kopia lustrzana https://github.com/SP8EBC/ParaTNC
723 wiersze
21 KiB
C
723 wiersze
21 KiB
C
/*
|
|
* wx_handler.c
|
|
*
|
|
* Created on: 26.01.2019
|
|
* Author: mateusz
|
|
*/
|
|
|
|
#include "wx_handler.h"
|
|
|
|
#include <rte_wx.h>
|
|
#include <rte_rtu.h>
|
|
#include <math.h>
|
|
#include <stm32f10x.h>
|
|
#include "drivers/_dht22.h"
|
|
#include "drivers/ms5611.h"
|
|
#include "drivers/bme280.h"
|
|
#include "drivers/analog_anemometer.h"
|
|
#include "drivers/tx20.h"
|
|
|
|
#include "station_config.h"
|
|
|
|
#include "config_data.h"
|
|
|
|
#ifdef _MODBUS_RTU
|
|
#include "modbus_rtu/rtu_getters.h"
|
|
#include "modbus_rtu/rtu_return_values.h"
|
|
#endif
|
|
|
|
#include "delay.h"
|
|
#include "telemetry.h"
|
|
#include "main.h"
|
|
|
|
#define WX_WATCHDOG_PERIOD (SYSTICK_TICKS_PER_SECONDS * SYSTICK_TICKS_PERIOD * 90)
|
|
#define WX_WATCHDOG_RESET_DURATION (SYSTICK_TICKS_PER_SECONDS * SYSTICK_TICKS_PERIOD * 3)
|
|
|
|
#define WX_MAX_TEMPERATURE_SLEW_RATE 4.0f
|
|
|
|
uint32_t wx_last_good_temperature_time = 0;
|
|
uint32_t wx_last_good_wind_time = 0;
|
|
wx_pwr_state_t wx_pwr_state;
|
|
uint8_t wx_inhibit_slew_rate_check = 1;
|
|
uint32_t wx_wind_pool_call_counter = 0;
|
|
|
|
static const float direction_constant = M_PI/180.0f;
|
|
|
|
#define MODBUS_QF_TEMPERATURE_FULL 1
|
|
#define MODBUS_QF_TEMPERATURE_DEGR (1 << 1)
|
|
#define MODBUS_QF_TEMPERATURE_NAVB (1 << 2)
|
|
#define MODBUS_QF_HUMIDITY_FULL (1 << 3)
|
|
#define MODBUS_QF_HUMIDITY_DEGR (1 << 4)
|
|
#define MODBUS_QF_PRESSURE_FULL (1 << 5)
|
|
#define MODBUS_QF_PRESSURE_DEGR (1 << 6)
|
|
|
|
void wx_get_all_measurements(void) {
|
|
|
|
int8_t j = 0;
|
|
int32_t i = 0;
|
|
int32_t return_value = 0;
|
|
int8_t modbus_qf = 0;
|
|
float pressure_average_sum = 0.0f;
|
|
|
|
//#if defined(_UMB_MASTER) && !defined(_DAVIS_SERIAL) && !defined(_MODBUS_RTU)
|
|
if (config_data_mode.wx_umb == 1) {
|
|
if (rte_wx_umb_qf == UMB_QF_FULL) {
|
|
rte_wx_temperature_average_dallas_valid = umb_get_temperature();
|
|
rte_wx_pressure_valid = umb_get_qfe();
|
|
}
|
|
}
|
|
//#endif
|
|
|
|
#if !defined(_UMB_MASTER) && !defined(_DAVIS_SERIAL) && defined(_MODBUS_RTU)
|
|
|
|
#ifdef _RTU_SLAVE_TEMPERATURE_SOURCE
|
|
return_value = rtu_get_temperature(&rte_wx_temperature_average_dallas_valid);
|
|
|
|
// if temperature has been uploaded by the modbus sensor correctly
|
|
if (return_value == MODBUS_RET_OK) {
|
|
// update the last measurement timestamp to prevent relay clicking
|
|
rte_wx_update_last_measuremenet_timers(RTE_WX_MEASUREMENT_TEMPERATURE);
|
|
|
|
// set the first bit to signalize QF_FULL
|
|
modbus_qf |= MODBUS_QF_TEMPERATURE_FULL;
|
|
}
|
|
else if (return_value == MODBUS_RET_DEGRADED) {
|
|
// update the last measurement timestamp to prevent relay clicking
|
|
rte_wx_update_last_measuremenet_timers(RTE_WX_MEASUREMENT_TEMPERATURE);
|
|
|
|
// set the second bit to signalize QF_DEGRADED
|
|
modbus_qf |= MODBUS_QF_TEMPERATURE_DEGR;
|
|
}
|
|
else {
|
|
// set third bit if there is something wrong (like not avaliable or
|
|
// not configured
|
|
modbus_qf |= MODBUS_QF_TEMPERATURE_NAVB;
|
|
}
|
|
#endif
|
|
|
|
// modbus rtu HUMIDITY
|
|
#ifdef _RTU_SLAVE_HUMIDITY_SOURCE
|
|
return_value = rtu_get_humidity(&rte_wx_humidity_valid);
|
|
|
|
// do simmilar things but for humidity
|
|
if (return_value == MODBUS_RET_OK) {
|
|
modbus_qf |= MODBUS_QF_HUMIDITY_FULL;
|
|
}
|
|
else if (return_value == MODBUS_RET_DEGRADED) {
|
|
modbus_qf |= MODBUS_QF_HUMIDITY_DEGR;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
#endif
|
|
|
|
// modbus rtu PRESSURE
|
|
#ifdef _RTU_SLAVE_PRESSURE_SOURCE
|
|
return_value = rtu_get_pressure(&rte_wx_pressure_valid);
|
|
|
|
// do simmilar things but for pressure
|
|
if (return_value == MODBUS_RET_OK) {
|
|
modbus_qf |= MODBUS_QF_PRESSURE_FULL;
|
|
}
|
|
else if (return_value == MODBUS_RET_DEGRADED) {
|
|
modbus_qf |= MODBUS_QF_PRESSURE_DEGR;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
#if (!defined(_UMB_MASTER) && !defined(_DAVIS_SERIAL) && !defined(_MODBUS_RTU) && defined (_SENSOR_MS5611)) || (defined (_SENSOR_MS5611) && defined (_MODBUS_RTU))
|
|
// quering MS5611 sensor for temperature
|
|
return_value = ms5611_get_temperature(&rte_wx_temperature_ms, &rte_wx_ms5611_qf);
|
|
|
|
if (return_value == MS5611_OK) {
|
|
rte_wx_temperature_ms_valid = rte_wx_temperature_ms;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#if (!defined(_UMB_MASTER) && !defined(_DAVIS_SERIAL) && !defined(_MODBUS_RTU) && defined (_SENSOR_BME280)) || (defined (_SENSOR_BME280) && defined (_MODBUS_RTU))
|
|
|
|
// reading raw values from BME280 sensor
|
|
return_value = bme280_read_raw_data(bme280_data_buffer);
|
|
|
|
if (return_value == BME280_OK) {
|
|
|
|
// setting back the Quality Factor to FULL to trace any problems with sensor readouts
|
|
rte_wx_bme280_qf = BME280_QF_FULL;
|
|
|
|
// converting raw values to temperature
|
|
bme280_get_temperature(&rte_wx_temperature_ms, bme280_get_adc_t(), &rte_wx_bme280_qf);
|
|
|
|
// if modbus RTU is enabled but the quality factor for RTU-pressure is set to NOT_AVALIABLE
|
|
if ((modbus_qf & MODBUS_QF_PRESSURE_FULL) == 0 && (modbus_qf & MODBUS_QF_PRESSURE_DEGR) == 0) {
|
|
// converting raw values to pressure
|
|
bme280_get_pressure(&rte_wx_pressure, bme280_get_adc_p(), &rte_wx_bme280_qf);
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
|
|
// if modbus RTU is enabled but the quality factor for RTU-humidity is set to NOT_AVALIABLE
|
|
if ((modbus_qf & MODBUS_QF_HUMIDITY_FULL) == 0 && (modbus_qf & MODBUS_QF_HUMIDITY_DEGR) == 0) {
|
|
// converting raw values to humidity
|
|
bme280_get_humidity(&rte_wx_humidity, bme280_get_adc_h(), &rte_wx_bme280_qf);
|
|
}
|
|
else {
|
|
; // if the RTU-humidity is set to FULL use that value instead of BME280
|
|
}
|
|
|
|
if (rte_wx_bme280_qf == BME280_QF_FULL) {
|
|
|
|
// always read the temperature as it is used as an internal temperature in 5th telemetry channel
|
|
rte_wx_temperature_ms_valid = rte_wx_temperature_ms;
|
|
|
|
// if modbus RTU is enabled but the quality factor for RTU-humidity is set to non FULL
|
|
if ((modbus_qf & MODBUS_QF_HUMIDITY_FULL) == 0 && (modbus_qf & MODBUS_QF_HUMIDITY_DEGR) == 0) {
|
|
rte_wx_humidity_valid = rte_wx_humidity;
|
|
}
|
|
else {
|
|
; // if humidity was obtained from RTU sensor use that value and do not bother with BME280
|
|
}
|
|
|
|
if ((modbus_qf & MODBUS_QF_PRESSURE_FULL) == 0 && (modbus_qf & MODBUS_QF_PRESSURE_DEGR) == 0) {
|
|
rte_wx_pressure_valid = rte_wx_pressure;
|
|
|
|
// add the current pressure into buffer
|
|
rte_wx_pressure_history[rte_wx_pressure_it++] = rte_wx_pressure;
|
|
|
|
// reseting the average length iterator
|
|
j = 0;
|
|
|
|
// check if and end of the buffer was reached
|
|
if (rte_wx_pressure_it >= PRESSURE_AVERAGE_LN) {
|
|
rte_wx_pressure_it = 0;
|
|
}
|
|
|
|
// calculating the average of pressure measuremenets
|
|
for (i = 0; i < PRESSURE_AVERAGE_LN; i++) {
|
|
|
|
// skip empty slots in the history to provide proper value even for first wx packet
|
|
if (rte_wx_pressure_history[i] < 10.0f) {
|
|
continue;
|
|
}
|
|
|
|
// add to the average
|
|
pressure_average_sum += rte_wx_pressure_history[i];
|
|
|
|
// increase the average lenght iterator
|
|
j++;
|
|
}
|
|
|
|
rte_wx_pressure_valid = pressure_average_sum / (float)j;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// set the quality factor is sensor is not responding on the i2c bus
|
|
rte_wx_bme280_qf = BME280_QF_NOT_AVAILABLE;
|
|
}
|
|
#endif
|
|
|
|
#if (!defined(_UMB_MASTER) && !defined(_DAVIS_SERIAL) && !defined(_MODBUS_RTU)) || defined (_DALLAS_AS_TELEM) || defined (_MODBUS_RTU) //&& !defined(_RTU_SLAVE_TEMPERATURE_SOURCE)
|
|
|
|
rte_wx_temperature_dallas = dallas_query(&rte_wx_current_dallas_qf);
|
|
|
|
// checking if communication was successfull
|
|
if (rte_wx_temperature_dallas != -128.0f && ((modbus_qf & MODBUS_QF_TEMPERATURE_FULL) == 0)) {
|
|
|
|
// calculate the slew rate
|
|
rte_wx_temperature_dalls_slew_rate = rte_wx_temperature_dallas - rte_wx_temperature_dallas_valid;
|
|
|
|
// chcecking the positive (ascending) slew rate of the temperature measuremenets
|
|
if (rte_wx_temperature_dalls_slew_rate > WX_MAX_TEMPERATURE_SLEW_RATE && wx_inhibit_slew_rate_check == 0) {
|
|
|
|
// if temeperature measuremenet has changed more than maximum allowed slew rate set degradadet QF
|
|
rte_wx_error_dallas_qf = DALLAS_QF_DEGRADATED;
|
|
|
|
// and increase the temperature only by 1.0f to decrease slew rate
|
|
rte_wx_temperature_dallas += 1.0f;
|
|
|
|
}
|
|
|
|
// chcecking the negaive (descending) slew rate of the temperature measuremenets
|
|
if (rte_wx_temperature_dalls_slew_rate < -WX_MAX_TEMPERATURE_SLEW_RATE && wx_inhibit_slew_rate_check == 0) {
|
|
|
|
// if temeperature measuremenet has changed more than maximum allowed slew rate set degradadet QF
|
|
rte_wx_error_dallas_qf = DALLAS_QF_DEGRADATED;
|
|
|
|
// and decrease the temperature only by 1.0f to decrease slew rate
|
|
rte_wx_temperature_dallas -= 1.0f;
|
|
|
|
}
|
|
|
|
// store current value
|
|
rte_wx_temperature_dallas_valid = rte_wx_temperature_dallas;
|
|
|
|
// include current temperature into the average
|
|
dallas_average(rte_wx_temperature_dallas, &rte_wx_dallas_average);
|
|
|
|
// update the current temperature with current average
|
|
rte_wx_temperature_average_dallas_valid = dallas_get_average(&rte_wx_dallas_average);
|
|
|
|
// update current minimal temperature
|
|
rte_wx_temperature_min_dallas_valid = dallas_get_min(&rte_wx_dallas_average);
|
|
|
|
// and update maximum also
|
|
rte_wx_temperature_max_dallas_valid = dallas_get_max(&rte_wx_dallas_average);
|
|
|
|
// updating last good measurement time
|
|
wx_last_good_temperature_time = master_time;
|
|
}
|
|
else {
|
|
// if there were a communication error set the error to unavaliable
|
|
rte_wx_error_dallas_qf = DALLAS_QF_NOT_AVALIABLE;
|
|
|
|
}
|
|
|
|
// enabling slew rate checking after first power up
|
|
wx_inhibit_slew_rate_check = 0;
|
|
#endif
|
|
|
|
#if (!defined(_UMB_MASTER) && !defined(_DAVIS_SERIAL) && !defined(_MODBUS_RTU) && defined (_SENSOR_MS5611)) || (defined (_SENSOR_MS5611) && defined (_MODBUS_RTU))
|
|
// quering MS5611 sensor for pressure
|
|
return_value = ms5611_get_pressure(&rte_wx_pressure, &rte_wx_ms5611_qf);
|
|
|
|
if (return_value == MS5611_OK && (modbus_qf & MODBUS_QF_PRESSURE_FULL) == 0 && (modbus_qf & MODBUS_QF_PRESSURE_DEGR) == 0) {
|
|
// add the current pressure into buffer
|
|
rte_wx_pressure_history[rte_wx_pressure_it++] = rte_wx_pressure;
|
|
|
|
// reseting the average length iterator
|
|
j = 0;
|
|
|
|
// check if and end of the buffer was reached
|
|
if (rte_wx_pressure_it >= PRESSURE_AVERAGE_LN) {
|
|
rte_wx_pressure_it = 0;
|
|
}
|
|
|
|
// calculating the average of pressure measuremenets
|
|
for (i = 0; i < PRESSURE_AVERAGE_LN; i++) {
|
|
|
|
// skip empty slots in the history to provide proper value even for first wx packet
|
|
if (rte_wx_pressure_history[i] < 10.0f) {
|
|
continue;
|
|
}
|
|
|
|
// add to the average
|
|
pressure_average_sum += rte_wx_pressure_history[i];
|
|
|
|
// increase the average lenght iterator
|
|
j++;
|
|
}
|
|
|
|
rte_wx_pressure_valid = pressure_average_sum / (float)j;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(_MODBUS_RTU)
|
|
|
|
// unify quality factor across Modbus-RTU sensor and embedded
|
|
// ones.
|
|
|
|
// BME280 (or MS5611) has a prioryty over the Modbus-RTU
|
|
if (rte_wx_bme280_qf == BME280_QF_NOT_AVAILABLE ||
|
|
rte_wx_bme280_qf == BME280_QF_UKNOWN)
|
|
{
|
|
// if an internal sensor is not responding or it is not used at all
|
|
// check the result of modbus RTU. this is an a little bit of complicated
|
|
// case as BME280 is a pressure and humidity sensor at once, so changing
|
|
// this QF will also influence the pressure one, but at this point we might
|
|
// agree that we won't use BME280 and external, RTU pressure sensor as it
|
|
// would make no sense to do so
|
|
if ((modbus_qf & MODBUS_QF_HUMIDITY_FULL) > 0) {
|
|
rte_wx_bme280_qf = BME280_QF_FULL;
|
|
}
|
|
else {
|
|
rte_wx_bme280_qf = BME280_QF_UKNOWN;
|
|
}
|
|
}
|
|
|
|
// Dallas temperature qualiy factor
|
|
if (rte_wx_error_dallas_qf == DALLAS_QF_NOT_AVALIABLE) {
|
|
|
|
// if an internal sensor is not responding check the result of modbus RTU
|
|
if ((modbus_qf & MODBUS_QF_TEMPERATURE_FULL) > 0) {
|
|
rte_wx_error_dallas_qf = DALLAS_QF_UNKNOWN;
|
|
rte_wx_current_dallas_qf = DALLAS_QF_FULL;
|
|
|
|
}
|
|
else if ((modbus_qf & MODBUS_QF_TEMPERATURE_DEGR) > 0) {
|
|
rte_wx_error_dallas_qf = DALLAS_QF_DEGRADATED;
|
|
rte_wx_current_dallas_qf = DALLAS_QF_DEGRADATED;
|
|
}
|
|
else if ((modbus_qf & MODBUS_QF_TEMPERATURE_NAVB) > 0) {
|
|
rte_wx_error_dallas_qf = DALLAS_QF_DEGRADATED;
|
|
rte_wx_current_dallas_qf = DALLAS_QF_NOT_AVALIABLE;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef _METEO
|
|
// if humidity sensor is idle trigger the communiction & measuremenets
|
|
if (dht22State == DHT22_STATE_DONE || dht22State == DHT22_STATE_TIMEOUT)
|
|
dht22State = DHT22_STATE_IDLE;
|
|
|
|
#endif
|
|
|
|
|
|
}
|
|
|
|
void wx_pool_dht22(void) {
|
|
|
|
dht22_timeout_keeper();
|
|
|
|
switch (dht22State) {
|
|
case DHT22_STATE_IDLE:
|
|
dht22_comm(&rte_wx_dht);
|
|
break;
|
|
case DHT22_STATE_DATA_RDY:
|
|
dht22_decode(&rte_wx_dht);
|
|
break;
|
|
case DHT22_STATE_DATA_DECD:
|
|
rte_wx_dht_valid = rte_wx_dht; // powrot do stanu DHT22_STATE_IDLE jest w TIM3_IRQHandler
|
|
//rte_wx_dht_valid.qf = DHT22_QF_FULL;
|
|
rte_wx_humidity = rte_wx_dht.humidity;
|
|
dht22State = DHT22_STATE_DONE;
|
|
break;
|
|
case DHT22_STATE_TIMEOUT:
|
|
rte_wx_dht_valid.qf = DHT22_QF_UNAVALIABLE;
|
|
break;
|
|
default: break;
|
|
}
|
|
|
|
}
|
|
|
|
void wx_pool_anemometer(void) {
|
|
|
|
// locals
|
|
uint32_t average_windspeed = 0;
|
|
int32_t wind_direction_x_avg = 0;
|
|
int32_t wind_direction_y_avg = 0;
|
|
int16_t wind_direction_x = 0;
|
|
int16_t wind_direction_y = 0;
|
|
volatile float dir_temp = 0;
|
|
volatile float arctan_value = 0.0f;
|
|
short i = 0;
|
|
uint8_t average_ln;
|
|
|
|
#ifdef _MODBUS_RTU
|
|
int32_t modbus_retval;
|
|
#endif
|
|
|
|
wx_wind_pool_call_counter++;
|
|
|
|
uint16_t scaled_windspeed = 0;
|
|
|
|
// internal sensors
|
|
#if defined(_ANEMOMETER_ANALOGUE) && !defined(_UMB_MASTER) && !defined(_MODBUS_RTU) || (!defined(_RTU_SLAVE_WIND_DIRECTION_SORUCE) && !defined(_RTU_SLAVE_WIND_SPEED_SOURCE) && defined(_ANEMOMETER_ANALOGUE))
|
|
// this windspeed is scaled * 10. Example: 0.2 meters per second is stored as 2
|
|
scaled_windspeed = analog_anemometer_get_ms_from_pulse(rte_wx_windspeed_pulses);
|
|
#endif
|
|
|
|
#if defined(_ANEMOMETER_TX20) && !defined(_UMB_MASTER) && !defined(_MODBUS_RTU) || (!defined(_RTU_SLAVE_WIND_DIRECTION_SORUCE) && !defined(_RTU_SLAVE_WIND_SPEED_SOURCE) && defined(_ANEMOMETER_TX20))
|
|
scaled_windspeed = tx20_get_scaled_windspeed();
|
|
rte_wx_winddirection_last = tx20_get_wind_direction();
|
|
#endif
|
|
|
|
#if defined(_UMB_MASTER)
|
|
rte_wx_average_winddirection = umb_get_winddirection();
|
|
rte_wx_average_windspeed = umb_get_windspeed();
|
|
rte_wx_max_windspeed = umb_get_windgusts();
|
|
#else
|
|
|
|
#if defined(_MODBUS_RTU) && defined(_RTU_SLAVE_WIND_DIRECTION_SORUCE) && defined(_RTU_SLAVE_WIND_SPEED_SOURCE) && !defined(_RTU_SLAVE_FULL_WIND_DATA)
|
|
// get the value from modbus registers
|
|
modbus_retval = rtu_get_wind_speed(&scaled_windspeed);
|
|
|
|
// check if this value has been processed w/o errors
|
|
if (modbus_retval == MODBUS_RET_OK) {
|
|
// if yes continue to further processing
|
|
modbus_retval = rtu_get_wind_direction(&rte_wx_winddirection_last);
|
|
|
|
}
|
|
|
|
// the second IF to check if the return value was the same for wind direction
|
|
if (modbus_retval == MODBUS_RET_OK || modbus_retval == MODBUS_RET_DEGRADED) {
|
|
// if the value is not available (like modbus is not configured as a source
|
|
// for wind data) get the value from internal sensors..
|
|
#ifdef _INTERNAL_AS_BACKUP
|
|
// .. if they are configured
|
|
scaled_windspeed = analog_anemometer_get_ms_from_pulse(rte_wx_windspeed_pulses);
|
|
#endif
|
|
}
|
|
#elif defined(_MODBUS_RTU) && defined(_RTU_SLAVE_WIND_DIRECTION_SORUCE) && defined(_RTU_SLAVE_WIND_SPEED_SOURCE) && defined(_RTU_SLAVE_FULL_WIND_DATA)
|
|
// get the value from modbus registers
|
|
modbus_retval = rtu_get_wind_direction(&rte_wx_average_winddirection);
|
|
|
|
// check if this value has been processed w/o errors
|
|
if (modbus_retval == MODBUS_RET_OK || modbus_retval == MODBUS_RET_DEGRADED) {
|
|
// if yes continue to further processing
|
|
modbus_retval = rtu_get_wind_gusts(&rte_wx_max_windspeed);
|
|
modbus_retval = rtu_get_wind_speed(&rte_wx_winddirection_last);
|
|
|
|
}
|
|
#else
|
|
//rte_wx_reset_last_measuremenet_timers(RTE_WX_MEASUREMENT_WIND);
|
|
#endif
|
|
|
|
|
|
#ifndef _RTU_SLAVE_FULL_WIND_DATA
|
|
// check how many times before the pool function was called
|
|
if (wx_wind_pool_call_counter < WIND_AVERAGE_LEN) {
|
|
// if it was called less time than a length of buffers, the average length
|
|
// needs to be shortened to handle the underrun properly
|
|
average_ln = (uint8_t)wx_wind_pool_call_counter;
|
|
}
|
|
else {
|
|
average_ln = WIND_AVERAGE_LEN;
|
|
}
|
|
|
|
// putting the wind speed into circular buffer
|
|
rte_wx_windspeed[rte_wx_windspeed_it] = scaled_windspeed;
|
|
|
|
// increasing the iterator to the windspeed buffer
|
|
rte_wx_windspeed_it++;
|
|
|
|
// checking if iterator reached an end of the buffer
|
|
if (rte_wx_windspeed_it >= WIND_AVERAGE_LEN) {
|
|
rte_wx_windspeed_it = 0;
|
|
}
|
|
|
|
// calculating the average windspeed
|
|
for (i = 0; i < average_ln; i++)
|
|
average_windspeed += rte_wx_windspeed[i];
|
|
|
|
average_windspeed /= average_ln;
|
|
|
|
// store the value in rte
|
|
rte_wx_average_windspeed = average_windspeed;
|
|
|
|
// reuse the local variable to find maximum value
|
|
average_windspeed = 0;
|
|
|
|
// looking for gusts
|
|
for (i = 0; i < average_ln; i++) {
|
|
if (average_windspeed < rte_wx_windspeed[i])
|
|
average_windspeed = rte_wx_windspeed[i];
|
|
}
|
|
|
|
// storing wind gusts value in rte
|
|
rte_wx_max_windspeed = average_windspeed;
|
|
|
|
// adding last wind direction to the buffers
|
|
if (rte_wx_winddirection_it >= WIND_AVERAGE_LEN)
|
|
rte_wx_winddirection_it = 0;
|
|
|
|
rte_wx_winddirection[rte_wx_winddirection_it++] = rte_wx_winddirection_last;
|
|
|
|
// calculating average wind direction
|
|
for (i = 0; i < average_ln; i++) {
|
|
|
|
dir_temp = (float)rte_wx_winddirection[i];
|
|
|
|
// split the wind direction into x and y component
|
|
wind_direction_x = (int16_t)(100.0f * cosf(dir_temp * direction_constant));
|
|
wind_direction_y = (int16_t)(100.0f * sinf(dir_temp * direction_constant));
|
|
|
|
// adding components to calculate average
|
|
wind_direction_x_avg += wind_direction_x;
|
|
wind_direction_y_avg += wind_direction_y;
|
|
|
|
}
|
|
|
|
// dividing to get average of x and y componen
|
|
wind_direction_x_avg /= average_ln;
|
|
wind_direction_y_avg /= average_ln;
|
|
|
|
// converting x & y component of wind direction back to an angle
|
|
arctan_value = atan2f(wind_direction_y_avg , wind_direction_x_avg);
|
|
|
|
rte_wx_average_winddirection = (int16_t)(arctan_value * (180.0f/M_PI));
|
|
|
|
if (rte_wx_average_winddirection < 0)
|
|
rte_wx_average_winddirection += 360;
|
|
|
|
#endif
|
|
|
|
#if defined (_MODBUS_RTU) && (defined(_RTU_SLAVE_WIND_DIRECTION_SORUCE) || defined(_RTU_SLAVE_WIND_SPEED_SOURCE) || defined(_RTU_SLAVE_FULL_WIND_DATA))
|
|
if (modbus_retval == MODBUS_RET_OK) {
|
|
rte_wx_wind_qf = AN_WIND_QF_FULL;
|
|
}
|
|
else if (modbus_retval == MODBUS_RET_DEGRADED) {
|
|
rte_wx_wind_qf = AN_WIND_QF_DEGRADED;
|
|
}
|
|
else if (modbus_retval == MODBUS_RET_NOT_AVALIABLE) {
|
|
rte_wx_wind_qf = AN_WIND_QF_NOT_AVALIABLE;
|
|
}
|
|
else {
|
|
#ifdef _INTERNAL_AS_BACKUP
|
|
rte_wx_wind_qf = analog_anemometer_get_qf();
|
|
#else
|
|
rte_wx_wind_qf = AN_WIND_QF_NOT_AVALIABLE;
|
|
#endif
|
|
}
|
|
#elif defined(_ANEMOMETER_ANALOGUE)
|
|
rte_wx_wind_qf = analog_anemometer_get_qf();
|
|
#elif defined(_ANEMOMETER_TX20)
|
|
;
|
|
#else
|
|
rte_wx_wind_qf = AN_WIND_QF_UNKNOWN;
|
|
#endif
|
|
|
|
|
|
#endif
|
|
}
|
|
|
|
void wx_pwr_init(void) {
|
|
// RELAY_CNTRL
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
#if (defined PARATNC_HWREV_A || defined PARATNC_HWREV_B)
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
|
|
#elif (defined PARATNC_HWREV_C)
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
|
#else
|
|
#error ("Hardware Revision not chosen.")
|
|
#endif
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
|
|
#if (defined PARATNC_HWREV_C)
|
|
// +12V PWR_CNTRL
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
#endif
|
|
|
|
wx_pwr_state = WX_PWR_OFF;
|
|
|
|
GPIO_ResetBits(GPIOB, GPIO_Pin_8);
|
|
|
|
#if (defined PARATNC_HWREV_C)
|
|
// +12V_SW PWR_CNTRL
|
|
GPIO_ResetBits(GPIOA, GPIO_Pin_6);
|
|
#endif
|
|
|
|
}
|
|
|
|
void wx_pwr_periodic_handle(void) {
|
|
|
|
// do a last valid measuremenets timestamps only if power is currently applied
|
|
if (wx_pwr_state == WX_PWR_ON) {
|
|
|
|
// the value of 0xFFFFFFFF is a magic word which disables the check for this parameter
|
|
if (wx_last_good_temperature_time != 0xFFFFFFFF &&
|
|
master_time - wx_last_good_temperature_time >= WX_WATCHDOG_PERIOD)
|
|
{
|
|
wx_pwr_state = WX_PWR_UNDER_RESET;
|
|
}
|
|
|
|
// as the weather station could be configured not to perform wind measurements at all
|
|
if (wx_last_good_wind_time != 0xFFFFFFFF &&
|
|
master_time - wx_last_good_wind_time >= WX_WATCHDOG_PERIOD)
|
|
{
|
|
wx_pwr_state = WX_PWR_UNDER_RESET;
|
|
|
|
rte_wx_wind_qf = AN_WIND_QF_DEGRADED;
|
|
}
|
|
|
|
if (wx_pwr_state == WX_PWR_UNDER_RESET) {
|
|
// if timeout watchod expired there is a time to reset the supply voltage
|
|
wx_pwr_state = WX_PWR_UNDER_RESET;
|
|
|
|
// pull the output down to switch the relay and disable +5V_ISOL (VDD_SW)
|
|
GPIO_ResetBits(GPIOB, GPIO_Pin_8);
|
|
|
|
// setting the last_good timers to current value to prevent reset loop
|
|
wx_last_good_temperature_time = master_time;
|
|
wx_last_good_wind_time = master_time;
|
|
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
// service actual supply state
|
|
switch (wx_pwr_state) {
|
|
case WX_PWR_OFF:
|
|
|
|
// one second delay
|
|
delay_fixed(2000);
|
|
|
|
#if (defined PARATNC_HWREV_C)
|
|
// Turn on the +12V_SW voltage
|
|
GPIO_SetBits(GPIOA, GPIO_Pin_6);
|
|
#endif
|
|
|
|
delay_fixed(100);
|
|
|
|
// Turn on the +5V_ISOL (VDD_SW) voltage
|
|
GPIO_SetBits(GPIOB, GPIO_Pin_8);
|
|
|
|
// power is off after power-up and needs to be powered on
|
|
wx_pwr_state = WX_PWR_ON;
|
|
break;
|
|
case WX_PWR_ON:
|
|
break;
|
|
case WX_PWR_UNDER_RESET:
|
|
|
|
// Turn on the +5V_ISOL (VDD_SW) voltage
|
|
GPIO_SetBits(GPIOB, GPIO_Pin_8);
|
|
|
|
wx_pwr_state = WX_PWR_ON;
|
|
|
|
break;
|
|
case WX_PWR_DISABLED:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void wx_pwr_disable_12v_sw(void) {
|
|
#if (defined PARATNC_HWREV_C)
|
|
wx_pwr_state = WX_PWR_DISABLED;
|
|
|
|
GPIO_ResetBits(GPIOA, GPIO_Pin_6);
|
|
|
|
#endif
|
|
}
|
|
|
|
void wx_pwr_disable_5v_isol(void) {
|
|
wx_pwr_state = WX_PWR_DISABLED;
|
|
|
|
GPIO_ResetBits(GPIOB, GPIO_Pin_8);
|
|
|
|
|
|
}
|
|
|
|
void wx_pwr_enable_12v_sw(void) {
|
|
#if (defined PARATNC_HWREV_C)
|
|
wx_pwr_state = WX_PWR_OFF;
|
|
|
|
// setting last good measurements timers to inhibit relay clicking
|
|
// just after the power is applied
|
|
wx_last_good_temperature_time = master_time;
|
|
wx_last_good_wind_time = master_time;
|
|
|
|
#endif
|
|
}
|
|
|
|
void wx_pwr_enable_5v_isol(void) {
|
|
#if (defined PARATNC_HWREV_C)
|
|
wx_pwr_state = WX_PWR_OFF;
|
|
|
|
// setting last good measurements timers to inhibit relay clicking
|
|
// just after the power is applied
|
|
wx_last_good_temperature_time = master_time;
|
|
wx_last_good_wind_time = master_time;
|
|
|
|
#endif
|
|
}
|