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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_SDMMC_*

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_PROC_*
    - DCMD_PROF_*
    - DCMD_PTPD_*
    - DCMD_SDIO_*
    - DCMD_SDMMC_*
      - DCMD_SDMMC_ASSD_APDU
        Transfer an APDU packet to the device
      - DCMD_SDMMC_ASSD_CONTROL
        Control an Advanced Security SD card operation
      - DCMD_SDMMC_ASSD_PROPERTIES
        Get Advanced Security SD card properties
      - DCMD_SDMMC_ASSD_STATUS
        Get the status of an Advanced Security SD card operation
      - DCMD_SDMMC_CARD_REGISTER
        Read or write a card register
      - DCMD_SDMMC_DEVICE_HEALTH
        Get information about the device's health
      - DCMD_SDMMC_DEVICE_INFO
        Get information about the device
      - DCMD_SDMMC_ERASE
        Erase the device
      - DCMD_SDMMC_GEN_CMD
        Send a general command to the device
      - DCMD_SDMMC_LOCK_UNLOCK
        Lock or unlock the device
      - DCMD_SDMMC_MAN_CMD
        Send a manufacturer command to the device
      - DCMD_SDMMC_PART_INFO
        Get or clear information about a partition
      - DCMD_SDMMC_PWR_MGNT
        Control power management for the device
      - DCMD_SDMMC_WRITE_PROTECT
        Clear or set write protection
    - 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_SDMMC_*

QNX SDP8.0Devctl and Ioctl CommandsDeveloper

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

Page updated: December 04, 2024