# hdf\_log.h ## **Overview** **Related Modules:** [DriverUtils](DriverUtils.md) **Description:** Declares log printing functions of the driver module. This module provides functions for printing logs at the verbose, debug, information, warning, and error levels. To use these functions, you must define **HDF\_LOG\_TAG**, for example, \#define HDF\_LOG\_TAG evt. **Since:** 1.0 **Version:** 1.0 ## **Summary** ## Macros

Macro Name and Value

Description

LOG_TAG_MARK_EXTEND(HDF_TAG)   #HDF_TAG

  

HDF_LOGV(fmt, arg...)   printf("[HDF:V/" LOG_TAG "]" fmt "\r\n", ##arg)

Prints logs at the verbose level.

HDF_LOGD(fmt, arg...)   printf("[HDF:D/" LOG_TAG "]" fmt "\r\n", ##arg)

Prints logs at the debug level.

HDF_LOGI(fmt, arg...)   printf("[HDF:I/" LOG_TAG "]" fmt "\r\n", ##arg)

Prints logs at the information level.

HDF_LOGW(fmt, arg...)   printf("[HDF:W/" LOG_TAG "]" fmt "\r\n", ##arg)

Prints logs at the warning level.

HDF_LOGE(fmt, arg...)   printf("[HDF:E/" LOG_TAG "]" fmt "\r\n", ##arg)

Prints logs at the error level.