| Test | test |
|---|---|
| test | test |
| test | tes |
All µC/DNSc require a run-time configuration that must be passed during the initialization. DNS run-time configuration template files are provided (see µC/DNSc Directories and Files). The run-time configuration template file (dns-c_cfg.* ) should be copied into application folder and modified following your requirements.
Micrium provides sample configuration code free of charge; however, most sample code will likely require modification depending on the combination feature requirements and memory limitation.
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DNSc Run-time Configuration Structure
Configuration Fields Description
Memory allocation configuration
Structure Field | Type | Description | Possible Values |
|---|---|---|---|
MemSegPtr | MEM_SEG |
| DEF_NULL to allocate the memory from the HEAP Pointer to a memory segment to allocate from (see µC/LIB - Memory Segments) |
Default DNS server configuration
Structure Field | Type | Description | Possible Values |
|---|---|---|---|
ServerDfltPtr | CPU_CHAR |
| Pointer to a string that contains the IP address. |
Cache configuration
Structure Field | Type | Description | Possible Values |
|---|---|---|---|
HostNameLenMax | CPU_INT16U |
| MUST be >= 2 |
CacheEntriesMaxNbr | CPU_INT08U | MUST be >= 1 | |
AddrIPv4MaxPerHost | CPU_INT08U | MUST be >= 0 | |
AddrIPv6MaxPerHost | CPU_INT08U | MUST be >= 0 |
Request configuration
Structure Field | Type | Description | Possible Values |
|---|---|---|---|
TaskDly_ms | CPU_INT08U |
| Default value: [DNSc_DFLT_TASK_DLY_MS] = 50ms MUST be >= 1 |
ReqRetryNbrMax | CPU_INT08U | Default value: [DNSc_DFLT_REQ_RETRY_NBR_MAX] = 2 MUST be >= 1 | |
ReqRetryTimeout_ms | CPU_INT16U | Default value: [DNSc_DFLT_REQ_RETRY_TIMEOUT_MS] = 1000ms MUST be >= 100 |