mirror of
https://github.com/google/pebble.git
synced 2025-05-11 20:11:42 -04:00
61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
/*
|
|
* Copyright 2024 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
|
|
#include "drivers/otp.h"
|
|
|
|
// These sizes represent the number of characters in the version
|
|
// strings and serial numbers. To store these, one additional byte is
|
|
// needed to store the null-terminator.
|
|
#define MFG_HW_VERSION_SIZE 9
|
|
#define MFG_SERIAL_NUMBER_SIZE 12
|
|
#define MFG_PCBA_SERIAL_NUMBER_SIZE 12
|
|
|
|
//! @return The last written final assembly serial number or "XXXXXXXXXXXX" if
|
|
//! no serial number has been written.
|
|
const char* mfg_get_serial_number(void);
|
|
const char* mfg_get_hw_version(void);
|
|
const char* mfg_get_pcba_serial_number(void);
|
|
|
|
typedef enum MfgSerialsResult {
|
|
MfgSerialsResultSuccess = OtpWriteSuccess,
|
|
MfgSerialsResultAlreadyWritten = OtpWriteFailAlreadyWritten,
|
|
MfgSerialsResultCorrupt = OtpWriteFailCorrupt,
|
|
MfgSerialsResultFailIncorrectLength = 3,
|
|
MfgSerialsResultFailNoMoreSpace = 4,
|
|
} MfgSerialsResult;
|
|
|
|
//! Writes a new final assembly serial number to OTP.
|
|
//! There are 3 slots for serial numbers. The last written one is returned
|
|
//! from the \ref mfg_get_serial_number() function.
|
|
//! @param serial The serial number (zero-terminated string) to be written
|
|
//! @param serial_size The length of the buffer in bytes including terminating
|
|
//! zero. Must be 13.
|
|
//! @param[out] out_index Will contain the OTP index that was used to write the
|
|
//! serial number, if the return value was OtpWriteSuccess.
|
|
//! @return OtpWriteSuccess if the write was successfull or
|
|
//! MfgSerialsResultFailNoMoreSpace if all 3 slots were taken already, or
|
|
//! MfgSerialsResultFailIncorrectLength if the serial_size was not 13.
|
|
MfgSerialsResult mfg_write_serial_number(const char* serial, size_t serial_size, uint8_t *out_index);
|
|
|
|
#if defined(IS_BIGBOARD)
|
|
//! Writes a fake serial number based on the unique identifier of the MCU
|
|
void mfg_write_bigboard_serial_number(void);
|
|
#endif
|