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Reformat net_lwip_webserver example.

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HiFiPhile 2024-05-07 00:17:09 +02:00
parent 91d69fa942
commit d25ee82d3f
2 changed files with 78 additions and 85 deletions
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81
examples/device/net_lwip_webserver/src/main.c
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@ -48,12 +48,13 @@ try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00
#include "dhserver.h" #include "dhserver.h"
#include "dnserver.h" #include "dnserver.h"
#include "httpd.h"
#include "lwip/ethip6.h"
#include "lwip/init.h" #include "lwip/init.h"
#include "lwip/timeouts.h" #include "lwip/timeouts.h"
#include "lwip/ethip6.h"
#include "httpd.h"
#define INIT_IP4(a,b,c,d) { PP_HTONL(LWIP_MAKEU32(a,b,c,d)) } #define INIT_IP4(a, b, c, d) \
{ PP_HTONL(LWIP_MAKEU32(a, b, c, d)) }
/* lwip context */ /* lwip context */
static struct netif netif_data; static struct netif netif_data;
@ -72,16 +73,14 @@ static const ip4_addr_t netmask = INIT_IP4(255, 255, 255, 0);
static const ip4_addr_t gateway = INIT_IP4(0, 0, 0, 0); static const ip4_addr_t gateway = INIT_IP4(0, 0, 0, 0);
/* database IP addresses that can be offered to the host; this must be in RAM to store assigned MAC addresses */ /* 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[] = static dhcp_entry_t entries[] = {
{
/* mac ip address lease time */ /* mac ip address lease time */
{{0}, INIT_IP4(192, 168, 7, 2), 24 * 60 * 60}, {{0}, INIT_IP4(192, 168, 7, 2), 24 * 60 * 60},
{{0}, INIT_IP4(192, 168, 7, 3), 24 * 60 * 60}, {{0}, INIT_IP4(192, 168, 7, 3), 24 * 60 * 60},
{{0}, INIT_IP4(192, 168, 7, 4), 24 * 60 * 60}, {{0}, INIT_IP4(192, 168, 7, 4), 24 * 60 * 60},
}; };
static const dhcp_config_t dhcp_config = static const dhcp_config_t dhcp_config = {
{
.router = INIT_IP4(0, 0, 0, 0), /* router address (if any) */ .router = INIT_IP4(0, 0, 0, 0), /* router address (if any) */
.port = 67, /* listen port */ .port = 67, /* listen port */
.dns = INIT_IP4(192, 168, 7, 1), /* dns server (if any) */ .dns = INIT_IP4(192, 168, 7, 1), /* dns server (if any) */
@ -89,19 +88,17 @@ static const dhcp_config_t dhcp_config =
TU_ARRAY_SIZE(entries), /* num entry */ TU_ARRAY_SIZE(entries), /* num entry */
entries /* entries */ entries /* entries */
}; };
static err_t linkoutput_fn(struct netif *netif, struct pbuf *p)
{ static err_t linkoutput_fn(struct netif *netif, struct pbuf *p) {
(void) netif; (void) netif;
for (;;) for (;;) {
{
/* if TinyUSB isn't ready, we must signal back to lwip that there is nothing we can do */ /* if TinyUSB isn't ready, we must signal back to lwip that there is nothing we can do */
if (!tud_ready()) if (!tud_ready())
return ERR_USE; return ERR_USE;
/* if the network driver can accept another packet, we make it happen */ /* if the network driver can accept another packet, we make it happen */
if (tud_network_can_xmit(p->tot_len)) if (tud_network_can_xmit(p->tot_len)) {
{
tud_network_xmit(p, 0 /* unused for this example */); tud_network_xmit(p, 0 /* unused for this example */);
return ERR_OK; return ERR_OK;
} }
@ -111,20 +108,17 @@ static err_t linkoutput_fn(struct netif *netif, struct pbuf *p)
} }
} }
static err_t ip4_output_fn(struct netif *netif, struct pbuf *p, const ip4_addr_t *addr) static err_t ip4_output_fn(struct netif *netif, struct pbuf *p, const ip4_addr_t *addr) {
{
return etharp_output(netif, p, addr); return etharp_output(netif, p, addr);
} }
#if LWIP_IPV6 #if LWIP_IPV6
static err_t ip6_output_fn(struct netif *netif, struct pbuf *p, const ip6_addr_t *addr) static err_t ip6_output_fn(struct netif *netif, struct pbuf *p, const ip6_addr_t *addr) {
{
return ethip6_output(netif, p, addr); return ethip6_output(netif, p, addr);
} }
#endif #endif
static err_t netif_init_cb(struct netif *netif) static err_t netif_init_cb(struct netif *netif) {
{
LWIP_ASSERT("netif != NULL", (netif != NULL)); LWIP_ASSERT("netif != NULL", (netif != NULL));
netif->mtu = CFG_TUD_NET_MTU; netif->mtu = CFG_TUD_NET_MTU;
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP | NETIF_FLAG_UP; netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP | NETIF_FLAG_UP;
@ -139,8 +133,7 @@ static err_t netif_init_cb(struct netif *netif)
return ERR_OK; return ERR_OK;
} }
static void init_lwip(void) static void init_lwip(void) {
{
struct netif *netif = &netif_data; struct netif *netif = &netif_data;
lwip_init(); lwip_init();
@ -158,28 +151,23 @@ static void init_lwip(void)
} }
/* handle any DNS requests from dns-server */ /* handle any DNS requests from dns-server */
bool dns_query_proc(const char *name, ip4_addr_t *addr) bool dns_query_proc(const char *name, ip4_addr_t *addr) {
{ if (0 == strcmp(name, "tiny.usb")) {
if (0 == strcmp(name, "tiny.usb"))
{
*addr = ipaddr; *addr = ipaddr;
return true; return true;
} }
return false; return false;
} }
bool tud_network_recv_cb(const uint8_t *src, uint16_t size) bool tud_network_recv_cb(const uint8_t *src, uint16_t size) {
{
/* this shouldn't happen, but if we get another packet before /* this shouldn't happen, but if we get another packet before
parsing the previous, we must signal our inability to accept it */ parsing the previous, we must signal our inability to accept it */
if (received_frame) return false; if (received_frame) return false;
if (size) if (size) {
{
struct pbuf *p = pbuf_alloc(PBUF_RAW, size, PBUF_POOL); struct pbuf *p = pbuf_alloc(PBUF_RAW, size, PBUF_POOL);
if (p) if (p) {
{
/* pbuf_alloc() has already initialized struct; all we need to do is copy the data */ /* pbuf_alloc() has already initialized struct; all we need to do is copy the data */
memcpy(p->payload, src, size); memcpy(p->payload, src, size);
@ -191,8 +179,7 @@ bool tud_network_recv_cb(const uint8_t *src, uint16_t size)
return true; return true;
} }
uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) {
{
struct pbuf *p = (struct pbuf *) ref; struct pbuf *p = (struct pbuf *) ref;
(void) arg; /* unused for this example */ (void) arg; /* unused for this example */
@ -200,11 +187,9 @@ uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg)
return pbuf_copy_partial(p, dst, p->tot_len, 0); return pbuf_copy_partial(p, dst, p->tot_len, 0);
} }
static void service_traffic(void) static void service_traffic(void) {
{
/* handle any packet received by tud_network_recv_cb() */ /* handle any packet received by tud_network_recv_cb() */
if (received_frame) if (received_frame) {
{
ethernet_input(received_frame, &netif_data); ethernet_input(received_frame, &netif_data);
pbuf_free(received_frame); pbuf_free(received_frame);
received_frame = NULL; received_frame = NULL;
@ -214,18 +199,15 @@ static void service_traffic(void)
sys_check_timeouts(); sys_check_timeouts();
} }
void tud_network_init_cb(void) void tud_network_init_cb(void) {
{
/* if the network is re-initializing and we have a leftover packet, we must do a cleanup */ /* if the network is re-initializing and we have a leftover packet, we must do a cleanup */
if (received_frame) if (received_frame) {
{
pbuf_free(received_frame); pbuf_free(received_frame);
received_frame = NULL; received_frame = NULL;
} }
} }
int main(void) int main(void) {
{
/* initialize TinyUSB */ /* initialize TinyUSB */
board_init(); board_init();
@ -243,8 +225,8 @@ int main(void)
while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK); while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK);
httpd_init(); httpd_init();
while (1)
{ while (1) {
tud_task(); tud_task();
service_traffic(); service_traffic();
} }
@ -253,17 +235,14 @@ int main(void)
} }
/* lwip has provision for using a mutex, when applicable */ /* lwip has provision for using a mutex, when applicable */
sys_prot_t sys_arch_protect(void) sys_prot_t sys_arch_protect(void) {
{
return 0; return 0;
} }
void sys_arch_unprotect(sys_prot_t pval) void sys_arch_unprotect(sys_prot_t pval) {
{
(void) pval; (void) pval;
} }
/* lwip needs a millisecond time source, and the TinyUSB board support code has one available */ /* lwip needs a millisecond time source, and the TinyUSB board support code has one available */
uint32_t sys_now(void) uint32_t sys_now(void) {
{
return board_millis(); return board_millis();
} }

22
examples/device/net_lwip_webserver/src/tusb_config.h
View File

@ -30,6 +30,8 @@
extern "C" { extern "C" {
#endif #endif
#include "lwipopts.h"
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
// Board Specific Configuration // Board Specific Configuration
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
@ -82,14 +84,26 @@
#define CFG_TUSB_MEM_ALIGN __attribute__((aligned(4))) #define CFG_TUSB_MEM_ALIGN __attribute__((aligned(4)))
#endif #endif
// number of NCM transfer blocks for reception side (only valid if NCM is selected below) //--------------------------------------------------------------------
// NCM CLASS CONFIGURATION, SEE "ncm.h" FOR PERFORMANCE TUNNING
//--------------------------------------------------------------------
// Must be >> MTU
// Can be set to 2048 without impact
#define CFG_TUD_NCM_IN_NTB_MAX_SIZE (2 * TCP_MSS + 100)
// Must be >> MTU
// Can be set to smaller values if wNtbOutMaxDatagrams==1
#define CFG_TUD_NCM_OUT_NTB_MAX_SIZE (2 * TCP_MSS + 100)
// Number of NCM transfer blocks for reception side
#ifndef CFG_TUD_NCM_OUT_NTB_N #ifndef CFG_TUD_NCM_OUT_NTB_N
#define CFG_TUD_NCM_OUT_NTB_N 2 #define CFG_TUD_NCM_OUT_NTB_N 1
#endif #endif
// number of NCM transfer blocks for transmission side (only valid if NCM is selected below) // Number of NCM transfer blocks for transmission side
#ifndef CFG_TUD_NCM_IN_NTB_N #ifndef CFG_TUD_NCM_IN_NTB_N
#define CFG_TUD_NCM_IN_NTB_N 3 #define CFG_TUD_NCM_IN_NTB_N 1
#endif #endif
//-------------------------------------------------------------------- //--------------------------------------------------------------------