Merge branch 'master' of github.com:Aircoookie/WLED into disable_n_leds_for_all_fx

 Conflicts:
	wled00/data/settings_leds.htm
This commit is contained in:
emerrill 2019-11-29 10:56:59 -07:00
commit 4729bce16c
11 changed files with 265 additions and 34 deletions

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# SSD1306 128x32 OLED via I2C with u8g2
This usermod allows to connect 128x32 Oled display to WLED controlled and show
the next information:
- Current SSID
- IP address if obtained
* in AP mode and turned off lightning AP password is shown
- Current effect
- Current palette
- On/Off icon (sun/moon)
## Hardware
![Hardware connection](assets/hw_connection.png)
## Requirements
Functionality checked with:
- commit 095429a7df4f9e2b34dd464f7bbfd068df6558eb
- Wemos d1 mini
- PlatformIO
- Generic SSD1306 128x32 I2C OLED display from aliexpress
### Platformio
Add `U8g2@~2.27.2` dependency to `lib_deps_external` under `[common]` section in `platformio.ini`:
```ini
# platformio.ini
...
[common]
...
lib_deps_external =
...
U8g2@~2.27.2
...
```
### Arduino IDE
Install library `U8g2 by oliver` in `Tools | Include Library | Manage libraries` menu.

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#include <U8x8lib.h> // from https://github.com/olikraus/u8g2/
// If display does not work or looks corrupted check the
// constructor reference:
// https://github.com/olikraus/u8g2/wiki/u8x8setupcpp
// or check the gallery:
// https://github.com/olikraus/u8g2/wiki/gallery
U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_NONE, 5,
4); // Pins are Reset, SCL, SDA
// gets called once at boot. Do all initialization that doesn't depend on
// network here
void userSetup() {
u8x8.begin();
u8x8.setPowerSave(0);
u8x8.setFont(u8x8_font_chroma48medium8_r);
u8x8.drawString(0, 0, "Loading...");
}
// gets called every time WiFi is (re-)connected. Initialize own network
// interfaces here
void userConnected() {}
// needRedraw marks if redraw is required to prevent often redrawing.
bool needRedraw = true;
// Next variables hold the previous known values to determine if redraw is
// required.
String knownSsid = "";
IPAddress knownIp;
uint8_t knownBrightness = 0;
uint8_t knownMode = 0;
uint8_t knownPalette = 0;
long lastUpdate = 0;
// How often we are redrawing screen
#define USER_LOOP_REFRESH_RATE_MS 5000
void userLoop() {
// Check if we time interval for redrawing passes.
if (millis() - lastUpdate < USER_LOOP_REFRESH_RATE_MS) {
return;
}
lastUpdate = millis();
// Check if values which are shown on display changed from the last tiem.
if ((apActive == true ? String(apSSID) : WiFi.SSID()) != knownSsid) {
needRedraw = true;
} else if (knownIp != (apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP())) {
needRedraw = true;
} else if (knownBrightness != bri) {
needRedraw = true;
} else if (knownMode != strip.getMode()) {
needRedraw = true;
} else if (knownPalette != strip.getSegment(0).palette) {
needRedraw = true;
}
if (!needRedraw) {
return;
}
needRedraw = false;
// Update last known values.
knownSsid = apActive ? WiFi.softAPSSID() : WiFi.SSID();
knownIp = apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP();
knownBrightness = bri;
knownMode = strip.getMode();
knownPalette = strip.getSegment(0).palette;
u8x8.clear();
u8x8.setFont(u8x8_font_chroma48medium8_r);
// First row with Wifi name
u8x8.setCursor(1, 0);
u8x8.print(ssid.substring(0, u8x8.getCols() > 1 ? u8x8.getCols() - 2 : 0));
// Print `~` char to indicate that SSID is longer, than owr dicplay
if (ssid.length() > u8x8.getCols())
u8x8.print("~");
// Second row with IP or Psssword
u8x8.setCursor(1, 1);
// Print password in AP mode and if led is OFF.
if (apActive && bri == 0)
u8x8.print(apPass);
else
u8x8.print(ip);
// Third row with mode name
u8x8.setCursor(2, 2);
uint8_t qComma = 0;
bool insideQuotes = false;
uint8_t printedChars = 0;
char singleJsonSymbol;
// Find the mode name in JSON
for (size_t i = 0; i < strlen_P(JSON_mode_names); i++) {
singleJsonSymbol = pgm_read_byte_near(JSON_mode_names + i);
switch (singleJsonSymbol) {
case '"':
insideQuotes = !insideQuotes;
break;
case '[':
case ']':
break;
case ',':
qComma++;
default:
if (!insideQuotes || (qComma != knownMode))
break;
u8x8.print(singleJsonSymbol);
printedChars++;
}
if ((qComma > knownMode) || (printedChars > u8x8.getCols() - 2))
break;
}
// Fourth row with palette name
u8x8.setCursor(2, 3);
qComma = 0;
insideQuotes = false;
printedChars = 0;
// Looking for palette name in JSON.
for (size_t i = 0; i < strlen_P(JSON_palette_names); i++) {
singleJsonSymbol = pgm_read_byte_near(JSON_palette_names + i);
switch (singleJsonSymbol) {
case '"':
insideQuotes = !insideQuotes;
break;
case '[':
case ']':
break;
case ',':
qComma++;
default:
if (!insideQuotes || (qComma != knownPalette))
break;
u8x8.print(singleJsonSymbol);
printedChars++;
}
if ((qComma > knownMode) || (printedChars > u8x8.getCols() - 2))
break;
}
u8x8.setFont(u8x8_font_open_iconic_embedded_1x1);
u8x8.drawGlyph(0, 0, 80); // wifi icon
u8x8.drawGlyph(0, 1, 68); // home icon
u8x8.setFont(u8x8_font_open_iconic_weather_2x2);
u8x8.drawGlyph(0, 2, 66 + (bri > 0 ? 3 : 0)); // sun/moon icon
}

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@ -16,14 +16,14 @@
//You are required to disable over-the-air updates:
//#define WLED_DISABLE_OTA
//You need to choose 1-2 of these features to disable:
//You need to choose some of these features to disable:
//#define WLED_DISABLE_ALEXA
//#define WLED_DISABLE_BLYNK
//#define WLED_DISABLE_CRONIXIE
//#define WLED_DISABLE_HUESYNC
//#define WLED_DISABLE_INFRARED //there is no pin left for this on ESP8266-01
//#define WLED_DISABLE_MOBILE_UI
#define WLED_ENABLE_ADALIGHT //only saves about 500b
#define WLED_DISABLE_FILESYSTEM //SPIFFS is not used by any WLED feature yet
//#define WLED_ENABLE_FS_SERVING //Enable sending html file from SPIFFS before serving progmem version
@ -437,7 +437,7 @@ AsyncMqttClient* mqtt = NULL;
void serveMessage(AsyncWebServerRequest*,uint16_t,String,String,byte);
void handleE131Packet(e131_packet_t*, IPAddress);
#define E131_MAX_UNIVERSE_COUNT 7
#define E131_MAX_UNIVERSE_COUNT 9
//udp interface objects
WiFiUDP notifierUdp, rgbUdp;

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/*
* Utility for SPIFFS filesystem & Serial console
*/
enum class AdaState {
Header_A,
Header_d,
Header_a,
Header_CountHi,
Header_CountLo,
Header_CountCheck,
Data_Red,
Data_Green,
Data_Blue
};
void handleSerial()
{
if (Serial.available() > 0) //support for Adalight protocol to high-speed control LEDs over serial
{
if (!Serial.find("Ada")) return;
#ifdef WLED_ENABLE_ADALIGHT
static auto state = AdaState::Header_A;
static uint16_t count = 0;
static uint16_t pixel = 0;
static byte check = 0x00;
static byte red = 0x00;
static byte green = 0x00;
static bool changed = false;
while (Serial.available() > 0)
{
byte next = Serial.read();
switch (state) {
case AdaState::Header_A:
if (next == 'A') state = AdaState::Header_d;
break;
case AdaState::Header_d:
if (next == 'd') state = AdaState::Header_a;
else state = AdaState::Header_A;
break;
case AdaState::Header_a:
if (next == 'a') state = AdaState::Header_CountHi;
else state = AdaState::Header_A;
break;
case AdaState::Header_CountHi:
pixel = 0;
count = next * 0x100;
check = next;
state = AdaState::Header_CountLo;
break;
case AdaState::Header_CountLo:
count += next + 1;
check = check ^ next ^ 0x55;
state = AdaState::Header_CountCheck;
break;
case AdaState::Header_CountCheck:
if (check == next) state = AdaState::Data_Red;
else state = AdaState::Header_A;
break;
case AdaState::Data_Red:
red = next;
state = AdaState::Data_Green;
break;
case AdaState::Data_Green:
green = next;
state = AdaState::Data_Blue;
break;
case AdaState::Data_Blue:
byte blue = next;
changed = true;
setRealtimePixel(pixel++, red, green, blue, 0);
if (--count > 0) state = AdaState::Data_Red;
else state = AdaState::Header_A;
break;
}
}
if (changed)
{
if (!realtimeActive && bri == 0) strip.setBrightness(briLast);
arlsLock(realtimeTimeoutMs);
yield();
byte hi = Serial.read();
byte ledc = Serial.read();
byte chk = Serial.read();
if(chk != (hi ^ ledc ^ 0x55)) return;
if (ledCount < ledc) ledc = ledCount;
byte sc[3]; int t =-1; int to = 0;
for (int i=0; i < ledc; i++)
{
for (byte j=0; j<3; j++)
{
while (Serial.peek()<0) //no data yet available
{
yield();
to++;
if (to>15) {strip.show(); return;} //unexpected end of transmission
}
to = 0;
sc[j] = Serial.read();
}
setRealtimePixel(i,sc[0],sc[1],sc[2],0);
}
strip.show();
changed = false;
}
#endif
}