diff --git a/libraries/AP_HAL_ChibiOS/hwdef/FoxeerF405v2/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/FoxeerF405v2/hwdef.dat
index 4eef21fcf6..a7ea2c9fa1 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/FoxeerF405v2/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/FoxeerF405v2/hwdef.dat
@@ -57,8 +57,9 @@ PA11 OTG_FS_DM OTG1
 PA12 OTG_FS_DP OTG1
 
 # USART1
-PA10 USART1_RX USART1 NODMA
-PA9 USART1_TX USART1 NODMA
+PA10 USART1_RX USART1
+PA9 USART1_TX USART1
+define DEFAULT_SERIAL1_PROTOCOL SerialProtocol_ESCTelemetry
 
 # USART2
 PA2 USART2_TX USART2
@@ -66,16 +67,18 @@ PA3 USART2_RX USART2
 define DEFAULT_SERIAL2_PROTOCOL SerialProtocol_RCIN
 
 # USART3
-PC10 USART3_TX USART3 NODMA
+PC10 USART3_TX USART3
 PC11 USART3_RX USART3 NODMA
 
 # UART4
-PA0 UART4_TX UART4 NODMA
-PA1 UART4_RX UART4 NODMA
+PA0 UART4_TX UART4
+PA1 UART4_RX UART4
+define DEFAULT_SERIAL4_PROTOCOL SerialProtocol_None
 
 # UART5
-PC12 UART5_TX UART5
-PD2 UART5_RX UART5
+PC12 UART5_TX UART5 NODMA
+PD2 UART5_RX UART5 NODMA
+define DEFAULT_SERIAL5_PROTOCOL SerialProtocol_GPS
 
 # USART6
 PC6 USART6_TX USART6 NODMA
@@ -125,7 +128,7 @@ define HAL_GPIO_A_LED_PIN 90
 
 PA14 LED1 OUTPUT LOW GPIO(91)
 define HAL_GPIO_B_LED_PIN 91
-define HAL_GPIO_LED_OFF 1
+define HAL_GPIO_LED_ON 0
 
 # Dataflash setup
 SPIDEV dataflash SPI2 DEVID1 FLASH1_CS     MODE3 104*MHZ 104*MHZ
@@ -148,8 +151,6 @@ BARO DPS310 I2C:0:0x76
 SPIDEV imu1   SPI1 DEVID1 GYRO1_CS   MODE3   1*MHZ   8*MHZ
 
 IMU Invensensev3 SPI:imu1 ROTATION_PITCH_180_YAW_90
-DMA_NOSHARE TIM1_UP TIM8_UP TIM4_UP TIM2_UP SPI1*
-DMA_PRIORITY TIM1_UP TIM8_UP TIM4_UP TIM2_UP SPI1*
 
 # no built-in compass, but probe the i2c bus for all possible
 # external compass types