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AP_GPS: added comments in GPS_AUTO_test example sketch

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Added comments in libraries/AP_GPS/examples/GPS_AUTO_text/GPS_AUTO_test.cpp file

AP_GPS: added comments to GPS_AUTO_test example sketch

Added comments in libraries/AP_GPS/examples/GPS_AUTO_text/GPS_AUTO_test.cpp file

AP_GPS: added comments to GPS_AUTO_test example sketch

AP_GPS: add comments to GPS_AUTO_text example sketch

AP_GPS: added comments in GPS_AUTO_test example sketch
This commit is contained in:
BhumilDepani 2022-03-21 17:06:56 +05:30 committed by Peter Barker
parent f1c072bcd2
commit 8fa6432e3a
1 changed files with 7 additions and 7 deletions
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14
libraries/AP_GPS/examples/GPS_AUTO_test/GPS_AUTO_test.cpp
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@ -16,7 +16,7 @@
Test for AP_GPS_AUTO
*/
#include <AP_HAL/AP_HAL.h>
#include <AP_HAL/AP_HAL.h> //This is a common Hardware Abstraction Layer.
#include <AP_GPS/AP_GPS.h>
#include <GCS_MAVLink/GCS_Dummy.h>
#include <AP_Notify/AP_Notify.h>
@ -24,10 +24,10 @@
#include <AP_SerialManager/AP_SerialManager.h>
#include <AP_BoardConfig/AP_BoardConfig.h>
void setup();
void loop();
void setup(); //This function is defined in most of the libraries. This function is called only once at boot up time. This function is called by main() function in HAL.
void loop(); //This function is defined in most of the libraries. This function is called by main function in HAL. The main work of the sketch is typically in this function only.
const AP_HAL::HAL& hal = AP_HAL::get_HAL();
const AP_HAL::HAL& hal = AP_HAL::get_HAL(); //Declare "hal" reference variable. This variable is pointing to Ap_HAL::HAL class's object. Here, AP_HAL is library and HAL is a class in that library. This reference variable can be used to get access to hardware specific functions.
static AP_BoardConfig board_config;
@ -35,7 +35,7 @@ static AP_BoardConfig board_config;
AP_BoardLED board_led;
// create fake gcs object
GCS_Dummy _gcs;
GCS_Dummy _gcs; //gcs stands for Ground Control Station
const AP_Param::GroupInfo GCS_MAVLINK_Parameters::var_info[] = {
AP_GROUPEND
@ -69,7 +69,7 @@ void print_latlon(AP_HAL::BetterStream *s, int32_t lat_or_lon);
void print_latlon(AP_HAL::BetterStream *s, int32_t lat_or_lon)
{
int32_t dec_portion, frac_portion;
int32_t abs_lat_or_lon = labs(lat_or_lon);
int32_t abs_lat_or_lon = labs(lat_or_lon); //The labs() function in C++ returns the absolute value of a long or long int data.
// extract decimal portion (special handling of negative numbers to ensure we round towards zero)
dec_portion = abs_lat_or_lon / 10000000UL;
@ -92,7 +92,7 @@ void loop()
// Update GPS state based on possible bytes received from the module.
gps.update();
// If new GPS data is received, output it's contents to the console
// If new GPS data is received, output its contents to the console
// Here we rely on the time of the message in GPS class and the time of last message
// saved in static variable last_msg_ms. When new message is received, the time
// in GPS class will be updated.