Merge branch 'master' into fork/james-advatek/stm32n657nucleo
This commit is contained in:
@@ -2,6 +2,9 @@
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# Common make definition for all examples
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# ---------------------------------------
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# upper helper function
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to_upper = $(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$(subst -,_,$(1))))))))))))))))))))))))))))
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#-------------------------------------------------------------
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# Toolchain
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# Can be changed via TOOLCHAIN=gcc|iar or CC=arm-none-eabi-gcc|iccarm|clang
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@@ -109,7 +112,7 @@ INC += \
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$(TOP)/$(FAMILY_PATH) \
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$(TOP)/src \
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BOARD_UPPER = $(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$(subst -,_,$(BOARD))))))))))))))))))))))))))))
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BOARD_UPPER = $(call to_upper,$(BOARD))
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CFLAGS += -DBOARD_$(BOARD_UPPER)
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ifdef CFLAGS_CLI
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@@ -10,6 +10,7 @@ mcu:SAMD11
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mcu:STM32L0
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mcu:STM32F0
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mcu:KINETIS_KL
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mcu:STM32H7RS
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mcu:STM32N6
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family:broadcom_64bit
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family:broadcom_32bit
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@@ -58,6 +58,7 @@
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#define LWIP_HTTPD_SSI_INCLUDE_TAG 0
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#define LWIP_SINGLE_NETIF 1
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#define LWIP_NETIF_LINK_CALLBACK 1
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#define PBUF_POOL_SIZE 4
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@@ -31,6 +31,12 @@ this appears as either a RNDIS or CDC-ECM USB virtual network adapter; the OS pi
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RNDIS should be valid on Linux and Windows hosts, and CDC-ECM should be valid on Linux and macOS hosts
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The MCU appears to the host as IP address 192.168.7.1, and provides a DHCP server, DNS server, and web server.
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Link State Control:
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- Press the user button to toggle the network link state (UP/DOWN)
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- This simulates "ethernet cable unplugged/plugged" events
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- The host OS will see the network interface as disconnected/connected accordingly
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- Use this to test network error handling and recovery in host applications
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*/
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/*
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Some smartphones *may* work with this implementation as well, but likely have limited (broken) drivers,
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@@ -63,9 +69,6 @@ try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00
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/* lwip context */
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static struct netif netif_data;
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/* shared between tud_network_recv_cb() and service_traffic() */
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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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@@ -137,6 +140,12 @@ static err_t netif_init_cb(struct netif *netif) {
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return ERR_OK;
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}
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/* notifies the USB host about the link state change. */
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static void usbnet_netif_link_callback(struct netif *netif) {
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bool link_up = netif_is_link_up(netif);
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tud_network_link_state(BOARD_TUD_RHPORT, link_up);
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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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@@ -147,11 +156,19 @@ static void init_lwip(void) {
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memcpy(netif->hwaddr, tud_network_mac_address, sizeof(tud_network_mac_address));
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netif->hwaddr[5] ^= 0x01;
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netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, netif_init_cb, ip_input);
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netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, netif_init_cb, ethernet_input);
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#if LWIP_IPV6
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netif_create_ip6_linklocal_address(netif, 1);
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#endif
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netif_set_default(netif);
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#if LWIP_NETIF_LINK_CALLBACK
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// Set the link callback to notify USB host about link state changes
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netif_set_link_callback(netif, usbnet_netif_link_callback);
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netif_set_link_up(netif);
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#else
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tud_network_link_state(BOARD_TUD_RHPORT, true);
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#endif
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}
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/* handle any DNS requests from dns-server */
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@@ -164,20 +181,29 @@ bool dns_query_proc(const char *name, ip4_addr_t *addr) {
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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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struct netif *netif = &netif_data;
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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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/* 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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/* store away the pointer for service_traffic() to later handle */
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received_frame = p;
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if (p == NULL) {
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printf("ERROR: Failed to allocate pbuf of size %d\n", size);
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return false;
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}
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/* Copy buf to pbuf */
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pbuf_take(p, src, size);
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// Surrender ownership of our pbuf unless there was an error
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// Only call pbuf_free if not Ok else it will panic with "pbuf_free: p->ref > 0"
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// or steal it from whatever took ownership of it with undefined consequences.
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// See: https://savannah.nongnu.org/patch/index.php?10121
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if (netif->input(p, netif) != ERR_OK) {
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printf("ERROR: netif input failed\n");
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pbuf_free(p);
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}
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// Signal tinyusb that the current frame has been processed.
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tud_network_recv_renew();
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}
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return true;
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@@ -191,29 +217,26 @@ uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) {
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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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/* handle any packet received by tud_network_recv_cb() */
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if (received_frame) {
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// Surrender ownership of our pbuf unless there was an error
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// Only call pbuf_free if not Ok else it will panic with "pbuf_free: p->ref > 0"
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// or steal it from whatever took ownership of it with undefined consequences.
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// See: https://savannah.nongnu.org/patch/index.php?10121
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if (ethernet_input(received_frame, &netif_data)!=ERR_OK) {
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pbuf_free(received_frame);
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static void handle_link_state_switch(void) {
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/* Check for button press to toggle link state */
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static bool last_link_state = true;
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static bool last_button_state = false;
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bool current_button_state = board_button_read();
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if (current_button_state && !last_button_state) {
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/* Button pressed - toggle link state */
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last_link_state = !last_link_state;
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if (last_link_state) {
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printf("Link state: UP\n");
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netif_set_link_up(&netif_data);
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} else {
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printf("Link state: DOWN\n");
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netif_set_link_down(&netif_data);
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}
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received_frame = NULL;
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tud_network_recv_renew();
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/* LWIP callback will notify USB host about the change */
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}
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last_button_state = current_button_state;
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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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/* 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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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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@@ -243,15 +266,23 @@ int main(void) {
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lwiperf_start_tcp_server_default(NULL, NULL);
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#endif
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#if CFG_TUD_NCM
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printf("USB NCM network interface initialized\n");
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#elif CFG_TUD_ECM_RNDIS
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printf("USB RNDIS/ECM network interface initialized\n");
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#endif
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while (1) {
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tud_task();
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service_traffic();
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sys_check_timeouts(); // service lwip
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handle_link_state_switch();
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}
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return 0;
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}
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/* lwip has provision for using a mutex, when applicable */
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/* This implementation is for single-threaded use only */
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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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@@ -85,6 +85,7 @@ extern "C" {
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#endif
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// Use different configurations to test all net devices (also due to resource limitations)
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#ifndef USE_ECM
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#if TU_CHECK_MCU(OPT_MCU_LPC15XX, OPT_MCU_LPC40XX, OPT_MCU_LPC51UXX, OPT_MCU_LPC54)
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#define USE_ECM 1
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#elif TU_CHECK_MCU(OPT_MCU_SAMD21, OPT_MCU_SAML21, OPT_MCU_SAML22)
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@@ -97,6 +98,7 @@ extern "C" {
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#define USE_ECM 0
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#define INCLUDE_IPERF
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#endif
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#endif
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//--------------------------------------------------------------------
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// NCM CLASS CONFIGURATION, SEE "ncm.h" FOR PERFORMANCE TUNING
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@@ -15,4 +15,5 @@ mcu:MAX3421
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mcu:STM32F4
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mcu:STM32F7
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mcu:STM32H7
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mcu:STM32H7RS
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mcu:STM32N6
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@@ -15,4 +15,5 @@ mcu:MAX3421
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mcu:STM32F4
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mcu:STM32F7
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mcu:STM32H7
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mcu:STM32H7RS
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mcu:STM32N6
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@@ -13,4 +13,5 @@ mcu:MAX3421
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mcu:STM32F4
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mcu:STM32F7
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mcu:STM32H7
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mcu:STM32H7RS
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mcu:STM32N6
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@@ -18,4 +18,5 @@ mcu:RAXXX
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mcu:STM32F4
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mcu:STM32F7
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mcu:STM32H7
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mcu:STM32H7RS
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mcu:STM32N6
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@@ -15,4 +15,5 @@ mcu:MAX3421
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mcu:STM32F4
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mcu:STM32F7
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mcu:STM32H7
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mcu:STM32H7RS
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mcu:STM32N6
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@@ -18,4 +18,5 @@ mcu:RAXXX
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mcu:STM32F4
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mcu:STM32F7
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mcu:STM32H7
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mcu:STM32H7RS
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mcu:STM32N6
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@@ -15,4 +15,5 @@ mcu:MAX3421
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mcu:STM32F4
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mcu:STM32F7
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mcu:STM32H7
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mcu:STM32H7RS
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mcu:STM32N6
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