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Added correct serial number to usb device

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Sebastian 2024-10-04 15:54:23 +02:00
parent 2d0a54eccc
commit 77394816df
1 changed files with 13 additions and 2 deletions
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15
firmware/src/main.rs
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@ -133,11 +133,22 @@ mod app {
let usb_serial = usbd_serial::SerialPort::new(unsafe { USB_BUS.as_ref().unwrap() });
let uid = signature::Uid::get();
let serial = unsafe {
let u_id0 = 0x1FFF_7A10 as *const u32;
let u_id2 = 0x1FFF_7A18 as *const u32;
defmt::debug!("UID0: {:x}", u_id0.read());
defmt::debug!("UID2: {:x}", u_id2.read());
// See https://community.st.com/t5/stm32-mcus-products/usb-bootloader-serial-number/td-p/432148
(u_id0.read() as u64 + u_id2.read() as u64) << 16
| (u_id2.read() as u64 & 0xFF00) >> 8
| (u_id2.read() as u64 & 0x00FF) << 8
};
static mut SERIAL: String<16> = String::new();
unsafe {
write!(SERIAL, "{}{:x}{:x}", uid.lot_num(), uid.x(), uid.y()).unwrap();
write!(SERIAL, "{:X}", serial).unwrap();
}
let usb_dev = unsafe {