Add 7-bit support to teensy4 HardwareSerial

PaulStoffregen · Nov 17, 2022 · 2b41345 · 2b41345
1 parent 3fdd873
commit 2b41345
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/teensy4/HardwareSerial.cpp b/teensy4/HardwareSerial.cpp
@@ -191,6 +191,7 @@ void HardwareSerial::begin(uint32_t baud, uint16_t format)
 	ctrl |= (format & (LPUART_CTRL_PT | LPUART_CTRL_PE) );	// configure parity - turn off PT, PE, M and configure PT, PE
 	if (format & 0x04) ctrl |= LPUART_CTRL_M;		// 9 bits (might include parity)
 	if ((format & 0x0F) == 0x04) ctrl |=  LPUART_CTRL_R9T8; // 8N2 is 9 bit with 9th bit always 1
+	if ((format & 0x0E) == 0x02) ctrl |= LPUART_CTRL_M7;  // 7-bit support
 
 	// Bit 5 TXINVERT
 	if (format & 0x20) ctrl |= LPUART_CTRL_TXINV;		// tx invert