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Merged
merged 2 commits into from
May 29, 2019
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Add USBCDC_ECM example #50

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6eecf43
Add USBCDC_ECM example
juhaylinen Apr 17, 2019
c972621
Update main.cpp
May 27, 2019
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11 changes: 11 additions & 0 deletions USB/USBCDC_ECM/README.md
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## USBCDC_ECM example
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One the API documentation merges, I'll update this README to point to it in a new PR.


The example sends an Ethernet frame that carries "Hello world" payload with a custom EtherType to the host PC. You can capture the frame by using a program called "Wireshark":

1. Flash the board, and ensure the target's USB is plugged into the PC.
2. Open Wireshark.
3. Click **Capture > Options** to select the correct capture interface.
4. Click **Capture > Start**.
5. Click captured packet from source address 12:34:56:78:9a:bc to see the "Hello world" payload.

**Note:** Because Windows doesn't provide native support for the USB CDC-ECM model, you must use third party drivers to use this class on Windows.
27 changes: 27 additions & 0 deletions USB/USBCDC_ECM/main.cpp
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#include "mbed.h"
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we dont include license headers to the code files? Like this one, we have this documented in our license guide. If anyone copies this, should also copy the copyright + license. PLease add

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I've checked some files, some have some don't . All should so please add it here and should be LGTM

#include "USBCDC_ECM.h"

/* Ethernet II frame */
typedef struct {
uint8_t dst_mac[6];
uint8_t src_mac[6];
uint16_t eth_type;
char payload[12];
} packet_t;

static packet_t packet = {
.dst_mac = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
.src_mac = {0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc},
.eth_type = 0xaaaa, /* unused EtherType */
.payload = "Hello world"
};

USBCDC_ECM ecm;

int main()
{
while (true) {
ecm.send((uint8_t *)&packet, sizeof(packet));
wait(1.0);
}
}
1 change: 1 addition & 0 deletions USB/USBCDC_ECM/mbed-os.lib
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https://github.com/ARMmbed/mbed-os/#0063e5de32fc575f061244c96ac60c41c07bd2e6