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net_lwip_webserver: efficiency tweaks

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This commit is contained in:
Peter Lawrence
2020-10-14 20:26:40 -05:00
parent 41083cb67a
commit 56277ce216
4 changed files with 38 additions and 37 deletions
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4
examples/device/net_lwip_webserver/src/lwipopts.h
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@@ -35,7 +35,7 @@
/* Prevent having to link sys_arch.c (we don't test the API layers in unit tests) */
#define NO_SYS 1
#define MEM_ALIGNMENT 4
#define LWIP_RAW 1
#define LWIP_RAW 0
#define LWIP_NETCONN 0
#define LWIP_SOCKET 0
#define LWIP_DHCP 0
@@ -54,4 +54,6 @@
#define LWIP_HTTPD_SSI 0
#define LWIP_HTTPD_SSI_INCLUDE_TAG 0
#define LWIP_SINGLE_NETIF 1
#endif /* __LWIPOPTS_H__ */

21
examples/device/net_lwip_webserver/src/main.c
View File

@@ -71,22 +71,21 @@ static const ip_addr_t gateway = IPADDR4_INIT_BYTES(0, 0, 0, 0);
/* database IP addresses that can be offered to the host; this must be in RAM to store assigned MAC addresses */
static dhcp_entry_t entries[] =
{
/* mac ip address subnet mask lease time */
{ {0}, {192, 168, 7, 2}, {255, 255, 255, 0}, 24 * 60 * 60 },
{ {0}, {192, 168, 7, 3}, {255, 255, 255, 0}, 24 * 60 * 60 },
{ {0}, {192, 168, 7, 4}, {255, 255, 255, 0}, 24 * 60 * 60 }
/* mac ip address lease time */
{ {0}, IPADDR4_INIT_BYTES(192, 168, 7, 2), 24 * 60 * 60 },
{ {0}, IPADDR4_INIT_BYTES(192, 168, 7, 3), 24 * 60 * 60 },
{ {0}, IPADDR4_INIT_BYTES(192, 168, 7, 4), 24 * 60 * 60 },
};
/* DHCP configuration parameters, leveraging "entries" above */
static const dhcp_config_t dhcp_config =
{
{192, 168, 7, 1}, 67, /* server address (self), port */
{192, 168, 7, 1}, /* dns server (self) */
"usb", /* dns suffix */
TU_ARRAY_SIZE(entries), /* number of entries */
entries /* pointer to entries */
.router = IPADDR4_INIT_BYTES(0, 0, 0, 0), /* router address (if any) */
.port = 67, /* listen port */
.dns = IPADDR4_INIT_BYTES(192, 168, 7, 1), /* dns server (if any) */
"usb", /* dns suffix */
TU_ARRAY_SIZE(entries), /* num entry */
entries /* entries */
};
static err_t linkoutput_fn(struct netif *netif, struct pbuf *p)
{
(void)netif;