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QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
Utilities & Libraries
Devctl and Ioctl Commands
DCMD_MMCSD_*

QNX Momentics IDE User's Guide
This User's Guide describes version 8.0 of the Integrated Development Environment (IDE) that's part of the QNX Tool Suite.
QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
- Quickstart Guide
- System Architecture
  The System Architecture guide accompanies the QNX OS and is intended for both application developers and end-users.
- OS Components & Operations
- Graphics
- Programming
- System Security Guide
  The QNX System Security Guide is intended for both system integrators who are responsible for the security of a QNX OS system and developers who want to create a QNX OS resource manager free from vulnerabilities.
- Utilities & Libraries
  - C Library Reference
  - Devctl and Ioctl Commands
    - BIOC*
    - CAN_DEVCTL_*
    - DCMD_ALL_*
    - DCMD_BLK_*
    - DCMD_CHR_*
    - DCMD_DUMPER_*
    - DCMD_F3S_*
    - DCMD_FSYS_*
    - DCMD_IP_*
    - DCMD_MEMMGR_*
    - DCMD_MISC_*
    - DCMD_MMCSD_*
      - DCMD_MMCSD_CARD_REGISTER
        Read a card register
      - DCMD_MMCSD_ERASE
        Erase an area on the device
      - DCMD_MMCSD_ERASED_VAL
        Get an erased value
      - DCMD_MMCSD_GET_CID
        Get card ID information
      - DCMD_MMCSD_GET_CID_RAW
        Get raw card ID information
      - DCMD_MMCSD_GET_CSD
        Get card-specific data
      - DCMD_MMCSD_RPMB_RW_FRAME
        Read or write an RPMB frame
      - DCMD_MMCSD_RPMB_SIZE
        Get the size of the RPMB partition
      - DCMD_MMCSD_VUC_CMD
        Execute a vendor-unique command
      - DCMD_MMCSD_WRITE_PROTECT
        Clear or set write protection
    - DCMD_PROC_*
    - DCMD_PROF_*
    - DCMD_PTPD_*
    - DCMD_SDIO_*
    - DCMD_SDMMC_*
    - DCMD_SPI_*
    - PTP_*
    - FIO*
    - TC*
    - TIOC*
  - JSON Library Reference
  - PAM Reference
  - QNX Helpers Developer's Guide
    These libraries provide QNX helpers, including helpers that assist with logging, string conversion, and number and type sizes.
  - SPI Framework Technote
  - Utilities Reference
  - WPA Control Interface Reference
    This document provides a reference for the Wi-Fi Protected Access (WPA) control interface, which provides a C API for the WPA/IEEE 802.11i protocols in Wi-Fi client stations. Application developers who want to control WPA operations and get associated status and event data should read this reference.
- Migrating to QNX OS 8.0
QNX Software in the Cloud
QNX Toolkit for Visual Studio Code
This User's Guide describes the QNX^® Toolkit for Visual Studio Code. The guide introduces you to the QNX Toolkit by explaining the QNX development environment and how to build, run, and debug your QNX^® Operating System (OS) applications and systems.
Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation, explains how to obtain technical support, and provides some information about licensing.

DCMD_MMCSD_*

QNX SDP8.0Devctl and Ioctl CommandsDeveloper

This chapter describes the devctl() commands that apply to MultiMedia Card/Secure Digital. This is the older framework for these cards; see also the DCMD_SDMMC_* commands.

Note:

The DCMD_MMCSD_GET_ECCERR_ADDR command isn't implemented.

Page updated: August 09, 2024