Add NTP Client service documentation

Signed-off-by: Ajay Bhargav <[email protected]>

Author: ajaybhargav

docs/Doxyfile

@@ -851,9 +851,9 @@ INPUT                  = ../include/arpa/inet.h \
                          ../include/driver/dht.h \
                          ../include/driver/ds18b20.h \
                          ../include/driver/onewire.h \
-			 ../include/gpslib.h \
+                         ../include/gpslib.h \
                          ../include/hw/adc.h \
-			 ../include/hw/bluetooth.h \
+                         ../include/hw/bluetooth.h \
                          ../include/hw/gpio.h \
                          ../include/hw/i2c.h \
                          ../include/hw/pwm.h \
@@ -870,6 +870,7 @@ INPUT                  = ../include/arpa/inet.h \
                          ../include/proto/ftpc.h \
                          ../include/proto/httpc.h \
                          ../include/proto/modbus.h \
+                         ../include/proto/ntpc.h \
                          ../include/remotedbg.h \
                          ../include/ril/ril.h \
                          ../include/ril/ril_alarm.h \
@@ -888,7 +889,7 @@ INPUT                  = ../include/arpa/inet.h \
                          ../include/ril/ril_telephony.h \
                          ../include/ril/ril_util.h \
                          ../include/siwi/sockets.h \
-			 ../include/spifs.h \
+                         ../include/spifs.h \
                          ../include/sys/dirent.h \
                          ../include/sys/ioctl.h \
                          ../include/sys/socket.h \

docs/book/api/proto/index.rst

@@ -6,4 +6,5 @@ Protocols
 
    HTTP Client <httpc>
    FTP Client <ftpc>
+   NTP Client <ntpc>
    Modbus Slave <modbus>

docs/book/api/proto/ntpc.rst

@@ -0,0 +1,12 @@
+NTP Client
+==========
+
+Library provide NTP client service which can be enabled during
+system initialization. Once enabled service will automatically
+take care of setting system time when device is ready and GPRS
+service is active. The NTP sync interval is 60 minutes.
+
+API Reference
+-------------
+
+.. include:: /inc/ntpc.inc

include/proto/ntpc.h

@@ -0,0 +1,14 @@
+/*
+ * ntpc.h
+ *
+ */
+#ifndef INC_PROTO_NTPC_H
+#define INC_PROTO_NTPC_H
+
+/**
+ * Initialize NTP client service
+ * @return 0 on success, negative value on failure
+ */
+int ntpclient_init(void);
+
+#endif /* INC_PROTO_NTPC_H */