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Add support for HP303B

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Add support for HP303B Temperature and Pressure sensor by Robert Jaakke (#8638)
This commit is contained in:
Theo Arends 2020-06-12 12:38:52 +02:00
parent 79196788aa
commit 03cd543127
5 changed files with 62 additions and 56 deletions
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1
RELEASENOTES.md
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@ -77,3 +77,4 @@ The following binary downloads have been compiled with ESP8266/Arduino library c
- Add support for up to eight MCP9808 temperature sensors by device111 (#8594)
- Add support for BL0940 energy monitor as used in Blitzwolf BW-SHP10 (#8175)
- Add initial support for Telegram bot (#8619)
- Add support for HP303B Temperature and Pressure sensor by Robert Jaakke (#8638)

1
tasmota/CHANGELOG.md
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@ -3,6 +3,7 @@
### 8.3.1.3 20200611
- Add initial support for Telegram bot (#8619)
- Add support for HP303B Temperature and Pressure sensor by Robert Jaakke (#8638)
### 8.3.1.2 20200522

1
tasmota/my_user_config.h
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@ -527,6 +527,7 @@
// #define USE_VEML6075 // [I2cDriver49] Enable VEML6075 UVA/UVB/UVINDEX Sensor (I2C address 0x10) (+2k1 code)
// #define USE_VEML7700 // [I2cDriver50] Enable VEML7700 Ambient Light sensor (I2C addresses 0x10) (+4k5 code)
// #define USE_MCP9808 // [I2cDriver51] Enable MCP9808 temperature sensor (I2C addresses 0x18 - 0x1F) (+0k9 code)
// #define USE_HP303B // [I2cDriver52] Enable HP303B temperature and pressure sensor (I2C address 0x76 or 0x77) (+6k2 code)
// #define USE_DISPLAY // Add I2C Display Support (+2k code)
#define USE_DISPLAY_MODES1TO5 // Enable display mode 1 to 5 in addition to mode 0

1
tasmota/tasmota_configurations.h
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@ -155,6 +155,7 @@
//#define USE_TASMOTA_SLAVE // Add support for Arduino Uno/Pro Mini via serial interface including flashing (+2k3 code, 44 mem)
//#define USE_OPENTHERM // Add support for OpenTherm (+15k code)
//#define USE_MCP9808 // Add support for MCP9808 temperature sensor (+0k9 code)
//#define USE_HP303B // Add support for HP303B temperature and pressure sensor (I2C address 0x76 or 0x77) (+6k2 code)
#define USE_ENERGY_SENSOR // Add energy sensors (-14k code)
#define USE_PZEM004T // Add support for PZEM004T Energy monitor (+2k code)

114
tasmota/xsns_73_hp303b.ino
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@ -16,58 +16,57 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_I2C
#ifdef USE_HP303B
/*********************************************************************************************\
* HP303B - Gas (TVOC - Total Volatile Organic Compounds) and Air Quality (CO2)
* HP303B - Pressure and temperature sensor
*
* Source: Lolin LOLIN_HP303B_Library
*
* I2C Address: 0x77 or 0x76
\*********************************************************************************************/
#define XSNS_73 73
#define XI2C_52 52 // See I2CDEVICES.md
#define XSNS_73 73
#define XI2C_52 52 // See I2CDEVICES.md
#define HP303B_MAX_SENSORS 2
#define HP303B_START_ADDRESS 0x76
#include <LOLIN_HP303B.h>
// HP303B Object
LOLIN_HP303B HP303BSensor = LOLIN_HP303B();
#define HP303B_MAX_SENSORS 2
#define HP303B_START_ADDRESS 0x76
struct {
char types[7] = "HP303B";
uint8_t count = 0;
int16_t oversampling = 7;
int16_t oversampling = 7;
char types[7] = "HP303B";
uint8_t count = 0;
} hp303b_cfg;
struct BHP303B {
uint8_t address;
uint8_t valid = 0;
float temperature = NAN;
float pressure = NAN;
uint8_t address;
uint8_t valid = 0;
} hp303b_sensor[HP303B_MAX_SENSORS];
/*********************************************************************************************/
bool HP303B_Read(uint8_t hp303b_idx)
{
bool HP303B_Read(uint32_t hp303b_idx) {
if (hp303b_sensor[hp303b_idx].valid) { hp303b_sensor[hp303b_idx].valid--; }
float t;
if (HP303BSensor.measureTempOnce(t, hp303b_sensor[hp303b_idx].address, hp303b_cfg.oversampling) != 0) {
return false;
}
float p;
int16_t ret;
ret = HP303BSensor.measureTempOnce(t, hp303b_sensor[hp303b_idx].address, hp303b_cfg.oversampling);
if (ret != 0)
return false;
ret = HP303BSensor.measurePressureOnce(p, hp303b_sensor[hp303b_idx].address, hp303b_cfg.oversampling);
if (ret != 0)
if (HP303BSensor.measurePressureOnce(p, hp303b_sensor[hp303b_idx].address, hp303b_cfg.oversampling) != 0) {
return false;
}
hp303b_sensor[hp303b_idx].temperature = (float)ConvertTemp(t);
hp303b_sensor[hp303b_idx].pressure = (float)ConvertPressure(p) / 100; //conversion to hPa
hp303b_sensor[hp303b_idx].pressure = (float)ConvertPressure(p / 100); // Conversion to hPa
hp303b_sensor[hp303b_idx].valid = SENSOR_MAX_MISS;
return true;
@ -75,14 +74,11 @@ bool HP303B_Read(uint8_t hp303b_idx)
/********************************************************************************************/
void HP303B_Detect(void)
{
for (uint32_t i = 0; i < HP303B_MAX_SENSORS; i++)
{
if (!I2cSetDevice(HP303B_START_ADDRESS + i )) { continue; }
void HP303B_Detect(void) {
for (uint32_t i = 0; i < HP303B_MAX_SENSORS; i++) {
if (!I2cSetDevice(HP303B_START_ADDRESS + i)) { continue; }
if (HP303BSensor.begin(HP303B_START_ADDRESS + i))
{
if (HP303BSensor.begin(HP303B_START_ADDRESS + i)) {
hp303b_sensor[hp303b_cfg.count].address = HP303B_START_ADDRESS + i;
I2cSetActiveFound(hp303b_sensor[hp303b_cfg.count].address, hp303b_cfg.types);
hp303b_cfg.count++;
@ -90,50 +86,58 @@ void HP303B_Detect(void)
}
}
void HP303B_EverySecond(void)
{
void HP303B_EverySecond(void) {
for (uint32_t i = 0; i < hp303b_cfg.count; i++) {
if (uptime &1) {
if (!HP303B_Read(i)) {
AddLogMissed(hp303b_cfg.types, hp303b_sensor[i].valid);
if (!HP303B_Read(i)) {
AddLogMissed(hp303b_cfg.types, hp303b_sensor[i].valid);
}
}
}
}
}
void HP303B_Show(bool json)
{
void HP303B_Show(bool json) {
for (uint32_t i = 0; i < hp303b_cfg.count; i++) {
char sensor_name[12];
strlcpy(sensor_name, hp303b_cfg.types, sizeof(sensor_name));
if (hp303b_cfg.count > 1) {
snprintf_P(sensor_name, sizeof(sensor_name), PSTR("%s%c0x%02X"), sensor_name, IndexSeparator(), hp303b_sensor[i].address); // HP303B-0x76, HP303B-0x77
}
if (hp303b_sensor[i].valid) {
char sensor_name[12];
strlcpy(sensor_name, hp303b_cfg.types, sizeof(sensor_name));
if (hp303b_cfg.count > 1) {
snprintf_P(sensor_name, sizeof(sensor_name), PSTR("%s%c%02X"), sensor_name, IndexSeparator(), hp303b_sensor[i].address); // HP303B-76, HP303B-77
}
float sealevel = 0.0;
if (hp303b_sensor[i].pressure != 0.0) {
sealevel = (hp303b_sensor[i].pressure / FastPrecisePow(1.0 - ((float)Settings.altitude / 44330.0), 5.255)) - 21.6;
sealevel = ConvertPressure(sealevel);
}
if (hp303b_sensor[i].valid)
{
char str_temperature[33];
dtostrfd(hp303b_sensor[i].temperature, Settings.flag2.temperature_resolution, str_temperature);
char str_pressure[33];
dtostrfd(hp303b_sensor[i].pressure, Settings.flag2.pressure_resolution, str_pressure);
char sea_pressure[33];
dtostrfd(sealevel, Settings.flag2.pressure_resolution, sea_pressure);
if (json)
{
if (json) {
ResponseAppend_P(PSTR(",\"%s\":{\"" D_JSON_TEMPERATURE "\":%s,\"" D_JSON_PRESSURE "\":%s"), sensor_name, str_temperature, str_pressure);
if (Settings.altitude != 0) {
ResponseAppend_P(PSTR(",\"" D_JSON_PRESSUREATSEALEVEL "\":%s"), sea_pressure);
}
ResponseJsonEnd();
#ifdef USE_DOMOTICZ
#ifdef USE_DOMOTICZ
// Domoticz and knx only support one temp sensor
if ((0 == tele_period) && (0 == i)) {
DomoticzSensor(DZ_TEMP, hp303b_sensor[i].temperature);
}
#endif // USE_DOMOTICZ
#ifdef USE_WEBSERVER
}
else
{
#endif // USE_DOMOTICZ
#ifdef USE_WEBSERVER
} else {
WSContentSend_PD(HTTP_SNS_TEMP, sensor_name, str_temperature, TempUnit());
WSContentSend_PD(HTTP_SNS_PRESSURE, sensor_name, str_pressure, PressureUnit().c_str());
#endif // USE_WEBSERVER
if (Settings.altitude != 0) {
WSContentSend_PD(HTTP_SNS_SEAPRESSURE, sensor_name, sea_pressure, PressureUnit().c_str());
}
#endif // USE_WEBSERVER
}
}
}
@ -152,10 +156,8 @@ bool Xsns73(uint8_t function)
if (FUNC_INIT == function) {
HP303B_Detect();
}
else if (hp303b_cfg.count)
{
switch (function)
{
else if (hp303b_cfg.count) {
switch (function) {
case FUNC_EVERY_SECOND:
HP303B_EverySecond();
break;