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SourceVuSTM32 Libraries and SamplesLwIP_TFTP_Server

LwIP_TFTP_Server sample

LwIP_TFTP_Server is a sample project defining the following symbols:

Most used functions

Name
Location
Summary
This function handles NMI exception.
This function handles Hard Fault exception.
This function handles Debug Monitor exception.
This function handles Memory Manage exception.
This function handles Bus Fault exception.
This function handles Usage Fault exception.
This function handles SysTick Handler.
This function handles SVCall exception.
This function handles PendSVC exception.
Main program
Initializes a Drive
I/O control operation
Gets Disk Status
Reads Sector(s)
Writes Sector(s)
This function handles DMA2 Stream 3 interrupt request.
This function handles DMA2 Stream 6 interrupt request.
Notify the User about the network interface config status
Should be called at the beginning of the program to set up the network interface. It calls the function low_level_init() to do the actual setup of the hardware. This function should be passed as a parameter to netif_add().
This function handles SDIO interrupt request.
Custom Rx pbuf free callback
PHI IO Functions Initializes the MDIO interface GPIO and clocks.
De-Initializes the MDIO interface .
Read a PHY register through the MDIO interface.
Write a value to a PHY register through the MDIO interface.
Get the time in millisecons used for internal PHY driver process.
This function should be called when a packet is ready to be read from the interface. It uses the function low_level_input() that should handle the actual reception of bytes from the network interface. Then the type of the received packet is determined and the appropriate input function is called.
DHCP periodic check
Ethernet Link periodic check
DHCP_Process_Handle
Sends a TFTP error message
Cleanup after end of TFTP write operation
tftp receive callback on port 69
Extracts the block number from TFTP message
set the opcode in TFTP message: RRQ / WRQ / DATA / ACK / ERROR
sends a TFTP message
Cleanup after end of TFTP read operation
Extracts the opcode from a TFTP message
Extracts the filename from TFTP message
Sets the block number
Initializes the udp pcb for TFTP
processes tftp write operation
processes tftp read operation
Sends TFTP ACK packet
sends next data block during TFTP READ operation
Set the errorcode in TFTP message
Sets the error message
Check if the received acknowledgement is correct
Set the data message
construct an error message into buf
Sends TFTP data packet
receive callback during tftp read operation (not on standard port 69)
receive callback during tftp write operation (not on standard port 69)
processes the tftp request on port 69
Initializes the STM324xG-EVAL's LCD and LEDs resources.
Configurates the network interface
System Clock Configuration The system Clock is configured as follow : System Clock source = PLL (HSE) SYSCLK(Hz) = 168000000 HCLK(Hz) = 168000000 AHB Prescaler = 1 APB1 Prescaler = 4 APB2 Prescaler = 2 HSE Frequency(Hz) = 25000000 PLL_M = 25 PLL_N = 336 PLL_P = 2 PLL_Q = 7 VDD(V) = 3.3 Main regulator output voltage = Scale1 mode Flash Latency(WS) = 5
LL Driver Interface ( LwIP stack --> ETH) In this function, the hardware should be initialized. Called from ethernetif_init().
This function should do the actual transmission of the packet. The packet is contained in the pbuf that is passed to the function. This pbuf might be chained.
Should allocate a pbuf and transfer the bytes of the incoming packet from the interface into the pbuf.

Other commonly used symbols

Name
Location
Summary
Internal High Speed oscillator (HSI) value. This value is used by the RCC HAL module to compute the system frequency (when HSI is used as system clock source, directly or through the PLL). Value of the Internal oscillator in Hz
Adjust the value of External High Speed oscillator (HSE) used in your application. This value is used by the RCC HAL module to compute the system frequency (when HSE is used as system clock source, directly or through the PLL). Value of the External oscillator in Hz
Miscellaneous Configuration *********************** Vector Table base offset field. This value must be a multiple of 0x200.
@file LwIP/LwIP_TFTP_Server/Inc/main.h @author MCD Application Team This file contains all the functions prototypes for the main.c file. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file LwIP/LwIP_TFTP_Server/Inc/stm32f4xx_it.h @author MCD Application Team This file contains the headers of the interrupt handlers. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
External clock source for I2S peripheral This value is used by the I2S HAL module to compute the I2S clock source frequency, this source is inserted directly through I2S_CKIN pad. Value of the External oscillator in Hz
tick interrupt priority
Internal Low Speed oscillator (LSI) value.
External Low Speed oscillator (LSE) value. Value of the External Low Speed oscillator in Hz
Time out for HSE start up, in ms
Time out for LSE start up, in ms
@file LwIP/LwIP_TFTP_Server/Inc/stm32f4xx_hal_conf.h @author MCD Application Team HAL configuration file. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
This is the list of modules to be used in the HAL driver
This is the HAL system configuration section Value of VDD in mv
Transceiver Basic Control Register
Auto-Negotiation process completed
PHY status register Offset
Transceiver Basic Status Register
PHY Speed mask
Enable auto-negotiation function
PHY Duplex mask
Select the power down mode
Valid link established
PHY Reset
Select loop-back mode
Set the full-duplex mode at 100 Mb/s
Set the half-duplex mode at 100 Mb/s
Set the full-duplex mode at 10 Mb/s
Set the half-duplex mode at 10 Mb/s
Restart auto-negotiation function
Isolate PHY from MII
Jabber condition detected
MII Interrupt Status and Misc. Control Register
MII Interrupt Control Register
PHY Link mask
PHY Enable interrupts
PHY Enable output interrupt events
Enable Interrupt on change of link status
PHY link status interrupt mask
Uncomment the line below to expanse the "assert_param" macro in the HAL drivers code
Portions COPYRIGHT 2017 STMicroelectronics Copyright (C) 2017, ChaN, all right reserved. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file LwIP/LwIP_TFTP_Server/Inc/lcd_log_conf.h @author MCD Application Team LCD Log configuration file. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file sd_diskio.h @author MCD Application Team Header for sd_diskio.c module. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
NO_SYS==1: Provides VERY minimal functionality. Otherwise, use lwIP facilities.
LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
@file ethernetif.h @author MCD Application Team Ethernet interface header file. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file LwIP/LwIP_TFTP_Server/Inc/lwipopts.h @author MCD Application Team lwIP Options Configuration. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file LwIP/LwIP_TFTP_Server/Inc/app_ethernet.h @author MCD Application Team Header for app_ethernet.c module @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
SYS_LIGHTWEIGHT_PROT==0: disable inter-task protection (and task-vs-interrupt protection) for certain critical regions during buffer allocation, deallocation and memory allocation and deallocation.
@file LwIP/LwIP_TFTP_Server/Inc/tftpserver.h @author MCD Application Team This file is the header of tftpserver file. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file LwIP/LwIP_TFTP_Server/Inc/tftputils.h @author MCD Application Team tftp utils header file. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Dependencies