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Файл:(ARM).Porting TCP-IP programmer's guide.Ver 1.4.pdf
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- •Preface
- •About this book
- •Intended audience
- •Using this book
- •Typographical conventions
- •Further reading
- •Feedback
- •Feedback on ARM TCP/IP
- •Feedback on this book
- •Introduction
- •1.1 A typical embedded networking stack
- •1.2 What is PPP?
- •1.3 ARM TCP/IP requirements
- •1.3.1 Memory requirements
- •1.3.2 CPU requirements
- •1.3.3 Operating system requirements
- •1.4 ARM PPP requirements
- •1.4.1 Line management functions
- •1.4.2 Static memory
- •1.4.3 Dynamic memory
- •1.4.4 Periodic clock tick
- •1.5 Example package directories
- •1.6 Sample programs
- •TCP/IP Porting
- •2.1 Porting procedure
- •2.2 Portable and nonportable files
- •2.2.1 Portable files
- •2.2.2 Nonportable files
- •2.3 Creating the IP port file
- •2.3.1 Standard macros and definitions
- •2.3.2 CPU architecture
- •2.3.4 Debugging aids
- •2.3.5 Timers and multitasking
- •2.3.6 Stack features and options
- •2.4 Coding the glue layer
- •2.4.1 Task control
- •2.5 Specifying IP addresses
- •2.5.1 Porting programmer IP issues
- •2.5.2 End user IP issues
- •2.6 Testing the TCP/IP port
- •PPP Porting
- •3.1 Porting procedure
- •3.2 Porting PPP
- •3.2.1 Source files
- •3.2.2 Compiling PPP
- •3.2.3 Entry points and support calls
- •3.3 Testing PPP
- •3.3.1 Loopback
- •3.3.2 Client connection
- •3.3.3 Server connection
- •3.3.4 Abrupt disconnect
- •3.3.5 Multilink test
- •TCP/IP API Functions
- •4.2.1 cksum()
- •4.2.2 dprintf() and initmsg()
- •4.2.3 dtrap()
- •4.2.4 ENTER_CRIT_SECTION() and EXIT_CRIT_SECTION()
- •4.2.5 LOCK_NET_RESOURCE() and UNLOCK_NET_RESOURCE()
- •4.2.6 npalloc()
- •4.2.7 npfree()
- •4.2.8 panic()
- •4.2.9 prep_ifaces()
- •4.2.10 tcp_sleep()
- •4.2.11 tcp_wakeup()
- •4.3 Network interfaces
- •4.3.1 The NET structure
- •4.3.2 n_close()
- •4.3.3 n_init()
- •4.3.4 n_reg_type()
- •4.3.5 n_stats()
- •4.3.6 pkt_send()
- •4.3.7 raw_send()
- •PPP API Functions
- •5.2.1 _ALLOC() functions
- •5.2.2 ConPrintf()
- •5.2.3 _FREE() functions
- •5.2.4 get_secret()
- •5.2.5 ppp_port_init()
- •5.3 Serial line drivers
- •5.3.1 ln_connect()
- •5.3.2 ln_getc()
- •5.3.3 ln_hangup()
- •5.3.4 ln_putc()
- •5.3.5 ln_speed()
- •5.3.6 ln_state()
- •5.3.7 ln_write()
- •5.4 PPP entry points
- •5.4.1 lcp_lowerdown()
- •5.4.2 lcp_lowerup()
- •5.4.3 ppp_input()
- •5.4.4 ppp_timeisup()
- •5.4.5 prep_ppp()
- •Modem Functions
- •6.1 dialer.c
- •6.1.1 dial()
- •6.1.2 dial_check()
- •6.1.3 dialer_status()
- •6.1.6 modem_getc()
- •6.1.7 modem_gets()
- •6.1.4 modem_cmd()
- •6.1.5 modem_connect()
- •6.1.8 modem_hangup()
- •6.1.9 modem_init()
- •6.1.10 modem_lstate()
- •6.1.11 modem_putc()
- •6.1.12 modem_reset()
- •6.1.13 modem_speed()
- •6.1.14 modem_state()
- •6.1.15 modem_write()
- •6.2 login.c
- •6.2.1 do_script()
- •6.2.2 login()
- •6.2.3 log_input()
- •6.2.4 log_output()
- •6.2.5 logserver()
- •6.3 mdmport.c
- •6.3.1 dial_delay()
- •6.3.2 hangup()
- •6.3.3 modem_clr_dtr() and modem_set_dtr()
- •6.3.4 modem_DCD()
- •6.3.5 modem_portstat()
- •DHCP Client Functions
- •7.1 DHCP client functions
- •7.1.1 dhc_init()
- •7.1.2 dhc_discover()
- •7.1.3 dhc_set_callback()
- •7.1.4 dhc_halt()
- •7.1.5 dhc_second()
- •Low-overhead UDP Functions
- •8.1 UDP functions
- •8.1.1 udp_alloc()
- •8.1.2 udp_close()
- •8.1.3 udp_open()
- •8.1.4 udp_send()
- •8.1.5 udp_socket()
- •Sockets
- •9.1 ARM implementation of sockets
- •9.2 Socket API reference
- •9.2.1 t_accept()
- •9.2.2 t_bind()
- •9.2.3 t_connect()
- •9.2.4 t_errno()
- •9.2.5 t_getpeername()
- •9.2.6 t_getsockname()
- •9.2.7 t_getsockopt()
- •9.2.8 t_listen()
- •9.2.9 t_recv() and t_recvfrom()
- •9.2.10 t_select()
- •9.2.11 t_send() and t_sendto()
- •9.2.12 t_setsockopt()
- •9.2.13 t_shutdown()
- •9.2.14 t_socket()
- •9.2.15 t_socketclose()
- •ARM-specific Functions
- •10.1 ARM directories
- •10.1.1 armthumb
- •10.2 cksum.s
- •10.3 clock.c
- •10.3.1 clock_init()
- •10.3.2 clock_c()
- •10.4 delay.s
- •10.5 dtrap.s
- •10.6 except.s
- •10.7.1 ENTER_CRIT_SECTION() and EXIT_CRIT_SECTION()
- •10.7.2 irqDispatch()
- •10.7.3 irq_Enable() and irq_Disable()
- •10.7.4 irqInit()
- •10.8 lswap.s
- •10.10 olicom.c
- •10.11 pcmcia.c
- •10.12 stack.s
- •10.13 uart.c description
- •10.14 uart.c ring buffer management functions
- •10.14.1 ring_add()
- •10.14.2 ring_avail()
- •10.14.3 ring_new()
- •10.14.4 ring_remove()
- •10.14.5 ring_space()
- •10.15 uart.c interface functions
- •10.15.1 uart_getc()
- •10.15.2 uart_DCD()
- •10.15.3 uart_delay()
- •10.15.4 uart_do_irq()
- •10.15.5 uart_init()
- •10.15.6 uart_irq()
- •10.15.7 uart_putc()
- •10.15.8 uart_ready()
- •10.15.9 uart_reset()
- •10.15.10 uart_setup()
- •10.15.11 uart_stats()
- •10.16 uart.c debug TTY interface functions
- •10.16.1 dputchar()
- •10.16.2 getch()
- •10.16.3 kbhit()
- •Miscellaneous Library Functions
- •11.1 app_ping.c
- •11.2 in_utils.c
- •11.2.1 con_page()
- •11.2.2 hexdump()
- •11.2.3 nextarg()
- •11.2.4 ns_printf()
- •11.2.5 panic()
- •11.2.6 print_eth()
- •11.2.7 print_ipad()
- •11.2.8 print_uptime()
- •11.2.11 sysuptime()
- •11.2.12 uslash()
- •11.3 memman.c
- •11.4 menus.c, menulib.c, and nrmenus.c
- •11.5 nextcarg.c
- •11.5.1 nextcarg()
- •11.6 nvfsio.c
- •11.6.1 Overview
- •11.6.2 nv_fclose()
- •11.6.3 nv_fgets()
- •11.6.4 nv_fopen()
- •11.6.5 nv_fprintf()
- •11.6.6 nv_fwrite()
- •11.6.7 nv_initialize()
- •11.6.8 nv_writeflash()
- •11.7 nvparms.c
- •11.8 parseip.c
- •11.8.1 parseip()
- •11.9 reshost.c
- •11.9.1 in_reshost()
- •11.10 strilib.c
- •11.11 strlib.c
- •11.12 tcp_echo.c
- •11.13 ttyio.c
- •11.14 udp_echo.c
- •11.15 userpass.c
- •11.15.1 add_user()
- •11.15.2 check_permit()
- •Example Applications
- •12.1 Overview of the examples
- •12.1.1 Requirements
- •12.1.2 Building projects
- •12.1.3 Running the examples
- •12.2 Example descriptions
- •12.2.1 chargen
- •12.2.2 loopback
- •12.2.3 maildemo
- •12.2.4 menus
- •Error Codes
- •A.1 ENP_ error codes
- •A.2 Socket error codes
Chapter 11
Miscellaneous Library Functions
This chapter describes the assortment of functions that are found in the \misclib directory. These functions perform a variety of tasks that are used by the example programs, and by the TCP/IP stack. You might not need all, or any, of these functions in your final system. These functions enable you to perform a sample port, but they do not comprise part of the supported product.
This chapter includes the following sections:
•app_ping.c on page 11-3
•in_utils.c on page 11-4
•memman.c on page 11-16
•menus.c, menulib.c, and nrmenus.c on page 11-17
•nextcarg.c on page 11-18
•nvfsio.c on page 11-19
•nvparms.c on page 11-27
•parseip.c on page 11-28
•reshost.c on page 11-29
•strilib.c on page 11-31
•strlib.c on page 11-32
•tcp_echo.c on page 11-33
ARM DUI 0079B |
Copyright © 1998 and 1999 ARM Limited. All rights reserved. |
11-1 |
Miscellaneous Library Functions
•ttyio.c on page 11-34
•udp_echo.c on page 11-35
•userpass.c on page 11-36.
11-2 |
Copyright © 1998 and 1999 ARM Limited. All rights reserved. |
ARM DUI 0079B |
Miscellaneous Library Functions
11.1app_ping.c
The functions within the app_ping.c file implement an interface to the ping facilities available in the \inet directory for the menus subsystem.
ARM DUI 0079B |
Copyright © 1998 and 1999 ARM Limited. All rights reserved. |
11-3 |
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