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@@ -32,6 +32,16 @@ RNDIS should be valid on Linux and Windows hosts, and CDC-ECM should be valid on
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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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*/
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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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+and likely their manufacturer has not tested such functionality. Some code workarounds could be tried:
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+
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+The smartphone may only have an ECM driver, but refuse to automatically pick ECM (unlike the OSes above);
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+try modifying ./examples/devices/net_lwip_webserver/usb_descriptors.c so that CONFIG_ID_ECM is default.
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+
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+The smartphone may be artificially picky about which Ethernet MAC address to recognize; if this happens,
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+try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00 (clearing bit 1).
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+*/
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#include "bsp/board.h"
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#include "tusb.h"
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@@ -50,7 +60,7 @@ 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 two bytes are 0x02,0x02 to indicate a link-local address */
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+/* it is suggested that the first byte is 0x02 to indicate a link-local address */
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const 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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Ha Thach