boards/mro/ctrl-zero-classic: corrections for mRo Control Zero Classi…

…c Board (PX4#22745) - Build target changed from STM32H743II to STM32H743ZI - Missing external SPI interface added - Nonexistent I2C3 interface removed - I2C4 pins changed - Red and Green LED lights remapped - Missing ADC inputs added and already present ones corrected - CAN Silent interfaces corrected - Power pins corrected and Level Shifter pin added to enable ICM20948 - Buzzer pin remapped - HRT channel and PPM pin changed - RSSI input remapped - ICM20602 and BMI088 pins corrected - Serial ports remapped
TOTON95 · May 21, 2024 · 8fe8886 · 8fe8886
1 parent 880712a
commit 8fe8886
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Showing 10 changed files with 97 additions and 50 deletions.
diff --git a/boards/mro/ctrl-zero-classic/default.px4board b/boards/mro/ctrl-zero-classic/default.px4board
@@ -1,9 +1,11 @@
 CONFIG_BOARD_TOOLCHAIN="arm-none-eabi"
 CONFIG_BOARD_ARCHITECTURE="cortex-m7"
-CONFIG_BOARD_SERIAL_GPS1="/dev/ttyS2"
-CONFIG_BOARD_SERIAL_TEL1="/dev/ttyS0"
-CONFIG_BOARD_SERIAL_TEL2="/dev/ttyS1"
-CONFIG_BOARD_SERIAL_TEL3="/dev/ttyS4"
+CONFIG_BOARD_SERIAL_GPS1="/dev/ttyS3"
+CONFIG_BOARD_SERIAL_GPS2="/dev/ttyS4"
+CONFIG_BOARD_SERIAL_TEL1="/dev/ttyS1"
+CONFIG_BOARD_SERIAL_TEL2="/dev/ttyS2"
+CONFIG_BOARD_SERIAL_TEL3="/dev/ttyS5"
+CONFIG_BOARD_SERIAL_TEL4="/dev/ttyS0"
 CONFIG_DRIVERS_ADC_ADS1115=y
 CONFIG_DRIVERS_ADC_BOARD_ADC=y
 CONFIG_DRIVERS_BAROMETER_DPS310=y
@@ -25,6 +27,7 @@ CONFIG_DRIVERS_PCA9685_PWM_OUT=y
 CONFIG_DRIVERS_POWER_MONITOR_INA226=y
 CONFIG_DRIVERS_PWM_OUT=y
 CONFIG_DRIVERS_RC_INPUT=y
+CONFIG_DRIVERS_SAFETY_BUTTON=y
 CONFIG_DRIVERS_SMART_BATTERY_BATMON=y
 CONFIG_COMMON_TELEMETRY=y
 CONFIG_DRIVERS_TONE_ALARM=y
@@ -96,4 +99,3 @@ CONFIG_SYSTEMCMDS_UORB=y
 CONFIG_SYSTEMCMDS_USB_CONNECTED=y
 CONFIG_SYSTEMCMDS_VER=y
 CONFIG_SYSTEMCMDS_WORK_QUEUE=y
-CONFIG_EXAMPLES_FAKE_GPS=y
diff --git a/boards/mro/ctrl-zero-classic/init/rc.board_defaults b/boards/mro/ctrl-zero-classic/init/rc.board_defaults
@@ -6,4 +6,4 @@
 param set-default BAT1_V_DIV 10.1
 param set-default BAT1_A_PER_V 17
 
-safety_button start
+param set-default TEL_FRSKY_CONFIG 103
diff --git a/boards/mro/ctrl-zero-classic/init/rc.board_sensors b/boards/mro/ctrl-zero-classic/init/rc.board_sensors
@@ -16,3 +16,5 @@ icm20948 -s -b 1 -R 8 -M start
 
 # Interal DPS310 (barometer)
 dps310 -s -b 2 start
+
+safety_button start
diff --git a/boards/mro/ctrl-zero-classic/nuttx-config/bootloader/defconfig b/boards/mro/ctrl-zero-classic/nuttx-config/bootloader/defconfig
@@ -15,7 +15,7 @@ CONFIG_ARCH_BOARD_CUSTOM_DIR="../../../../boards/mro/ctrl-zero-classic/nuttx-con
 CONFIG_ARCH_BOARD_CUSTOM_DIR_RELPATH=y
 CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
 CONFIG_ARCH_CHIP="stm32h7"
-CONFIG_ARCH_CHIP_STM32H743II=y
+CONFIG_ARCH_CHIP_STM32H743ZI=y
 CONFIG_ARCH_CHIP_STM32H7=y
 CONFIG_ARCH_INTERRUPTSTACK=768
 CONFIG_ARMV7M_BASEPRI_WAR=y

diff --git a/boards/mro/ctrl-zero-classic/nuttx-config/include/board.h b/boards/mro/ctrl-zero-classic/nuttx-config/include/board.h
@@ -222,6 +222,9 @@
 
 
 /* UART/USART */
+#define GPIO_USART1_TX	 GPIO_USART1_TX_3      /* PB6  */
+#define GPIO_USART1_RX	 GPIO_USART1_RX_3      /* PB7  */
+
 #define GPIO_USART2_TX   GPIO_USART2_TX_2      /* PD5  */
 #define GPIO_USART2_RX   GPIO_USART2_RX_2      /* PD6  */
 #define GPIO_USART2_CTS  GPIO_USART2_CTS_NSS_2 /* PD3  */
@@ -235,9 +238,6 @@
 #define GPIO_UART4_TX    GPIO_UART4_TX_2       /* PA0  */
 #define GPIO_UART4_RX    GPIO_UART4_RX_2       /* PA1  */
 
-#define GPIO_USART6_TX   0                     /* USART6 is RX-only */
-#define GPIO_USART6_RX   GPIO_USART6_RX_1      /* PC7  */
-
 #define GPIO_UART7_TX    GPIO_UART7_TX_3       /* PE8  */
 #define GPIO_UART7_RX    GPIO_UART7_RX_3       /* PE7  */
 
@@ -268,13 +268,14 @@
 #define GPIO_SPI5_MISO   GPIO_SPI5_MISO_1               /* PF8  */
 #define GPIO_SPI5_MOSI   GPIO_SPI5_MOSI_2               /* PF9  */
 
+#define GPIO_SPI6_SCK    ADJ_SLEW_RATE(GPIO_SPI6_SCK_1) /* PG13  */
+#define GPIO_SPI6_MISO   GPIO_SPI6_MISO_1               /* PG12  */
+#define GPIO_SPI6_MOSI   GPIO_SPI6_MOSI_1               /* PG14  */
+
 
 /* I2C */
 #define GPIO_I2C1_SCL GPIO_I2C1_SCL_2       /* PB8  */
 #define GPIO_I2C1_SDA GPIO_I2C1_SDA_2       /* PB9  */
 
-#define GPIO_I2C3_SCL GPIO_I2C3_SCL_2       /* PH7 */
-#define GPIO_I2C3_SDA GPIO_I2C3_SDA_2       /* PH8 */
-
-#define GPIO_I2C4_SCL GPIO_I2C4_SCL_4       /* PB6 */
-#define GPIO_I2C4_SDA GPIO_I2C4_SDA_4       /* PB7 */
+#define GPIO_I2C4_SCL GPIO_I2C4_SCL_2       /* PF14 */
+#define GPIO_I2C4_SDA GPIO_I2C4_SDA_2       /* PF15 */
diff --git a/boards/mro/ctrl-zero-classic/nuttx-config/nsh/defconfig b/boards/mro/ctrl-zero-classic/nuttx-config/nsh/defconfig
@@ -56,7 +56,7 @@ CONFIG_ARCH_BOARD_CUSTOM_DIR="../../../../boards/mro/ctrl-zero-classic/nuttx-con
 CONFIG_ARCH_BOARD_CUSTOM_DIR_RELPATH=y
 CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
 CONFIG_ARCH_CHIP="stm32h7"
-CONFIG_ARCH_CHIP_STM32H743II=y
+CONFIG_ARCH_CHIP_STM32H743ZI=y
 CONFIG_ARCH_CHIP_STM32H7=y
 CONFIG_ARCH_INTERRUPTSTACK=768
 CONFIG_ARCH_STACKDUMP=y
@@ -190,7 +190,6 @@ CONFIG_STM32H7_DMA2=y
 CONFIG_STM32H7_DMACAPABLE=y
 CONFIG_STM32H7_FLOWCONTROL_BROKEN=y
 CONFIG_STM32H7_I2C1=y
-CONFIG_STM32H7_I2C3=y
 CONFIG_STM32H7_I2C4=y
 CONFIG_STM32H7_I2C_DYNTIMEO=y
 CONFIG_STM32H7_I2C_DYNTIMEO_STARTSTOP=10
@@ -210,17 +209,20 @@ CONFIG_STM32H7_SPI2=y
 CONFIG_STM32H7_SPI5=y
 CONFIG_STM32H7_SPI5_DMA=y
 CONFIG_STM32H7_SPI5_DMA_BUFFER=1024
+CONFIG_STM32H7_SPI6=y
+CONFIG_STM32H7_TIM15=y
+CONFIG_STM32H7_TIM16=y
 CONFIG_STM32H7_TIM1=y
 CONFIG_STM32H7_TIM2=y
 CONFIG_STM32H7_TIM3=y
 CONFIG_STM32H7_TIM4=y
 CONFIG_STM32H7_TIM8=y
+CONFIG_STM32H7_USART1=y
+CONFIG_STM32H7_USART2=y
+CONFIG_STM32H7_USART3=y
 CONFIG_STM32H7_UART4=y
 CONFIG_STM32H7_UART7=y
 CONFIG_STM32H7_UART8=y
-CONFIG_STM32H7_USART2=y
-CONFIG_STM32H7_USART3=y
-CONFIG_STM32H7_USART6=y
 CONFIG_STM32H7_USART_BREAKS=y
 CONFIG_STM32H7_USART_INVERT=y
 CONFIG_STM32H7_USART_SINGLEWIRE=y
@@ -250,9 +252,6 @@ CONFIG_USART3_IFLOWCONTROL=y
 CONFIG_USART3_OFLOWCONTROL=y
 CONFIG_USART3_RXBUFSIZE=600
 CONFIG_USART3_TXBUFSIZE=3000
-CONFIG_USART6_BAUD=57600
-CONFIG_USART6_RXBUFSIZE=600
-CONFIG_USART6_TXBUFSIZE=1500
 CONFIG_USBDEV=y
 CONFIG_USBDEV_BUSPOWERED=y
 CONFIG_USBDEV_MAXPOWER=500

diff --git a/boards/mro/ctrl-zero-classic/src/board_config.h b/boards/mro/ctrl-zero-classic/src/board_config.h
@@ -45,95 +45,111 @@
 #include <stm32_gpio.h>
 
 /* LEDs are driven with push open drain to support Anode to 5V or 3.3V */
-#define GPIO_nLED_RED   /* PB11 */ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN11)
-#define GPIO_nLED_GREEN /* PB1  */ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN1)
+#define GPIO_nLED_RED   /* PB4 */ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN4)
+#define GPIO_nLED_GREEN /* PB5  */ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN5)
 #define GPIO_nLED_BLUE  /* PB3  */ (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN3)
 
+#define GPIO_LED_SAFETY /* PE6  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTE|GPIO_PIN6)
+
 #define BOARD_HAS_CONTROL_STATUS_LEDS      1
 #define BOARD_OVERLOAD_LED     LED_RED
 #define BOARD_ARMED_STATE_LED  LED_BLUE
 
 /* ADC channels */
 #define PX4_ADC_GPIO  \
-	/* PA2 */  GPIO_ADC12_INP14,  \
+	/* PC4 */  GPIO_ADC12_INP4,   \
 	/* PA3 */  GPIO_ADC12_INP15,  \
 	/* PA4 */  GPIO_ADC12_INP18,  \
-	/* PC1 */  GPIO_ADC123_INP11
+	/* PC0 */  GPIO_ADC123_INP10, \
+	/* PC5 */  GPIO_ADC12_INP8,   \
+	/* PB0 */  GPIO_ADC12_INP9,   \
+	/* PB1 */  GPIO_ADC12_INP5
 
 /* Define Channel numbers must match above GPIO pins */
-#define ADC_BATTERY_VOLTAGE_CHANNEL       14 /* PA2 BATT_VOLT_SENS */
+#define ADC_BATTERY_VOLTAGE_CHANNEL       4 /* PC4 BATT_VOLT_SENS */
 #define ADC_BATTERY_CURRENT_CHANNEL       15 /* PA3 BATT_CURRENT_SENS */
 #define ADC_SCALED_V5_CHANNEL             18 /* PA4 VDD_5V_SENS */
-#define ADC_RC_RSSI_CHANNEL               11 /* PC1 */
+#define ADC_RC_RSSI_CHANNEL               10 /* PC0 */
+#define ADC_AIRSPEED_VOLTAGE_CHANNEL       8 /* PC5 */
+#define ADC_AUX1_VOLTAGE_CHANNEL       	   9 /* PB0 */
+#define ADC_AUX2_VOLTAGE_CHANNEL       	   5 /* PB1 */
 
 #define ADC_CHANNELS \
 	((1 << ADC_BATTERY_VOLTAGE_CHANNEL)       | \
 	 (1 << ADC_BATTERY_CURRENT_CHANNEL)       | \
 	 (1 << ADC_SCALED_V5_CHANNEL)             | \
-	 (1 << ADC_RC_RSSI_CHANNEL))
+	 (1 << ADC_RC_RSSI_CHANNEL)		  | \
+	 (1 << ADC_AIRSPEED_VOLTAGE_CHANNEL)	  | \
+	 (1 << ADC_AUX1_VOLTAGE_CHANNEL)	  | \
+	 (1 << ADC_AUX2_VOLTAGE_CHANNEL))
 
 /* HW has to large of R termination on ADC todo:change when HW value is chosen */
 #define BOARD_ADC_OPEN_CIRCUIT_V     (5.6f)
 
 /* CAN Silence: Silent mode control */
-#define GPIO_CAN1_SILENT_S0  /* PF5  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN5)
-#define GPIO_CAN2_SILENT_S0  /* PF5  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN5)
+#define GPIO_CAN1_SILENT_S0  /* PF11  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN11)
+#define GPIO_CAN2_SILENT_S0  /* PF12  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN12)
 
 /* PWM */
 #define DIRECT_PWM_OUTPUT_CHANNELS  12
 
 /* Power supply control and monitoring GPIOs */
-#define GPIO_nPOWER_IN_A                /* PB5 */ (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTB|GPIO_PIN5)
+#define GPIO_nPOWER_IN_A                /* PC1 */ (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTC|GPIO_PIN1)
 
 #define GPIO_VDD_BRICK1_VALID          GPIO_nPOWER_IN_A /* Brick 1 Is Chosen */
 #define BOARD_NUMBER_BRICKS             1
 
 #define GPIO_VDD_3V3_SPEKTRUM_POWER_EN  /* PE4  */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTE|GPIO_PIN4)
 
+#define GPIO_LEVEL_SHIFTER_OE /* PC13 */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN13)
+
 /* Define True logic Power Control in arch agnostic form */
 #define VDD_3V3_SPEKTRUM_POWER_EN(on_true) px4_arch_gpiowrite(GPIO_VDD_3V3_SPEKTRUM_POWER_EN, (!on_true))
 #define READ_VDD_3V3_SPEKTRUM_POWER_EN()   (px4_arch_gpioread(GPIO_VDD_3V3_SPEKTRUM_POWER_EN) == 0)
 
 /* Tone alarm output */
-#define TONE_ALARM_TIMER        2  /* timer 2 */
-#define TONE_ALARM_CHANNEL      1  /* PA15 TIM2_CH1 */
+#define TONE_ALARM_TIMER        16  /* timer 16 */
+#define TONE_ALARM_CHANNEL      1  /* PF6 TIM16_CH1 */
 
-#define GPIO_BUZZER_1           /* PA15 */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN15)
+#define GPIO_BUZZER_1           /* PF6 */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN6)
 
 #define GPIO_TONE_ALARM_IDLE    GPIO_BUZZER_1
-#define GPIO_TONE_ALARM         GPIO_TIM2_CH1OUT_2
+#define GPIO_TONE_ALARM         GPIO_TIM16_CH1OUT_2
 
 /* USB OTG FS */
 #define GPIO_OTGFS_VBUS         /* PA9 */ (GPIO_INPUT|GPIO_PULLDOWN|GPIO_SPEED_100MHz|GPIO_PORTA|GPIO_PIN9)
 
 /* High-resolution timer */
 #define HRT_TIMER               3  /* use timer3 for the HRT */
-#define HRT_TIMER_CHANNEL       1 /* use capture/compare channel 1 */
+#define HRT_TIMER_CHANNEL       2 /* use capture/compare channel 1 */
 
-#define HRT_PPM_CHANNEL         /* T3C3 */  3  /* use capture/compare channel 3 */
-#define GPIO_PPM_IN             /* PB0 T3C3 */ GPIO_TIM3_CH3IN_1
+#define HRT_PPM_CHANNEL         /* T3C2 */  2  /* use capture/compare channel 2 */
+#define GPIO_PPM_IN             /* PC7 T3C2 */ GPIO_TIM3_CH2IN_3
 
 /* RC Serial port */
-#define RC_SERIAL_PORT          "/dev/ttyS3"
+#define RC_SERIAL_PORT          "/dev/ttyS5"
 
-#define GPIO_RSSI_IN            /* PC1  */ (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTC|GPIO_PIN1)
+#define GPIO_RSSI_IN            /* PC0  */ (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTC|GPIO_PIN0)
 
 /* Safety Switch: Enable the FMU to control it if there is no px4io fixme:This should be BOARD_SAFETY_LED(__ontrue) */
-#define GPIO_SAFETY_SWITCH_IN              /* PC4 */ (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTC|GPIO_PIN4)
-/* Enable the FMU to use the switch it if there is no px4io fixme:This should be BOARD_SAFTY_BUTTON() */
+#define GPIO_SAFETY_SWITCH_IN              /* PA10 */ (GPIO_INPUT|GPIO_PULLUP|GPIO_PORTA|GPIO_PIN10)
+/* Enable the FMU to use the switch it if there is no px4io fixme:This should be BOARD_SAFETY_BUTTON() */
 #define GPIO_BTN_SAFETY GPIO_SAFETY_SWITCH_IN /* Enable the FMU to control it if there is no px4io */
 
+/* No PX4IO processor present */
+#define PX4_MFT_HW_SUPPORTED_PX4_MFT_PX4IO 0
+
 /* Power switch controls ******************************************************/
 #define SPEKTRUM_POWER(_on_true)           VDD_3V3_SPEKTRUM_POWER_EN(_on_true)
 
 /*
  * Board has a separate RC_IN
  *
- * GPIO PPM_IN on PB0 T3CH3
+ * GPIO PPM_IN on PC7 T3CH2
  * SPEKTRUM_RX (it's TX or RX in Bind) on UART6 PC7
  *   Inversion is possible in the UART and can drive GPIO_PPM_IN as an output
  */
-#define GPIO_PPM_IN_AS_OUT             (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN0)
+#define GPIO_PPM_IN_AS_OUT             (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN7)
 #define SPEKTRUM_RX_AS_GPIO_OUTPUT()   px4_arch_configgpio(GPIO_PPM_IN_AS_OUT)
 #define SPEKTRUM_RX_AS_UART()          /* Can be left as uart */
 #define SPEKTRUM_OUT(_one_true)        px4_arch_gpiowrite(GPIO_PPM_IN_AS_OUT, (_one_true))
@@ -156,7 +172,7 @@
 #define BOARD_HAS_STATIC_MANIFEST 1
 
 
-#define BOARD_NUM_IO_TIMERS 5
+#define BOARD_NUM_IO_TIMERS 6
 
 
 #define BOARD_ENABLE_CONSOLE_BUFFER
@@ -171,9 +187,12 @@
 		GPIO_CAN2_SILENT_S0,              \
 		GPIO_nPOWER_IN_A,                 \
 		GPIO_VDD_3V3_SPEKTRUM_POWER_EN,   \
+		GPIO_LEVEL_SHIFTER_OE, 		  \
 		GPIO_TONE_ALARM_IDLE,             \
 		GPIO_SAFETY_SWITCH_IN,            \
 		GPIO_OTGFS_VBUS,                  \
+		GPIO_BTN_SAFETY,                  \
+		GPIO_LED_SAFETY,                  \
 	}
 
 __BEGIN_DECLS

diff --git a/boards/mro/ctrl-zero-classic/src/i2c.cpp b/boards/mro/ctrl-zero-classic/src/i2c.cpp
@@ -35,6 +35,5 @@
 
 constexpr px4_i2c_bus_t px4_i2c_buses[I2C_BUS_MAX_BUS_ITEMS] = {
 	initI2CBusExternal(1),
-	initI2CBusExternal(3),
 	initI2CBusExternal(4),
 };
diff --git a/boards/mro/ctrl-zero-classic/src/spi.cpp b/boards/mro/ctrl-zero-classic/src/spi.cpp
@@ -37,7 +37,7 @@
 
 constexpr px4_spi_bus_t px4_spi_buses[SPI_BUS_MAX_BUS_ITEMS] = {
 	initSPIBus(SPI::Bus::SPI1, {
-		initSPIDevice(DRV_IMU_DEVTYPE_ICM20602, SPI::CS{GPIO::PortC, GPIO::Pin2}, SPI::DRDY{GPIO::PortD, GPIO::Pin15}),
+		initSPIDevice(DRV_IMU_DEVTYPE_ICM20602, SPI::CS{GPIO::PortG, GPIO::Pin3}, SPI::DRDY{GPIO::PortG, GPIO::Pin2}),
 		initSPIDevice(DRV_IMU_DEVTYPE_ICM20948, SPI::CS{GPIO::PortE, GPIO::Pin15}, SPI::DRDY{GPIO::PortE, GPIO::Pin12}),
 	}, {GPIO::PortE, GPIO::Pin3}),
 	initSPIBus(SPI::Bus::SPI2, {
@@ -46,7 +46,10 @@ constexpr px4_spi_bus_t px4_spi_buses[SPI_BUS_MAX_BUS_ITEMS] = {
 	}),
 	initSPIBus(SPI::Bus::SPI5, {
 		initSPIDevice(DRV_GYR_DEVTYPE_BMI088, SPI::CS{GPIO::PortF, GPIO::Pin10}, SPI::DRDY{GPIO::PortF, GPIO::Pin3}),
-		initSPIDevice(DRV_ACC_DEVTYPE_BMI088, SPI::CS{GPIO::PortF, GPIO::Pin6}, SPI::DRDY{GPIO::PortF, GPIO::Pin1}),
+		initSPIDevice(DRV_ACC_DEVTYPE_BMI088, SPI::CS{GPIO::PortF, GPIO::Pin0}, SPI::DRDY{GPIO::PortF, GPIO::Pin1}),
+	}),
+	initSPIBusExternal(SPI::Bus::SPI6, {
+		initSPIConfigExternal(SPI::CS{GPIO::PortG, GPIO::Pin9}),
 	}),
 };
 

diff --git a/boards/mro/ctrl-zero-classic/src/timer_config.cpp b/boards/mro/ctrl-zero-classic/src/timer_config.cpp
@@ -33,6 +33,28 @@
 
 #include <px4_arch/io_timer_hw_description.h>
 
+/* Timer allocation
+ *
+ * TIM1_CH4	T FMU_CH1
+ * TIM1_CH3	T FMU_CH2
+ * TIM1_CH2	T FMU_CH3
+ * TIM1_CH1	T FMU_CH4
+ *
+ * TIM4_CH2	T FMU_CH5
+ * TIM4_CH3	T FMU_CH6
+ * TIM2_CH3	T FMU_CH7
+ * TIM2_CH1	T FMU_CH8
+ *
+ * TIM2_CH4	T FMU_CH9
+ * TIM15_CH1	T FMU_CH10
+ *
+ * TIM8_CH1	T FMU_CH11
+ *
+ * TIM4_CH4	T FMU_CH12
+ *
+ * TIM16_CH1	T BUZZER	- Driven by other driver
+ */
+
 constexpr io_timers_t io_timers[MAX_IO_TIMERS] = {
 	initIOTimer(Timer::Timer1, DMA{DMA::Index1}),
 	initIOTimer(Timer::Timer4, DMA{DMA::Index1}),