added key function BLS to shutup battery low beeper

ChangeLog

@@ -10,6 +10,8 @@
     added poweron beep, can be set ON/OFF in global config
     inactivity timer compares ADC values with previous ones, so now
 	it will activate when radio is not center callibrated also
+    added key function BLS to shutup battery low beeper, by default is
+	assigned to END-long
 
 *0.4.1 (17 Aug 2011)
 

MANUAL.txt

@@ -295,4 +295,5 @@ MPO		- Multi-POsition, switches position up (at END back to 1.)
 MPR		- Multi-Position Reset, switches position to first one
 LCI		- increment lap count
 LCR		- set lap count to zero
+BLS		- battery low shutup, stop beeping, predefined to END-long
 

TODO

@@ -6,8 +6,6 @@ CALC - calc at end of SYNC signal
 	  without PPM pulse, after that activate CALC
 	- maybe constant length servo pulse
 
-shut-off low-battery beeping
-
 timer
     - up/down/lap
     - ignore lap button after press for 3 seconds to eliminate double clicks

config.c

@@ -76,7 +76,7 @@ static const config_key_mapping_s default_key_mapping = {
     {
 	{ 0, 0, 0, 0, 0, 0, 0, 0 },	// CH3 to nothing
 	{ 0, 0, 0, 0, 0, 0, 0, 0 },	// BACK to nothing
-	{ 0, 0, 0, 0, 0, 0, 0, 0 }	// END to nothing
+	{ 0, 0, 0, 0, 20, 0, 0, 0 }	// END-long to battery low shutup
     },
     // trims: function, reverse, step, buttons
     {

menu.c

@@ -147,12 +147,14 @@ static void show_model_number(u8 model) {
 
 
 // menu stop - checks low battery
+_Bool battery_low_shutup;
 void menu_stop(void) {
     static _Bool battery_low_on;
     stop();
     // low_bat is disabled in calibrate, key-test and global menus,
     //   check it by buzzer_running
-    if (menu_battery_low && !buzzer_running)  battery_low_on = 0;
+    if (menu_battery_low && !buzzer_running && !battery_low_shutup)
+	battery_low_on = 0;
     if (battery_low_on == menu_battery_low)  return;  // no change
 
     // battery low status changed

menu.h

@@ -83,6 +83,7 @@ extern u8  menu_lap_count;		// lap count
 extern _Bool menu_wants_adc;
 // flag low battery voltage
 extern _Bool menu_battery_low;
+extern _Bool battery_low_shutup;  // stop bat low beeping
 // raw battery ADC value for check to battery low
 extern u16 battery_low_raw;
 // don't stop main loop and check keys

menu_global.c

@@ -310,6 +310,7 @@ void menu_global_setup(void) {
     buzzer_off();
     key_beep();
     menu_battery_low = 0;	// it will be set automatically again
+    battery_low_shutup = 0;
     backlight_set_default(BACKLIGHT_MAX);
     backlight_on();
     lcd_clear();

menu_popup.c

@@ -728,6 +728,12 @@ static void kf_lap_count_reset(u8 *id, u8 *param, u8 flags, s16 *pv) {
     menu_main_screen = MS_LAP_COUNT;
 }
 
+// shut up battery low beeper
+static void kf_battery_low_shutup(u8 *id, u8 *param, u8 flags, s16 *pv) {
+    battery_low_shutup = 1;
+    buzzer_off();
+}
+
 
 
 
@@ -763,6 +769,7 @@ static const key_functions_s key_functions[] = {
     { 15, "DGR", KF_NONE, kf_reset, "DIG" },
     { 18, "LCI", KF_NOSHOW, kf_lap_count, NULL },
     { 19, "LCR", KF_NOSHOW, kf_lap_count_reset, NULL },
+    { 20, "BLS", KF_NOSHOW, kf_battery_low_shutup, NULL },  // default END-long
 };
 #define KEY_FUNCTIONS_SIZE  (sizeof(key_functions) / sizeof(key_functions_s))
 

menu_service.c

@@ -47,6 +47,7 @@ void menu_calibrate(u8 at_poweron) {
     if (at_poweron)	buzzer_on(30, 30, 2);
     else		key_beep();
     menu_battery_low = 0;	// it will be set automatically again
+    battery_low_shutup = 0;
     backlight_set_default(BACKLIGHT_MAX);
     backlight_on();
     lcd_clear();
@@ -223,6 +224,7 @@ void menu_key_test(void) {
     buzzer_off();
     key_beep();
     menu_battery_low = 0;	// it will be set automatically again
+    battery_low_shutup = 0;
 
     // do full screen blink
     lcd_set_full_on();