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OmniWheels
by 
Gustav Atmel
Stack-internal timers implementation. More...
Go to the source code of this file.
Functions | |
| static void | tcpip_tcp_timer (void *arg) |
| Timer callback function that calls tcp_tmr() and reschedules itself. | |
| void | tcp_timer_needed (void) |
| Called from TCP_REG when registering a new PCB: the reason is to have the TCP timer only running when there are active (or time-wait) PCBs. | |
| static void | cyclic_timer (void *arg) |
| Timer callback function that calls mld6_tmr() and reschedules itself. | |
| void | sys_timeouts_init (void) |
| Initialize this module. | |
| void | sys_timeout_debug (u32_t msecs, sys_timeout_handler handler, void *arg, const char *handler_name) void sys_timeout(u32_t msecs |
| Create a one-shot timer (aka timeout). | |
Variables | |
| struct lwip_cyclic_timer | lwip_cyclic_timers [] |
| This array contains all stack-internal cyclic timers. | |
| static struct sys_timeo * | next_timeout |
| The one and only timeout list. | |
| static int | tcpip_tcp_timer_active |
| global variable that shows if the tcp timer is currently scheduled or not | |
Detailed Description
Stack-internal timers implementation.
This file includes timer callbacks for stack-internal timers as well as functions to set up or stop timers and check for expired timers.
Definition in file lwip_timeouts.c.
Function Documentation
| static void cyclic_timer | ( | void * | arg ) | [static] |
Timer callback function that calls mld6_tmr() and reschedules itself.
- Parameters:
-
arg unused argument
Definition at line 164 of file lwip_timeouts.c.
| void sys_timeout_debug | ( | u32_t | msecs, |
| sys_timeout_handler | handler, | ||
| void * | arg, | ||
| const char * | handler_name | ||
| ) |
Create a one-shot timer (aka timeout).
Timeouts are processed in the following cases:
- while waiting for a message using sys_timeouts_mbox_fetch()
- by calling sys_check_timeouts() (NO_SYS==1 only)
- Parameters:
-
msecs time in milliseconds after that the timer should expire handler callback function to call when msecs have elapsed arg argument to pass to the callback function
| void sys_timeouts_init | ( | void | ) |
Initialize this module.
Definition at line 175 of file lwip_timeouts.c.
| void tcp_timer_needed | ( | void | ) |
Called from TCP_REG when registering a new PCB: the reason is to have the TCP timer only running when there are active (or time-wait) PCBs.
External function (implemented in timers.c), called when TCP detects that a timer is needed (i.e.
Definition at line 147 of file lwip_timeouts.c.
| static void tcpip_tcp_timer | ( | void * | arg ) | [static] |
Timer callback function that calls tcp_tmr() and reschedules itself.
- Parameters:
-
arg unused argument
Definition at line 125 of file lwip_timeouts.c.
Variable Documentation
| struct lwip_cyclic_timer lwip_cyclic_timers[] |
This array contains all stack-internal cyclic timers.
To get the number of timers, use LWIP_ARRAYSIZE()
Definition at line 71 of file lwip_timeouts.c.
struct sys_timeo* next_timeout [static] |
The one and only timeout list.
Definition at line 112 of file lwip_timeouts.c.
int tcpip_tcp_timer_active [static] |
global variable that shows if the tcp timer is currently scheduled or not
Definition at line 117 of file lwip_timeouts.c.
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