Add support for Teensy 4.0:

- Add env in platformio.ini - Add conditional compilation checks for ARDUINO_TEENSY40 - Add workaround for bug in Teensyduino (#undef abs before #include <cmath>)
OpenHumidistat · Nov 22, 2023 · 722c3ba · 722c3ba
1 parent 3c45d61
commit 722c3ba
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Showing 4 changed files with 11 additions and 3 deletions.
diff --git a/platformio.ini b/platformio.ini
@@ -38,3 +38,10 @@ board = teensylc
 ; for floating point support in printf
 build_flags = ${env.build_flags} -Wl,-u,_printf_float
 upload_protocol = teensy-cli
+
+[env:teensy40]
+platform = teensy
+board = teensy40
+; for floating point support in printf
+build_flags = ${env.build_flags} -Wl,-u,_printf_float
+upload_protocol = teensy-cli
diff --git a/src/config.h b/src/config.h
@@ -97,7 +97,7 @@ namespace config {
 	const uint8_t PIN_T4 = A4;
 	///@}
 #endif
-#ifdef ARDUINO_TEENSYLC
+#if defined(ARDUINO_TEENSYLC) || defined(ARDUINO_TEENSY40)
 	const uint8_t PIN_DHT = 17;
 	const uint8_t PIN_BTN = A0;
 	const uint8_t PIN_S1 = 3;

diff --git a/src/main.cpp b/src/main.cpp
@@ -36,7 +36,7 @@ ButtonReader buttonReader(config::PIN_BTN, &voltLadder);
 EEPROMConfig eepromConfig;
 
 // PWM frequency and resolution: MCU-dependent
-#ifdef ARDUINO_TEENSYLC
+#if defined(ARDUINO_TEENSYLC) || defined(ARDUINO_TEENSY40)
 const uint8_t pwmRes = 16;
 #else
 const uint8_t pwmRes = 8;
@@ -82,7 +82,7 @@ void setup() {
 	// See: https://arduinoinfo.mywikis.net/wiki/Arduino-PWM-Frequency
 	TCCR2B = TCCR2B & B11111000 | B00000100;
 #endif
-#ifdef ARDUINO_TEENSYLC
+#if defined(ARDUINO_TEENSYLC) || defined(ARDUINO_TEENSY40)
 	// Set PWM frequency to 250 Hz
 	analogWriteFrequency(config::PIN_S1, 500);
 	// Increase PWM resolution from default 8-bits

diff --git a/src/ui/GraphicalDisplayUI.h b/src/ui/GraphicalDisplayUI.h
@@ -4,6 +4,7 @@
 #include <U8g2lib.h>
 #include <SPI.h>
 #include <etl/span.h>
+#undef abs
 #include <cmath>
 
 #include CONFIG_HEADER