m_display->drawHLine(0, 12, 128);
136+
m_display->drawHLine(0, 22, 128);
137+
m_display->drawHLine(0, 32, 128);
138+
m_display->drawHLine(0, 42, 128);
139+
m_display->drawHLine(0, 52, 128);
140+
m_display->drawHLine(0, 62, 128);
142141

143142
// Vertical lines
144-
m_display->drawVerticalLine(32, 0, 64);
145-
m_display->drawVerticalLine(64, 0, 64);
146-
m_display->drawVerticalLine(96, 0, 64);
143+
m_display->drawVLine(32, 0, 64);
144+
m_display->drawVLine(64, 0, 64);
145+
m_display->drawVLine(96, 0, 64);
147146
}
148147

149148
//##############################################################
@@ -166,7 +165,7 @@ class DisplayDevice {
166165

167166
void showTextOnGrid(int16_t x, int16_t y, String text, const uint8_t* font = SMALL_FONT, int8_t offset_x_ = 0, int8_t offset_y_ = 0) {
168167
if (prepareTextOnGrid(x, y, text, font,offset_x_,offset_y_)) {
169-
m_display->display();
168+
m_display->updateDisplay();
170169
}
171170
}
172171

@@ -186,7 +185,7 @@ class DisplayDevice {
186185
// 2 => 8 - (2*2) = 4
187186
// 3 => 8 - (3*2) = 2
188187
int x_offset = 8 - (x * 2);
189-
m_display->drawString(x * 32 + x_offset + offset_x_, y * 10 + 1 + offset_y_, gridText[x][y]);
188+
m_display->drawStr(x * 32 + x_offset + offset_x_, y * 10 + 1 + offset_y_, gridText[x][y].c_str());
190189
changed = true;
191190
}
192191
return changed;
@@ -199,7 +198,7 @@ class DisplayDevice {
199198
gridText[x][y] = "";
200199
}
201200
}
202-
m_display->display();
201+
m_display->updateDisplay();
203202
}
204203

205204
// Override the existing WHITE text with BLACK
@@ -208,23 +207,23 @@ class DisplayDevice {
208207
}
209208

210209
void cleanGridCell(int16_t x, int16_t y,int8_t offset_x_, int8_t offset_y_) {
211-
m_display->setColor(BLACK);
210+
m_display->setDrawColor(BLACK);
212211
int x_offset = 8 - (x * 2);
213-
m_display->drawString(x * 32 + x_offset + offset_x_, y * 10 + 1 + offset_y_, gridText[x][y]);
212+
m_display->drawStr(x * 32 + x_offset + offset_x_, y * 10 + 1 + offset_y_, gridText[x][y].c_str());
214213
gridText[x][y] = "";
215-
m_display->setColor(WHITE);
214+
m_display->setDrawColor(WHITE);
216215
}
217216

218217
void cleanBattery(int16_t x, int16_t y){
219-
m_display->setColor(BLACK);
220-
m_display->drawXbm(x, y, 8, 9, BatterieLogo1);
221-
m_display->setColor(WHITE);
218+
m_display->setDrawColor(BLACK);
219+
m_display->drawXBM(x, y, 8, 9, BatterieLogo1);
220+
m_display->setDrawColor(WHITE);
222221
}
223222

224223
void cleanTemperatur(int16_t x, int16_t y){
225-
m_display->setColor(BLACK);
226-
m_display->drawXbm(x, y, 8, 9, TempLogo);
227-
m_display->setColor(WHITE);
224+
m_display->setDrawColor(BLACK);
225+
m_display->drawXBM(x, y, 8, 9, TempLogo);
226+
m_display->setDrawColor(WHITE);
228227
}
229228

230229
void drawProgressBar(uint8_t y, uint32_t current, uint32_t target) {
@@ -242,34 +241,34 @@ class DisplayDevice {
242241
uint16_t rowOffset = y * 10 + 3;
243242

244243
if (mLastProgress != progress) {
245-
m_display->drawRect(12, rowOffset, 104, 8);
244+
m_display->drawFrame(12, rowOffset, 104, 8);
246245
if (progress != 0) {
247-
m_display->fillRect(14, rowOffset + 2, progress > 100 ? 100 : progress, 4);
246+
m_display->drawBox(14, rowOffset + 2, progress > 100 ? 100 : progress, 4);
248247
}
249-
m_display->display();
248+
m_display->updateDisplay();
250249
mLastProgress = progress;
251250
}
252251
}
253252

254253
void drawWaitBar(uint8_t y, uint16_t tick) {
255254
uint16_t rowOffset = y * 10 + 3;
256-
m_display->drawRect(12, rowOffset, 104, 8);
257-
m_display->setColor(BLACK);
258-
m_display->fillRect(14, rowOffset + 2, 100, 4);
259-
m_display->setColor(WHITE);
255+
m_display->drawFrame(12, rowOffset, 104, 8);
256+
m_display->setDrawColor(BLACK);
257+
m_display->drawBox(14, rowOffset + 2, 100, 4);
258+
m_display->setDrawColor(WHITE);
260259

261260
int16_t pos = 45 + (45.0 * sin(tick / 10.0));
262-
m_display->fillRect(14 + pos, rowOffset + 2, 10, 4);
263-
m_display->display();
261+
m_display->drawBox(14 + pos, rowOffset + 2, 10, 4);
262+
m_display->updateDisplay();
264263
}
265264

266265
void clearProgressBar(uint8_t y) {
267266
if (UINT8_MAX != mLastProgress) {
268267
clearTextLine(y);
269268
uint16_t rowOffset = y * 10 + 3;
270-
m_display->setColor(BLACK);
271-
m_display->fillRect(12, rowOffset, 104, 8);
272-
m_display->setColor(WHITE);
269+
m_display->setDrawColor(BLACK);
270+
m_display->drawBox(12, rowOffset, 104, 8);
271+
m_display->setDrawColor(WHITE);
273272
m_display->display();
274273
mLastProgress = UINT8_MAX;
275274
}
@@ -310,6 +309,15 @@ class DisplayDevice {
310309
uint16_t minDistanceToConfirm, int16_t batteryPercentage, int16_t TemperaturValue,
311310
int lastMeasurements, boolean insidePrivacyArea, double speed, uint8_t satellites);
312311

312+
313+
//##############################################################
314+
// Internal methods
315+
//##############################################################
316+
317+
private:
318+
void setInversion(bool enabled) {
319+
m_display->sendF("c", enabled ? 0xa7 : 0xa6); // set inversion of the SSD1306 OLED
320+
}
313321
};
314322

315323
#endif

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