Issues

• Open questions needing TI clarification or bench measurement

  help wantedquestion
  OpenDevicePartnership/bq40z50#88 · Filter by author felipebalbi opened on Sep 24, 2026

• Missing commands: GPIORead, GPIOWrite, StorageMode, RSOCWrite, WriteTemp and others are unreachable

  enhancementhelp wanted
  OpenDevicePartnership/bq40z50#87 · Filter by author felipebalbi opened on Sep 24, 2026

• Five minor manifest naming and whitespace defects

  good first issue
  OpenDevicePartnership/bq40z50#86 · Filter by author felipebalbi opened on Sep 24, 2026

• MfgInfo and MfgInfoB modelled as 4x u64 LE, byte-reversing each 8-byte group

  BREAKING CHANGEbug
  OpenDevicePartnership/bq40z50#85 · Filter by author felipebalbi opened on Sep 24, 2026

• ManufacturingStatus bit 15 named CAL_TEST; R3 onwards call it CAL_EN

  BREAKING CHANGEbuggood first issue
  OpenDevicePartnership/bq40z50#84 · Filter by author felipebalbi opened on Sep 24, 2026

• ChargingVoltageOverride fields declared u16; TRM types them Signed Int

  BREAKING CHANGEbug
  OpenDevicePartnership/bq40z50#83 · Filter by author felipebalbi opened on Sep 24, 2026

• Several existing tests assert nothing and would pass against a no-op driver

  enhancementgood first issue
  OpenDevicePartnership/bq40z50#82 · Filter by author felipebalbi opened on Sep 24, 2026

• Roughly 490 lines of transport logic duplicated between the two embassy-timeout cfg copies

  enhancement
  OpenDevicePartnership/bq40z50#81 · Filter by author felipebalbi opened on Sep 24, 2026

• Non-PEC data-flash reader short-reads the final chunk; PEC reader does not

  question
  OpenDevicePartnership/bq40z50#80 · Filter by author felipebalbi opened on Sep 24, 2026

• Data-flash writes commit chunks with no rollback, leaving flash half-updated on failure

  bug
  OpenDevicePartnership/bq40z50#79 · Filter by author felipebalbi opened on Sep 24, 2026

• MAC_GAUGE_STATUS_3 padded to 256 bits on an unrecorded bench claim; TRM says 192

  documentationquestion
  OpenDevicePartnership/bq40z50#78 · Filter by author felipebalbi opened on Sep 24, 2026

• MAC_CHEM_ID declared size_bits_out: 8, returning only the low byte of a 16-bit chem ID

  BREAKING CHANGEbuggood first issue
  OpenDevicePartnership/bq40z50#77 · Filter by author felipebalbi opened on Sep 24, 2026

• Data-flash address never bounds-checked against 0x4000-0x5FFF, and per-chunk address can overflow u16

  bug
  OpenDevicePartnership/bq40z50#76 · Filter by author felipebalbi opened on Sep 24, 2026

• Oversized caller slices panic or index out of bounds instead of returning DataTooLarge

  bug
  OpenDevicePartnership/bq40z50#75 · Filter by author felipebalbi opened on Sep 24, 2026

• Six read-only blocks omit access: RO, so write_async is generated for read-only registers

  BREAKING CHANGEbug
  OpenDevicePartnership/bq40z50#74 · Filter by author felipebalbi opened on Sep 24, 2026

• set_remaining_capacity_alarm and set_at_rate silently discard the mA/cW unit tag

  BREAKING CHANGEbug
  OpenDevicePartnership/bq40z50#73 · Filter by author felipebalbi opened on Sep 24, 2026

• set_battery_mode caches the capacity unit before the write, with no rollback on failure

  bug
  OpenDevicePartnership/bq40z50#72 · Filter by author felipebalbi opened on Sep 24, 2026

• LIFETIME_DATA_BLOCK_1 discharge fields declared unsigned but TRM-typed I2 (-32768..0)

  buggood first issue
  OpenDevicePartnership/bq40z50#71 · Filter by author felipebalbi opened on Sep 24, 2026

• One SECURITY_KEYS_DATA_LEN_BYTES shared by four revisions that need 8/16/24/28 bytes

  BREAKING CHANGEbug
  OpenDevicePartnership/bq40z50#70 · Filter by author felipebalbi opened on Sep 24, 2026

• write_authentication_key emits a self-inconsistent 22-byte frame; TRM key is 128 bits

  BREAKING CHANGEbug
  OpenDevicePartnership/bq40z50#69 · Filter by author felipebalbi opened on Sep 24, 2026

• AsyncBufferInterface::write transmits up to 30 bytes of stack padding after the payload

  buggood first issue
  OpenDevicePartnership/bq40z50#67 · Filter by author felipebalbi opened on Sep 24, 2026

• MAC_STOP_OUTPUT_CCADC_CAL sends the enable subcommand 0xF081 instead of 0xF080

  buggood first issue
  OpenDevicePartnership/bq40z50#66 · Filter by author felipebalbi opened on Sep 24, 2026
  1

• Data-flash PEC retry does not re-send the start address, silently returning the next block

  bughelp wanted
  OpenDevicePartnership/bq40z50#65 · Filter by author felipebalbi opened on Sep 24, 2026

• Roughly 25 TRM-defined protection bits have no accessor on r3/r4/r5

  bughelp wanted
  OpenDevicePartnership/bq40z50#64 · Filter by author felipebalbi opened on Sep 24, 2026

• Protection and safety register bits were never re-derived for r3/r4/r5 - driver reports the wrong fault

  bughelp wanted
  OpenDevicePartnership/bq40z50#63 · Filter by author felipebalbi opened on Sep 24, 2026