change default settings in gs.conf

Signed-off-by: Ruixi Zhou <[email protected]>

gs/gs.conf

@@ -9,17 +9,18 @@ BTN_CU_PIN='18'
 BTN_CD_PIN='16'
 BTN_CL_PIN='13'
 BTN_CR_PIN='11'
-BTN_CC_PIN=x
+BTN_CC_PIN=''
 
 ## LED Configuration
 # Video recording LED ( red )
 REC_LED_PIN='22'
-# if direct connect LED to GPIO, should use `push-pull` drive mode
-REC_LED_drive='open-drain'
+# LED GPIO drive mode can be push-pull or open-drain.
+# If LED direct connected to GPIO, should use `push-pull` drive mode
+# If LED is connected to a pull-up resistor, should use `open-drain` mode
+REC_LED_drive='push-pull'
 # Power LED ( green )
 PWR_LED_PIN='15'
-# if direct connect LED to GPIO, should use `push-pull` drive mode
-PWR_LED_drive='open-drain'
+PWR_LED_drive='push-pull'
 
 ## Network Configuration
 # WiFi device integrated by radxa zero 3W is named wlan0 in OS.
@@ -46,6 +47,7 @@ usb0_fixed_ip='192.168.3.20/24'
 ## Video Configuration
 # If you want to boot into the terminal, set video_on_boot to no.
 video_on_boot='yes'
+# CAUTION: Invalid screen mode settings may cause pixelpilot fail to start.
 SCREEN_MODE='1920x1080@60'
 # video_player can be pixelpilot or gstreamer.
 video_player='pixelpilot'
@@ -56,14 +58,15 @@ osd_elements='video,wfbng,telem'
 osd_telem_lvl='2'
 
 ## Record Configuration
-# Folder for saving video files
+# Folder for saving video files.
 REC_Dir='/home/radxa/Videos'
+# Must be the same value setting in IPC.
 REC_FPS='60'
-# Video recording start and stop button
+# Video recording start and stop button.
 REC_GPIO_PIN=$BTN_Q1_PIN
 
 ## System Configuration
-# Rootfs reserved space
+# Rootfs reserved space in MB.
 rootfs_reserved_space='1500'
 # Enable GPIO functions
 # To disable functions in list [ TODO: auto disable ]
@@ -79,14 +82,15 @@ otg_mode_LED_drive=$PWR_LED_drive
 
 ## Cooling Configuration
 fan_service_enable='yes'
-# need enable the pwm chip and channel in dtbo
+# Must enable the following pwm chip and channel in dtbo
 fan_PWM_chip='14'
 fan_PWM_channel='0'
 fan_PWM_frequency='25000'
-# if direct connect pwm pin to fan, need set polarity to normal
-fan_PWM_polarity='inversed'
-fan_PWM_MIN_duty_cycle='20'
-fan_PWM_MAX_duty_cycle='90'
+# If fan direct connected to pwm pin, should set polarity to normal
+# If fan connected to a pull-up resistor, should set polarity to inversed
+fan_PWM_polarity='normal'
+fan_PWM_MIN_duty_cycle='0'
+fan_PWM_MAX_duty_cycle='80'
 fan_PWM_step_duty_cycle='5'
 fan_target_temperature='50'
 fan_target_temperature_deviation='3'