diff options
Diffstat (limited to 'src/modules')
23 files changed, 949 insertions, 151 deletions
diff --git a/src/modules/commander/commander.cpp b/src/modules/commander/commander.cpp index 0357542f0..add7312de 100644 --- a/src/modules/commander/commander.cpp +++ b/src/modules/commander/commander.cpp @@ -107,14 +107,9 @@ static const int ERROR = -1; extern struct system_load_s system_load; -#define LOW_VOLTAGE_BATTERY_HYSTERESIS_TIME_MS 1000.0f -#define CRITICAL_VOLTAGE_BATTERY_HYSTERESIS_TIME_MS 100.0f - /* Decouple update interval and hysteris counters, all depends on intervals */ #define COMMANDER_MONITORING_INTERVAL 50000 #define COMMANDER_MONITORING_LOOPSPERMSEC (1/(COMMANDER_MONITORING_INTERVAL/1000.0f)) -#define LOW_VOLTAGE_BATTERY_COUNTER_LIMIT (LOW_VOLTAGE_BATTERY_HYSTERESIS_TIME_MS*COMMANDER_MONITORING_LOOPSPERMSEC) -#define CRITICAL_VOLTAGE_BATTERY_COUNTER_LIMIT (CRITICAL_VOLTAGE_BATTERY_HYSTERESIS_TIME_MS*COMMANDER_MONITORING_LOOPSPERMSEC) #define MAVLINK_OPEN_INTERVAL 50000 @@ -666,8 +661,6 @@ int commander_thread_main(int argc, char *argv[]) /* Start monitoring loop */ unsigned counter = 0; - unsigned low_voltage_counter = 0; - unsigned critical_voltage_counter = 0; unsigned stick_off_counter = 0; unsigned stick_on_counter = 0; @@ -745,7 +738,6 @@ int commander_thread_main(int argc, char *argv[]) int battery_sub = orb_subscribe(ORB_ID(battery_status)); struct battery_status_s battery; memset(&battery, 0, sizeof(battery)); - battery.voltage_v = 0.0f; /* Subscribe to subsystem info topic */ int subsys_sub = orb_subscribe(ORB_ID(subsystem_info)); @@ -890,14 +882,12 @@ int commander_thread_main(int argc, char *argv[]) if (updated) { orb_copy(ORB_ID(battery_status), battery_sub, &battery); - - // warnx("bat v: %2.2f", battery.voltage_v); - - /* only consider battery voltage if system has been running 2s and battery voltage is higher than 4V */ - if (hrt_absolute_time() > start_time + 2000000 && battery.voltage_v > 4.0f) { - status.battery_voltage = battery.voltage_v; + /* only consider battery voltage if system has been running 2s and battery voltage is valid */ + if (hrt_absolute_time() > start_time + 2000000 && battery.voltage_filtered_v > 0.0f) { + status.battery_voltage = battery.voltage_filtered_v; + status.battery_current = battery.current_a; status.condition_battery_voltage_valid = true; - status.battery_remaining = battery_remaining_estimate_voltage(status.battery_voltage); + status.battery_remaining = battery_remaining_estimate_voltage(battery.voltage_filtered_v, battery.discharged_mah); } } @@ -950,46 +940,29 @@ int commander_thread_main(int argc, char *argv[]) //on_usb_power = (stat("/dev/ttyACM0", &statbuf) == 0); } - // XXX remove later - //warnx("bat remaining: %2.2f", status.battery_remaining); - /* if battery voltage is getting lower, warn using buzzer, etc. */ if (status.condition_battery_voltage_valid && status.battery_remaining < 0.25f && !low_battery_voltage_actions_done) { - //TODO: add filter, or call emergency after n measurements < VOLTAGE_BATTERY_MINIMAL_MILLIVOLTS - if (low_voltage_counter > LOW_VOLTAGE_BATTERY_COUNTER_LIMIT) { - low_battery_voltage_actions_done = true; - mavlink_log_critical(mavlink_fd, "#audio: WARNING: LOW BATTERY"); - status.battery_warning = VEHICLE_BATTERY_WARNING_LOW; - status_changed = true; - battery_tune_played = false; - } - - low_voltage_counter++; + low_battery_voltage_actions_done = true; + mavlink_log_critical(mavlink_fd, "#audio: WARNING: LOW BATTERY"); + status.battery_warning = VEHICLE_BATTERY_WARNING_LOW; + status_changed = true; + battery_tune_played = false; } else if (status.condition_battery_voltage_valid && status.battery_remaining < 0.1f && !critical_battery_voltage_actions_done && low_battery_voltage_actions_done) { /* critical battery voltage, this is rather an emergency, change state machine */ - if (critical_voltage_counter > CRITICAL_VOLTAGE_BATTERY_COUNTER_LIMIT) { - critical_battery_voltage_actions_done = true; - mavlink_log_critical(mavlink_fd, "#audio: EMERGENCY: CRITICAL BATTERY"); - status.battery_warning = VEHICLE_BATTERY_WARNING_CRITICAL; - battery_tune_played = false; - - if (armed.armed) { - arming_state_transition(&status, &safety, &control_mode, ARMING_STATE_ARMED_ERROR, &armed); + critical_battery_voltage_actions_done = true; + mavlink_log_critical(mavlink_fd, "#audio: EMERGENCY: CRITICAL BATTERY"); + status.battery_warning = VEHICLE_BATTERY_WARNING_CRITICAL; + battery_tune_played = false; - } else { - arming_state_transition(&status, &safety, &control_mode, ARMING_STATE_STANDBY_ERROR, &armed); - } + if (armed.armed) { + arming_state_transition(&status, &safety, &control_mode, ARMING_STATE_ARMED_ERROR, &armed); - status_changed = true; + } else { + arming_state_transition(&status, &safety, &control_mode, ARMING_STATE_STANDBY_ERROR, &armed); } - critical_voltage_counter++; - - } else { - - low_voltage_counter = 0; - critical_voltage_counter = 0; + status_changed = true; } /* End battery voltage check */ diff --git a/src/modules/commander/commander_helper.cpp b/src/modules/commander/commander_helper.cpp index 565b4b66a..21a1c4c2c 100644 --- a/src/modules/commander/commander_helper.cpp +++ b/src/modules/commander/commander_helper.cpp @@ -44,6 +44,7 @@ #include <stdint.h> #include <stdbool.h> #include <fcntl.h> +#include <math.h> #include <uORB/uORB.h> #include <uORB/topics/vehicle_status.h> @@ -251,36 +252,47 @@ void rgbled_set_pattern(rgbled_pattern_t *pattern) ioctl(rgbleds, RGBLED_SET_PATTERN, (unsigned long)pattern); } -float battery_remaining_estimate_voltage(float voltage) +float battery_remaining_estimate_voltage(float voltage, float discharged) { float ret = 0; - static param_t bat_volt_empty; - static param_t bat_volt_full; - static param_t bat_n_cells; + 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 int bat_n_cells = 3; + static float bat_capacity = -1.0f; static bool initialized = false; static unsigned int counter = 0; - static float ncells = 3; - // XXX change cells to int (and param to INT32) if (!initialized) { - bat_volt_empty = param_find("BAT_V_EMPTY"); - bat_volt_full = param_find("BAT_V_FULL"); - bat_n_cells = param_find("BAT_N_CELLS"); + bat_v_empty_h = param_find("BAT_V_EMPTY"); + bat_v_full_h = param_find("BAT_V_FULL"); + bat_n_cells_h = param_find("BAT_N_CELLS"); + bat_capacity_h = param_find("BAT_CAPACITY"); initialized = true; } - static float chemistry_voltage_empty = 3.2f; - static float chemistry_voltage_full = 4.05f; - if (counter % 100 == 0) { - param_get(bat_volt_empty, &chemistry_voltage_empty); - param_get(bat_volt_full, &chemistry_voltage_full); - param_get(bat_n_cells, &ncells); + param_get(bat_v_empty_h, &bat_v_empty); + param_get(bat_v_full_h, &bat_v_full); + param_get(bat_n_cells_h, &bat_n_cells); + param_get(bat_capacity_h, &bat_capacity); } counter++; - ret = (voltage - ncells * chemistry_voltage_empty) / (ncells * (chemistry_voltage_full - chemistry_voltage_empty)); + /* 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)); + + 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; + } /* limit to sane values */ ret = (ret < 0.0f) ? 0.0f : ret; diff --git a/src/modules/commander/commander_helper.h b/src/modules/commander/commander_helper.h index e9514446c..d0393f45a 100644 --- a/src/modules/commander/commander_helper.h +++ b/src/modules/commander/commander_helper.h @@ -75,12 +75,13 @@ void rgbled_set_mode(rgbled_mode_t mode); void rgbled_set_pattern(rgbled_pattern_t *pattern); /** - * Provides a coarse estimate of remaining battery power. + * Estimate remaining battery charge. * - * The estimate is very basic and based on decharging voltage curves. + * Use integral of current if battery capacity known (BAT_CAPACITY parameter set), + * else use simple estimate based on voltage. * * @return the estimated remaining capacity in 0..1 */ -float battery_remaining_estimate_voltage(float voltage); +float battery_remaining_estimate_voltage(float voltage, float discharged); #endif /* COMMANDER_HELPER_H_ */ diff --git a/src/modules/commander/commander_params.c b/src/modules/commander/commander_params.c index 40d0386d5..e10b7f18d 100644 --- a/src/modules/commander/commander_params.c +++ b/src/modules/commander/commander_params.c @@ -50,6 +50,7 @@ PARAM_DEFINE_FLOAT(NAV_TAKEOFF_GAP, 3.0f); PARAM_DEFINE_FLOAT(TRIM_ROLL, 0.0f); PARAM_DEFINE_FLOAT(TRIM_PITCH, 0.0f); PARAM_DEFINE_FLOAT(TRIM_YAW, 0.0f); -PARAM_DEFINE_FLOAT(BAT_V_EMPTY, 3.2f); -PARAM_DEFINE_FLOAT(BAT_V_FULL, 4.05f); -PARAM_DEFINE_FLOAT(BAT_N_CELLS, 3); +PARAM_DEFINE_FLOAT(BAT_V_EMPTY, 3.4f); +PARAM_DEFINE_FLOAT(BAT_V_FULL, 3.9f); +PARAM_DEFINE_INT32(BAT_N_CELLS, 3); +PARAM_DEFINE_FLOAT(BAT_CAPACITY, -1.0f); diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c index 3bb872405..31a9cdefa 100644 --- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c +++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c @@ -1,7 +1,6 @@ /**************************************************************************** * - * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * Author: Lorenz Meier <lm@inf.ethz.ch> + * 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 @@ -49,21 +48,75 @@ * */ +/** + * L1 period + * + * This is the L1 distance and defines the tracking + * point ahead of the aircraft its following. + * A value of 25 meters works for most aircraft. Shorten + * slowly during tuning until response is sharp without oscillation. + * + * @min 1.0 + * @max 100.0 + * @group L1 Control + */ PARAM_DEFINE_FLOAT(FW_L1_PERIOD, 25.0f); - +/** + * L1 damping + * + * Damping factor for L1 control. + * + * @min 0.6 + * @max 0.9 + * @group L1 Control + */ PARAM_DEFINE_FLOAT(FW_L1_DAMPING, 0.75f); - +/** + * Default Loiter Radius + * + * This radius is used when no other loiter radius is set. + * + * @min 10.0 + * @max 100.0 + * @group L1 Control + */ PARAM_DEFINE_FLOAT(FW_LOITER_R, 50.0f); - +/** + * Cruise throttle + * + * This is the throttle setting required to achieve the desired cruise speed. Most airframes have a value of 0.5-0.7. + * + * @min 0.0 + * @max 1.0 + * @group L1 Control + */ PARAM_DEFINE_FLOAT(FW_THR_CRUISE, 0.7f); - +/** + * Negative pitch limit + * + * The minimum negative pitch the controller will output. + * + * @unit degrees + * @min -60.0 + * @max 0.0 + * @group L1 Control + */ PARAM_DEFINE_FLOAT(FW_P_LIM_MIN, -45.0f); - +/** + * Positive pitch limit + * + * The maximum positive pitch the controller will output. + * + * @unit degrees + * @min 0.0 + * @max 60.0 + * @group L1 Control + */ PARAM_DEFINE_FLOAT(FW_P_LIM_MAX, 45.0f); diff --git a/src/modules/mavlink/mavlink.c b/src/modules/mavlink/mavlink.c index 7c10e297b..20853379d 100644 --- a/src/modules/mavlink/mavlink.c +++ b/src/modules/mavlink/mavlink.c @@ -677,8 +677,8 @@ int mavlink_thread_main(int argc, char *argv[]) v_status.onboard_control_sensors_health, v_status.load * 1000.0f, v_status.battery_voltage * 1000.0f, - v_status.battery_current * 1000.0f, - v_status.battery_remaining, + v_status.battery_current * 100.0f, + v_status.battery_remaining * 100.0f, v_status.drop_rate_comm, v_status.errors_comm, v_status.errors_count1, diff --git a/src/modules/px4iofirmware/dsm.c b/src/modules/px4iofirmware/dsm.c index 4d306d6d0..60eda2319 100644 --- a/src/modules/px4iofirmware/dsm.c +++ b/src/modules/px4iofirmware/dsm.c @@ -203,6 +203,12 @@ dsm_guess_format(bool reset) int dsm_init(const char *device) { + +#ifdef CONFIG_ARCH_BOARD_PX4IO_V2 + // enable power on DSM connector + POWER_SPEKTRUM(true); +#endif + if (dsm_fd < 0) dsm_fd = open(device, O_RDONLY | O_NONBLOCK); diff --git a/src/modules/px4iofirmware/px4io.c b/src/modules/px4iofirmware/px4io.c index 745bd5705..0b8c4a6a8 100644 --- a/src/modules/px4iofirmware/px4io.c +++ b/src/modules/px4iofirmware/px4io.c @@ -125,6 +125,25 @@ heartbeat_blink(void) LED_BLUE(heartbeat = !heartbeat); } +static uint64_t reboot_time; + +/** + schedule a reboot in time_delta_usec microseconds + */ +void schedule_reboot(uint32_t time_delta_usec) +{ + reboot_time = hrt_absolute_time() + time_delta_usec; +} + +/** + check for a scheduled reboot + */ +static void check_reboot(void) +{ + if (reboot_time != 0 && hrt_absolute_time() > reboot_time) { + up_systemreset(); + } +} static void calculate_fw_crc(void) @@ -249,6 +268,8 @@ user_start(int argc, char *argv[]) heartbeat_blink(); } + check_reboot(); + #if 0 /* check for debug activity */ show_debug_messages(); diff --git a/src/modules/px4iofirmware/px4io.h b/src/modules/px4iofirmware/px4io.h index dea04a663..a0daa97ea 100644 --- a/src/modules/px4iofirmware/px4io.h +++ b/src/modules/px4iofirmware/px4io.h @@ -220,3 +220,7 @@ extern volatile uint8_t debug_level; /** send a debug message to the console */ extern void isr_debug(uint8_t level, const char *fmt, ...); + +/** schedule a reboot */ +extern void schedule_reboot(uint32_t time_delta_usec); + diff --git a/src/modules/px4iofirmware/registers.c b/src/modules/px4iofirmware/registers.c index 0358725db..ad4473073 100644 --- a/src/modules/px4iofirmware/registers.c +++ b/src/modules/px4iofirmware/registers.c @@ -518,16 +518,11 @@ registers_set_one(uint8_t page, uint8_t offset, uint16_t value) // check the magic value if (value != PX4IO_REBOOT_BL_MAGIC) break; - - // note that we don't set BL_WAIT_MAGIC in - // BKP_DR1 as that is not necessary given the - // timing of the forceupdate command. The - // bootloader on px4io waits for enough time - // anyway, and this method works with older - // bootloader versions (tested with both - // revision 3 and revision 4). - - up_systemreset(); + + // we schedule a reboot rather than rebooting + // immediately to allow the IO board to ACK + // the reboot command + schedule_reboot(100000); break; case PX4IO_P_SETUP_DSM: diff --git a/src/modules/sdlog2/sdlog2.c b/src/modules/sdlog2/sdlog2.c index e94b1e13c..06b1eddaa 100644 --- a/src/modules/sdlog2/sdlog2.c +++ b/src/modules/sdlog2/sdlog2.c @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. + * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. * Author: Lorenz Meier <lm@inf.ethz.ch> * Anton Babushkin <anton.babushkin@me.com> * @@ -702,6 +702,7 @@ int sdlog2_thread_main(int argc, char *argv[]) struct airspeed_s airspeed; struct esc_status_s esc; struct vehicle_global_velocity_setpoint_s global_vel_sp; + struct battery_status_s battery; } buf; memset(&buf, 0, sizeof(buf)); @@ -726,6 +727,7 @@ int sdlog2_thread_main(int argc, char *argv[]) int airspeed_sub; int esc_sub; int global_vel_sp_sub; + int battery_sub; } subs; /* log message buffer: header + body */ @@ -752,6 +754,7 @@ int sdlog2_thread_main(int argc, char *argv[]) struct log_GPSP_s log_GPSP; struct log_ESC_s log_ESC; struct log_GVSP_s log_GVSP; + struct log_BATT_s log_BATT; } body; } log_msg = { LOG_PACKET_HEADER_INIT(0) @@ -760,9 +763,9 @@ int sdlog2_thread_main(int argc, char *argv[]) memset(&log_msg.body, 0, sizeof(log_msg.body)); /* --- IMPORTANT: DEFINE NUMBER OF ORB STRUCTS TO WAIT FOR HERE --- */ - /* number of subscriptions */ - const ssize_t fdsc = 19; - /* sanity check variable and index */ + /* number of messages */ + const ssize_t fdsc = 25; + /* Sanity check variable and index */ ssize_t fdsc_count = 0; /* file descriptors to wait for */ struct pollfd fds[fdsc]; @@ -881,6 +884,12 @@ int sdlog2_thread_main(int argc, char *argv[]) fds[fdsc_count].events = POLLIN; fdsc_count++; + /* --- BATTERY --- */ + subs.battery_sub = orb_subscribe(ORB_ID(battery_status)); + fds[fdsc_count].fd = subs.battery_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + /* WARNING: If you get the error message below, * then the number of registered messages (fdsc) * differs from the number of messages in the above list. @@ -971,8 +980,6 @@ int sdlog2_thread_main(int argc, char *argv[]) log_msg.body.log_STAT.main_state = (uint8_t) buf_status.main_state; log_msg.body.log_STAT.navigation_state = (uint8_t) buf_status.navigation_state; log_msg.body.log_STAT.arming_state = (uint8_t) buf_status.arming_state; - log_msg.body.log_STAT.battery_voltage = buf_status.battery_voltage; - log_msg.body.log_STAT.battery_current = buf_status.battery_current; log_msg.body.log_STAT.battery_remaining = buf_status.battery_remaining; log_msg.body.log_STAT.battery_warning = (uint8_t) buf_status.battery_warning; log_msg.body.log_STAT.landed = (uint8_t) buf_status.condition_landed; @@ -1238,6 +1245,17 @@ int sdlog2_thread_main(int argc, char *argv[]) LOGBUFFER_WRITE_AND_COUNT(GVSP); } + /* --- BATTERY --- */ + if (fds[ifds++].revents & POLLIN) { + orb_copy(ORB_ID(battery_status), subs.battery_sub, &buf.battery); + log_msg.msg_type = LOG_BATT_MSG; + log_msg.body.log_BATT.voltage = buf.battery.voltage_v; + log_msg.body.log_BATT.voltage_filtered = buf.battery.voltage_filtered_v; + log_msg.body.log_BATT.current = buf.battery.current_a; + log_msg.body.log_BATT.discharged = buf.battery.discharged_mah; + LOGBUFFER_WRITE_AND_COUNT(BATT); + } + /* signal the other thread new data, but not yet unlock */ if (logbuffer_count(&lb) > MIN_BYTES_TO_WRITE) { /* only request write if several packets can be written at once */ diff --git a/src/modules/sdlog2/sdlog2_messages.h b/src/modules/sdlog2/sdlog2_messages.h index ab4dc9b00..a784a1f30 100644 --- a/src/modules/sdlog2/sdlog2_messages.h +++ b/src/modules/sdlog2/sdlog2_messages.h @@ -148,8 +148,6 @@ struct log_STAT_s { uint8_t main_state; uint8_t navigation_state; uint8_t arming_state; - float battery_voltage; - float battery_current; float battery_remaining; uint8_t battery_warning; uint8_t landed; @@ -248,6 +246,15 @@ struct log_GVSP_s { float vz; }; +/* --- BATT - BATTERY --- */ +#define LOG_BATT_MSG 20 +struct log_BATT_s { + float voltage; + float voltage_filtered; + float current; + float discharged; +}; + /* --- TIME - TIME STAMP --- */ #define LOG_TIME_MSG 129 struct log_TIME_s { @@ -281,7 +288,7 @@ static const struct log_format_s log_formats[] = { LOG_FORMAT(LPSP, "ffff", "X,Y,Z,Yaw"), LOG_FORMAT(GPS, "QBffLLfffff", "GPSTime,FixType,EPH,EPV,Lat,Lon,Alt,VelN,VelE,VelD,Cog"), LOG_FORMAT(ATTC, "ffff", "Roll,Pitch,Yaw,Thrust"), - LOG_FORMAT(STAT, "BBBfffBB", "MainState,NavState,ArmState,BatV,BatC,BatRem,BatWarn,Landed"), + LOG_FORMAT(STAT, "BBBfBB", "MainState,NavState,ArmState,BatRem,BatWarn,Landed"), LOG_FORMAT(RC, "ffffffffB", "Ch0,Ch1,Ch2,Ch3,Ch4,Ch5,Ch6,Ch7,Count"), LOG_FORMAT(OUT0, "ffffffff", "Out0,Out1,Out2,Out3,Out4,Out5,Out6,Out7"), LOG_FORMAT(AIRS, "ff", "IndSpeed,TrueSpeed"), @@ -291,6 +298,7 @@ static const struct log_format_s log_formats[] = { LOG_FORMAT(GPSP, "BLLfffbBffff", "AltRel,Lat,Lon,Alt,Yaw,LoiterR,LoiterDir,NavCmd,P1,P2,P3,P4"), LOG_FORMAT(ESC, "HBBBHHHHHHfH", "Counter,NumESC,Conn,N,Ver,Adr,Volt,Amp,RPM,Temp,SetP,SetPRAW"), LOG_FORMAT(GVSP, "fff", "VX,VY,VZ"), + LOG_FORMAT(BATT, "ffff", "V,VFilt,C,Discharged"), /* system-level messages, ID >= 0x80 */ // FMT: don't write format of format message, it's useless LOG_FORMAT(TIME, "Q", "StartTime"), diff --git a/src/modules/sensors/module.mk b/src/modules/sensors/module.mk index ebbc580e1..aa538fd6b 100644 --- a/src/modules/sensors/module.mk +++ b/src/modules/sensors/module.mk @@ -1,6 +1,6 @@ ############################################################################ # -# Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved. +# Copyright (c) 2012-2014 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 diff --git a/src/modules/sensors/sensor_params.c b/src/modules/sensors/sensor_params.c index 763723554..bbc84ef93 100644 --- a/src/modules/sensors/sensor_params.c +++ b/src/modules/sensors/sensor_params.c @@ -1,9 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: @author Lorenz Meier <lm@inf.ethz.ch> - * @author Thomas Gubler <thomasgubler@student.ethz.ch> - * @author Julian Oes <joes@student.ethz.ch> + * Copyright (c) 2012-2014 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 @@ -38,6 +35,10 @@ * @file sensor_params.c * * Parameters defined by the sensors task. + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Julian Oes <joes@student.ethz.ch> + * @author Thomas Gubler <thomasgubler@student.ethz.ch> */ #include <nuttx/config.h> @@ -45,41 +46,98 @@ #include <systemlib/param/param.h> /** - * Gyro X offset FIXME + * Gyro X offset * - * This is an X-axis offset for the gyro. - * Adjust it according to the calibration data. + * This is an X-axis offset for the gyro. Adjust it according to the calibration data. * * @min -10.0 * @max 10.0 - * @group Gyro Config + * @group Sensor Calibration */ PARAM_DEFINE_FLOAT(SENS_GYRO_XOFF, 0.0f); /** - * Gyro Y offset FIXME with dot. + * Gyro Y offset * * @min -10.0 * @max 10.0 - * @group Gyro Config + * @group Sensor Calibration */ PARAM_DEFINE_FLOAT(SENS_GYRO_YOFF, 0.0f); /** - * Gyro Z offset FIXME + * Gyro Z offset * * @min -5.0 * @max 5.0 - * @group Gyro Config + * @group Sensor Calibration */ PARAM_DEFINE_FLOAT(SENS_GYRO_ZOFF, 0.0f); +/** + * Gyro X scaling + * + * X-axis scaling. + * + * @min -1.5 + * @max 1.5 + * @group Sensor Calibration + */ PARAM_DEFINE_FLOAT(SENS_GYRO_XSCALE, 1.0f); + +/** + * Gyro Y scaling + * + * Y-axis scaling. + * + * @min -1.5 + * @max 1.5 + * @group Sensor Calibration + */ PARAM_DEFINE_FLOAT(SENS_GYRO_YSCALE, 1.0f); + +/** + * Gyro Z scaling + * + * Z-axis scaling. + * + * @min -1.5 + * @max 1.5 + * @group Sensor Calibration + */ PARAM_DEFINE_FLOAT(SENS_GYRO_ZSCALE, 1.0f); +/** + * Magnetometer X offset + * + * This is an X-axis offset for the magnetometer. + * + * @min -500.0 + * @max 500.0 + * @group Sensor Calibration + */ PARAM_DEFINE_FLOAT(SENS_MAG_XOFF, 0.0f); + +/** + * Magnetometer Y offset + * + * This is an Y-axis offset for the magnetometer. + * + * @min -500.0 + * @max 500.0 + * @group Sensor Calibration + */ PARAM_DEFINE_FLOAT(SENS_MAG_YOFF, 0.0f); + +/** + * Magnetometer Z offset + * + * This is an Z-axis offset for the magnetometer. + * + * @min -500.0 + * @max 500.0 + * @group Sensor Calibration + */ PARAM_DEFINE_FLOAT(SENS_MAG_ZOFF, 0.0f); PARAM_DEFINE_FLOAT(SENS_MAG_XSCALE, 1.0f); @@ -100,16 +158,114 @@ PARAM_DEFINE_INT32(SENS_DPRES_ANA, 0); PARAM_DEFINE_INT32(SENS_BOARD_ROT, 0); PARAM_DEFINE_INT32(SENS_EXT_MAG_ROT, 0); +/** + * RC Channel 1 Minimum + * + * Minimum value for RC channel 1 + * + * @min 800.0 + * @max 1500.0 + * @group Radio Calibration + */ PARAM_DEFINE_FLOAT(RC1_MIN, 1000.0f); + +/** + * RC Channel 1 Trim + * + * Mid point value (same as min for throttle) + * + * @min 800.0 + * @max 2200.0 + * @group Radio Calibration + */ PARAM_DEFINE_FLOAT(RC1_TRIM, 1500.0f); + +/** + * RC Channel 1 Maximum + * + * Maximum value for RC channel 1 + * + * @min 1500.0 + * @max 2200.0 + * @group Radio Calibration + */ PARAM_DEFINE_FLOAT(RC1_MAX, 2000.0f); + +/** + * RC Channel 1 Reverse + * + * Set to -1 to reverse channel. + * + * @min -1.0 + * @max 1.0 + * @group Radio Calibration + */ PARAM_DEFINE_FLOAT(RC1_REV, 1.0f); + +/** + * RC Channel 1 dead zone + * + * The +- range of this value around the trim value will be considered as zero. + * + * @min 0.0 + * @max 100.0 + * @group Radio Calibration + */ PARAM_DEFINE_FLOAT(RC1_DZ, 10.0f); -PARAM_DEFINE_FLOAT(RC2_MIN, 1000); -PARAM_DEFINE_FLOAT(RC2_TRIM, 1500); -PARAM_DEFINE_FLOAT(RC2_MAX, 2000); +/** + * RC Channel 2 Minimum + * + * Minimum value for RC channel 2 + * + * @min 800.0 + * @max 1500.0 + * @group Radio Calibration + */ +PARAM_DEFINE_FLOAT(RC2_MIN, 1000.0f); + +/** + * RC Channel 2 Trim + * + * Mid point value (same as min for throttle) + * + * @min 800.0 + * @max 2200.0 + * @group Radio Calibration + */ +PARAM_DEFINE_FLOAT(RC2_TRIM, 1500.0f); + +/** + * RC Channel 2 Maximum + * + * Maximum value for RC channel 2 + * + * @min 1500.0 + * @max 2200.0 + * @group Radio Calibration + */ +PARAM_DEFINE_FLOAT(RC2_MAX, 2000.0f); + +/** + * RC Channel 2 Reverse + * + * Set to -1 to reverse channel. + * + * @min -1.0 + * @max 1.0 + * @group Radio Calibration + */ PARAM_DEFINE_FLOAT(RC2_REV, 1.0f); + +/** + * RC Channel 2 dead zone + * + * The +- range of this value around the trim value will be considered as zero. + * + * @min 0.0 + * @max 100.0 + * @group Radio Calibration + */ PARAM_DEFINE_FLOAT(RC2_DZ, 10.0f); PARAM_DEFINE_FLOAT(RC3_MIN, 1000); @@ -223,6 +379,7 @@ PARAM_DEFINE_FLOAT(BAT_V_SCALING, 0.0082f); /* FMU with PX4IOAR: (3.3f * 52.0f / 5.0f / 4095.0f) */ PARAM_DEFINE_FLOAT(BAT_V_SCALING, 0.00459340659f); #endif +PARAM_DEFINE_FLOAT(BAT_C_SCALING, 0.0124); /* scaling for 3DR power brick */ PARAM_DEFINE_INT32(RC_MAP_ROLL, 1); PARAM_DEFINE_INT32(RC_MAP_PITCH, 2); diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp index d9f037c27..ff6c5882e 100644 --- a/src/modules/sensors/sensors.cpp +++ b/src/modules/sensors/sensors.cpp @@ -114,6 +114,7 @@ #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 #define ADC_BATTERY_VOLTAGE_CHANNEL 10 +#define ADC_BATTERY_CURRENT_CHANNEL -1 #define ADC_AIRSPEED_VOLTAGE_CHANNEL 11 #endif @@ -124,10 +125,8 @@ #define ADC_AIRSPEED_VOLTAGE_CHANNEL 15 #endif -#define BAT_VOL_INITIAL 0.f -#define BAT_VOL_LOWPASS_1 0.99f -#define BAT_VOL_LOWPASS_2 0.01f -#define VOLTAGE_BATTERY_IGNORE_THRESHOLD_VOLTS 3.5f +#define BATT_V_LOWPASS 0.001f +#define BATT_V_IGNORE_THRESHOLD 3.5f /** * HACK - true temperature is much less than indicated temperature in baro, @@ -215,6 +214,9 @@ private: math::Matrix _external_mag_rotation; /**< rotation matrix for the orientation that an external mag is mounted */ bool _mag_is_external; /**< true if the active mag is on an external board */ + uint64_t _battery_discharged; /**< battery discharged current in mA*ms */ + hrt_abstime _battery_current_timestamp; /**< timestamp of last battery current reading */ + struct { float min[_rc_max_chan_count]; float trim[_rc_max_chan_count]; @@ -265,6 +267,7 @@ private: float rc_fs_thr; float battery_voltage_scaling; + float battery_current_scaling; } _parameters; /**< local copies of interesting parameters */ @@ -314,6 +317,7 @@ private: param_t rc_fs_thr; param_t battery_voltage_scaling; + param_t battery_current_scaling; param_t board_rotation; param_t external_mag_rotation; @@ -467,7 +471,9 @@ Sensors::Sensors() : _board_rotation(3, 3), _external_mag_rotation(3, 3), - _mag_is_external(false) + _mag_is_external(false), + _battery_discharged(0), + _battery_current_timestamp(0) { /* basic r/c parameters */ @@ -560,6 +566,7 @@ Sensors::Sensors() : _parameter_handles.diff_pres_analog_enabled = param_find("SENS_DPRES_ANA"); _parameter_handles.battery_voltage_scaling = param_find("BAT_V_SCALING"); + _parameter_handles.battery_current_scaling = param_find("BAT_C_SCALING"); /* rotations */ _parameter_handles.board_rotation = param_find("SENS_BOARD_ROT"); @@ -740,6 +747,11 @@ Sensors::parameters_update() warnx("Failed updating voltage scaling param"); } + /* scaling of ADC ticks to battery current */ + if (param_get(_parameter_handles.battery_current_scaling, &(_parameters.battery_current_scaling)) != OK) { + warnx("Failed updating current scaling param"); + } + param_get(_parameter_handles.board_rotation, &(_parameters.board_rotation)); param_get(_parameter_handles.external_mag_rotation, &(_parameters.external_mag_rotation)); @@ -1157,17 +1169,16 @@ Sensors::adc_poll(struct sensor_combined_s &raw) if (!_publishing) return; + hrt_abstime t = hrt_absolute_time(); /* rate limit to 100 Hz */ - if (hrt_absolute_time() - _last_adc >= 10000) { + if (t - _last_adc >= 10000) { /* make space for a maximum of eight channels */ struct adc_msg_s buf_adc[8]; /* read all channels available */ int ret = read(_fd_adc, &buf_adc, sizeof(buf_adc)); - for (unsigned i = 0; i < sizeof(buf_adc) / sizeof(buf_adc[0]); i++) { - - if (ret >= (int)sizeof(buf_adc[0])) { - + if (ret >= (int)sizeof(buf_adc[0])) { + for (unsigned i = 0; i < sizeof(buf_adc) / sizeof(buf_adc[0]); i++) { /* Save raw voltage values */ if (i < (sizeof(raw.adc_voltage_v)) / sizeof(raw.adc_voltage_v[0])) { raw.adc_voltage_v[i] = buf_adc[i].am_data / (4096.0f / 3.3f); @@ -1178,27 +1189,40 @@ Sensors::adc_poll(struct sensor_combined_s &raw) /* Voltage in volts */ float voltage = (buf_adc[i].am_data * _parameters.battery_voltage_scaling); - if (voltage > VOLTAGE_BATTERY_IGNORE_THRESHOLD_VOLTS) { - + if (voltage > BATT_V_IGNORE_THRESHOLD) { + _battery_status.voltage_v = voltage; /* one-time initialization of low-pass value to avoid long init delays */ - if (_battery_status.voltage_v < 3.0f) { - _battery_status.voltage_v = voltage; + if (_battery_status.voltage_filtered_v < BATT_V_IGNORE_THRESHOLD) { + _battery_status.voltage_filtered_v = voltage; } - _battery_status.timestamp = hrt_absolute_time(); - _battery_status.voltage_v = (BAT_VOL_LOWPASS_1 * (_battery_status.voltage_v + BAT_VOL_LOWPASS_2 * voltage));; - /* current and discharge are unknown */ - _battery_status.current_a = -1.0f; - _battery_status.discharged_mah = -1.0f; + _battery_status.timestamp = t; + _battery_status.voltage_filtered_v += (voltage - _battery_status.voltage_filtered_v) * BATT_V_LOWPASS; - /* announce the battery voltage if needed, just publish else */ - if (_battery_pub > 0) { - orb_publish(ORB_ID(battery_status), _battery_pub, &_battery_status); + } else { + /* mark status as invalid */ + _battery_status.voltage_v = -1.0f; + _battery_status.voltage_filtered_v = -1.0f; + } - } else { - _battery_pub = orb_advertise(ORB_ID(battery_status), &_battery_status); + } else if (ADC_BATTERY_CURRENT_CHANNEL == buf_adc[i].am_channel) { + /* handle current only if voltage is valid */ + if (_battery_status.voltage_v > 0.0f) { + float current = (buf_adc[i].am_data * _parameters.battery_current_scaling); + /* check measured current value */ + if (current >= 0.0f) { + _battery_status.timestamp = t; + _battery_status.current_a = current; + if (_battery_current_timestamp != 0) { + /* initialize discharged value */ + if (_battery_status.discharged_mah < 0.0f) + _battery_status.discharged_mah = 0.0f; + _battery_discharged += current * (t - _battery_current_timestamp); + _battery_status.discharged_mah = ((float) _battery_discharged) / 3600000.0f; + } } } + _battery_current_timestamp = t; } else if (ADC_AIRSPEED_VOLTAGE_CHANNEL == buf_adc[i].am_channel) { @@ -1214,7 +1238,7 @@ Sensors::adc_poll(struct sensor_combined_s &raw) float diff_pres_pa = voltage * 1000.0f - _parameters.diff_pres_offset_pa; //for MPXV7002DP sensor - _diff_pres.timestamp = hrt_absolute_time(); + _diff_pres.timestamp = t; _diff_pres.differential_pressure_pa = diff_pres_pa; _diff_pres.voltage = voltage; @@ -1227,8 +1251,16 @@ Sensors::adc_poll(struct sensor_combined_s &raw) } } } - - _last_adc = hrt_absolute_time(); + } + _last_adc = t; + if (_battery_status.voltage_v > 0.0f) { + /* announce the battery status if needed, just publish else */ + if (_battery_pub > 0) { + orb_publish(ORB_ID(battery_status), _battery_pub, &_battery_status); + + } else { + _battery_pub = orb_advertise(ORB_ID(battery_status), &_battery_status); + } } } } @@ -1516,7 +1548,10 @@ Sensors::task_main() raw.adc_voltage_v[3] = 0.0f; memset(&_battery_status, 0, sizeof(_battery_status)); - _battery_status.voltage_v = BAT_VOL_INITIAL; + _battery_status.voltage_v = 0.0f; + _battery_status.voltage_filtered_v = 0.0f; + _battery_status.current_a = -1.0f; + _battery_status.discharged_mah = -1.0f; /* get a set of initial values */ accel_poll(raw); diff --git a/src/modules/systemlib/board_serial.c b/src/modules/systemlib/board_serial.c new file mode 100644 index 000000000..ad8c2bf83 --- /dev/null +++ b/src/modules/systemlib/board_serial.c @@ -0,0 +1,60 @@ +/**************************************************************************** + * + * Copyright (c) 2012-2014 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 + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file board_serial.h + * Read off the board serial + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author David "Buzz" Bussenschutt <davidbuzz@gmail.com> + * + */ + +#include "otp.h" +#include "board_config.h" +#include "board_serial.h" + +int get_board_serial(char *serialid) +{ + const volatile unsigned *udid_ptr = (const unsigned *)UDID_START; + union udid id; + val_read((unsigned *)&id, udid_ptr, sizeof(id)); + + + /* Copy the serial from the chips non-write memory and swap endianess */ + serialid[0] = id.data[3]; serialid[1] = id.data[2]; serialid[2] = id.data[1]; serialid[3] = id.data[0]; + serialid[4] = id.data[7]; serialid[5] = id.data[6]; serialid[6] = id.data[5]; serialid[7] = id.data[4]; + serialid[8] = id.data[11]; serialid[9] = id.data[10]; serialid[10] = id.data[9]; serialid[11] = id.data[8]; + + return 0; +}
\ No newline at end of file diff --git a/src/modules/systemlib/board_serial.h b/src/modules/systemlib/board_serial.h new file mode 100644 index 000000000..b14bb4376 --- /dev/null +++ b/src/modules/systemlib/board_serial.h @@ -0,0 +1,49 @@ +/**************************************************************************** + * + * Copyright (c) 2012-2014 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 + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file board_serial.h + * Read off the board serial + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author David "Buzz" Bussenschutt <davidbuzz@gmail.com> + * + */ + +#pragma once + +__BEGIN_DECLS + +__EXPORT int get_board_serial(char *serialid); + +__END_DECLS diff --git a/src/modules/systemlib/bson/tinybson.c b/src/modules/systemlib/bson/tinybson.c index 8aca6a25d..49403c98b 100644 --- a/src/modules/systemlib/bson/tinybson.c +++ b/src/modules/systemlib/bson/tinybson.c @@ -407,6 +407,9 @@ bson_encoder_fini(bson_encoder_t encoder) memcpy(encoder->buf, &len, sizeof(len)); } + /* sync file */ + fsync(encoder->fd); + return 0; } diff --git a/src/modules/systemlib/module.mk b/src/modules/systemlib/module.mk index 843cda722..8c6c300d6 100644 --- a/src/modules/systemlib/module.mk +++ b/src/modules/systemlib/module.mk @@ -49,4 +49,7 @@ SRCS = err.c \ airspeed.c \ system_params.c \ mavlink_log.c \ - rc_check.c + rc_check.c \ + otp.c \ + board_serial.c + diff --git a/src/modules/systemlib/otp.c b/src/modules/systemlib/otp.c new file mode 100644 index 000000000..695574fdc --- /dev/null +++ b/src/modules/systemlib/otp.c @@ -0,0 +1,224 @@ +/**************************************************************************** + * + * Copyright (C) 2012-2013 PX4 Development Team. All rights reserved. + * Authors: + * Lorenz Meier <lm@inf.ethz.ch> + * David "Buzz" Bussenschutt <davidbuzz@gmail.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file otp.c + * otp estimation + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author David "Buzz" Bussenschutt <davidbuzz@gmail.com> + * + */ + +#include <nuttx/config.h> +#include <board_config.h> +#include <stdio.h> +#include <math.h> +#include <unistd.h> +#include <string.h> // memset +#include "conversions.h" +#include "otp.h" +#include "err.h" // warnx +#include <assert.h> + + +int val_read(void *dest, volatile const void *src, int bytes) +{ + + int i; + + for (i = 0; i < bytes / 4; i++) { + *(((volatile unsigned *)dest) + i) = *(((volatile unsigned *)src) + i); + } + + return i * 4; +} + + +int write_otp(uint8_t id_type, uint32_t vid, uint32_t pid, char *signature) +{ + + warnx("write_otp: PX4 / %02X / %02X / %02X / ... etc \n", id_type, vid, pid); + + int errors = 0; + + // descriptor + if (F_write_byte(ADDR_OTP_START, 'P')) + errors++; + // write the 'P' from PX4. to first byte in OTP + if (F_write_byte(ADDR_OTP_START + 1, 'X')) + errors++; // write the 'P' from PX4. to first byte in OTP + if (F_write_byte(ADDR_OTP_START + 2, '4')) + errors++; + if (F_write_byte(ADDR_OTP_START + 3, '\0')) + errors++; + //id_type + if (F_write_byte(ADDR_OTP_START + 4, id_type)) + errors++; + // vid and pid are 4 bytes each + if (F_write_word(ADDR_OTP_START + 5, vid)) + errors++; + if (F_write_word(ADDR_OTP_START + 9, pid)) + errors++; + + // leave some 19 bytes of space, and go to the next block... + // then the auth sig starts + for (int i = 0 ; i < 128 ; i++) { + if (F_write_byte(ADDR_OTP_START + 32 + i, signature[i])) + errors++; + } + + return errors; +} + +int lock_otp(void) +{ + //determine the required locking size - can only write full lock bytes */ +// int size = sizeof(struct otp) / 32; +// +// struct otp_lock otp_lock_mem; +// +// memset(&otp_lock_mem, OTP_LOCK_UNLOCKED, sizeof(otp_lock_mem)); +// for (int i = 0; i < sizeof(otp_lock_mem) / sizeof(otp_lock_mem.lock_bytes[0]); i++) +// otp_lock_mem.lock_bytes[i] = OTP_LOCK_LOCKED; + //XXX add the actual call here to write the OTP_LOCK bytes only at final stage + // val_copy(lock_ptr, &otp_lock_mem, sizeof(otp_lock_mem)); + + int locksize = 5; + + int errors = 0; + + // or just realise it's exctly 5x 32byte blocks we need to lock. 1 block for ID,type,vid,pid, and 4 blocks for certificate, which is 128 bytes. + for (int i = 0 ; i < locksize ; i++) { + if (F_write_byte(ADDR_OTP_LOCK_START + i, OTP_LOCK_LOCKED)) + errors++; + } + + return errors; +} + + + +// COMPLETE, BUSY, or other flash error? +int F_GetStatus(void) +{ + int fs = F_COMPLETE; + + if ((FLASH->status & F_BSY) == F_BSY) { fs = F_BUSY; } else { + + if ((FLASH->status & F_WRPERR) != (uint32_t)0x00) { fs = F_ERROR_WRP; } else { + + if ((FLASH->status & (uint32_t)0xEF) != (uint32_t)0x00) { fs = F_ERROR_PROGRAM; } else { + + if ((FLASH->status & F_OPERR) != (uint32_t)0x00) { fs = F_ERROR_OPERATION; } else { + fs = F_COMPLETE; + } + } + } + } + + return fs; +} + + +// enable FLASH Registers +void F_unlock(void) +{ + if ((FLASH->control & F_CR_LOCK) != 0) { + FLASH->key = F_KEY1; + FLASH->key = F_KEY2; + } +} + +// lock the FLASH Registers +void F_lock(void) +{ + FLASH->control |= F_CR_LOCK; +} + +// flash write word. +int F_write_word(uint32_t Address, uint32_t Data) +{ + unsigned char octet[4] = {0, 0, 0, 0}; + + int ret = 0; + + for (int i = 0; i < 4; i++) { + octet[i] = (Data >> (i * 8)) & 0xFF; + ret = F_write_byte(Address + i, octet[i]); + } + + return ret; +} + +// flash write byte +int F_write_byte(uint32_t Address, uint8_t Data) +{ + volatile int status = F_COMPLETE; + + //warnx("F_write_byte: %08X %02d", Address , Data ) ; + + //Check the parameters + assert(IS_F_ADDRESS(Address)); + + //Wait for FLASH operation to complete by polling on BUSY flag. + status = F_GetStatus(); + + while (status == F_BUSY) { status = F_GetStatus();} + + if (status == F_COMPLETE) { + //if the previous operation is completed, proceed to program the new data + FLASH->control &= CR_PSIZE_MASK; + FLASH->control |= F_PSIZE_BYTE; + FLASH->control |= F_CR_PG; + + *(volatile uint8_t *)Address = Data; + + //Wait for FLASH operation to complete by polling on BUSY flag. + status = F_GetStatus(); + + while (status == F_BUSY) { status = F_GetStatus();} + + //if the program operation is completed, disable the PG Bit + FLASH->control &= (~F_CR_PG); + } + + //Return the Program Status + return !(status == F_COMPLETE); +} + + + diff --git a/src/modules/systemlib/otp.h b/src/modules/systemlib/otp.h new file mode 100644 index 000000000..f10e129d8 --- /dev/null +++ b/src/modules/systemlib/otp.h @@ -0,0 +1,151 @@ +/**************************************************************************** + * + * Copyright (c) 2012-2014 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 + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file otp.h + * One TIme Programmable ( OTP ) Flash routine/s. + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author David "Buzz" Bussenschutt <davidbuzz@gmail.com> + * + */ + +#ifndef OTP_H_ +#define OTP_H_ + +__BEGIN_DECLS + +#define ADDR_OTP_START 0x1FFF7800 +#define ADDR_OTP_LOCK_START 0x1FFF7A00 + +#define OTP_LOCK_LOCKED 0x00 +#define OTP_LOCK_UNLOCKED 0xFF + + + +#include <unistd.h> +#include <stdio.h> + +// possible flash statuses +#define F_BUSY 1 +#define F_ERROR_WRP 2 +#define F_ERROR_PROGRAM 3 +#define F_ERROR_OPERATION 4 +#define F_COMPLETE 5 + +typedef struct { + volatile uint32_t accesscontrol; // 0x00 + volatile uint32_t key; // 0x04 + volatile uint32_t optionkey; // 0x08 + volatile uint32_t status; // 0x0C + volatile uint32_t control; // 0x10 + volatile uint32_t optioncontrol; //0x14 +} flash_registers; + +#define PERIPH_BASE ((uint32_t)0x40000000) //Peripheral base address +#define AHB1PERIPH_BASE (PERIPH_BASE + 0x00020000) +#define F_R_BASE (AHB1PERIPH_BASE + 0x3C00) +#define FLASH ((flash_registers *) F_R_BASE) + +#define F_BSY ((uint32_t)0x00010000) //FLASH Busy flag bit +#define F_OPERR ((uint32_t)0x00000002) //FLASH operation Error flag bit +#define F_WRPERR ((uint32_t)0x00000010) //FLASH Write protected error flag bit +#define CR_PSIZE_MASK ((uint32_t)0xFFFFFCFF) +#define F_PSIZE_WORD ((uint32_t)0x00000200) +#define F_PSIZE_BYTE ((uint32_t)0x00000000) +#define F_CR_PG ((uint32_t)0x00000001) // a bit in the F_CR register +#define F_CR_LOCK ((uint32_t)0x80000000) // also another bit. + +#define F_KEY1 ((uint32_t)0x45670123) +#define F_KEY2 ((uint32_t)0xCDEF89AB) +#define IS_F_ADDRESS(ADDRESS) ((((ADDRESS) >= 0x08000000) && ((ADDRESS) < 0x080FFFFF)) || (((ADDRESS) >= 0x1FFF7800) && ((ADDRESS) < 0x1FFF7A0F))) + + + +#pragma pack(push, 1) + +/* + * The OTP area is divided into 16 OTP data blocks of 32 bytes and one lock OTP block of 16 bytes. + * The OTP data and lock blocks cannot be erased. The lock block contains 16 bytes LOCKBi (0 ≤ i ≤ 15) + * to lock the corresponding OTP data block (blocks 0 to 15). Each OTP data block can be programmed + * until the value 0x00 is programmed in the corresponding OTP lock byte. The lock bytes must only + * contain 0x00 and 0xFF values, otherwise the OTP bytes might not be taken into account correctly. + */ + +struct otp { + // first 32 bytes = the '0' Block + char id[4]; ///4 bytes < 'P' 'X' '4' '\n' + uint8_t id_type; ///1 byte < 0 for USB VID, 1 for generic VID + uint32_t vid; ///4 bytes + uint32_t pid; ///4 bytes + char unused[19]; ///19 bytes + // Cert-of-Auth is next 4 blocks ie 1-4 ( where zero is first block ) + char signature[128]; + // insert extras here + uint32_t lock_bytes[4]; +}; + +struct otp_lock { + uint8_t lock_bytes[16]; +}; +#pragma pack(pop) + +#define ADDR_F_SIZE 0x1FFF7A22 + +#pragma pack(push, 1) +union udid { + uint32_t serial[3]; + char data[12]; +}; +#pragma pack(pop) + + +/** + * s + */ +//__EXPORT float calc_indicated_airspeed(float differential_pressure); + +__EXPORT void F_unlock(void); +__EXPORT void F_lock(void); +__EXPORT int val_read(void *dest, volatile const void *src, int bytes); +__EXPORT int val_write(volatile void *dest, const void *src, int bytes); +__EXPORT int write_otp(uint8_t id_type, uint32_t vid, uint32_t pid, char *signature); +__EXPORT int lock_otp(void); + + +__EXPORT int F_write_byte(uint32_t Address, uint8_t Data); +__EXPORT int F_write_word(uint32_t Address, uint32_t Data); + +__END_DECLS + +#endif diff --git a/src/modules/systemlib/param/param.c b/src/modules/systemlib/param/param.c index 398657dd7..2d773fd25 100644 --- a/src/modules/systemlib/param/param.c +++ b/src/modules/systemlib/param/param.c @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * Copyright (c) 2012-2014 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 @@ -61,7 +61,7 @@ #include "uORB/uORB.h" #include "uORB/topics/parameter_update.h" -#if 1 +#if 0 # define debug(fmt, args...) do { warnx(fmt, ##args); } while(0) #else # define debug(fmt, args...) do { } while(0) @@ -512,6 +512,28 @@ param_save_default(void) int fd; const char *filename = param_get_default_file(); + + /* write parameters to temp file */ + fd = open(filename, O_WRONLY | O_CREAT); + + if (fd < 0) { + warn("failed to open param file: %s", filename); + return ERROR; + } + + if (res == OK) { + res = param_export(fd, false); + + if (res != OK) { + warnx("failed to write parameters to file: %s", filename); + } + } + + close(fd); + + return res; + +#if 0 const char *filename_tmp = malloc(strlen(filename) + 5); sprintf(filename_tmp, "%s.tmp", filename); @@ -565,6 +587,7 @@ param_save_default(void) free(filename_tmp); return res; +#endif } /** @@ -573,9 +596,9 @@ param_save_default(void) int param_load_default(void) { - int fd = open(param_get_default_file(), O_RDONLY); + int fd_load = open(param_get_default_file(), O_RDONLY); - if (fd < 0) { + if (fd_load < 0) { /* no parameter file is OK, otherwise this is an error */ if (errno != ENOENT) { warn("open '%s' for reading failed", param_get_default_file()); @@ -584,8 +607,8 @@ param_load_default(void) return 1; } - int result = param_load(fd); - close(fd); + int result = param_load(fd_load); + close(fd_load); if (result != 0) { warn("error reading parameters from '%s'", param_get_default_file()); diff --git a/src/modules/uORB/topics/battery_status.h b/src/modules/uORB/topics/battery_status.h index c40d0d4e5..d473dff3f 100644 --- a/src/modules/uORB/topics/battery_status.h +++ b/src/modules/uORB/topics/battery_status.h @@ -53,9 +53,10 @@ */ struct battery_status_s { uint64_t timestamp; /**< microseconds since system boot, needed to integrate */ - float voltage_v; /**< Battery voltage in volts, filtered */ - float current_a; /**< Battery current in amperes, filtered, -1 if unknown */ - float discharged_mah; /**< Discharged amount in mAh, filtered, -1 if unknown */ + float voltage_v; /**< Battery voltage in volts, 0 if unknown */ + float voltage_filtered_v; /**< Battery voltage in volts, filtered, 0 if unknown */ + float current_a; /**< Battery current in amperes, -1 if unknown */ + float discharged_mah; /**< Discharged amount in mAh, -1 if unknown */ }; /** @@ -65,4 +66,4 @@ struct battery_status_s { /* register this as object request broker structure */ ORB_DECLARE(battery_status); -#endif
\ No newline at end of file +#endif |