f09e077199
Mic: confirmed via its pinout (L/R, WS, SCK, SD, VCC, GND) that the third target module is a standard I2S digital MEMS mic (INMP441-family). Added mems_mic.c/h using ESP-IDF's current driver/i2s_std.h API — reports RMS audio level in dBFS as sensor_type "evp" rather than attempting on-device voice-band FFT (the browser EVP mode's approach); the backend's existing statistical anomaly detector handles spike detection from the raw level, same as it already does for temperature/pressure/presence. Also fixes a real gap Workstream B's report flagged: User.essence (a live model column used throughout merged code — /auth/me, inventory purchases, summon trickle) had no migration line in main.py's lifespan, which would have broken on the actual production Postgres database.
76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
// Sensor driver registry -- see sensor_registry.h.
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//
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// ADDING A NEW SENSOR: write its driver as a new .c/.h pair implementing
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// sensor_driver_t's init()/read() (see sensor_driver.h), add the .c file to
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// main/CMakeLists.txt's SRCS list, #include its header below, and add one
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// line to the s_drivers[] array. Nothing else in this firmware needs to
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// change -- app_main.c's task loop and telemetry_client.c's POST logic both
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// iterate the registry generically and have no per-sensor-type branches.
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#include <stdbool.h>
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#include "sensor_registry.h"
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#include "bmp280.h"
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#include "rd03e.h"
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#include "mems_mic.h"
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#include "esp_log.h"
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static const char *TAG = "sensor_registry";
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// The concrete list of sensor drivers compiled into this firmware. Order
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// matters only for init() sequencing (e.g. bus setup before device use);
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// read() order just determines readings array ordering in the POST body.
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static const sensor_driver_t s_drivers[] = {
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{ .name = "bmp280", .init = bmp280_init, .read = bmp280_read },
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{ .name = "rd03e", .init = rd03e_init, .read = rd03e_read },
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{ .name = "mems_mic", .init = mems_mic_init, .read = mems_mic_read },
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// Add new drivers here, e.g.:
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// { .name = "my_sensor", .init = my_sensor_init, .read = my_sensor_read },
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};
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static const size_t s_driver_count = sizeof(s_drivers) / sizeof(s_drivers[0]);
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// Tracks which drivers initialized successfully so a failed driver's read()
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// isn't called every cycle (and doesn't spam logs) -- but the array stays
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// a fixed compile-time list either way, no dynamic registration needed at
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// this project's scale.
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static bool s_driver_ready[sizeof(s_drivers) / sizeof(s_drivers[0])];
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void sensor_registry_init_all(void) {
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for (size_t i = 0; i < s_driver_count; i++) {
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const sensor_driver_t *drv = &s_drivers[i];
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if (drv->init == NULL) {
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s_driver_ready[i] = true;
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continue;
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}
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esp_err_t err = drv->init();
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if (err == ESP_OK) {
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s_driver_ready[i] = true;
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ESP_LOGI(TAG, "driver '%s' initialized", drv->name);
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} else {
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s_driver_ready[i] = false;
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ESP_LOGW(TAG, "driver '%s' failed to initialize (%s) -- it will be skipped",
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drv->name, esp_err_to_name(err));
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}
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}
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}
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esp_err_t sensor_registry_collect(sensor_reading_t *out, size_t max_out, size_t *out_count) {
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size_t total = 0;
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for (size_t i = 0; i < s_driver_count && total < max_out; i++) {
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if (!s_driver_ready[i]) {
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continue;
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}
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const sensor_driver_t *drv = &s_drivers[i];
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size_t produced = 0;
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esp_err_t err = drv->read(&out[total], max_out - total, &produced);
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "driver '%s' read failed (%s) -- skipping this cycle",
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drv->name, esp_err_to_name(err));
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continue;
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}
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total += produced;
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}
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*out_count = total;
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return ESP_OK;
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}
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