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添加GD32H7的CMake工程

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chentianya
2026-07-23 19:44:30 +08:00
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Firmware/GD32H7xx_usbhs_library/device/class/iap/Include/usb_iap_core.h
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/*!
\file usb_iap_core.h
\brief the header file of IAP driver
\version 2025-01-24, V1.4.0, firmware for GD32H7xx
*/
/*
Copyright (c) 2025, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef USB_IAP_CORE_H
#define USB_IAP_CORE_H
#include "usbd_enum.h"
#include "usb_hid.h"
#define USB_SERIAL_STRING_SIZE 0x06U /*!< serial string size */
#ifdef USE_USB_FS
#define USB_DESC_LEN_IAP_REPORT 35U /*!< report descriptor length */
#elif defined(USE_USB_HS)
#define USB_DESC_LEN_IAP_REPORT 37U /*!< report descriptor length */
#else
#error "please select 'USE_USB_FS' or 'USE_USB_HS'"
#endif
#define USB_DESC_LEN_IAP_CONFIG_SET 41U /*!< configuration descriptor length */
/* special commands with download request */
#define IAP_READ_OPTION_BYTE 0x01U /*!< read option byte request */
#define IAP_ERASE 0x02U /*!< erase request */
#define IAP_DOWNLOAD 0x03U /*!< download request */
#define IAP_LEAVE 0x04U /*!< leave request */
#define IAP_GETBIN_ADDRESS 0x05U /*!< get bin address request */
#define IAP_WRITE_OPTION_BYTE 0x06U /*!< write option byte request */
#define IAP_UPLOAD 0x07U /*!< upload request */
#define IAP_CHECK_RDP 0x08U /*!< check rdp state request */
#define OPERATION_SUCCESS 0x02U /*!< operation success status */
#define OPERATION_FAIL 0x5FU /*!< operation fail status */
#define LEAVE_FINISH 0x04U /*!< leave finish status */
#define OB_WRITE_SUCCESS 0x03U /*!< OB write success status */
#define IS_RDP_MODE 0xBBU /*!< MCU RDP status */
#define IS_NORMAL_MODE 0xA5U /*!< MCU normal status */
#define IAP_HOST_ID 0x01U /*!< IAP host ID */
#define IAP_DEVICE_ID 0x02U /*!< IAP device ID */
typedef struct {
__ALIGN_BEGIN uint8_t report_buf[IAP_OUT_PACKET] __ALIGN_END; /*!< report buff */
__ALIGN_BEGIN uint8_t option_byte[IAP_IN_PACKET] __ALIGN_END; /*!< option byte buff */
/* state machine variables */
__ALIGN_BEGIN uint8_t dev_status[IAP_IN_PACKET] __ALIGN_END; /*!< device status */
__ALIGN_BEGIN uint8_t bin_addr[IAP_IN_PACKET] __ALIGN_END; /*!< load bin address */
uint8_t reportID; /*!< report id */
uint8_t flag; /*!< flag */
uint32_t protocol; /*!< control request protocol */
uint32_t idlestate; /*!< control request idle state */
uint16_t transfer_times; /*!< data transfer times */
uint16_t page_count; /*!< memory page count */
uint32_t file_length; /*!< file length*/
uint32_t base_address; /*!< loaded base address */
} usbd_iap_handler;
typedef void (*app_func)(void);
extern usb_desc iap_desc;
extern usb_class_core iap_class;
/* function declarations */
/* send IAP report */
uint8_t iap_report_send(usb_dev *udev, uint8_t *report, uint32_t len);
#endif /* USB_IAP_CORE_H */
Firmware/GD32H7xx_usbhs_library/device/class/iap/Source/usb_iap_core.c
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/*!
\file usb_iap_core.c
\brief IAP driver
\version 2025-01-24, V1.4.0, firmware for GD32H7xx
*/
/*
Copyright (c) 2025, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "usb_iap_core.h"
#include "flash_operation.h"
#include "drv_usb_hw.h"
#include <string.h>
#define USBD_VID 0x28E9U
#define USBD_PID 0x7228U
/* Note:it should use the C99 standard when compiling the below codes */
/* USB standard device descriptor */
__ALIGN_BEGIN const usb_desc_dev iap_dev_desc __ALIGN_END = {
.header =
{
.bLength = USB_DEV_DESC_LEN,
.bDescriptorType = USB_DESCTYPE_DEV
},
.bcdUSB = 0x0200U,
.bDeviceClass = 0x00U,
.bDeviceSubClass = 0x00U,
.bDeviceProtocol = 0x00U,
.bMaxPacketSize0 = USB_FS_EP0_MAX_LEN,
.idVendor = USBD_VID,
.idProduct = USBD_PID,
.bcdDevice = 0x0100U,
.iManufacturer = STR_IDX_MFC,
.iProduct = STR_IDX_PRODUCT,
.iSerialNumber = STR_IDX_SERIAL,
.bNumberConfigurations = USBD_CFG_MAX_NUM
};
__ALIGN_BEGIN const usb_hid_desc_config_set iap_config_desc __ALIGN_END = {
.config =
{
.header =
{
.bLength = sizeof(usb_desc_config),
.bDescriptorType = USB_DESCTYPE_CONFIG
},
.wTotalLength = USB_DESC_LEN_IAP_CONFIG_SET,
.bNumInterfaces = 0x01U,
.bConfigurationValue = 0x01U,
.iConfiguration = 0x00U,
.bmAttributes = 0x80U,
.bMaxPower = 0x32U
},
.hid_itf =
{
.header =
{
.bLength = sizeof(usb_desc_itf),
.bDescriptorType = USB_DESCTYPE_ITF
},
.bInterfaceNumber = 0x00U,
.bAlternateSetting = 0x00U,
.bNumEndpoints = 0x02U,
.bInterfaceClass = USB_HID_CLASS,
.bInterfaceSubClass = 0x00U,
.bInterfaceProtocol = 0x00U,
.iInterface = 0x00U
},
.hid_vendor =
{
.header =
{
.bLength = sizeof(usb_desc_hid),
.bDescriptorType = USB_DESCTYPE_HID
},
.bcdHID = 0x0111U,
.bCountryCode = 0x00U,
.bNumDescriptors = 0x01U,
.bDescriptorType = USB_DESCTYPE_REPORT,
.wDescriptorLength = USB_DESC_LEN_IAP_REPORT,
},
.hid_epin =
{
.header =
{
.bLength = sizeof(usb_desc_ep),
.bDescriptorType = USB_DESCTYPE_EP
},
.bEndpointAddress = IAP_IN_EP,
.bmAttributes = USB_EP_ATTR_INT,
.wMaxPacketSize = IAP_IN_PACKET,
.bInterval = 0x01U
},
.hid_epout =
{
.header =
{
.bLength = sizeof(usb_desc_ep),
.bDescriptorType = USB_DESCTYPE_EP
},
.bEndpointAddress = IAP_OUT_EP,
.bmAttributes = USB_EP_ATTR_INT,
.wMaxPacketSize = IAP_OUT_PACKET,
.bInterval = 0x01U
}
};
/* USB language ID Descriptor */
__ALIGN_BEGIN const usb_desc_LANGID usbd_language_id_desc __ALIGN_END = {
.header =
{
.bLength = sizeof(usb_desc_LANGID),
.bDescriptorType = USB_DESCTYPE_STR
},
.wLANGID = ENG_LANGID
};
/* USB manufacture string */
static const __ALIGN_BEGIN usb_desc_str manufacturer_string __ALIGN_END = {
.header =
{
.bLength = USB_STRING_LEN(10U),
.bDescriptorType = USB_DESCTYPE_STR,
},
.unicode_string = {'G', 'i', 'g', 'a', 'D', 'e', 'v', 'i', 'c', 'e'}
};
/* USB product string */
static const __ALIGN_BEGIN usb_desc_str product_string __ALIGN_END = {
.header =
{
.bLength = USB_STRING_LEN(12U),
.bDescriptorType = USB_DESCTYPE_STR,
},
.unicode_string = {'G', 'D', '3', '2', '-', 'U', 'S', 'B', '_', 'I', 'A', 'P'}
};
/* USB serial string */
static __ALIGN_BEGIN usb_desc_str serial_string __ALIGN_END = {
.header =
{
.bLength = USB_STRING_LEN(2U),
.bDescriptorType = USB_DESCTYPE_STR,
}
};
void *const usbd_iap_strings[] = {
[STR_IDX_LANGID] = (uint8_t *)&usbd_language_id_desc,
[STR_IDX_MFC] = (uint8_t *)&manufacturer_string,
[STR_IDX_PRODUCT] = (uint8_t *)&product_string,
[STR_IDX_SERIAL] = (uint8_t *)&serial_string
};
usb_desc iap_desc = {
.dev_desc = (uint8_t *)&iap_dev_desc,
.config_desc = (uint8_t *)&iap_config_desc,
.strings = usbd_iap_strings
};
/* local function prototypes ('static') */
static uint8_t iap_init(usb_dev *udev, uint8_t config_index);
static uint8_t iap_deinit(usb_dev *udev, uint8_t config_index);
static uint8_t iap_req_handler(usb_dev *udev, usb_req *req);
static uint8_t iap_data_out(usb_dev *udev, uint8_t ep_num);
/* IAP requests management functions */
static void iap_req_erase(usb_dev *udev);
static void iap_req_download(usb_dev *udev);
static void iap_req_read_optionbyte(usb_dev *udev);
static void iap_req_write_optionbyte(usb_dev *udev);
static void iap_req_leave(usb_dev *udev);
static void iap_address_send(usb_dev *udev);
static void iap_req_upload(usb_dev *udev);
static void iap_check_rdp(usb_dev *udev);
usb_class_core iap_class = {
.init = iap_init,
.deinit = iap_deinit,
.req_proc = iap_req_handler,
.data_out = iap_data_out
};
/* USB custom HID device report descriptor */
__ALIGN_BEGIN const uint8_t iap_report_desc[USB_DESC_LEN_IAP_REPORT] __ALIGN_END = {
0x05U, 0x01U, /* USAGE_PAGE (Generic Desktop) */
0x09U, 0x00U, /* USAGE (Custom Device) */
0xa1U, 0x01U, /* COLLECTION (Application) */
/* IAP command and data */
0x85U, 0x01U, /* REPORT_ID (0x01) */
0x09U, 0x01U, /* USAGE (IAP command) */
0x15U, 0x00U, /* LOGICAL_MINIMUM (0) */
0x25U, 0xffU, /* LOGICAL_MAXIMUM (255) */
0x75U, 0x08U, /* REPORT_SIZE (8) */
#ifdef USE_USB_FS
0x95U, REPORT_OUT_COUNT,
#else
0x96U, BYTE_LOW(REPORT_OUT_COUNT), BYTE_HIGH(REPORT_OUT_COUNT), /* REPORT_COUNT (57) */
#endif
0x91U, 0x82U, /* OUTPUT (Data,Var,Abs,Vol) */
/* device status and option byte */
0x85U, 0x02U, /* REPORT_ID (0x02) */
0x09U, 0x02U, /* USAGE (Status and option byte) */
0x15U, 0x00U, /* LOGICAL_MINIMUM (0) */
0x25U, 0xffU, /* LOGICAL_MAXIMUM (255) */
0x75U, 0x08U, /* REPORT_SIZE (8) */
#ifdef USE_USB_FS
0x95U, REPORT_IN_COUNT, /* REPORT_COUNT (23) */
#else
0x96U, BYTE_LOW(REPORT_IN_COUNT), BYTE_HIGH(REPORT_IN_COUNT), /* REPORT_COUNT (57) */
#endif
0x81U, 0x82U, /* INPUT (Data,Var,Abs,Vol) */
0xc0U /* END_COLLECTION */
};
/*!
\brief send IAP report
\param[in] udev: pointer to USB device instance
\param[in] report: pointer to HID report
\param[in] len: data length
\param[out] none
\retval USB device operation status
*/
uint8_t iap_report_send(usb_dev *udev, uint8_t *report, uint32_t len)
{
usbd_ep_send(udev, IAP_IN_EP, report, len);
return USBD_OK;
}
/*!
\brief initialize the IAP device
\param[in] udev: pointer to USB device instance
\param[in] config_index: configuration index
\param[out] none
\retval USB device operation status
*/
static uint8_t iap_init(usb_dev *udev, uint8_t config_index)
{
static usbd_iap_handler iap_handler;
/* initialize TX endpoint */
usbd_ep_setup(udev, &(iap_config_desc.hid_epin));
/* initialize RX endpoint */
usbd_ep_setup(udev, &(iap_config_desc.hid_epout));
memset((void *)&iap_handler, 0U, sizeof(usbd_iap_handler));
/* prepare receive data */
usbd_ep_recev(udev, IAP_OUT_EP, iap_handler.report_buf, IAP_OUT_PACKET);
iap_handler.base_address = APP_LOADED_ADDR;
udev->dev.class_data[USBD_IAP_INTERFACE] = (void *)&iap_handler;
return USBD_OK;
}
/*!
\brief deinitialize the IAP device
\param[in] udev: pointer to USB device instance
\param[in] config_index: configuration index
\param[out] none
\retval USB device operation status
*/
static uint8_t iap_deinit(usb_dev *udev, uint8_t config_index)
{
/* deinitialize IAP endpoints */
usbd_ep_clear(udev, IAP_IN_EP);
usbd_ep_clear(udev, IAP_OUT_EP);
return USBD_OK;
}
/*!
\brief handle the IAP class-specific requests
\param[in] udev: pointer to USB device instance
\param[in] req: device class-specific request
\param[out] none
\retval USB device operation status
*/
static uint8_t iap_req_handler(usb_dev *udev, usb_req *req)
{
usb_transc *transc = &udev->dev.transc_in[0];
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
switch(req->bRequest) {
case GET_REPORT:
/* no use for this driver */
break;
case GET_IDLE:
transc->xfer_buf = (uint8_t *)&iap->idlestate;
transc->remain_len = 1U;
break;
case GET_PROTOCOL:
transc->xfer_buf = (uint8_t *)&iap->protocol;
transc->remain_len = 1U;
break;
case SET_REPORT:
iap->reportID = (uint8_t)(req->wValue);
break;
case SET_IDLE:
iap->idlestate = (uint8_t)(req->wValue >> 8);
break;
case SET_PROTOCOL:
iap->protocol = (uint8_t)(req->wValue);
break;
case USB_GET_DESCRIPTOR:
if(USB_DESCTYPE_REPORT == (req->wValue >> 8)) {
transc->remain_len = USB_MIN(USB_DESC_LEN_IAP_REPORT, req->wLength);
transc->xfer_buf = (uint8_t *)iap_report_desc;
}
break;
default:
return USBD_FAIL;
}
return USBD_OK;
}
/*!
\brief handle data OUT stage
\param[in] udev: pointer to USB device instance
\param[in] ep_num: endpoint number
\param[out] none
\retval USB device operation status
*/
static uint8_t iap_data_out(usb_dev *udev, uint8_t ep_num)
{
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
if(IAP_HOST_ID == iap->report_buf[0]) {
switch(iap->report_buf[1]) {
case IAP_DOWNLOAD:
iap_req_download(udev);
break;
case IAP_ERASE:
iap_req_erase(udev);
break;
case IAP_READ_OPTION_BYTE:
iap_req_read_optionbyte(udev);
break;
case IAP_LEAVE:
iap_req_leave(udev);
break;
case IAP_GETBIN_ADDRESS:
iap_address_send(udev);
break;
case IAP_WRITE_OPTION_BYTE:
iap_req_write_optionbyte(udev);
break;
case IAP_UPLOAD:
iap_req_upload(udev);
break;
case IAP_CHECK_RDP:
iap_check_rdp(udev);
break;
default:
break;
}
}
usbd_ep_recev(udev, IAP_OUT_EP, iap->report_buf, IAP_OUT_PACKET);
return USBD_OK;
}
/*!
\brief handle the IAP_DNLOAD request
\param[in] udev: pointer to USB device instance
\param[out] none
\retval none
*/
static void iap_req_download(usb_dev *udev)
{
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
iap->dev_status[0] = IAP_DEVICE_ID;
/* get the target address to download */
iap->base_address = iap->report_buf[2];
iap->base_address |= (uint32_t)iap->report_buf[3] << 8;
iap->base_address |= (uint32_t)iap->report_buf[4] << 16;
iap->base_address |= (uint32_t)iap->report_buf[5] << 24;
/* program the target address */
if(FMC_READY == iap_data_write(&iap->report_buf[6], iap->base_address, TRANSFER_SIZE)) {
iap->dev_status[1] = OPERATION_SUCCESS;
} else {
iap->dev_status[1] = OPERATION_FAIL;
}
iap_report_send(udev, iap->dev_status, IAP_IN_PACKET);
}
/*!
\brief handle the IAP_WRITE_OPTION_BYTE request
\param[in] udev: pointer to USB device instance
\param[out] none
\retval none
*/
static void iap_req_write_optionbyte(usb_dev *udev)
{
uint32_t option_byte_addr = 0U;
uint16_t option_byte_size = 0U;
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
iap->dev_status[0] = IAP_DEVICE_ID;
FMC_STAT = 0xFFFFFFFF;
/* get option byte address address */
option_byte_addr = iap->report_buf[2];
option_byte_addr |= (uint32_t)iap->report_buf[3] << 8U;
option_byte_addr |= (uint32_t)iap->report_buf[4] << 16U;
option_byte_addr |= (uint32_t)iap->report_buf[5] << 24U;
iap->base_address = option_byte_addr;
/* get option byte/efuse/aes_iv size */
if(OPT_BYTE_ADDR == option_byte_addr) {
if(OPT_BYTE_SIZE > TRANSFER_SIZE) {
option_byte_size = OPT_BYTE_SIZE - 4;
} else {
option_byte_size = OPT_BYTE_SIZE;
}
fmc_unlock();
ob_unlock();
/* write option byte address data */
if(FMC_READY == option_byte_write(option_byte_addr, &iap->report_buf[6], option_byte_size)) {
iap->dev_status[1] = OB_WRITE_SUCCESS;
} else {
iap->dev_status[1] = OPERATION_FAIL;
}
ob_start();
ob_lock();
fmc_lock();
while(FMC_FLAG_BUSY == (FMC_STAT & FMC_FLAG_BUSY));
} else if(OPT_BYTE_ADDR2 == option_byte_addr) {
fmc_unlock();
ob_unlock();
/* write option byte address data */
if(FMC_READY == option_byte_write(option_byte_addr, &iap->report_buf[6], 4)) {
iap->dev_status[1] = OB_WRITE_SUCCESS;
} else {
iap->dev_status[1] = OPERATION_FAIL;
}
ob_start();
ob_lock();
fmc_lock();
while(FMC_FLAG_BUSY == (FMC_STAT & FMC_FLAG_BUSY));
} else if(AES_IV_ADDR == option_byte_addr) {
option_byte_size = AES_IV_SIZE;
/* write aes iv data */
if(FMC_READY == fmc_aes_iv_config((uint32_t *)&iap->report_buf[18])) {
iap->dev_status[1] = OB_WRITE_SUCCESS;
} else {
iap->dev_status[1] = OPERATION_FAIL;
}
} else if(EFUSE_OB_ADDR == option_byte_addr) {
/* write efuse data */
option_byte_size = EFUSE_OB_SIZE;
if(FMC_READY == efuse_program(&iap->report_buf[6])) {
iap->dev_status[1] = OB_WRITE_SUCCESS;
} else {
iap->dev_status[1] = OPERATION_FAIL;
}
} else {
iap->dev_status[1] = OPERATION_FAIL;
}
usb_mdelay(100U);
iap_report_send(udev, iap->dev_status, IAP_IN_PACKET);
}
/*!
\brief handle the IAP_ERASE request
\param[in] udev: pointer to USB device instance
\param[out] none
\retval none
*/
static void iap_req_erase(usb_dev *udev)
{
uint32_t addr = 0U;
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
/* get base address to erase */
iap->base_address = iap->report_buf[2];
iap->base_address |= (uint32_t)iap->report_buf[3] << 8;
iap->base_address |= (uint32_t)iap->report_buf[4] << 16;
iap->base_address |= (uint32_t)iap->report_buf[5] << 24;
/* get file length */
iap->file_length = iap->report_buf[6];
iap->file_length |= (uint32_t)iap->report_buf[7] << 8;
iap->file_length |= (uint32_t)iap->report_buf[8] << 16;
iap->file_length |= (uint32_t)iap->report_buf[9] << 24;
/* check if the address is in protected area */
if(IS_PROTECTED_AREA(iap->base_address)) {
return;
}
addr = iap->base_address;
iap->dev_status[0] = IAP_DEVICE_ID;
if(FMC_READY == flash_erase(addr, iap->file_length)) {
iap->dev_status[1] = OPERATION_SUCCESS;
} else {
iap->dev_status[1] = OPERATION_FAIL;
}
usbd_ep_send(udev, IAP_IN_EP, iap->dev_status, IAP_IN_PACKET);
}
/*!
\brief handle the IAP_READ_OPTION_BYTE request
\param[in] udev: pointer to USB device instance
\param[out] none
\retval none
*/
static void iap_req_read_optionbyte(usb_dev *udev)
{
uint8_t i = 0U;
uint32_t option_size = 0U, temp = 0U, option_address = 0U;
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
/* read option address address */
option_address = iap->report_buf[2] + (iap->report_buf[3] << 8) + (iap->report_buf[4] << 16) + (iap->report_buf[5] << 24);
iap->option_byte[0] = IAP_DEVICE_ID;
if(OPT_BYTE_ADDR == option_address) {
option_size = OPT_BYTE_SIZE;
iap->option_byte[1] = OPERATION_SUCCESS;
} else if(AES_IV_ADDR == option_address) {
option_size = AES_IV_SIZE;
iap->option_byte[1] = OPERATION_SUCCESS;
} else if(EFUSE_OB_ADDR == option_address) {
option_size = EFUSE_OB_SIZE;
iap->option_byte[1] = OPERATION_SUCCESS;
} else {
/* no operation */
}
/* read option address content */
for(i = 0U; i < (option_size / 4U); i++) {
temp = *(uint32_t *)option_address;
iap->option_byte[4 * i + 5] = temp >> 24;
iap->option_byte[4 * i + 4] = temp >> 16;
iap->option_byte[4 * i + 3] = temp >> 8;
iap->option_byte[4 * i + 2] = temp;
option_address = option_address + 4U;
}
iap_report_send(udev, iap->option_byte, IAP_IN_PACKET);
}
/*!
\brief handle the IAP_LEAVE request
\param[in] udev: pointer to USB device instance
\param[out] none
\retval none
*/
static void iap_req_leave(usb_dev *udev)
{
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
/* get base address to jump */
iap->base_address = iap->report_buf[2];
iap->base_address |= (uint32_t)iap->report_buf[3] << 8;
iap->base_address |= (uint32_t)iap->report_buf[4] << 16;
iap->base_address |= (uint32_t)iap->report_buf[5] << 24;
iap->dev_status[0] = IAP_DEVICE_ID;
iap->dev_status[1] = LEAVE_FINISH;
usbd_ep_send(udev, IAP_IN_EP, iap->dev_status, IAP_IN_PACKET);
usb_mdelay(3U);
usbd_disconnect(udev);
rcu_deinit();
jump_to_execute(iap->base_address);
}
/*!
\brief handle the IAP_ADDRESS_SEND request
\param[in] udev: pointer to USB device instance
\param[out] none
\retval none
*/
static void iap_address_send(usb_dev *udev)
{
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
iap->bin_addr[0] = IAP_DEVICE_ID;
/* get app boundary address */
iap->bin_addr[1] = (uint8_t)(APP_LOADED_ADDR);
iap->bin_addr[2] = (uint8_t)(APP_LOADED_ADDR >> 8);
iap->bin_addr[3] = (uint8_t)(APP_LOADED_ADDR >> 16);
iap->bin_addr[4] = (uint8_t)(APP_LOADED_ADDR >> 24);
iap_report_send(udev, iap->bin_addr, IAP_IN_PACKET);
}
/*!
\brief handle the IAP_UPLOAD request
\param[in] udev: pointer to USB device instance
\param[out] none
\retval none
*/
static void iap_req_upload(usb_dev *udev)
{
uint16_t packet_valid_length = 0U, i= 0U;
uint32_t bin_flash_addr = APP_LOADED_ADDR;
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
iap->bin_addr[0] = IAP_DEVICE_ID;
/* get target flash address */
bin_flash_addr = iap->report_buf[2];
bin_flash_addr |= (uint32_t)iap->report_buf[3] << 8;
bin_flash_addr |= (uint32_t)iap->report_buf[4] << 16;
bin_flash_addr |= (uint32_t)iap->report_buf[5] << 24;
/* get current packet valid length */
packet_valid_length = iap->report_buf[6];
packet_valid_length |= iap->report_buf[7] << 8;
/* get target flash address content */
for(i = 0U; i < packet_valid_length; i++) {
iap->bin_addr[i + 1] = REG8(bin_flash_addr + i);
}
iap_report_send(udev, iap->bin_addr, IAP_IN_PACKET);
}
/*!
\brief handle the IAP_CHECK_RDP request
\param[in] udev: pointer to USB device instance
\param[out] none
\retval none
*/
static void iap_check_rdp(usb_dev *udev)
{
uint8_t mode = 0U;
usbd_iap_handler *iap = (usbd_iap_handler *)udev->dev.class_data[USBD_IAP_INTERFACE];
/* check whether the SPC bit of FMC module is normal state */
if(0xAA != (uint8_t)((REG32(OPT_BYTE_ADDR) & 0x0000FF00) >> 8U)) {
mode = IS_RDP_MODE;
} else if(RESET != (REG32(EFUSE_OB_ADDR) & 0x00001800)) {/* check whether the SPC_L or SPC_H bit of EFUSE module is SET */
mode = IS_RDP_MODE;
} else {
mode = IS_NORMAL_MODE;
}
iap->bin_addr[0] = IAP_DEVICE_ID;
iap->bin_addr[1] = mode;
iap_report_send(udev, iap->bin_addr, IAP_IN_PACKET);
}