// *************************************************************************************************
// @fn mx_altitude
// @brief Mx button handler to set the altitude offset.
// @param u8 line LINE1
// @return none
// *************************************************************************************************
void mx_altitude(u8 line)
{
s32 altitude;
s32 limit_high, limit_low;
// Clear display
clear_display_all();
#ifdef CONFIG_ALTI_ACCUMULATOR
// Display "ALt" on top line
display_chars(LCD_SEG_L1_3_0, (u8*)"ALT ", SEG_ON);
clear_line(LINE2);
#endif
// Set lower and upper limits for offset correction
#ifdef CONFIG_METRIC_ONLY
display_symbol(LCD_UNIT_L1_M, SEG_ON);
// Convert global variable to local variable
altitude = sAlt.altitude;
// Limits for set_value function
limit_low = -100;
limit_high = 9000;
#else
if (sys.flag.use_metric_units)
{
// Display "m" symbol
display_symbol(LCD_UNIT_L1_M, SEG_ON);
// Convert global variable to local variable
altitude = sAlt.altitude;
// Limits for set_value function
limit_low = -100;
limit_high = 9000;
}
else // English units
{
// Display "ft" symbol
display_symbol(LCD_UNIT_L1_FT, SEG_ON);
// Convert altitude in meters to feet
altitude = sAlt.altitude;
// Convert from meters to feet
altitude = convert_m_to_ft(altitude);
// Limits for set_value function
limit_low = -500;
#ifdef CONFIG_ALTI_ACCUMULATOR
limit_high = 33000;
#else
limit_high = 9999;
#endif
}
#endif
// Loop values until all are set or user breaks set
while(1)
{
// Idle timeout: exit without saving
if (sys.flag.idle_timeout) break;
// Button STAR (short): save, then exit
if (button.flag.star)
{
// When using English units, convert ft back to m before updating pressure table
#ifndef CONFIG_METRIC_ONLY
if (!sys.flag.use_metric_units) altitude = convert_ft_to_m((s16)altitude);
#endif
// Update pressure table
update_pressure_table((s16)altitude, sAlt.pressure, sAlt.temperature);
// Set display update flag
display.flag.line1_full_update = 1;
break;
}
// Set current altitude - offset is set when leaving function
#ifdef CONFIG_ALTI_ACCUMULATOR
// use 2nd line as it displays larger numbers
set_value(&altitude, 5, 4, limit_low, limit_high, SETVALUE_DISPLAY_VALUE + SETVALUE_FAST_MODE + SETVALUE_DISPLAY_ARROWS, LCD_SEG_L2_4_0, display_value1);
#else
set_value(&altitude, 4, 3, limit_low, limit_high, SETVALUE_DISPLAY_VALUE + SETVALUE_FAST_MODE + SETVALUE_DISPLAY_ARROWS, LCD_SEG_L1_3_0, display_value1);
#endif
}
// Clear button flags
button.all_flags = 0;
}
// *************************************************************************************************
// @fn mx_altitude
// @brief Mx button handler to set the altitude offset.
// @param u8 line LINE1
// @return none
// *************************************************************************************************
void mx_altitude(u8 line)
{
u8 select;
s32 altitude;
s32 limit_high, limit_low;
s32 offset;
select = 0;
// Clear display
clear_display_all();
offset = sAlt.pressure_offset;
// Set lower and upper limits for offset correction
if (sys.flag.use_metric_units)
{
// Display "m" symbol
display_symbol(LCD_UNIT_L1_M, SEG_ON);
// Convert global variable to local variable
altitude = sAlt.altitude;
// Limits for set_value function
limit_low = -100;
limit_high = 4000;
}
else // English units
{
// Display "ft" symbol
display_symbol(LCD_UNIT_L1_FT, SEG_ON);
// Convert altitude in meters to feet
altitude = sAlt.altitude;
// Convert from meters to feet
altitude = convert_m_to_ft(altitude);
// Limits for set_value function
limit_low = -500;
limit_high = 9999;
}
// Loop values until all are set or user breaks set
while (1)
{
// Idle timeout: exit without saving
if (sys.flag.idle_timeout)
break;
// Button STAR (short): save, then exit
if (button.flag.star)
{
// When using English units, convert ft back to m before updating pressure table
if (!sys.flag.use_metric_units)
altitude = convert_ft_to_m((s16) altitude);
// Update pressure table
update_pressure_table((s16) altitude, sAlt.pressure, sAlt.temperature);
sAlt.pressure_offset = offset;
// Set display update flag
display.flag.line1_full_update = 1;
break;
}
switch (select)
{
case 0:
// Set current altitude - offset is set when leaving function
if (sys.flag.use_metric_units)
{
// Display "m" symbol
display_symbol(LCD_UNIT_L1_M, SEG_ON);
}
else
{
// // Display "ft" symbol
display_symbol(LCD_UNIT_L1_FT, SEG_ON);
}
display_symbol(LCD_UNIT_L1_PER_H, SEG_OFF);
display_chars(LCD_SEG_L2_5_0, (u8 *) " ALT", SEG_ON);
set_value(&altitude, 4, 3, limit_low, limit_high, SETVALUE_DISPLAY_VALUE +
SETVALUE_FAST_MODE + SETVALUE_DISPLAY_ARROWS + SETVALUE_NEXT_VALUE, LCD_SEG_L1_3_0,
display_value);
select = 1;
break;
case 1:
// Set pressure offset
display_symbol(LCD_UNIT_L1_PER_H, SEG_ON);
display_symbol(LCD_UNIT_L1_M, SEG_OFF);
display_symbol(LCD_UNIT_L1_FT, SEG_OFF);
display_chars(LCD_SEG_L2_5_0, (u8 *) " OFFS", SEG_ON);
set_value(&offset, 4, 3, -100, 100, SETVALUE_DISPLAY_VALUE +
SETVALUE_FAST_MODE + SETVALUE_DISPLAY_ARROWS + SETVALUE_NEXT_VALUE, LCD_SEG_L1_3_0,
display_value);
select = 0;
break;
}
}
// Clear button flags
button.all_flags = 0;
}
