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-rw-r--r--src/wiring/comm/HardwareSerial.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/wiring/comm/HardwareSerial.cpp b/src/wiring/comm/HardwareSerial.cpp
index 84eb4c7..3d0a0ce 100644
--- a/src/wiring/comm/HardwareSerial.cpp
+++ b/src/wiring/comm/HardwareSerial.cpp
@@ -27,6 +27,7 @@
#include "HardwareSerial.h"
#include "usart.h"
#include "gpio.h"
+#include "timers.h"
#define USART1_TX_PORT GPIOA_BASE
#define USART1_TX_PIN 9
@@ -75,6 +76,8 @@ void HardwareSerial::begin(uint32_t baud) {
case 2:
gpio_set_mode(USART2_TX_PORT, USART2_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);
gpio_set_mode(USART2_RX_PORT, USART2_RX_PIN, GPIO_MODE_INPUT_FLOATING);
+ /* Turn off any pwm */
+ timers_disable_channel(2, 3);
break;
case 3:
gpio_set_mode(USART3_TX_PORT, USART3_TX_PIN, GPIO_MODE_AF_OUTPUT_PP);