DHCPS_COARSE_TIMER_SECS macro

DHCP server's description of compile time configuration values in dhcpserver.c - DHCPS_DEBUG: Prints very detailed debug messages if set to 1, hardcoded to 0 - USE_CLASS_B_NET: Use class B network mask if enabled, not-defined (could be enabled as CC_FLAGS) - MAX_STATION_NUM: Maximum number of clients, set to Kconfig value CONFIG_LWIP_DHCPS_MAX_STATION_NUM - LWIP_HOOK_DHCPS_POST_STATE: Used to inject user code after parsing DHCP message, not defined - could be enabled in lwipopts.h or via CC_FLAGS - basic usage of the hook to print hex representation of the entire option field is below: #define LWIP_HOOK_DHCPS_POST_STATE(msg, len, state) \ ({ s16_t ret = state; if (state == DHCPS_STATE_ACK) { ESP_LOG_BUFFER_HEXDUMP("DHCPS",msg->options, 312, ESP_LOG_INFO);} ret; }) Definitions related to lease time, units and limits