Use software SPI for the display for the Teensy 4.0

OpenHumidistat · Dec 21, 2023 · 0be986e · 0be986e
1 parent 722c3ba
commit 0be986e
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diff --git a/src/config.h b/src/config.h
@@ -107,6 +107,8 @@ namespace config {
 
 	/// ST7920 LCD pins
 	const uint8_t PIN_LCD_CS = 10;
+  const uint8_t PIN_LCD_MOSI = 11;
+  const uint8_t PIN_LCD_SCLK = 13;
 
 	/// @name Thermistor pins
 	///@{

diff --git a/src/main.cpp b/src/main.cpp
@@ -70,7 +70,12 @@ CharDisplayUI ui(&liquidCrystal, &buttonReader, &humidistat, trs);
 
 SetpointProfileRunner spr(&humidistat);
 
+#ifdef ARDUINO_TEENSYLC
 U8G2_ST7920_128X64_F_HW_SPI u8g2(U8G2_R0, config::PIN_LCD_CS);
+#endif
+#ifdef ARDUINO_TEENSY40
+U8G2_ST7920_128X64_F_SW_SPI u8g2(U8G2_R0, config::PIN_LCD_SCLK, config::PIN_LCD_MOSI, config::PIN_LCD_CS);
+#endif
 GraphicalDisplayUI<cHumidistat> ui(&u8g2, &buttonReader, &humidistat, trs, &eepromConfig, &spr);
 #endif