diff options
Diffstat (limited to 'src/modules/commander/commander_helper.cpp')
| -rw-r--r-- | src/modules/commander/commander_helper.cpp | 55 |
1 files changed, 40 insertions, 15 deletions
diff --git a/src/modules/commander/commander_helper.cpp b/src/modules/commander/commander_helper.cpp index 0fd3c9e9e..2022e99fb 100644 --- a/src/modules/commander/commander_helper.cpp +++ b/src/modules/commander/commander_helper.cpp @@ -1,9 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2013 PX4 Development Team. All rights reserved. - * Author: Thomas Gubler <thomasgubler@student.ethz.ch> - * Julian Oes <joes@student.ethz.ch> - * Anton Babushkin <anton.babushkin@me.com> + * Copyright (c) 2013, 2014 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -37,6 +34,11 @@ /** * @file commander_helper.cpp * Commander helper functions implementations + * + * @author Thomas Gubler <thomasgubler@student.ethz.ch> + * @author Julian Oes <julian@oes.ch> + * @author Anton Babushkin <anton.babushkin@me.com> + * */ #include <stdio.h> @@ -113,17 +115,22 @@ void buzzer_deinit() close(buzzer); } -void set_tune(int tune) { +void set_tune(int tune) +{ unsigned int new_tune_duration = tune_durations[tune]; + /* don't interrupt currently playing non-repeating tune by repeating */ if (tune_end == 0 || new_tune_duration != 0 || hrt_absolute_time() > tune_end) { /* allow interrupting current non-repeating tune by the same tune */ if (tune != tune_current || new_tune_duration != 0) { ioctl(buzzer, TONE_SET_ALARM, tune); } + tune_current = tune; + if (new_tune_duration != 0) { tune_end = hrt_absolute_time() + new_tune_duration; + } else { tune_end = 0; } @@ -138,6 +145,7 @@ void tune_positive(bool use_buzzer) blink_msg_end = hrt_absolute_time() + BLINK_MSG_TIME; rgbled_set_color(RGBLED_COLOR_GREEN); rgbled_set_mode(RGBLED_MODE_BLINK_FAST); + if (use_buzzer) { set_tune(TONE_NOTIFY_POSITIVE_TUNE); } @@ -151,6 +159,7 @@ void tune_neutral(bool use_buzzer) blink_msg_end = hrt_absolute_time() + BLINK_MSG_TIME; rgbled_set_color(RGBLED_COLOR_WHITE); rgbled_set_mode(RGBLED_MODE_BLINK_FAST); + if (use_buzzer) { set_tune(TONE_NOTIFY_NEUTRAL_TUNE); } @@ -164,6 +173,7 @@ void tune_negative(bool use_buzzer) blink_msg_end = hrt_absolute_time() + BLINK_MSG_TIME; rgbled_set_color(RGBLED_COLOR_RED); rgbled_set_mode(RGBLED_MODE_BLINK_FAST); + if (use_buzzer) { set_tune(TONE_NOTIFY_NEGATIVE_TUNE); } @@ -198,15 +208,21 @@ int led_init() return ERROR; } - /* the blue LED is only available on FMUv1 but not FMUv2 */ + /* the blue LED is only available on FMUv1 & AeroCore but not FMUv2 */ (void)ioctl(leds, LED_ON, LED_BLUE); + /* switch blue off */ + led_off(LED_BLUE); + /* we consider the amber led mandatory */ if (ioctl(leds, LED_ON, LED_AMBER)) { warnx("Amber LED: ioctl fail\n"); return ERROR; } + /* switch amber off */ + led_off(LED_AMBER); + /* then try RGB LEDs, this can fail on FMUv1*/ rgbleds = open(RGBLED_DEVICE_PATH, 0); @@ -244,33 +260,38 @@ int led_off(int led) void rgbled_set_color(rgbled_color_t color) { - if (rgbleds != -1) + if (rgbleds != -1) { ioctl(rgbleds, RGBLED_SET_COLOR, (unsigned long)color); + } } void rgbled_set_mode(rgbled_mode_t mode) { - if (rgbleds != -1) + if (rgbleds != -1) { ioctl(rgbleds, RGBLED_SET_MODE, (unsigned long)mode); + } } void rgbled_set_pattern(rgbled_pattern_t *pattern) { - if (rgbleds != -1) + if (rgbleds != -1) { ioctl(rgbleds, RGBLED_SET_PATTERN, (unsigned long)pattern); + } } -float battery_remaining_estimate_voltage(float voltage, float discharged) +float battery_remaining_estimate_voltage(float voltage, float discharged, float throttle_normalized) { float ret = 0; static param_t bat_v_empty_h; static param_t bat_v_full_h; static param_t bat_n_cells_h; static param_t bat_capacity_h; - static float bat_v_empty = 3.2f; - static float bat_v_full = 4.0f; + static param_t bat_v_load_drop_h; + static float bat_v_empty = 3.4f; + static float bat_v_full = 4.2f; + static float bat_v_load_drop = 0.06f; static int bat_n_cells = 3; static float bat_capacity = -1.0f; static bool initialized = false; @@ -278,27 +299,31 @@ float battery_remaining_estimate_voltage(float voltage, float discharged) if (!initialized) { bat_v_empty_h = param_find("BAT_V_EMPTY"); - bat_v_full_h = param_find("BAT_V_FULL"); + bat_v_full_h = param_find("BAT_V_CHARGED"); bat_n_cells_h = param_find("BAT_N_CELLS"); bat_capacity_h = param_find("BAT_CAPACITY"); + bat_v_load_drop_h = param_find("BAT_V_LOAD_DROP"); initialized = true; } if (counter % 100 == 0) { param_get(bat_v_empty_h, &bat_v_empty); param_get(bat_v_full_h, &bat_v_full); + param_get(bat_v_load_drop_h, &bat_v_load_drop); param_get(bat_n_cells_h, &bat_n_cells); param_get(bat_capacity_h, &bat_capacity); } counter++; - /* remaining charge estimate based on voltage */ - float remaining_voltage = (voltage - bat_n_cells * bat_v_empty) / (bat_n_cells * (bat_v_full - bat_v_empty)); + /* remaining charge estimate based on voltage and internal resistance (drop under load) */ + float bat_v_full_dynamic = bat_v_full - (bat_v_load_drop * throttle_normalized); + float remaining_voltage = (voltage - (bat_n_cells * bat_v_empty)) / (bat_n_cells * (bat_v_full_dynamic - bat_v_empty)); if (bat_capacity > 0.0f) { /* if battery capacity is known, use discharged current for estimate, but don't show more than voltage estimate */ ret = fminf(remaining_voltage, 1.0f - discharged / bat_capacity); + } else { /* else use voltage */ ret = remaining_voltage; |