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Merge pull request #502 from gwaland/oled-work

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modify /usermods/ssd1306_i2c_oled_u8g2/ to be slightly more robust.
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Aircoookie 2019-12-22 23:56:03 +01:00 committed by GitHub
commit de4be44728
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1 changed files with 15 additions and 5 deletions
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20
usermods/ssd1306_i2c_oled_u8g2/wled06_usermod.ino
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@ -1,12 +1,18 @@
#include <U8x8lib.h> // from https://github.com/olikraus/u8g2/ #include <U8x8lib.h> // from https://github.com/olikraus/u8g2/
//The SCL and SDA pins are defined here.
//Lolin32 boards use SCL=4 SDA=5
#define U8X8_PIN_SCL 5
#define U8X8_PIN_SDA 4
// If display does not work or looks corrupted check the // If display does not work or looks corrupted check the
// constructor reference: // constructor reference:
// https://github.com/olikraus/u8g2/wiki/u8x8setupcpp // https://github.com/olikraus/u8g2/wiki/u8x8setupcpp
// or check the gallery: // or check the gallery:
// https://github.com/olikraus/u8g2/wiki/gallery // https://github.com/olikraus/u8g2/wiki/gallery
U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_NONE, 5, U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_NONE, U8X8_PIN_SCL,
4); // Pins are Reset, SCL, SDA U8X8_PIN_SDA); // Pins are Reset, SCL, SDA
// gets called once at boot. Do all initialization that doesn't depend on // gets called once at boot. Do all initialization that doesn't depend on
// network here // network here
@ -63,7 +69,11 @@ void userLoop() {
needRedraw = false; needRedraw = false;
// Update last known values. // Update last known values.
#if defined(ESP8266)
knownSsid = apActive ? WiFi.softAPSSID() : WiFi.SSID(); knownSsid = apActive ? WiFi.softAPSSID() : WiFi.SSID();
#else
knownSsid = WiFi.SSID();
#endif
knownIp = apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP(); knownIp = apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP();
knownBrightness = bri; knownBrightness = bri;
knownMode = strip.getMode(); knownMode = strip.getMode();
@ -74,9 +84,9 @@ void userLoop() {
// First row with Wifi name // First row with Wifi name
u8x8.setCursor(1, 0); u8x8.setCursor(1, 0);
u8x8.print(ssid.substring(0, u8x8.getCols() > 1 ? u8x8.getCols() - 2 : 0)); u8x8.print(knownSsid.substring(0, u8x8.getCols() > 1 ? u8x8.getCols() - 2 : 0));
// Print `~` char to indicate that SSID is longer, than owr dicplay // Print `~` char to indicate that SSID is longer, than owr dicplay
if (ssid.length() > u8x8.getCols()) if (knownSsid.length() > u8x8.getCols())
u8x8.print("~"); u8x8.print("~");
// Second row with IP or Psssword // Second row with IP or Psssword
@ -85,7 +95,7 @@ void userLoop() {
if (apActive && bri == 0) if (apActive && bri == 0)
u8x8.print(apPass); u8x8.print(apPass);
else else
u8x8.print(ip); u8x8.print(knownIp);
// Third row with mode name // Third row with mode name
u8x8.setCursor(2, 2); u8x8.setCursor(2, 2);