LWIP: support SNTP over DHCP (#51)

vortigont · web-flow · commit 9819b8197b30 · 2021-12-20T14:41:42.000+02:00
- increase default number of NTP servers up to 3 (match with Arduino esp8266) - activate SNTP over DHCP requests (match with Arduino esp8266) addressing issue espressif/arduino-esp32#4964 provided via espressif/esp-idf#7336
diff --git a/sdkconfig.esp32 b/sdkconfig.esp32
@@ -1114,8 +1114,8 @@ CONFIG_LWIP_MAX_RAW_PCBS=16
 #
 # SNTP
 #
-CONFIG_LWIP_SNTP_MAX_SERVERS=1
-# CONFIG_LWIP_DHCP_GET_NTP_SRV is not set
+CONFIG_LWIP_SNTP_MAX_SERVERS=3
+CONFIG_LWIP_DHCP_GET_NTP_SRV=y
 CONFIG_LWIP_SNTP_UPDATE_DELAY=3600000
 # end of SNTP
 
diff --git a/sdkconfig.esp32c3 b/sdkconfig.esp32c3
@@ -1131,8 +1131,8 @@ CONFIG_LWIP_MAX_RAW_PCBS=16
 #
 # SNTP
 #
-CONFIG_LWIP_SNTP_MAX_SERVERS=1
-# CONFIG_LWIP_DHCP_GET_NTP_SRV is not set
+CONFIG_LWIP_SNTP_MAX_SERVERS=3
+CONFIG_LWIP_DHCP_GET_NTP_SRV=y
 CONFIG_LWIP_SNTP_UPDATE_DELAY=3600000
 # end of SNTP
 
diff --git a/sdkconfig.esp32s2 b/sdkconfig.esp32s2
@@ -964,8 +964,8 @@ CONFIG_LWIP_MAX_RAW_PCBS=16
 #
 # SNTP
 #
-CONFIG_LWIP_SNTP_MAX_SERVERS=1
-# CONFIG_LWIP_DHCP_GET_NTP_SRV is not set
+CONFIG_LWIP_SNTP_MAX_SERVERS=3
+CONFIG_LWIP_DHCP_GET_NTP_SRV=y
 CONFIG_LWIP_SNTP_UPDATE_DELAY=3600000
 # end of SNTP
 

Original file line number	Diff line number	Diff line change
`@@ -1114,8 +1114,8 @@ CONFIG_LWIP_MAX_RAW_PCBS=16`
`1114`	`1114`	`#`
`1115`	`1115`	`# SNTP`
`1116`	`1116`	`#`
`1117`		`-CONFIG_LWIP_SNTP_MAX_SERVERS=1`
`1118`		`-# CONFIG_LWIP_DHCP_GET_NTP_SRV is not set`
	`1117`	`+CONFIG_LWIP_SNTP_MAX_SERVERS=3`
	`1118`	`+CONFIG_LWIP_DHCP_GET_NTP_SRV=y`
`1119`	`1119`	`CONFIG_LWIP_SNTP_UPDATE_DELAY=3600000`
`1120`	`1120`	`# end of SNTP`
`1121`	`1121`
Original file line number	Diff line number	Diff line change
`@@ -1131,8 +1131,8 @@ CONFIG_LWIP_MAX_RAW_PCBS=16`
`1131`	`1131`	`#`
`1132`	`1132`	`# SNTP`
`1133`	`1133`	`#`
`1134`		`-CONFIG_LWIP_SNTP_MAX_SERVERS=1`
`1135`		`-# CONFIG_LWIP_DHCP_GET_NTP_SRV is not set`
	`1134`	`+CONFIG_LWIP_SNTP_MAX_SERVERS=3`
	`1135`	`+CONFIG_LWIP_DHCP_GET_NTP_SRV=y`
`1136`	`1136`	`CONFIG_LWIP_SNTP_UPDATE_DELAY=3600000`
`1137`	`1137`	`# end of SNTP`
`1138`	`1138`
Original file line number	Diff line number	Diff line change
`@@ -964,8 +964,8 @@ CONFIG_LWIP_MAX_RAW_PCBS=16`
`964`	`964`	`#`
`965`	`965`	`# SNTP`
`966`	`966`	`#`
`967`		`-CONFIG_LWIP_SNTP_MAX_SERVERS=1`
`968`		`-# CONFIG_LWIP_DHCP_GET_NTP_SRV is not set`
	`967`	`+CONFIG_LWIP_SNTP_MAX_SERVERS=3`
	`968`	`+CONFIG_LWIP_DHCP_GET_NTP_SRV=y`
`969`	`969`	`CONFIG_LWIP_SNTP_UPDATE_DELAY=3600000`
`970`	`970`	`# end of SNTP`
`971`	`971`