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Reformat net_lwip_webserver example.
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HiFiPhile
parent
91d69fa942
commit
d25ee82d3f
@ -48,12 +48,13 @@ try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00
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#include "dhserver.h"
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#include "dnserver.h"
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#include "httpd.h"
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#include "lwip/ethip6.h"
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#include "lwip/init.h"
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#include "lwip/timeouts.h"
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#include "lwip/ethip6.h"
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#include "httpd.h"
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#define INIT_IP4(a,b,c,d) { PP_HTONL(LWIP_MAKEU32(a,b,c,d)) }
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#define INIT_IP4(a, b, c, d) \
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{ PP_HTONL(LWIP_MAKEU32(a, b, c, d)) }
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/* lwip context */
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static struct netif netif_data;
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@ -64,44 +65,40 @@ static struct pbuf *received_frame;
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/* this is used by this code, ./class/net/net_driver.c, and usb_descriptors.c */
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/* ideally speaking, this should be generated from the hardware's unique ID (if available) */
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/* it is suggested that the first byte is 0x02 to indicate a link-local address */
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uint8_t tud_network_mac_address[6] = {0x02,0x02,0x84,0x6A,0x96,0x00};
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uint8_t tud_network_mac_address[6] = {0x02, 0x02, 0x84, 0x6A, 0x96, 0x00};
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/* network parameters of this MCU */
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static const ip4_addr_t ipaddr = INIT_IP4(192, 168, 7, 1);
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static const ip4_addr_t ipaddr = INIT_IP4(192, 168, 7, 1);
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static const ip4_addr_t netmask = INIT_IP4(255, 255, 255, 0);
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static const ip4_addr_t gateway = INIT_IP4(0, 0, 0, 0);
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/* database IP addresses that can be offered to the host; this must be in RAM to store assigned MAC addresses */
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static dhcp_entry_t entries[] =
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{
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/* mac ip address lease time */
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{ {0}, INIT_IP4(192, 168, 7, 2), 24 * 60 * 60 },
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{ {0}, INIT_IP4(192, 168, 7, 3), 24 * 60 * 60 },
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{ {0}, INIT_IP4(192, 168, 7, 4), 24 * 60 * 60 },
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static dhcp_entry_t entries[] = {
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/* mac ip address lease time */
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{{0}, INIT_IP4(192, 168, 7, 2), 24 * 60 * 60},
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{{0}, INIT_IP4(192, 168, 7, 3), 24 * 60 * 60},
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{{0}, INIT_IP4(192, 168, 7, 4), 24 * 60 * 60},
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};
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static const dhcp_config_t dhcp_config =
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{
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.router = INIT_IP4(0, 0, 0, 0), /* router address (if any) */
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.port = 67, /* listen port */
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.dns = INIT_IP4(192, 168, 7, 1), /* dns server (if any) */
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"usb", /* dns suffix */
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TU_ARRAY_SIZE(entries), /* num entry */
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entries /* entries */
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static const dhcp_config_t dhcp_config = {
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.router = INIT_IP4(0, 0, 0, 0), /* router address (if any) */
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.port = 67, /* listen port */
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.dns = INIT_IP4(192, 168, 7, 1), /* dns server (if any) */
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"usb", /* dns suffix */
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TU_ARRAY_SIZE(entries), /* num entry */
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entries /* entries */
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};
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static err_t linkoutput_fn(struct netif *netif, struct pbuf *p)
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{
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(void)netif;
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for (;;)
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{
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static err_t linkoutput_fn(struct netif *netif, struct pbuf *p) {
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(void) netif;
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for (;;) {
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/* if TinyUSB isn't ready, we must signal back to lwip that there is nothing we can do */
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if (!tud_ready())
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return ERR_USE;
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/* if the network driver can accept another packet, we make it happen */
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if (tud_network_can_xmit(p->tot_len))
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{
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if (tud_network_can_xmit(p->tot_len)) {
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tud_network_xmit(p, 0 /* unused for this example */);
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return ERR_OK;
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}
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@ -111,20 +108,17 @@ static err_t linkoutput_fn(struct netif *netif, struct pbuf *p)
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}
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}
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static err_t ip4_output_fn(struct netif *netif, struct pbuf *p, const ip4_addr_t *addr)
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{
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static err_t ip4_output_fn(struct netif *netif, struct pbuf *p, const ip4_addr_t *addr) {
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return etharp_output(netif, p, addr);
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}
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#if LWIP_IPV6
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static err_t ip6_output_fn(struct netif *netif, struct pbuf *p, const ip6_addr_t *addr)
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{
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static err_t ip6_output_fn(struct netif *netif, struct pbuf *p, const ip6_addr_t *addr) {
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return ethip6_output(netif, p, addr);
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}
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#endif
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static err_t netif_init_cb(struct netif *netif)
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{
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static err_t netif_init_cb(struct netif *netif) {
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LWIP_ASSERT("netif != NULL", (netif != NULL));
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netif->mtu = CFG_TUD_NET_MTU;
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netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP | NETIF_FLAG_UP;
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@ -139,8 +133,7 @@ static err_t netif_init_cb(struct netif *netif)
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return ERR_OK;
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}
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static void init_lwip(void)
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{
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static void init_lwip(void) {
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struct netif *netif = &netif_data;
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lwip_init();
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@ -158,28 +151,23 @@ static void init_lwip(void)
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}
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/* handle any DNS requests from dns-server */
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bool dns_query_proc(const char *name, ip4_addr_t *addr)
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{
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if (0 == strcmp(name, "tiny.usb"))
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{
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bool dns_query_proc(const char *name, ip4_addr_t *addr) {
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if (0 == strcmp(name, "tiny.usb")) {
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*addr = ipaddr;
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return true;
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}
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return false;
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}
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bool tud_network_recv_cb(const uint8_t *src, uint16_t size)
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{
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bool tud_network_recv_cb(const uint8_t *src, uint16_t size) {
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/* this shouldn't happen, but if we get another packet before
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parsing the previous, we must signal our inability to accept it */
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if (received_frame) return false;
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if (size)
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{
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if (size) {
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struct pbuf *p = pbuf_alloc(PBUF_RAW, size, PBUF_POOL);
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if (p)
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{
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if (p) {
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/* pbuf_alloc() has already initialized struct; all we need to do is copy the data */
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memcpy(p->payload, src, size);
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@ -191,20 +179,17 @@ bool tud_network_recv_cb(const uint8_t *src, uint16_t size)
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return true;
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}
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uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg)
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{
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struct pbuf *p = (struct pbuf *)ref;
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uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) {
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struct pbuf *p = (struct pbuf *) ref;
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(void)arg; /* unused for this example */
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(void) arg; /* unused for this example */
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return pbuf_copy_partial(p, dst, p->tot_len, 0);
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}
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static void service_traffic(void)
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{
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static void service_traffic(void) {
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/* handle any packet received by tud_network_recv_cb() */
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if (received_frame)
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{
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if (received_frame) {
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ethernet_input(received_frame, &netif_data);
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pbuf_free(received_frame);
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received_frame = NULL;
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@ -214,18 +199,15 @@ static void service_traffic(void)
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sys_check_timeouts();
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}
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void tud_network_init_cb(void)
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{
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void tud_network_init_cb(void) {
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/* if the network is re-initializing and we have a leftover packet, we must do a cleanup */
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if (received_frame)
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{
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if (received_frame) {
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pbuf_free(received_frame);
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received_frame = NULL;
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}
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}
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int main(void)
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{
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int main(void) {
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/* initialize TinyUSB */
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board_init();
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@ -243,8 +225,8 @@ int main(void)
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while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK);
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httpd_init();
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while (1)
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{
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while (1) {
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tud_task();
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service_traffic();
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}
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@ -253,17 +235,14 @@ int main(void)
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}
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/* lwip has provision for using a mutex, when applicable */
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sys_prot_t sys_arch_protect(void)
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{
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sys_prot_t sys_arch_protect(void) {
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return 0;
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}
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void sys_arch_unprotect(sys_prot_t pval)
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{
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(void)pval;
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void sys_arch_unprotect(sys_prot_t pval) {
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(void) pval;
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}
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/* lwip needs a millisecond time source, and the TinyUSB board support code has one available */
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uint32_t sys_now(void)
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{
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uint32_t sys_now(void) {
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return board_millis();
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}
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@ -27,21 +27,23 @@
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#define _TUSB_CONFIG_H_
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#ifdef __cplusplus
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extern "C" {
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extern "C" {
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#endif
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#include "lwipopts.h"
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//--------------------------------------------------------------------+
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// Board Specific Configuration
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//--------------------------------------------------------------------+
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// RHPort number used for device can be defined by board.mk, default to port 0
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#ifndef BOARD_TUD_RHPORT
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#define BOARD_TUD_RHPORT 0
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#define BOARD_TUD_RHPORT 0
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#endif
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// RHPort max operational speed can defined by board.mk
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#ifndef BOARD_TUD_MAX_SPEED
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#define BOARD_TUD_MAX_SPEED OPT_MODE_DEFAULT_SPEED
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#define BOARD_TUD_MAX_SPEED OPT_MODE_DEFAULT_SPEED
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#endif
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//--------------------------------------------------------------------
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@ -50,22 +52,22 @@
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// defined by compiler flags for flexibility
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#ifndef CFG_TUSB_MCU
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#error CFG_TUSB_MCU must be defined
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#error CFG_TUSB_MCU must be defined
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#endif
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#ifndef CFG_TUSB_OS
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#define CFG_TUSB_OS OPT_OS_NONE
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#define CFG_TUSB_OS OPT_OS_NONE
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#endif
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#ifndef CFG_TUSB_DEBUG
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#define CFG_TUSB_DEBUG 0
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#define CFG_TUSB_DEBUG 0
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#endif
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// Enable Device stack
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#define CFG_TUD_ENABLED 1
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#define CFG_TUD_ENABLED 1
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// Default is max speed that hardware controller could support with on-chip PHY
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#define CFG_TUD_MAX_SPEED BOARD_TUD_MAX_SPEED
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#define CFG_TUD_MAX_SPEED BOARD_TUD_MAX_SPEED
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/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment.
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* Tinyusb use follows macros to declare transferring memory so that they can be put
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@ -75,21 +77,33 @@
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* - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4)))
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*/
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#ifndef CFG_TUSB_MEM_SECTION
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#define CFG_TUSB_MEM_SECTION
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#define CFG_TUSB_MEM_SECTION
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#endif
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#ifndef CFG_TUSB_MEM_ALIGN
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#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4)))
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#define CFG_TUSB_MEM_ALIGN __attribute__((aligned(4)))
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#endif
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// number of NCM transfer blocks for reception side (only valid if NCM is selected below)
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//--------------------------------------------------------------------
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// NCM CLASS CONFIGURATION, SEE "ncm.h" FOR PERFORMANCE TUNNING
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//--------------------------------------------------------------------
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// Must be >> MTU
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// Can be set to 2048 without impact
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#define CFG_TUD_NCM_IN_NTB_MAX_SIZE (2 * TCP_MSS + 100)
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// Must be >> MTU
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// Can be set to smaller values if wNtbOutMaxDatagrams==1
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#define CFG_TUD_NCM_OUT_NTB_MAX_SIZE (2 * TCP_MSS + 100)
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// Number of NCM transfer blocks for reception side
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#ifndef CFG_TUD_NCM_OUT_NTB_N
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#define CFG_TUD_NCM_OUT_NTB_N 2
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#define CFG_TUD_NCM_OUT_NTB_N 1
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#endif
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// number of NCM transfer blocks for transmission side (only valid if NCM is selected below)
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// Number of NCM transfer blocks for transmission side
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#ifndef CFG_TUD_NCM_IN_NTB_N
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#define CFG_TUD_NCM_IN_NTB_N 3
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#define CFG_TUD_NCM_IN_NTB_N 1
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#endif
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//--------------------------------------------------------------------
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@ -97,18 +111,18 @@
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//--------------------------------------------------------------------
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#ifndef CFG_TUD_ENDPOINT0_SIZE
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#define CFG_TUD_ENDPOINT0_SIZE 64
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#define CFG_TUD_ENDPOINT0_SIZE 64
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#endif
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//------------- CLASS -------------//
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// Network class has 2 drivers: ECM/RNDIS and NCM.
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// Only one of the drivers can be enabled
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#define CFG_TUD_ECM_RNDIS 1
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#define CFG_TUD_NCM (1-CFG_TUD_ECM_RNDIS)
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#define CFG_TUD_ECM_RNDIS 1
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#define CFG_TUD_NCM (1 - CFG_TUD_ECM_RNDIS)
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#ifdef __cplusplus
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}
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}
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#endif
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#endif /* _TUSB_CONFIG_H_ */
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