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libled: allow infinite flashing mode

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This commit is contained in:
Simone Guscetti
2018-01-16 17:54:43 +01:00
committed by Beat Küng
parent bda929bebb
commit c8a1050323
3 changed files with 6 additions and 7 deletions
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2
msg/led_control.msg
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@@ -29,5 +29,5 @@ uint8 led_mask # bitmask which LED(s) to control, set to 0xff for all
uint8 color # see COLOR_*
uint8 mode # see MODE_*
uint8 num_blinks # how many times to blink (number of on-off cycles if mode is one of MODE_BLINK_*) . Set to 0 for infinite
# in MODE_FLASH it is the number of cycles (infinite is not possible)
# in MODE_FLASH it is the number of cycles. Max number of blinks: 122 and max number of flash cycles: 20
uint8 priority # priority: higher priority events will override current lower priority events (see MAX_PRIORITY)

9
src/lib/led/led.cpp
View File

@@ -140,14 +140,13 @@ int LedController::update(LedControlData &control_data)
if ((_states[i].current_blinking_time += blink_delta_t) > current_blink_duration) {
_states[i].current_blinking_time -= current_blink_duration;
if (cur_data.blink_times_left == 254) {
// handle toggling for infinite case: toggle between 254 and 255
if (cur_data.blink_times_left == 246) {
// handle toggling for infinite case: decrease between 255 and 246
// In order to handle the flash mode infinite case it needs a
// total of 10 steps.
cur_data.blink_times_left = 255;
++num_blinking_do_not_change_state;
} else if (cur_data.blink_times_left == 255) {
cur_data.blink_times_left = 254;
} else if (--cur_data.blink_times_left == 0) {
cur_data.mode = led_control_s::MODE_DISABLED;
_states[i].current_blinking_time = 0;

2
src/lib/led/led.h
View File

@@ -158,7 +158,7 @@ private:
if (priority[next_priority].blink_times_left == 0) {
// handle infinite case
priority[next_priority].blink_times_left = 254;
priority[next_priority].blink_times_left = 246;
}