From d25ee82d3f689dcf22e44246b61f58756195581d Mon Sep 17 00:00:00 2001 From: HiFiPhile Date: Tue, 7 May 2024 00:17:09 +0200 Subject: [PATCH] Reformat net_lwip_webserver example. --- examples/device/net_lwip_webserver/src/main.c | 113 +++++++----------- .../net_lwip_webserver/src/tusb_config.h | 50 +++++--- 2 files changed, 78 insertions(+), 85 deletions(-) diff --git a/examples/device/net_lwip_webserver/src/main.c b/examples/device/net_lwip_webserver/src/main.c index 7d98aacbc..e6f5faeb6 100644 --- a/examples/device/net_lwip_webserver/src/main.c +++ b/examples/device/net_lwip_webserver/src/main.c @@ -48,12 +48,13 @@ try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00 #include "dhserver.h" #include "dnserver.h" +#include "httpd.h" +#include "lwip/ethip6.h" #include "lwip/init.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 */ static struct netif netif_data; @@ -64,44 +65,40 @@ static struct pbuf *received_frame; /* this is used by this code, ./class/net/net_driver.c, and usb_descriptors.c */ /* ideally speaking, this should be generated from the hardware's unique ID (if available) */ /* it is suggested that the first byte is 0x02 to indicate a link-local address */ -uint8_t tud_network_mac_address[6] = {0x02,0x02,0x84,0x6A,0x96,0x00}; +uint8_t tud_network_mac_address[6] = {0x02, 0x02, 0x84, 0x6A, 0x96, 0x00}; /* network parameters of this MCU */ -static const ip4_addr_t ipaddr = INIT_IP4(192, 168, 7, 1); +static const ip4_addr_t ipaddr = INIT_IP4(192, 168, 7, 1); static const ip4_addr_t netmask = INIT_IP4(255, 255, 255, 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 */ -static dhcp_entry_t entries[] = -{ - /* mac ip address lease time */ - { {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, 4), 24 * 60 * 60 }, +static dhcp_entry_t entries[] = { + /* mac ip address lease time */ + {{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, 4), 24 * 60 * 60}, }; -static const dhcp_config_t dhcp_config = -{ - .router = INIT_IP4(0, 0, 0, 0), /* router address (if any) */ - .port = 67, /* listen port */ - .dns = INIT_IP4(192, 168, 7, 1), /* dns server (if any) */ - "usb", /* dns suffix */ - TU_ARRAY_SIZE(entries), /* num entry */ - entries /* entries */ +static const dhcp_config_t dhcp_config = { + .router = INIT_IP4(0, 0, 0, 0), /* router address (if any) */ + .port = 67, /* listen port */ + .dns = INIT_IP4(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; - for (;;) - { +static err_t linkoutput_fn(struct netif *netif, struct pbuf *p) { + (void) netif; + + for (;;) { /* if TinyUSB isn't ready, we must signal back to lwip that there is nothing we can do */ if (!tud_ready()) return ERR_USE; /* 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 */); 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); } #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); } #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)); netif->mtu = CFG_TUD_NET_MTU; 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; } -static void init_lwip(void) -{ +static void init_lwip(void) { struct netif *netif = &netif_data; lwip_init(); @@ -158,28 +151,23 @@ static void init_lwip(void) } /* handle any DNS requests from dns-server */ -bool dns_query_proc(const char *name, ip4_addr_t *addr) -{ - if (0 == strcmp(name, "tiny.usb")) - { +bool dns_query_proc(const char *name, ip4_addr_t *addr) { + if (0 == strcmp(name, "tiny.usb")) { *addr = ipaddr; return true; } 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 parsing the previous, we must signal our inability to accept it */ if (received_frame) return false; - if (size) - { + if (size) { 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 */ memcpy(p->payload, src, size); @@ -191,20 +179,17 @@ bool tud_network_recv_cb(const uint8_t *src, uint16_t size) return true; } -uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) -{ - struct pbuf *p = (struct pbuf *)ref; +uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) { + struct pbuf *p = (struct pbuf *) ref; - (void)arg; /* unused for this example */ + (void) arg; /* unused for this example */ 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() */ - if (received_frame) - { + if (received_frame) { ethernet_input(received_frame, &netif_data); pbuf_free(received_frame); received_frame = NULL; @@ -214,18 +199,15 @@ static void service_traffic(void) 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 (received_frame) - { + if (received_frame) { pbuf_free(received_frame); received_frame = NULL; } } -int main(void) -{ +int main(void) { /* initialize TinyUSB */ board_init(); @@ -243,8 +225,8 @@ int main(void) while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK); httpd_init(); - while (1) - { + + while (1) { tud_task(); service_traffic(); } @@ -253,17 +235,14 @@ int main(void) } /* 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; } -void sys_arch_unprotect(sys_prot_t pval) -{ - (void)pval; +void sys_arch_unprotect(sys_prot_t pval) { + (void) pval; } /* 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(); } diff --git a/examples/device/net_lwip_webserver/src/tusb_config.h b/examples/device/net_lwip_webserver/src/tusb_config.h index 841525cad..e0db3113c 100644 --- a/examples/device/net_lwip_webserver/src/tusb_config.h +++ b/examples/device/net_lwip_webserver/src/tusb_config.h @@ -27,21 +27,23 @@ #define _TUSB_CONFIG_H_ #ifdef __cplusplus - extern "C" { +extern "C" { #endif +#include "lwipopts.h" + //--------------------------------------------------------------------+ // Board Specific Configuration //--------------------------------------------------------------------+ // RHPort number used for device can be defined by board.mk, default to port 0 #ifndef BOARD_TUD_RHPORT -#define BOARD_TUD_RHPORT 0 + #define BOARD_TUD_RHPORT 0 #endif // RHPort max operational speed can defined by board.mk #ifndef BOARD_TUD_MAX_SPEED -#define BOARD_TUD_MAX_SPEED OPT_MODE_DEFAULT_SPEED + #define BOARD_TUD_MAX_SPEED OPT_MODE_DEFAULT_SPEED #endif //-------------------------------------------------------------------- @@ -50,22 +52,22 @@ // defined by compiler flags for flexibility #ifndef CFG_TUSB_MCU -#error CFG_TUSB_MCU must be defined + #error CFG_TUSB_MCU must be defined #endif #ifndef CFG_TUSB_OS -#define CFG_TUSB_OS OPT_OS_NONE + #define CFG_TUSB_OS OPT_OS_NONE #endif #ifndef CFG_TUSB_DEBUG -#define CFG_TUSB_DEBUG 0 + #define CFG_TUSB_DEBUG 0 #endif // Enable Device stack -#define CFG_TUD_ENABLED 1 +#define CFG_TUD_ENABLED 1 // Default is max speed that hardware controller could support with on-chip PHY -#define CFG_TUD_MAX_SPEED BOARD_TUD_MAX_SPEED +#define CFG_TUD_MAX_SPEED BOARD_TUD_MAX_SPEED /* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment. * Tinyusb use follows macros to declare transferring memory so that they can be put @@ -75,21 +77,33 @@ * - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4))) */ #ifndef CFG_TUSB_MEM_SECTION -#define CFG_TUSB_MEM_SECTION + #define CFG_TUSB_MEM_SECTION #endif #ifndef CFG_TUSB_MEM_ALIGN -#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4))) + #define CFG_TUSB_MEM_ALIGN __attribute__((aligned(4))) #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 -#define CFG_TUD_NCM_OUT_NTB_N 2 + #define CFG_TUD_NCM_OUT_NTB_N 1 #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 -#define CFG_TUD_NCM_IN_NTB_N 3 + #define CFG_TUD_NCM_IN_NTB_N 1 #endif //-------------------------------------------------------------------- @@ -97,18 +111,18 @@ //-------------------------------------------------------------------- #ifndef CFG_TUD_ENDPOINT0_SIZE -#define CFG_TUD_ENDPOINT0_SIZE 64 + #define CFG_TUD_ENDPOINT0_SIZE 64 #endif //------------- CLASS -------------// // Network class has 2 drivers: ECM/RNDIS and NCM. // Only one of the drivers can be enabled -#define CFG_TUD_ECM_RNDIS 1 -#define CFG_TUD_NCM (1-CFG_TUD_ECM_RNDIS) +#define CFG_TUD_ECM_RNDIS 1 +#define CFG_TUD_NCM (1 - CFG_TUD_ECM_RNDIS) #ifdef __cplusplus - } +} #endif #endif /* _TUSB_CONFIG_H_ */