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Changed timer implementation a little (static- instead of global variables); minor layout changes to help beginners.

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This commit is contained in:
goldsimon 2007-10-06 16:54:23 +00:00
parent 831ad1fe53
commit e4543e2844
1 changed files with 32 additions and 38 deletions
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70
ports/msvc6/test.c
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@ -70,31 +70,39 @@ void shutdown_adapter(void);
void update_adapter(void); void update_adapter(void);
#if NO_SYS #if NO_SYS
/* functions used for timer execution */ /* port-defined functions used for timer execution */
void sys_init_timing(); void sys_init_timing();
u32_t sys_get_ms(); u32_t sys_get_ms();
#endif /* NO_SYS*/
/* globales variables for timer execution */ /* globales variables for netifs */
int last_time; /* THE ethernet interface */
int timerTcpFast, timerTcpSlow, timerArp; struct netif netif;
int timerDhcpFine, timerDhcpCoarse, timerIpReass; #if LWIP_HAVE_LOOPIF
int timerAutoIP, timerIgmp; /* THE loopback interface */
struct netif loop_netif;
#endif /* LWIP_HAVE_LOOPIF */
void timers_init()
#if NO_SYS
/* special functions used for NO_SYS=1 only */
static void
nosys_init()
{ {
last_time = clock(); sys_init_timing();
timerTcpFast = 0; lwip_init();
timerTcpSlow = 0;
timerArp = 0;
timerDhcpFine = 0;
timerDhcpCoarse = 0;
timerIpReass = 0;
timerAutoIP = 0;
timerIgmp = 0;
} }
void timers_update() /* get the current time and see if any timer has expired */
static void
timers_update()
{ {
/* static variables for timer execution, initialized to zero! */
static int last_time,
timerTcpFast, timerTcpSlow, timerArp,
timerDhcpFine, timerDhcpCoarse, timerIpReass,
timerAutoIP, timerIgmp;
int cur_time; int cur_time;
int time_diff; int time_diff;
@ -166,29 +174,12 @@ void timers_update()
} }
#endif /* LWIP_IGMP */ #endif /* LWIP_IGMP */
} }
void nosys_init()
{
lwip_init();
sys_init_timing();
timers_init();
}
#else /* NO_SYS */
#define timers_init()
#define timers_update()
#define nosys_init()
#endif /* NO_SYS */ #endif /* NO_SYS */
/* THE ethernet interface */
struct netif netif;
#if LWIP_HAVE_LOOPIF
/* THE loopback interface */
struct netif loop_netif;
#endif /* LWIP_HAVE_LOOPIF */
/* a simple multicast test */ /* a simple multicast test */
#if LWIP_UDP && LWIP_IGMP #if LWIP_UDP && LWIP_IGMP
void mcast_init(void) static void
mcast_init(void)
{ {
struct udp_pcb *pcb; struct udp_pcb *pcb;
struct pbuf* p; struct pbuf* p;
@ -220,7 +211,8 @@ void mcast_init(void)
#endif /* LWIP_UDP && LWIP_IGMP*/ #endif /* LWIP_UDP && LWIP_IGMP*/
/* This function initializes all network interfaces */ /* This function initializes all network interfaces */
void my_netif_init() static void
msvc_netif_init()
{ {
struct ip_addr ipaddr, netmask, gw; struct ip_addr ipaddr, netmask, gw;
#if LWIP_HAVE_LOOPIF #if LWIP_HAVE_LOOPIF
@ -270,7 +262,7 @@ void main_loop()
tcpip_init(0,0); tcpip_init(0,0);
#endif /* NO_SYS */ #endif /* NO_SYS */
my_netif_init(); msvc_netif_init();
#if LWIP_UDP && LWIP_IGMP #if LWIP_UDP && LWIP_IGMP
mcast_init(); mcast_init();
@ -282,8 +274,10 @@ void main_loop()
#endif /* LWIP_TCP */ #endif /* LWIP_TCP */
while (!_kbhit()) { while (!_kbhit()) {
#if NO_SYS
/* handle timers with NO_SYS=1 */ /* handle timers with NO_SYS=1 */
timers_update(); timers_update();
#endif /* NO_SYS */
/* check for packets */ /* check for packets */
update_adapter(); update_adapter();