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Add USB MSC support to AT32 (#12481)

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This commit is contained in:
Steve Evans 2023-03-15 03:29:38 +00:00 • committed by GitHub
parent c14ef06c29
commit 6ff80a471a
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GPG key ID: 4AEE18F83AFDEB23
21 changed files with 330 additions and 65 deletions
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20
lib/main/AT32F43x/middlewares/usbd_class/msc/msc_bot_scsi.c
View file

@ -144,6 +144,7 @@ void bot_scsi_reset(void *udev)
*/
void bot_scsi_datain_handler(void *udev, uint8_t ept_num)
{
UNUSED(ept_num);
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_type *pmsc = (msc_type *)pudev->class_handler->pdata;
switch(pmsc->msc_state)
@ -173,6 +174,7 @@ void bot_scsi_datain_handler(void *udev, uint8_t ept_num)
*/
void bot_scsi_dataout_handler(void *udev, uint8_t ept_num)
{
UNUSED(ept_num);
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_type *pmsc = (msc_type *)pudev->class_handler->pdata;
switch(pmsc->msc_state)
@ -289,6 +291,7 @@ void bot_scsi_send_csw(void *udev, uint8_t status)
*/
void bot_scsi_sense_code(void *udev, uint8_t sense_key, uint8_t asc)
{
UNUSED(udev);
sense_data.sense_key = sense_key;
sense_data.asc = asc;
}
@ -347,6 +350,8 @@ void bot_scsi_stall(void *udev)
*/
usb_sts_type bot_scsi_test_unit(void *udev, uint8_t lun)
{
UNUSED(udev);
UNUSED(lun);
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_type *pmsc = (msc_type *)pudev->class_handler->pdata;
@ -410,6 +415,7 @@ usb_sts_type bot_scsi_inquiry(void *udev, uint8_t lun)
*/
usb_sts_type bot_scsi_start_stop(void *udev, uint8_t lun)
{
UNUSED(lun);
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_type *pmsc = (msc_type *)pudev->class_handler->pdata;
pmsc->data_len = 0;
@ -424,6 +430,7 @@ usb_sts_type bot_scsi_start_stop(void *udev, uint8_t lun)
*/
usb_sts_type bot_scsi_allow_medium_removal(void *udev, uint8_t lun)
{
UNUSED(lun);
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_type *pmsc = (msc_type *)pudev->class_handler->pdata;
pmsc->data_len = 0;
@ -438,6 +445,7 @@ usb_sts_type bot_scsi_allow_medium_removal(void *udev, uint8_t lun)
*/
usb_sts_type bot_scsi_mode_sense6(void *udev, uint8_t lun)
{
UNUSED(lun);
uint8_t data_len = 8;
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_type *pmsc = (msc_type *)pudev->class_handler->pdata;
@ -447,6 +455,12 @@ usb_sts_type bot_scsi_mode_sense6(void *udev, uint8_t lun)
data_len --;
pmsc->data[data_len] = mode_sense6_data[data_len];
};
// set bit 7 of the device configuration byte to indicate write protection
if (msc_get_readonly(lun)) {
pmsc->data[2] |= 1 << 7;
}
return USB_OK;
}
@ -458,6 +472,7 @@ usb_sts_type bot_scsi_mode_sense6(void *udev, uint8_t lun)
*/
usb_sts_type bot_scsi_mode_sense10(void *udev, uint8_t lun)
{
UNUSED(lun);
uint8_t data_len = 8;
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_type *pmsc = (msc_type *)pudev->class_handler->pdata;
@ -540,6 +555,7 @@ usb_sts_type bot_scsi_format_capacity(void *udev, uint8_t lun)
*/
usb_sts_type bot_scsi_request_sense(void *udev, uint8_t lun)
{
UNUSED(lun);
uint32_t trans_len = 0x12;
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_type *pmsc = (msc_type *)pudev->class_handler->pdata;
@ -633,7 +649,7 @@ usb_sts_type bot_scsi_read10(void *udev, uint8_t lun)
pmsc->data_len = MSC_MAX_DATA_BUF_LEN;
len = MIN(pmsc->blk_len, MSC_MAX_DATA_BUF_LEN);
if( msc_disk_read(lun, pmsc->blk_addr, pmsc->data, len) != USB_OK)
if( msc_disk_read(lun, pmsc->blk_addr / pmsc->blk_size[lun], pmsc->data, len / pmsc->blk_size[lun]) != USB_OK)
{
bot_scsi_sense_code(udev, SENSE_KEY_HARDWARE_ERROR, MEDIUM_NOT_PRESENT);
return USB_FAIL;
@ -698,7 +714,7 @@ usb_sts_type bot_scsi_write10(void *udev, uint8_t lun)
else
{
len = MIN(pmsc->blk_len, MSC_MAX_DATA_BUF_LEN);
if(msc_disk_write(lun, pmsc->blk_addr, pmsc->data, len) != USB_OK)
if(msc_disk_write(lun, pmsc->blk_addr / pmsc->blk_size[lun], pmsc->data, len / pmsc->blk_size[lun]) != USB_OK)
{
bot_scsi_sense_code(udev, SENSE_KEY_HARDWARE_ERROR, MEDIUM_NOT_PRESENT);
return USB_FAIL;

7
lib/main/AT32F43x/middlewares/usbd_class/msc/msc_class.c
View file

@ -23,7 +23,7 @@
*/
#include "usbd_core.h"
#include "msc_class.h"
#include "msc_desc.h"
#include <msc_desc.h>
#include "msc_bot_scsi.h"
/** @addtogroup AT32F435_437_middlewares_usbd_class
@ -183,6 +183,7 @@ static usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup)
*/
static usb_sts_type class_ept0_tx_handler(void *udev)
{
UNUSED(udev);
usb_sts_type status = USB_OK;
/* ...user code... */
@ -199,7 +200,7 @@ static usb_sts_type class_ept0_rx_handler(void *udev)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
uint32_t recv_len = usbd_get_recv_len(pudev, 0);
usbd_get_recv_len(pudev, 0);
/* ...user code... */
return status;
}
@ -240,6 +241,7 @@ static usb_sts_type class_out_handler(void *udev, uint8_t ept_num)
*/
static usb_sts_type class_sof_handler(void *udev)
{
UNUSED(udev);
usb_sts_type status = USB_OK;
/* ...user code... */
@ -255,6 +257,7 @@ static usb_sts_type class_sof_handler(void *udev)
*/
static usb_sts_type class_event_handler(void *udev, usbd_event_type event)
{
UNUSED(udev);
usb_sts_type status = USB_OK;
switch(event)
{

2
lib/main/AT32F43x/middlewares/usbd_class/msc/msc_desc.c
View file

@ -25,7 +25,7 @@
#include "usb_std.h"
#include "usbd_sdr.h"
#include "usbd_core.h"
#include "msc_desc.h"
#include <msc_desc.h>
/** @addtogroup AT32F435_437_middlewares_usbd_class
* @{

58
make/mcu/AT32F4.mk
View file

@ -2,5 +2,61 @@
# AT32F4 Make file include
#
CMSIS_DIR := $(ROOT)/lib/main/AT32F43x/cmsis
STDPERIPH_DIR = $(ROOT)/lib/main/AT32F43x/drivers
MIDDLEWARES_DIR = $(ROOT)/lib/main/AT32F43x/middlewares
STDPERIPH_SRC = $(wildcard $(STDPERIPH_DIR)/src/*.c) \
$(wildcard $(MIDDLEWARES_DIR)/usb_drivers/src/*.c) \
$(wildcard $(MIDDLEWARES_DIR)/usbd_class/msc/*.c)
EXCLUDES = at32f435_437_dvp.c \
at32f435_437_can.c \
at32f435_437_xmc.c \
at32f435_437_emac
STARTUP_SRC = at32/startup_at32f435_437.s
STDPERIPH_SRC := $(filter-out ${EXCLUDES}, $(STDPERIPH_SRC))
VPATH := $(VPATH):$(ROOT)/lib/main/AT32F43x/cmsis/cm4/core_support:$(STDPERIPH_DIR)/src:$(STDPERIPH_DIR)/inc:$(SRC_DIR)/startup/at32
VCP_SRC = $(wildcard $(ROOT)/lib/main/AT32F43x/middlewares/usbd_class/cdc/*.c) \
drivers/usb_io.c
VCP_INCLUDES = $(ROOT)/lib/main/AT32F43x/middlewares/usb_drivers/inc \
$(ROOT)/lib/main/AT32F43x/middlewares/usbd_class/cdc
DEVICE_STDPERIPH_SRC = $(STDPERIPH_SRC)
INCLUDE_DIRS := $(INCLUDE_DIRS) \
$(ROOT)/src/main/drivers/at32
$(SRC_DIR)/startup/at32 \
$(SRC_DIR)/drivers \
$(SRC_DIR)/drivers/at32 \
$(STDPERIPH_DIR)/inc \
$(CMSIS_DIR)/cm4/core_support \
$(CMSIS_DIR)/cm4 \
$(MIDDLEWARES_DIR)/i2c_application_library \
$(MIDDLEWARES_DIR)/usbd_class/msc \
$(VCP_INCLUDES)
LD_SCRIPT = $(LINKER_DIR)/at32_flash_f43xM.ld
ARCH_FLAGS = -std=c99 -mthumb -mcpu=cortex-m4 -march=armv7e-m -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -Wdouble-promotion
DEVICE_FLAGS += -DUSE_ATBSP_DRIVER -DAT32F43x -DHSE_VALUE=$(HSE_VALUE) -DAT32 -DUSE_OTG_HOST_MODE
MCU_COMMON_SRC = \
$(addprefix startup/at32/,$(notdir $(wildcard $(SRC_DIR)/startup/at32/*.c))) \
$(addprefix drivers/at32/,$(notdir $(wildcard $(SRC_DIR)/drivers/at32/*.c))) \
drivers/accgyro/accgyro_mpu.c \
drivers/dshot_bitbang_decode.c \
drivers/inverter.c \
drivers/pwm_output_dshot_shared.c \
$(MIDDLEWARES_DIR)/i2c_application_library/i2c_application.c \
drivers/bus_i2c_timing.c \
drivers/usb_msc_common.c \
msc/usbd_storage.c \
msc/usbd_storage_emfat.c \
msc/emfat.c \
msc/emfat_file.c
MCU_EXCLUDES =

2
make/mcu/STM32F4.mk
View file

@ -180,6 +180,7 @@ MCU_COMMON_SRC = \
drivers/stm32/timer_stdperiph.c \
drivers/stm32/timer_stm32f4xx.c \
drivers/stm32/transponder_ir_io_stdperiph.c \
drivers/stm32/usbd_msc_desc.c \
startup/system_stm32f4xx.c
ifeq ($(PERIPH_DRIVER), HAL)
@ -204,7 +205,6 @@ endif
MSC_SRC = \
drivers/usb_msc_common.c \
drivers/stm32/usb_msc_f4xx.c \
msc/usbd_msc_desc.c \
msc/usbd_storage.c \
msc/usbd_storage_emfat.c \
msc/emfat.c \

22
src/config/REVO_AT/config.h
View file

@ -26,7 +26,8 @@
#define BOARD_NAME REVO_AT
#define MANUFACTURER_ID OPEN
#define LED0_PIN PB5
#define LED0_PIN PB5
#define LED1_PIN PB4
#define USE_GYRO
#define USE_GYRO_SPI_MPU6000
@ -41,13 +42,12 @@
#define USE_GYRO_EXTI
#define GYRO_1_EXTI_PIN PC4
#define SPI1_SCK_PIN PA5
#define SPI1_SDI_PIN PA6
#define SPI1_SDO_PIN PA7
#define SPI3_SCK_PIN PC10
#define SPI3_SDI_PIN PC11
#define SPI3_SDO_PIN PC12
#define SPI1_SCK_PIN PA5
#define SPI3_SCK_PIN PC10
#define SPI1_SDI_PIN PA6
#define SPI3_SDI_PIN PC11
#define SPI1_SDO_PIN PA7
#define SPI3_SDO_PIN PC12
#define USE_FLASH
#define USE_FLASH_M25P16
@ -60,8 +60,10 @@
#define I2C2_SCL_PIN PB10
#define I2C2_SDA_PIN PB11
#define MAG_I2C_INSTANCE I2CDEV_1
#define USE_MAG
#define MAG_I2C_INSTANCE I2C1
#define USE_MAG_HMC5883
#define BARO_I2C_INSTANCE I2CDEV_1
#define USE_BARO
#define BARO_I2C_INSTANCE I2C1
#define USE_BARO_MS5611

83
src/main/drivers/at32/msc_desc.h Normal file
View file

@ -0,0 +1,83 @@
/**
**************************************************************************
* @file msc_desc.h
* @brief usb msc descriptor header file
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __MSC_DESC_H
#define __MSC_DESC_H
#ifdef __cplusplus
extern "C" {
#endif
#include "msc_class.h"
#include "usbd_core.h"
/** @addtogroup AT32F435_437_middlewares_usbd_class
* @{
*/
/** @addtogroup USB_msc_desc
* @{
*/
/** @defgroup USB_msc_desc_definition
* @{
*/
#define MSC_BCD_NUM 0x0110
#define USBD_MSC_VENDOR_ID 0x2E3C
#define USBD_MSC_PRODUCT_ID 0x5720
#define USBD_MSC_CONFIG_DESC_SIZE 32
#define USBD_MSC_SIZ_STRING_LANGID 4
#define USBD_MSC_SIZ_STRING_SERIAL 0x1A
#define USBD_MSC_DESC_MANUFACTURER_STRING "Artery"
#define USBD_MSC_DESC_PRODUCT_STRING "Betaflight FC Mass Storage (FS Mode)"
#define USBD_MSC_DESC_CONFIGURATION_STRING "MSC Config"
#define USBD_MSC_DESC_INTERFACE_STRING "MSC Interface"
#define MCU_ID1 (0x1FFFF7E8)
#define MCU_ID2 (0x1FFFF7EC)
#define MCU_ID3 (0x1FFFF7F0)
extern usbd_desc_handler msc_desc_handler;
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif

29
src/main/drivers/at32/msc_diskio.h Normal file
View file

@ -0,0 +1,29 @@
/*
* 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 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
// IO routines from usb_msc_at32F435.c
int8_t msc_disk_capacity(uint8_t lun, uint32_t *block_num, uint32_t *block_size);
int8_t msc_disk_read(uint8_t lun, uint32_t blk_addr, uint8_t *buf, uint16_t blk_len);
int8_t msc_disk_write(uint8_t lun, uint32_t blk_addr, uint8_t *buf, uint16_t blk_len);
uint8_t *get_inquiry(uint8_t lun);
uint8_t msc_get_readonly(uint8_t lun);

2
src/main/drivers/at32/persistent_at32bsp.c
View file

@ -39,7 +39,9 @@ uint32_t persistentObjectRead(persistentObjectId_e id)
void persistentObjectWrite(persistentObjectId_e id, uint32_t value)
{
ertc_write_protect_disable();
ertc_bpr_data_write((ertc_dt_type)id, value);
ertc_write_protect_enable();
}
void persistentObjectRTCEnable(void)

2
src/main/drivers/at32/platform_mcu.h
View file

@ -68,6 +68,8 @@ typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
#endif
#define USE_USB_MSC
#define USE_TIMER_MGMT
#define USE_TIMER_AF
#define USE_DMA_SPEC

6
src/main/drivers/at32/system_at32f43x.c
View file

@ -58,7 +58,7 @@ typedef struct isrVector_s {
void checkForBootLoaderRequest(void)
{
uint32_t bootloaderRequest = persistentObjectRead(PERSISTENT_OBJECT_RESET_REASON);
volatile uint32_t bootloaderRequest = persistentObjectRead(PERSISTENT_OBJECT_RESET_REASON);
if (bootloaderRequest != RESET_BOOTLOADER_REQUEST_ROM) {
return;
@ -96,6 +96,10 @@ bool isMPUSoftReset(void)
void systemInit(void)
{
persistentObjectInit();
checkForBootLoaderRequest();
system_clock_config();//config system clock to 288mhz usb 48mhz
// Configure NVIC preempt/priority groups

43
src/main/drivers/at32/usb_msc_at32f43x.c
View file

@ -43,6 +43,9 @@
#include "drivers/time.h"
#include "drivers/usb_msc.h"
#include "msc/usbd_storage.h"
#include "msc/usbd_storage_emfat.h"
#include "pg/sdcard.h"
#include "pg/usb.h"
@ -194,4 +197,44 @@ uint8_t mscStart(void)
return 0;
}
int8_t msc_disk_capacity(uint8_t lun, uint32_t *block_num, uint32_t *block_size)
{
return USBD_MSC_EMFAT_fops.GetCapacity(lun, block_num, block_size);
}
int8_t msc_disk_read(
uint8_t lun, // logical unit number
uint32_t blk_addr, // address of 1st block to be read
uint8_t *buf, // Pointer to the buffer to save data
uint16_t blk_len) // number of blocks to be read
{
return USBD_MSC_EMFAT_fops.Read(lun, buf, blk_addr, blk_len);
}
int8_t msc_disk_write(uint8_t lun,
uint32_t blk_addr,
uint8_t *buf,
uint16_t blk_len)
{
UNUSED(lun);
UNUSED(buf);
UNUSED(blk_addr);
UNUSED(blk_len);
return 1;
}
uint8_t *get_inquiry(uint8_t lun)
{
UNUSED(lun);
return (uint8_t *)USBD_MSC_EMFAT_fops.pInquiry;
}
uint8_t msc_get_readonly(uint8_t lun)
{
UNUSED(lun);
return 1;
}
#endif

61
src/main/drivers/at32/usbd_msc_mem.h Normal file
View file

@ -0,0 +1,61 @@
/**
******************************************************************************
* @file usbd_msc_mem.h
* @author MCD Application Team
* @version V1.2.0
* @date 09-November-2015
* @brief header for the STORAGE DISK file file
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#pragma once
/** @defgroup USBD_MEM_Exported_Defines
* @{
*/
#define USBD_STD_INQUIRY_LENGTH 36
/**
* @}
*/
/** @defgroup USBD_MEM_Exported_TypesDefinitions
* @{
*/
typedef struct _USBD_STORAGE
{
int8_t (* Init) (uint8_t lun);
int8_t (* GetCapacity) (uint8_t lun, uint32_t *block_num, uint32_t *block_size);
int8_t (* IsReady) (uint8_t lun);
int8_t (* IsWriteProtected) (uint8_t lun);
int8_t (* Read) (uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
int8_t (* Write)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
int8_t (* GetMaxLun)(void);
int8_t *pInquiry;
} USBD_STORAGE_cb_TypeDef;
/** @defgroup USBD_MEM_Exported_FunctionsPrototype
* @{
*/
extern USBD_STORAGE_cb_TypeDef *USBD_STORAGE_fops;

4
src/main/drivers/stm32/system_stm32f4xx.c
View file

@ -147,6 +147,10 @@ bool isMPUSoftReset(void)
void systemInit(void)
{
persistentObjectInit();
checkForBootLoaderRequest();
SetSysClock();
// Configure NVIC preempt/priority groups

2
src/main/drivers/stm32/system_stm32f7xx.c
View file

@ -90,6 +90,8 @@ static void checkForBootLoaderRequest(void)
void systemInit(void)
{
persistentObjectInit();
checkForBootLoaderRequest();
// Mark ITCM-RAM as read-only

0
src/main/msc/usbd_msc_desc.c → src/main/drivers/stm32/usbd_msc_desc.c
View file

0
src/main/msc/usbd_msc_desc.h → src/main/drivers/stm32/usbd_msc_desc.h
View file

2
src/main/msc/usbd_storage.c
View file

@ -29,8 +29,10 @@
#include "usbd_msc.h"
#else
#include "usbd_msc_mem.h"
#ifndef AT32F435
#include "usbd_msc_core.h"
#endif
#endif
#include "usbd_storage.h"

2
src/main/msc/usbd_storage.h
View file

@ -26,8 +26,10 @@
#include "usbd_msc.h"
#else
#include "usbd_msc_mem.h"
#ifndef AT32F435
#include "usbd_msc_core.h"
#endif
#endif
#include "common/time.h"

1
src/main/target/AT32F435/target.h
View file

@ -62,6 +62,7 @@
#define USE_I2C_DEVICE_3
#define USE_USB_DETECT
#define USE_PERSISTENT_MSC_RTC
#define USE_VCP
#define UNIFIED_SERIAL_PORT_COUNT 1

47
src/main/target/AT32F435/target.mk
View file

@ -1,52 +1,5 @@
CMSIS_DIR := $(ROOT)/lib/main/AT32F43x/cmsis
TARGET_MCU := AT32F435
MCU_FLASH_SIZE := 4032
DEVICE_FLAGS = -DAT32F435ZMT7
TARGET_MCU_FAMILY := AT32F4
AT_LIB_DIR = $(ROOT)/lib/main/AT32F43x
STDPERIPH_DIR = $(AT_LIB_DIR)/drivers
STDPERIPH_SRC = $(notdir $(wildcard $(STDPERIPH_DIR)/src/*.c))
EXCLUDES = at32f435_437_dvp.c \
at32f435_437_can.c \
at32f435_437_xmc.c \
at32f435_437_emac
STARTUP_SRC = at32/startup_at32f435_437.s
STDPERIPH_SRC := $(filter-out ${EXCLUDES}, $(STDPERIPH_SRC))
VPATH := $(VPATH):$(AT_LIB_DIR)/cmsis/cm4/core_support:$(STDPERIPH_DIR)/inc:$(SRC_DIR)/startup/at32:$(STDPERIPH_DIR)/src
INCLUDE_DIRS := $(INCLUDE_DIRS) \
$(SRC_DIR)/startup/at32 \
$(STDPERIPH_DIR)/inc \
$(AT_LIB_DIR)/cmsis/cm4/core_support \
$(AT_LIB_DIR)/cmsis/cm4 \
$(AT_LIB_DIR)/middlewares/i2c_application_library \
$(AT_LIB_DIR)/middlewares/usb_drivers/inc \
$(AT_LIB_DIR)/middlewares/usbd_class/cdc
DEVICE_STDPERIPH_SRC = $(STDPERIPH_SRC)
TARGET_SRC := \
$(AT_LIB_DIR)/middlewares/i2c_application_library/i2c_application.c
LD_SCRIPT = $(LINKER_DIR)/at32_flash_f43xM.ld
ARCH_FLAGS = -std=c99 -mthumb -mcpu=cortex-m4 -march=armv7e-m -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -Wdouble-promotion
DEVICE_FLAGS += -DUSE_ATBSP_DRIVER -DAT32F43x -DHSE_VALUE=$(HSE_VALUE) -DAT32 -DUSE_OTG_HOST_MODE
MCU_COMMON_SRC = \
$(addprefix startup/at32/,$(notdir $(wildcard $(SRC_DIR)/startup/at32/*.c))) \
$(addprefix drivers/at32/,$(notdir $(wildcard $(SRC_DIR)/drivers/at32/*.c))) \
drivers/bus_i2c_timing.c \
drivers/pwm_output_dshot_shared.c
MCU_EXCLUDES =
VCP_SRC = \
$(addprefix $(AT_LIB_DIR)/middlewares/usbd_class/cdc/,$(notdir $(wildcard $(AT_LIB_DIR)/middlewares/usbd_class/cdc/*.c))) \
$(addprefix $(AT_LIB_DIR)/middlewares/usb_drivers/src/,$(notdir $(wildcard $(AT_LIB_DIR)/middlewares/usb_drivers/src/*.c))) \
drivers/usb_io.c