Add NEUTRONRCF435 support including AT32F435RGT7 1M FLASH

make/mcu/AT32F4.mk

@@ -39,7 +39,11 @@ INCLUDE_DIRS    := $(INCLUDE_DIRS) \
                    $(MIDDLEWARES_DIR)/usbd_class/msc \
                    $(VCP_INCLUDES)
 
-LD_SCRIPT       = $(LINKER_DIR)/at32_flash_f43xM.ld
+ifeq ($(TARGET),AT32F435M)
+LD_SCRIPT       = $(LINKER_DIR)/at32_flash_f43xm.ld
+else
+LD_SCRIPT       = $(LINKER_DIR)/at32_flash_f43xg.ld
+endif
 
 ARCH_FLAGS      = -std=c99  -mthumb -mcpu=cortex-m4 -march=armv7e-m -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -Wdouble-promotion
 DEVICE_FLAGS   += -DUSE_ATBSP_DRIVER -DAT32F43x -DHSE_VALUE=$(HSE_VALUE) -DAT32 -DUSE_OTG_HOST_MODE

src/config/ATSTARTF435/config.h

@@ -19,7 +19,7 @@
  * If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define FC_TARGET_MCU     AT32F435
+#define FC_TARGET_MCU     AT32F435M
 
 #define BOARD_NAME        ATSTARTF435
 #define MANUFACTURER_ID   AT

src/config/NEUTRONRCF435/config.h

@@ -0,0 +1,67 @@
+/*
+ * This file is part of Betaflight.
+ *
+ * Betaflight is 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.
+ *
+ * Betaflight is distributed in the hope that it 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/>.
+ */
+
+#define FC_TARGET_MCU     AT32F435G
+
+#define BOARD_NAME        NEUTRONRCF435
+#define MANUFACTURER_ID   NERC
+
+#define LED0_PIN             PC4
+
+#define USE_GYRO
+#define USE_ACC
+#define USE_ACCGYRO_BMI270
+#define GYRO_1_CS_PIN        PA15
+#define GYRO_1_SPI_INSTANCE  SPI1
+#define GYRO_1_ALIGN         CW270_DEG
+
+// MPU6000 interrupts
+#define USE_EXTI
+#define USE_GYRO_EXTI
+#define GYRO_1_EXTI_PIN      PB8
+
+#define SPI1_SCK_PIN         PA5
+#define SPI2_SCK_PIN         PB13
+#define SPI3_SCK_PIN         PB3
+#define SPI1_SDI_PIN         PA6
+#define SPI2_SDI_PIN         PB14
+#define SPI3_SDI_PIN         PB4
+#define SPI1_SDO_PIN         PA7
+#define SPI2_SDO_PIN         PB15
+#define SPI3_SDO_PIN         PB5
+
+#define USE_FLASH
+#define USE_FLASH_W25Q128FV
+#define FLASH_CS_PIN         PB9
+#define FLASH_SPI_INSTANCE   SPI3
+
+#define I2C2_SCL_PIN         PB10
+#define I2C2_SDA_PIN         PB11
+
+#define BARO_I2C_INSTANCE    I2CDEV_2
+#define USE_BARO
+#define USE_BARO_BMP280
+#define USE_BARO_DPS310
+
+#define USE_MAX7456
+#define MAX7456_SPI_INSTANCE SPI2
+#define MAX7456_SPI_CS_PIN   PB12
+

src/config/REVO_AT/config.h

@@ -19,7 +19,7 @@
  * If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define FC_TARGET_MCU     AT32F435
+#define FC_TARGET_MCU     AT32F435M
 
 // REVO with STM32F405 swapped for an AT32F435
 

src/link/at32_flash_f43xg.ld

@@ -0,0 +1,41 @@
+/*
+*****************************************************************************
+**
+**  File        : at32_flash_f43xG.ld
+**
+**  Abstract    : Linker script for AT32F435/7xG Device with
+**                1024KByte FLASH, 384KByte RAM
+**
+**                Set heap size, stack size and stack location according
+**                to application requirements.
+**
+**                Set memory bank area and size if external memory is used.
+**
+**  Target      : Artery Tek AT32
+**
+**  Environment : Arm gcc toolchain
+**
+*****************************************************************************
+*/
+
+/*
+    FLASH : 0x0800 0000 -- 0x083E FFFF
+    MEM   : 0x2000 0000 -- 0x2007 FFFF
+*/
+
+MEMORY
+{
+    FLASH (rx)         : ORIGIN = 0x08000000, LENGTH = 16K
+    FLASH_CONFIG (r)   : ORIGIN = 0x08004000, LENGTH = 16K
+    FLASH1 (rx)        : ORIGIN = 0x08008000, LENGTH = 992K
+    SYSTEM_MEMORY (rx) : ORIGIN = 0x1FFF0000, LENGTH = 16K
+    RAM (xrw)          : ORIGIN = 0x20000000, LENGTH = 192K
+    MEMORY_B1 (rx)     : ORIGIN = 0x60000000, LENGTH = 0K /* external ram */
+}
+
+REGION_ALIAS("STACKRAM", RAM)
+REGION_ALIAS("VECTAB", RAM)
+
+REGION_ALIAS("MOVABLE_FLASH", FLASH1)
+
+INCLUDE "at32_flash_f4_split.ld"

src/link/at32_flash_f4_split.ld

@@ -3,7 +3,7 @@
 **
 **  File        : at32_flash_f4_split.ld
 **
-**  Abstract    : Common linker script for STM32 devices.
+**  Abstract    : Common linker script for AT32 devices.
 **
 *****************************************************************************
 */

src/main/config/config_streamer.c

@@ -513,7 +513,7 @@ int config_streamer_flush(config_streamer_t *c)
         c->err = write_word(c, &c->buffer.w);
         c->at = 0;
     }
-    return c-> err;
+    return c->err;
 }
 
 int config_streamer_finish(config_streamer_t *c)

src/main/drivers/at32/platform_mcu.h

@@ -20,7 +20,7 @@
 
 #pragma once
 
-#if defined(AT32F435ZMT7)
+#if defined(AT32F435)
 
 #include "at32f435_437.h"
 #include "at32f435_437_i2c.h"

src/main/target/AT32F435G/target.h

@@ -0,0 +1,96 @@
+/*
+ * 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 "A435"
+
+#define USBD_PRODUCT_STRING     "Betaflight AT32F435"
+
+#ifndef AT32F435
+#define AT32F435
+#endif
+
+#ifdef DEBUG
+// Development aid - invalid inputs or other failures are tested and will sit in a while(true) loop
+// so that you can go straight to the problem with the debugger
+#define HANG_ON_ERRORS
+#endif
+
+#define USE_VIRTUAL_GYRO
+
+#define USE_UART1
+#define USE_UART2
+#define USE_UART3
+#define SERIAL_PORT_COUNT       (UNIFIED_SERIAL_PORT_COUNT + 3)
+
+#define TARGET_IO_PORTA         0xffff
+#define TARGET_IO_PORTB         0xffff
+#define TARGET_IO_PORTC         0xffff
+#define TARGET_IO_PORTD         0xffff
+
+#define USE_SPI
+#define USE_SPI_DEVICE_1
+#define USE_SPI_DEVICE_2
+#define USE_SPI_DEVICE_3
+#define USE_SPI_DMA_ENABLE_LATE
+
+#define USE_EXTI
+#define USE_GYRO_EXTI
+
+
+#define USE_I2C
+#define USE_I2C_DEVICE_1
+#define USE_I2C_DEVICE_2
+#define USE_I2C_DEVICE_3
+
+#define USE_USB_DETECT
+#define USE_PERSISTENT_MSC_RTC
+#define USE_VCP
+
+#define UNIFIED_SERIAL_PORT_COUNT       1
+
+#define USE_ADC
+
+#define USE_PWM_OUTPUT
+
+// Remove these undefines as support is added
+//#undef USE_BEEPER
+#undef USE_LED_STRIP
+#undef USE_TRANSPONDER
+
+// #undef USE_DSHOT
+// #undef USE_DSHOT_TELEMETRY
+// bitbang not implemented yet
+#undef USE_DSHOT_BITBANG
+// burst mode not implemented yet
+#undef USE_DSHOT_DMAR
+
+
+#undef USE_CAMERA_CONTROL
+#undef USE_RX_PPM
+#undef USE_RX_PWM
+#undef USE_RX_SPI
+#undef USE_RX_CC2500
+#undef USE_RX_EXPRESSLRS
+// #undef USE_SERIAL_4WAY_BLHELI_BOOTLOADER
+#undef USE_SERIAL_4WAY_SK_BOOTLOADER
+
+#define FLASH_PAGE_SIZE ((uint32_t)0x0800) // 2K sectors

src/main/target/AT32F435G/target.mk

@@ -0,0 +1,5 @@
+TARGET_MCU        := AT32F435
+MCU_FLASH_SIZE    := 1024
+DEVICE_FLAGS       = -D$(TARGET_MCU) -DAT32F435RGT7
+TARGET_MCU_FAMILY := AT32F4
+#error

src/main/target/AT32F435M/target.mk

@@ -0,0 +1,4 @@
+TARGET_MCU        := AT32F435
+MCU_FLASH_SIZE    := 4096
+DEVICE_FLAGS       = -D$(TARGET_MCU) -DAT32F435ZMT7
+TARGET_MCU_FAMILY := AT32F4

src/main/target/common_post.h

@@ -359,7 +359,7 @@
 #define USE_I2C_GYRO
 #endif
 
-#if defined(USE_GYRO_SPI_ICM20689) || defined(USE_GYRO_SPI_MPU6000) || defined(USE_GYRO_SPI_MPU6500) || defined(USE_GYRO_SPI_MPU9250) || defined(USE_GYRO_L3GD20) || defined(USE_GYRO_SPI_ICM42605) || defined(USE_GYRO_SPI_ICM42688P) || defined(USE_ACCGYRO_BMI270)
+#if defined(USE_GYRO_SPI_ICM20689) || defined(USE_GYRO_SPI_MPU6000) || defined(USE_GYRO_SPI_MPU6500) || defined(USE_GYRO_SPI_MPU9250) || defined(USE_GYRO_L3GD20) || defined(USE_GYRO_SPI_ICM42605) || defined(USE_GYRO_SPI_ICM42688P) || defined(USE_ACCGYRO_BMI160) || defined(USE_ACCGYRO_BMI270)
 #define USE_SPI_GYRO
 #endif