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add serial and version info in USB description

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as for the main application firmware, the DFU bootloader firmware
now also has the unique chip ID as iSerial in the USB description,
and an additional empty USB configuration indicates the firmware
version (e.g. DFU bootloader version).
these are only visible when the device is in DFU mode.

Change-Id: I11a2cd8079fda374d816da180f39f1c33d10af60
This commit is contained in:
Kévin Redon
2019-11-18 20:06:05 +01:00
parent ac7e73a579
commit 5db9402a5f
3 changed files with 141 additions and 14 deletions
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firmware/atmel_softpack_libraries/usb/device/dfu/dfu_driver.c
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@@ -447,6 +447,7 @@ void USBDFU_Initialize(const USBDDriverDescriptors *pDescriptors)
/* We already start in DFU idle mode */
g_dfu->state = DFU_STATE_dfuIDLE;
set_usb_serial_str();
USBDDriver_Initialize(&usbdDriver, pDescriptors, if_altsettings);
USBD_Init();
USBD_Connect();