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-rw-r--r--src/wiring/comm/HardwareSerial.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/wiring/comm/HardwareSerial.cpp b/src/wiring/comm/HardwareSerial.cpp
index 3d0a0ce..04d8d18 100644
--- a/src/wiring/comm/HardwareSerial.cpp
+++ b/src/wiring/comm/HardwareSerial.cpp
@@ -72,6 +72,8 @@ void HardwareSerial::begin(uint32_t baud) {
case 1:
gpio_set_mode(USART1_TX_PORT, USART1_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);
gpio_set_mode(USART1_RX_PORT, USART1_RX_PIN, GPIO_MODE_INPUT_FLOATING);
+ /* Turn off any pwm */
+ timers_disable_channel(1, 2);
break;
case 2:
gpio_set_mode(USART2_TX_PORT, USART2_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);