Added SKYZONEF405 target.

docs/boards/Board - SKYF405.md

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+# SKYF405
+
+## Description
+
+The SKYF405 has been designed as a versatile flight controller, to allow efficient control of craft with 4, 6 or 8 motors.
+
+It is available in 2 variants:
+
+### SKYF405\_STD
+
+Standard 30 * 30 mm size
+
+![SKYF405\_STD top](images/skyf405_std_front.jpg)
+![SKYF405\_STD bottom](images/skyf405_std_back.jpg)
+
+### SKYF405\_PDB
+
+30 x 30 mm 'extended corners' design with integrated PDB / current sensing shunt.
+
+![SKYF405\_PDB top](images/skyf405_pdb_front.jpg)
+![SKYF405\_PDB bottom](images/skyf405_pdb_back.jpg)
+
+
+## Hardware
+
+Type|Description
+---|---
+MCU|STM32F405
+IMU|ICM-20689
+IMU Interrupt|yes
+Motor outputs|up to 8
+Barometer|optional
+Magnetometer|optional
+VCP (supporting joystick emulation)|yes
+Hardware serial|5 (1 with inverter for SBus)
+Software serial|2
+OSD|yes
+Blackbox|16 MB onboard flash
+PPM in|yes
+Camera control output|yes
+LED strip (WS2811) output|yes
+Battery voltage sensor|yes
+Current sensor|yes (SKYF405\_PDB only)
+Integrated voltage regulator|yes
+Buttons|boot
+LEDs|power, activity
+
+## Features
+
+Plenty of connectivity options, including 5 UARTs, most of them with through-hole solder points, minimising the risk of ripped off solder pads.
+
+ESC signal / telemetry solder points next to the corners for motors 1 - 4 (SKYF405\_PDB only).
+
+
+## Manufacturers and Distributors
+
+skyzone Hobbies
+
+
+## Designers
+
+skyzone Hobbies
+
+
+## Maintainers
+
+[Daniel Zhou](mailto:daniel@skyzonehobbies.com)

src/main/target/SKYF405/target.c

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+/*
+ * This file is part of Cleanflight and Betaflight.
+ *
+ * Cleanflight and Betaflight are free software. You can redistribute
+ * this software and/or modify this software under the terms of the
+ * GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Cleanflight and Betaflight are distributed in the hope that they
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software.
+ *
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdint.h>
+
+#include <platform.h>
+#include "drivers/io.h"
+
+#include "drivers/dma.h"
+#include "drivers/timer.h"
+#include "drivers/timer_def.h"
+
+const timerHardware_t timerHardware[USABLE_TIMER_CHANNEL_COUNT] = {
+    DEF_TIM(TIM12, CH2, PB15, TIM_USE_PPM,   0, 0), // PPM
+
+    DEF_TIM(TIM3,  CH3, PB0,  TIM_USE_MOTOR, 0, 0), // S1 (1,7)
+    DEF_TIM(TIM3,  CH4, PB1,  TIM_USE_MOTOR, 0, 0), // S2 (2,2)
+    DEF_TIM(TIM3,  CH2, PC7,  TIM_USE_MOTOR, 0, 0), // S3 (2,4)  (2.2)
+    DEF_TIM(TIM3,  CH1, PB4,  TIM_USE_MOTOR, 0, 0), // S4 (2,7)
+    DEF_TIM(TIM8,  CH3, PC8,  TIM_USE_MOTOR, 0, 0), // S5 (1,2)
+    DEF_TIM(TIM8,  CH4, PC9,  TIM_USE_MOTOR, 0, 0), // S6 (1,5)
+    DEF_TIM(TIM8,  CH1, PC6,  TIM_USE_MOTOR, 0, 0), // S7 (2,6)
+    DEF_TIM(TIM1,  CH1, PA8,  TIM_USE_MOTOR, 0, 1), // S8 (2,1)  (2.3 2.6)
+
+    DEF_TIM(TIM4,  CH1, PB6,  TIM_USE_LED,   0, 0), // LED STRIP(1,0)
+
+    DEF_TIM(TIM2,  CH2, PB3,  TIM_USE_PWM,   0, 0), // FC CAM
+};

src/main/target/SKYF405/target.h

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+/*
+ * This file is part of Cleanflight and Betaflight.
+ *
+ * Cleanflight and Betaflight are free software. You can redistribute
+ * this software and/or modify this software under the terms of the
+ * GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Cleanflight and Betaflight are distributed in the hope that they
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software.
+ *
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#define TARGET_BOARD_IDENTIFIER "SKF4"
+
+#define USBD_PRODUCT_STRING     "skyzone SKY F405"
+
+#define ENABLE_DSHOT_DMAR       true
+
+#define LED0_PIN                PC14
+
+#define USE_BEEPER
+#define BEEPER_PIN              PC13
+#define BEEPER_INVERTED
+
+#define CAMERA_CONTROL_PIN      PB3
+
+#define USE_SPI
+#define USE_SPI_DEVICE_1
+
+#define SPI1_SCK_PIN            PA5
+#define SPI1_MISO_PIN           PA6
+#define SPI1_MOSI_PIN           PA7
+
+#define USE_EXTI
+#define MPU_INT_EXTI            PC4
+#define USE_MPU_DATA_READY_SIGNAL
+
+#define USE_GYRO
+#define USE_ACC
+#define ICM20689_CS_PIN          PA4
+#define ICM20689_SPI_INSTANCE    SPI1
+
+#define USE_GYRO_SPI_ICM20689
+#define GYRO_ICM20689_ALIGN      CW90_DEG
+
+#define USE_ACC_SPI_ICM20689
+#define ACC_ICM20689_ALIGN       CW90_DEG
+
+#define USE_I2C
+#define USE_I2C_DEVICE_1
+#define I2C_DEVICE              (I2CDEV_1)
+#define I2C1_SCL                PB8
+#define I2C1_SDA                PB9
+
+#define USE_BARO
+#define BARO_I2C_INSTANCE       (I2CDEV_1)
+#define USE_BARO_BMP085
+#define USE_BARO_BMP280
+#define USE_BARO_MS5611
+
+#define USE_MAG
+#define MAG_I2C_INSTANCE        (I2CDEV_1) 
+#define USE_MAG_HMC5883
+
+#define USE_SPI_DEVICE_2
+#define SPI2_SCK_PIN            PB13
+#define SPI2_MISO_PIN           PB14
+#define SPI2_MOSI_PIN           PC3
+
+#define ENABLE_BLACKBOX_LOGGING_ON_SPIFLASH_BY_DEFAULT
+#define USE_FLASHFS
+#define USE_FLASH_M25P16
+#define FLASH_CS_PIN           PB12
+#define FLASH_SPI_INSTANCE     SPI2
+
+#define USE_SPI_DEVICE_3
+#define SPI3_SCK_PIN            PC10
+#define SPI3_MISO_PIN           PC11
+#define SPI3_MOSI_PIN           PB5
+
+#define USE_OSD
+#define USE_MAX7456
+#define MAX7456_SPI_INSTANCE    SPI3
+#define MAX7456_SPI_CS_PIN      PA15
+
+#define USE_VCP
+
+#define USE_UART1
+#define UART1_RX_PIN            PA10
+#define UART1_TX_PIN            PA9
+
+#define USE_UART2
+#define UART2_RX_PIN            PA3
+#define UART2_TX_PIN            PA2
+
+#define USE_UART3
+#define UART3_RX_PIN            PB11
+#define UART3_TX_PIN            PB10
+
+#define USE_UART4
+#define UART4_RX_PIN            PA1
+#define UART4_TX_PIN            PA0
+
+#define USE_UART5
+#define UART5_RX_PIN            PD2
+#define UART5_TX_PIN            PC12
+
+#define USE_SOFTSERIAL1
+#define USE_SOFTSERIAL2
+
+#define SERIAL_PORT_COUNT       8
+
+#define DEFAULT_RX_FEATURE      FEATURE_RX_SERIAL
+#define SERIALRX_PROVIDER       SERIALRX_SBUS
+#define SERIALRX_UART           SERIAL_PORT_USART2
+#define SBUS_TELEMETRY_UART     SERIAL_PORT_USART3
+
+#define USE_ADC
+#define ADC1_DMA_STREAM         DMA2_Stream0
+#define VBAT_ADC_PIN            PC2
+#define CURRENT_METER_ADC_PIN   PC1
+#define RSSI_ADC_PIN            PA0
+
+#define DEFAULT_VOLTAGE_METER_SOURCE    VOLTAGE_METER_ADC
+#define DEFAULT_CURRENT_METER_SOURCE    CURRENT_METER_ADC
+
+#define DEFAULT_FEATURES        ( FEATURE_TELEMETRY | FEATURE_OSD )
+
+#define USE_ESCSERIAL
+#define ESCSERIAL_TIMER_TX_PIN PA3
+#define USE_SERIAL_4WAY_BLHELI_INTERFACE
+
+#define TARGET_IO_PORTA         0xffff
+#define TARGET_IO_PORTB         0xffff
+#define TARGET_IO_PORTC         0xffff
+#define TARGET_IO_PORTD         (BIT(2))
+
+#define USABLE_TIMER_CHANNEL_COUNT 11
+#define USED_TIMERS             (TIM_N(1)|TIM_N(2)|TIM_N(3)|TIM_N(4)|TIM_N(8)|TIM_N(12))

src/main/target/SKYF405/target.mk

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+F405_TARGETS   += $(TARGET)
+
+FEATURES       += VCP ONBOARDFLASH
+
+TARGET_SRC = \
+            drivers/accgyro/accgyro_spi_icm20689.c \
+            drivers/barometer/barometer_bmp085.c \
+            drivers/barometer/barometer_bmp280.c \
+            drivers/barometer/barometer_ms5611.c \
+            drivers/compass/compass_hmc5883l.c \
+            drivers/max7456.c