electro
/
esp-airsensor
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

maybe fix the bug

Browse Source
modbus
Ondřej Hruška 3 years ago
parent 557b074527
commit 30b322fba5
6 changed files with 95 additions and 43 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 19
      components/bme680/src/bsec2.c
  2. 2
      main/app_main.c
  3. 36
      main/co2_sensor.c
  4. 10
      main/data_report.h
  5. 13
      main/voc_sensor.c
  6. 12
      main/web/websrv.c

19
components/bme680/src/bsec2.c
Unescape View File

@ -1,6 +1,12 @@
#include <string.h>
#include "bsec2.h"
//#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG
#include <esp_log.h>
#include <inttypes.h>
static const char *TAG = "bsec";
/* Private funcs - prototypes */
/**
@ -70,7 +76,10 @@ bool bsec2_updateSubscription(struct bsec2 *self, const bsecSensor *sensorList,
}
bool bsec2_run(struct bsec2 *self) {
int64_t currTimeNs = bsec2_getTimeMs(self) * INT64_C(1000000);
int64_t ms = bsec2_getTimeMs(self);
int64_t currTimeNs = ms * INT64_C(1000000);
//ESP_LOGD(TAG, "%"PRIi64" ms = %"PRIi64" ns, nextcall %"PRIi64, ms, currTimeNs, self->bmeConf.next_call);
uint8_t lastOpMode = self->opMode;
@ -78,6 +87,8 @@ bool bsec2_run(struct bsec2 *self) {
self->opMode = self->bmeConf.op_mode;
if (currTimeNs >= self->bmeConf.next_call) {
ESP_LOGD(TAG, "bsec runs");
/* Provides the information about the current sensor configuration that is
necessary to fulfill the input requirements, eg: operation mode, timestamp
at which the sensor data shall be fetched etc */
@ -221,14 +232,14 @@ bool bsec2_setConfig(struct bsec2 *self, const uint8_t *config) {
* @brief Function to calculate an int64_t timestamp in milliseconds
*/
int64_t bsec2_getTimeMs(struct bsec2 *self) {
int64_t timeMs = bsec2_timestamp_millis();
uint64_t timeMs = bsec2_timestamp_millis();
if (self->lastMillis > timeMs) /* An overflow occurred */
{
self->lastMillis = timeMs;
self->ovfCounter++;
}
return timeMs + (self->ovfCounter * INT64_C(0xFFFFFFFF));
self->lastMillis = timeMs;
return (int64_t) timeMs + (self->ovfCounter * INT64_C(0xFFFFFFFF));
}
/* Private funcs impl */

2
main/app_main.c
Unescape View File

@ -57,6 +57,8 @@ void app_main(void) {
periph_init();
vTaskDelay(pdMS_TO_TICKS(1000));
xTaskCreatePinnedToCore(voc_read_task, "VOC", 4096, NULL, PRIO_NORMAL, NULL, 1);
xTaskCreatePinnedToCore(co2_read_task, "CO2", 4096, NULL, PRIO_NORMAL, NULL, 1);

36
main/co2_sensor.c
Unescape View File

@ -15,7 +15,8 @@ static const char *TAG = "co2";
#define CO2_ADDR 104
#define CO2_I2C_NUM I2C_NUM_0
#define TIMEOUT_MS 1000
#define TIMEOUT_MS 500
#define SEMA_TIMEOUT_MS 2000
static esp_err_t do_reg_read(uint8_t reg_addr, uint8_t *reg_data, uint32_t length, uint32_t timeout_ms) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
@ -42,10 +43,11 @@ bool wake_up() {
TRY(i2c_master_write_byte(chain, (CO2_ADDR << 1) | I2C_MASTER_READ, false)); // TODO expect ack?
TRY(i2c_master_read(chain, &dummy, 1, I2C_MASTER_LAST_NACK));
TRY(i2c_master_stop(chain));
/*esp_err_t ret = */ i2c_master_cmd_begin(CO2_I2C_NUM, chain, pdMS_TO_TICKS(10));
/*esp_err_t ret = */ i2c_master_cmd_begin(CO2_I2C_NUM, chain, pdMS_TO_TICKS(TIMEOUT_MS));
i2c_cmd_link_delete(chain);
// if (ret == ESP_OK) {
vTaskDelay(pdMS_TO_TICKS(14));
// ets_delay_us(5000);
ets_delay_us(12000);
return true;
// }
//// }
@ -55,7 +57,7 @@ bool wake_up() {
}
static esp_err_t reg_read(uint8_t reg_addr, uint8_t *reg_data, uint32_t length, uint32_t timeout_ms) {
BaseType_t suc = xSemaphoreTake(g_mux_i2c, pdMS_TO_TICKS(500));
BaseType_t suc = xSemaphoreTake(g_mux_i2c, pdMS_TO_TICKS(SEMA_TIMEOUT_MS));
if (suc != pdPASS) {
ESP_LOGE(TAG, "Sema fail");
return ESP_ERR_TIMEOUT;
@ -66,7 +68,7 @@ static esp_err_t reg_read(uint8_t reg_addr, uint8_t *reg_data, uint32_t length,
}
esp_err_t rv = do_reg_read(reg_addr, reg_data, length, timeout_ms);
xSemaphoreGive(g_mux_i2c);
ets_delay_us(12000);
vTaskDelay(pdMS_TO_TICKS(12));
return rv;
}
@ -82,7 +84,7 @@ static esp_err_t do_reg_write(uint8_t reg_addr, const uint8_t *reg_data, uint32_
}
static esp_err_t reg_write(uint8_t reg_addr, const uint8_t *reg_data, uint32_t length, uint32_t timeout_ms) {
BaseType_t suc = xSemaphoreTake(g_mux_i2c, pdMS_TO_TICKS(500));
BaseType_t suc = xSemaphoreTake(g_mux_i2c, pdMS_TO_TICKS(SEMA_TIMEOUT_MS));
if (suc != pdPASS) {
ESP_LOGE(TAG, "Sema fail");
return ESP_ERR_TIMEOUT;
@ -102,17 +104,22 @@ void co2_read_task(void *param) {
// continuous is the default
vTaskDelay(pdMS_TO_TICKS(35));
{
uint8_t pld[] = {0x00, 0x07, 0x00, 0x05};
reg_write(0x96, pld, 4, TIMEOUT_MS);
for (int retry = 1; retry <= 10; retry++) {
uint8_t pld[] = {0x00, 0x05, 0x00, 0x05};
if (ESP_OK == reg_write(0x96, pld, 4, TIMEOUT_MS)) {
ESP_LOGI(TAG, "CO2 init OK");
break;
}
vTaskDelay(pdMS_TO_TICKS(50));
}
vTaskDelay(pdMS_TO_TICKS(250));
while (1) {
vTaskDelay(pdMS_TO_TICKS(7000));
vTaskDelay(pdMS_TO_TICKS(5000));
uint8_t data[4] = {};
for (int retry = 0; retry < 3; retry++) {
if (ESP_OK == reg_read(0x06, data, 4, TIMEOUT_MS)) {
uint16_t filtered = (data[0] << 8) | data[1];
uint16_t unfiltered = (data[2] << 8) | data[3];
@ -123,11 +130,16 @@ void co2_read_task(void *param) {
if (filtered > 400 && filtered < 5000) {
g_data_report.co2_ppm = (float) filtered;
g_data_report.co2_ready = true;
g_data_report.co2_timestamp = xTaskGetTickCount();
} else {
g_data_report.co2_ready = false;
}
}
xSemaphoreGive(g_mux_data_report);
break;
}
vTaskDelay(pdMS_TO_TICKS(50));
}
}
}

10
main/data_report.h
Unescape View File

@ -11,24 +11,34 @@
#include <stdbool.h>
#include <freertos/FreeRTOS.h>
#include <freertos/semphr.h>
#include <freertos/task.h>
struct data_report {
bool iaq_ready;
uint32_t iaq_timestamp;
float iaq;
float iaq_static;
float iaq_co2_ppm_equiv;
float iaq_voc_ppm_equiv;
bool thpg_ready;
uint32_t thpg_timestamp;
float temperature;
float pressure;
float humidity;
float gasr;
bool co2_ready;
uint32_t co2_timestamp;
float co2_ppm;
};
static inline uint32_t timestamp_age(uint32_t ticks) {
return xTaskGetTickCount() - ticks;
}
#define DATA_MAX_AGE (pdMS_TO_TICKS(60000))
extern SemaphoreHandle_t g_mux_data_report;
extern struct data_report g_data_report;

13
main/voc_sensor.c
Unescape View File

@ -14,6 +14,7 @@ static const char *TAG = "voc";
#define VOC_I2C_NUM I2C_NUM_0
#define VOC_I2C_TO_MS 1000
#define VOC_SEMA_TO_MS 2000
// Config overrides for BSEC
#define BME68X_PERIOD_POLL UINT32_C(5000)
@ -70,7 +71,7 @@ static BME68X_INTF_RET_TYPE user_i2c_read(uint8_t reg_addr, uint8_t *reg_data, u
if (length == 0) {
return BME68X_OK;
}
BaseType_t suc = xSemaphoreTake(g_mux_i2c, pdMS_TO_TICKS(500));
BaseType_t suc = xSemaphoreTake(g_mux_i2c, pdMS_TO_TICKS(VOC_SEMA_TO_MS));
if (suc != pdPASS) {
ESP_LOGE(TAG, "Sema fail");
return -1;
@ -93,7 +94,7 @@ static BME68X_INTF_RET_TYPE user_i2c_write(uint8_t reg_addr, const uint8_t *reg_
if (length == 0) {
return BME68X_OK;
}
BaseType_t suc = xSemaphoreTake(g_mux_i2c, pdMS_TO_TICKS(500));
BaseType_t suc = xSemaphoreTake(g_mux_i2c, pdMS_TO_TICKS(VOC_SEMA_TO_MS));
if (suc != pdPASS) {
ESP_LOGE(TAG, "Sema fail");
return -1;
@ -120,8 +121,8 @@ static esp_err_t voc_init(void) {
gas_sensor.write = user_i2c_write;
gas_sensor.delay_us = user_delay_us;
for (int retry = 0; retry < 3; retry++) {
ESP_LOGD(TAG, "BME680 initializing");
for (int retry = 1; retry <= 3; retry++) {
ESP_LOGD(TAG, "BME680 initializing (try %d)", retry);
rslt = bme68x_init(&gas_sensor);
if (rslt == BME68X_OK) {
break;
@ -131,6 +132,7 @@ static esp_err_t voc_init(void) {
ESP_LOGE(TAG, "Error from bme680_init: %d", rslt);
return ESP_FAIL;
}
ESP_LOGI(TAG, "BME680 init OK");
return ESP_OK;
}
@ -203,6 +205,7 @@ static void new_data_callback(
if (pdPASS == xSemaphoreTake(g_mux_data_report, pdMS_TO_TICKS(1000))) {
if (my_report.thpg_ready) {
g_data_report.thpg_ready = true;
g_data_report.thpg_timestamp = xTaskGetTickCount();
g_data_report.humidity = my_report.humidity;
g_data_report.temperature = my_report.temperature;
g_data_report.pressure = my_report.pressure;
@ -213,6 +216,7 @@ static void new_data_callback(
if (my_report.iaq_ready) {
g_data_report.iaq_ready = true;
g_data_report.iaq_timestamp = xTaskGetTickCount();
g_data_report.iaq = my_report.iaq;
g_data_report.iaq_static = my_report.iaq_static;
g_data_report.iaq_co2_ppm_equiv = my_report.iaq_co2_ppm_equiv;
@ -285,5 +289,6 @@ void voc_read_task(void *param) {
}
abort:
ESP_LOGE(TAG, "VOC task ends");
vTaskDelete(NULL);
}

12
main/web/websrv.c
Unescape View File

@ -93,22 +93,34 @@ static esp_err_t handler_sample(httpd_req_t *req) {
bool need_comma = false;
if (g_data_report.iaq_ready) {
if (timestamp_age(g_data_report.iaq_timestamp) < DATA_MAX_AGE) {
wp += sprintf(wp, "\"iaq\":%.2f,\"iaq_s\":%.2f,\"iaq_co2\":%.2f,\"iaq_voc\":%.2f",
g_data_report.iaq, g_data_report.iaq_static, g_data_report.iaq_co2_ppm_equiv, g_data_report.iaq_co2_ppm_equiv);
need_comma = true;
} else {
g_data_report.iaq_ready = false;
}
}
if (g_data_report.thpg_ready) {
if (timestamp_age(g_data_report.thpg_timestamp) < DATA_MAX_AGE) {
wp += sprintf(wp, "%s\"temp\":%.2f,\"hum\":%.2f,\"pres\":%.1f,\"gasr\":%.1f",
need_comma ? "," : "",
g_data_report.temperature, g_data_report.humidity, g_data_report.pressure, g_data_report.gasr);
need_comma = true;
} else {
g_data_report.thpg_ready = false;
}
}
if (g_data_report.co2_ready) {
if (timestamp_age(g_data_report.co2_timestamp) < DATA_MAX_AGE) {
wp += sprintf(wp, "%s\"co2\":%.2f",
need_comma ? "," : "",
g_data_report.co2_ppm);
} else {
g_data_report.co2_ready = false;
}
}
sprintf(wp, "}");

Write Preview
Loading…
Cancel
Save