_USB + _OTA envs

platformio.ini

@@ -8,17 +8,37 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env:esp32dev]
+[basic]
 platform = espressif32
 board = esp32dev
 framework = arduino
 lib_deps = https://github.com/adafruit/Adafruit_NeoPixel
            https://github.com/knolleary/pubsubclient
 build_flags =
-upload_port = 10.0.0.116
-upload_protocol = espota
-;upload_port = /dev/ttyUSB0
-;upload_speed = 921600
 monitor_port = /dev/ttyUSB0
 monitor_speed = 115200
 monitor_filters = esp32_exception_decoder
+
+[env:RGBMatrixDisplay_USB]
+platform = ${basic.platform}
+board = ${basic.board}
+framework = ${basic.framework}
+lib_deps = ${basic.lib_deps}
+build_flags = ${basic.build_flags}
+monitor_port = ${basic.monitor_port}
+monitor_speed = ${basic.monitor_speed}
+monitor_filters = ${basic.monitor_filters}
+upload_port = /dev/ttyUSB0
+upload_speed = 921600
+
+[env:RGBMatrixDisplay_OTA]
+platform = ${basic.platform}
+board = ${basic.board}
+framework = ${basic.framework}
+lib_deps = ${basic.lib_deps}
+build_flags = ${basic.build_flags}
+monitor_port = ${basic.monitor_port}
+monitor_speed = ${basic.monitor_speed}
+monitor_filters = ${basic.monitor_filters}
+upload_port = 10.0.0.116
+upload_protocol = espota

src/display/Display.h

@@ -119,7 +119,7 @@ public:
     const int value = (int) round(abs(valueDbl));
     const bool negative = valueDbl < 0;
 
-      const int digitCount = (int) max(1.0, ceil(log10(value))); // log10 is -inf for value==0, hence the max(1.0, ...)
+    const int digitCount = (int) max(1.0, floor(log10(value)) + 1); // log10 is -inf for value==0, hence the max(1.0, ...)
     if (align == RIGHT) {
       x -= ((negative ? 1 : 0) + digitCount) * (DISPLAY_CHAR_WIDTH + 1) - 1;
     }