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Added BMP085 sensor

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This commit is contained in:
0xFEEDC0DE64
2021-07-13 15:04:21 +02:00
parent 29a2c13afd
commit 05abbf0b55
4 changed files with 117 additions and 36 deletions
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3
.gitmodules vendored
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@@ -31,3 +31,6 @@
[submodule "components/Adafruit_TSL2561"]
path = components/Adafruit_TSL2561
url = git@github.com:0xFEEDC0DE64/Adafruit_TSL2561.git
[submodule "components/Adafruit_BMP085_Unified"]
path = components/Adafruit_BMP085_Unified
url = git@github.com:0xFEEDC0DE64/Adafruit_BMP085_Unified.git

1
components/Adafruit_BMP085_Unified Submodule

Submodule components/Adafruit_BMP085_Unified added at 531b734469

2
main/CMakeLists.txt
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@@ -11,7 +11,7 @@ set(sources
set(dependencies
freertos nvs_flash esp_http_server esp_https_ota mdns app_update esp_system mqtt
arduino-esp32 cpputils date espchrono espcpputils espwifistack expected fmt
Adafruit_Sensor Adafruit_TSL2561
Adafruit_BMP085_Unified Adafruit_TSL2561
)
idf_component_register(

147
main/main.cpp
View File

@@ -26,6 +26,8 @@
// 3rdparty lib includes
#include <Adafruit_Sensor.h>
#include <Adafruit_TSL2561_U.h>
#include <Adafruit_BMP085_U.h>
#include <fmt/core.h>
// local includes
#include "espwifistack.h"
@@ -50,6 +52,11 @@ constexpr const std::string_view topic_switch_status = "dahoam/wohnzimmer/lichts
constexpr const std::string_view topic_lux_availability = "dahoam/wohnzimmer/lux1/available";
constexpr const std::string_view topic_lux_value = "dahoam/wohnzimmer/lux1/value";
constexpr const std::string_view topic_bmp085_availability = "dahoam/wohnzimmer/bmp085_1/available";
constexpr const std::string_view topic_bmp085_pressure = "dahoam/wohnzimmer/bmp085_1/pressure";
constexpr const std::string_view topic_bmp085_temperature = "dahoam/wohnzimmer/bmp085_1/temperature";
constexpr const std::string_view topic_bmp085_altitude = "dahoam/wohnzimmer/bmp085_1/altitude";
std::atomic<bool> mqttConnected;
espcpputils::mqtt_client mqttClient;
@@ -60,10 +67,14 @@ std::atomic<bool> switchState;
//espchrono::millis_clock::time_point lastSwitchToggle;
Adafruit_TSL2561_Unified tsl{TSL2561_ADDR_FLOAT, 12345};
Adafruit_BMP085_Unified bmp{10085};
bool tslInitialized;
bool tslInitialized{};
bool bmpInitialized{};
std::optional<float> lastTslValue;
struct BmpValue { float pressure; float temperature; float altitude; };
std::optional<BmpValue> lastBmpValue;
esp_err_t webserver_root_handler(httpd_req_t *req);
esp_err_t webserver_on_handler(httpd_req_t *req);
@@ -317,9 +328,9 @@ extern "C" void app_main()
ESP_LOGI(TAG, "Sensor: %s", sensor.name);
ESP_LOGI(TAG, "Driver Ver: %i", sensor.version);
ESP_LOGI(TAG, "Unique ID: %i", sensor.sensor_id);
ESP_LOGI(TAG, "Max Value: %f lux", sensor.max_value);
ESP_LOGI(TAG, "Min Value: %f lux", sensor.min_value);
ESP_LOGI(TAG, "Resolution: %f lux", sensor.resolution);
ESP_LOGI(TAG, "Max Value: %.1f lux", sensor.max_value);
ESP_LOGI(TAG, "Min Value: %.1f lux", sensor.min_value);
ESP_LOGI(TAG, "Resolution: %.1f lux", sensor.resolution);
ESP_LOGI(TAG, "------------------------------------");
ESP_LOGI(TAG, "");
@@ -341,6 +352,25 @@ extern "C" void app_main()
}
}
{
ESP_LOGI(TAG, "calling bmp.begin()...");
bmpInitialized = bmp.begin();
ESP_LOGI(TAG, "finished with %s", bmpInitialized ? "true" : "false");
if (bmpInitialized) {
sensor_t sensor = bmp.getSensor();
ESP_LOGI(TAG, "------------------------------------");
ESP_LOGI(TAG, "Sensor: %s", sensor.name);
ESP_LOGI(TAG, "Driver Ver: %i", sensor.version);
ESP_LOGI(TAG, "Unique ID: %i", sensor.sensor_id);
ESP_LOGI(TAG, "Max Value: %.1f hPa", sensor.max_value);
ESP_LOGI(TAG, "Min Value: %.1f hPa", sensor.min_value);
ESP_LOGI(TAG, "Resolution: %.1f hPa", sensor.resolution);
ESP_LOGI(TAG, "------------------------------------");
ESP_LOGI(TAG, "");
}
}
while (true)
{
wifi_stack::update(wifiConfig);
@@ -367,33 +397,77 @@ extern "C" void app_main()
if (std::optional<sensors_event_t> event = tsl.getEvent()) {
/* Display the results (light is measured in lux) */
if (event->light) {
ESP_LOGW(TAG, "%f lux", event->light);
const float tslValue = event->light;
ESP_LOGI(TAG, "read tsl: %.1f lux", tslValue);
if (mqttClient && mqttConnected) {
if (!lastTslValue)
mqttVerbosePub(topic_lux_availability, "online", 0, 1);
if (!lastTslValue || *lastTslValue != event->light)
mqttVerbosePub(topic_lux_value, std::to_string(event->light), 0, 1);
if (!lastTslValue || fmt::format("{:.1f}", *lastTslValue) != fmt::format("{:.1f}", tslValue))
mqttVerbosePub(topic_lux_value, fmt::format("{:.1f}", tslValue), 0, 1);
}
lastTslValue = event->light;
lastTslValue = tslValue;
} else {
/* If event.light = 0 lux the sensor is probably saturated
* and no reliable data could be generated! */
ESP_LOGD(TAG, "Sensor overload %f", event->light);
ESP_LOGD(TAG, "tsl sensor overload %f", event->light);
}
} else {
ESP_LOGW(TAG, "tsl failed");
if (lastTslValue) {
if (mqttClient && mqttConnected)
mqttVerbosePub(topic_lux_availability, "offline", 0, 1);
lastTslValue = std::nullopt;
}
goto tslOffline;
}
} else {
tslOffline:
if (lastTslValue) {
if (mqttClient && mqttConnected)
mqttVerbosePub(topic_lux_availability, "offline", 0, 1);
lastTslValue = std::nullopt;
}
}
if (bmpInitialized) {
if (std::optional<sensors_event_t> event = bmp.getEvent()) {
if (event->pressure) {
BmpValue bmpValue { .pressure = event->pressure };
ESP_LOGI(TAG, "read bmp Pressure: %.1f hPa", bmpValue.pressure);
bmp.getTemperature(&bmpValue.temperature);
ESP_LOGI(TAG, "read bmp Temperature: %.1f C", bmpValue.temperature);
/* Then convert the atmospheric pressure, and SLP to altitude */
/* Update this next line with the current SLP for better results */
constexpr const float seaLevelPressure = SENSORS_PRESSURE_SEALEVELHPA;
bmpValue.altitude = bmp.pressureToAltitude(seaLevelPressure, event->pressure);
ESP_LOGI(TAG, "read bmp Altitude: %.1f m", bmpValue.altitude);
if (mqttClient && mqttConnected) {
if (!lastBmpValue)
mqttVerbosePub(topic_bmp085_availability, "online", 0, 1);
if (!lastBmpValue || fmt::format("{:.1f}", lastBmpValue->pressure) != fmt::format("{:.1f}", bmpValue.pressure))
mqttVerbosePub(topic_bmp085_pressure, fmt::format("{:.1f}", bmpValue.pressure), 0, 1);
if (!lastBmpValue || fmt::format("{:.1f}", lastBmpValue->temperature) != fmt::format("{:.1f}", bmpValue.temperature))
mqttVerbosePub(topic_bmp085_temperature, fmt::format("{:.1f}", bmpValue.temperature), 0, 1);
if (!lastBmpValue || fmt::format("{:.1f}", lastBmpValue->altitude) != fmt::format("{:.1f}", bmpValue.altitude))
mqttVerbosePub(topic_bmp085_altitude, fmt::format("{:.1f}", bmpValue.altitude), 0, 1);
}
lastBmpValue = bmpValue;
} else {
ESP_LOGW(TAG, "bmp sensor error");
goto bmpOffline;
}
} else {
ESP_LOGW(TAG, "bmp failed");
goto bmpOffline;
}
} else {
bmpOffline:
if (lastBmpValue) {
if (mqttClient && mqttConnected)
mqttVerbosePub(topic_bmp085_availability, "offline", 0, 1);
lastBmpValue = std::nullopt;
}
} else if (lastTslValue) {
if (mqttClient && mqttConnected)
mqttVerbosePub(topic_lux_availability, "offline", 0, 1);
lastTslValue = std::nullopt;
}
#if defined(CONFIG_ESP_TASK_WDT_PANIC) || defined(CONFIG_ESP_TASK_WDT)
@@ -440,17 +514,16 @@ esp_err_t webserver_root_handler(httpd_req_t *req)
"<a href=\"/off\">off</a><br/>\n"
"<a href=\"/toggle\">toggle</a><br/>\n"
"<a href=\"/reboot\">reboot</a><br/>\n"
"<br/>\n"
"Lamp: ";
body += lampState ? "ON" : "OFF";
body += "<br/>\n"
"Switch: ";
body += switchState ? "ON" : "OFF";
body += "<br/>\n";
"<br/>\n";
body += fmt::format("Lamp: {}<br/>\n", lampState ? "ON" : "OFF");
body += fmt::format("Switch: {}<br/>\n", switchState ? "ON" : "OFF");
if (lastTslValue) {
body += "Brightness: ";
body += std::to_string(*lastTslValue);
body += " lux<br/>\n";
body += fmt::format("Brightness: {:.1f} lux<br/>\n", *lastTslValue);
}
if (lastBmpValue) {
body += fmt::format("BMP085 Pressure: {:.1f} lux<br/>\n", lastBmpValue->pressure);
body += fmt::format("BMP085 Temperature: {:.1f} C<br/>\n", lastBmpValue->temperature);
body += fmt::format("BMP085 Altitude: {:.1f} m<br/>\n", lastBmpValue->altitude);
}
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_type, req, "text/html")
@@ -543,11 +616,15 @@ void mqttEventHandler(void *event_handler_arg, esp_event_base_t event_base, int3
mqttVerbosePub(topic_switch_availability, "online", 0, 1);
mqttVerbosePub(topic_switch_status, switchState.load() ? "ON" : "OFF", 0, 1);
if (lastTslValue) {
mqttVerbosePub(topic_lux_availability, "online", 0, 1);
mqttVerbosePub(topic_lux_value, std::to_string(*lastTslValue).c_str(), 0, 1);
} else {
mqttVerbosePub(topic_lux_availability, "offline", 0, 1);
mqttVerbosePub(topic_lux_availability, lastTslValue ? "online" : "offline", 0, 1);
if (lastTslValue)
mqttVerbosePub(topic_lux_value, fmt::format("{:.1f}", *lastTslValue), 0, 1);
mqttVerbosePub(topic_bmp085_availability, lastBmpValue ? "online" : "offline", 0, 1);
if (lastBmpValue) {
mqttVerbosePub(topic_bmp085_pressure, fmt::format("{:.1f}", lastBmpValue->pressure), 0, 1);
mqttVerbosePub(topic_bmp085_temperature, fmt::format("{:.1f}", lastBmpValue->temperature), 0, 1);
mqttVerbosePub(topic_bmp085_altitude, fmt::format("{:.1f}", lastBmpValue->altitude), 0, 1);
}
mqttClient.subscribe(topic_lamp_set, 0);
@@ -581,9 +658,9 @@ void mqttEventHandler(void *event_handler_arg, esp_event_base_t event_base, int3
if (topic == topic_lamp_set)
{
lampState = value == "ON";
bool newState = (lampState = (value == "ON"));
if (mqttClient && mqttConnected)
mqttVerbosePub(topic_lamp_status, lampState ? "ON" : "OFF", 0, 1);
mqttVerbosePub(topic_lamp_status, newState ? "ON" : "OFF", 0, 1);
}
break;