added light sensor, improved mic to 16bit 16khz

Author: AIWintermuteAI

src/ingestion-sdk-platform/wio-terminal/ei_device_wio_terminal.cpp

@@ -42,16 +42,17 @@
 typedef enum
 {
     ACCELEROMETER = 0,
+    MICROPHONE,
+    LIGHT,
     GAS,
     BME280,
     DPS310,
     TFMINI,
     BMI088,
     ULTRASONIC,
-    SCD30,
-    MICROPHONE
+    SCD30
 
-}used_sensors_t;
+} used_sensors_t;
 
 #define EDGE_STRINGIZE_(x) #x
 #define EDGE_STRINGIZE(x) EDGE_STRINGIZE_(x)
@@ -180,6 +181,17 @@ bool EiDeviceWioTerminal::get_sensor_list(const ei_device_sensor_t **sensor_list
     sensors[ACCELEROMETER].frequencies[0] = 62.5f;
     sensors[ACCELEROMETER].frequencies[1] = 100.0f;
 
+    sensors[MICROPHONE].name = "Built-in microphone";
+    sensors[MICROPHONE].start_sampling_cb = &ei_microphone_setup_data_sampling;
+    sensors[MICROPHONE].max_sample_length_s = 5;
+    sensors[MICROPHONE].frequencies[0] = 16000.0f;    
+
+    sensors[LIGHT].name = "Built-in light sensor";
+    sensors[LIGHT].start_sampling_cb = &ei_light_setup_data_sampling;
+    sensors[LIGHT].max_sample_length_s = available_bytes / (100 * SIZEOF_N_AXIS_SAMPLED);
+    sensors[LIGHT].frequencies[0] = 62.5f;
+    sensors[LIGHT].frequencies[1] = 100.0f;
+
     sensors[GAS].name = "External multichannel gas(Grove-multichannel gas v2)";
     sensors[GAS].start_sampling_cb = &ei_mutlgas_setup_data_sampling;
     sensors[GAS].max_sample_length_s = available_bytes / (100 * SIZEOF_N_GAS_SAMPLED);
@@ -216,11 +228,6 @@ bool EiDeviceWioTerminal::get_sensor_list(const ei_device_sensor_t **sensor_list
     sensors[ULTRASONIC].frequencies[0] = 62.5f;
     sensors[ULTRASONIC].frequencies[1] = 100.0f;
 
-    sensors[MICROPHONE].name = "Built-in microphone";
-    sensors[MICROPHONE].start_sampling_cb = &ei_microphone_setup_data_sampling;
-    sensors[MICROPHONE].max_sample_length_s = 5;
-    sensors[MICROPHONE].frequencies[0] = 16000.0f;
-
     sensors[SCD30].name = "External CO2+Temp sensor(Grove-SCD30)";
     sensors[SCD30].start_sampling_cb = &ei_scd30_setup_data_sampling;
     sensors[SCD30].max_sample_length_s = available_bytes / (100 * SIZEOF_N_SCD30_SAMPLED);

src/ingestion-sdk-platform/wio-terminal/ei_device_wio_terminal.h

@@ -26,18 +26,19 @@
 /* Include ----------------------------------------------------------------- */
 #include "ei_device_info.h"
 #include "ei_inertialsensor.h"
+#include "ei_microphone.h"
+#include "ei_light.h"
 #include "ei_mutlgassensor.h"
 #include "ei_bme280.h"
 #include "ei_dps310.h"
 #include "ei_tfmini.h"
 #include "ei_bmi088.h"
 #include "ei_ultrasonic.h"
-#include "ei_microphone.h"
 #include "ei_scd30.h"
 #include "sfud_fs_commands.h"
 
 /** Number of sensors used */
-#define EI_DEVICE_N_SENSORS		9
+#define EI_DEVICE_N_SENSORS		10
 
 /** C Callback types */
 typedef int (*c_callback)(uint8_t out_buffer[32], size_t *out_size);

src/sensors/ei_light.cpp

@@ -0,0 +1,61 @@
+
+/* Include ----------------------------------------------------------------- */
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "ei_light.h"
+
+#include "ei_config_types.h"
+
+#include "ei_device_wio_terminal.h"
+#include "sensor_aq.h"
+
+#include <Arduino.h>
+
+extern void ei_printf(const char *format, ...);
+extern ei_config_t *ei_config_get_config();
+extern EI_CONFIG_ERROR ei_config_set_sample_interval(float interval);
+
+// extern sampler_callback  cb_sampler;
+
+static float light_data[N_ULTRASONIC_SAMPLED] = {0};
+
+bool ei_light_init(void)
+{
+   pinMode(WIO_LIGHT, INPUT);
+}
+
+bool ei_light_read_data(sampler_callback callback)
+{
+    light_data[0] = analogRead(WIO_LIGHT); // Distance in cm
+    // delay(20); // Short delay to avoid huge data sets
+    
+    if (callback((const void *)&light_data[0], SIZEOF_N_LIGHT_SAMPLED))
+        return 1;
+    return 0;
+
+}
+
+bool ei_light_setup_data_sampling(void)
+{
+
+    if (ei_config_get_config()->sample_interval_ms < 10.0f)
+    {
+        ei_config_set_sample_interval(10.0f);
+    }
+
+    sensor_aq_payload_info payload = {
+        // Unique device ID (optional), set this to e.g. MAC address or device EUI **if** your device has one
+        EiDevice.get_id_pointer(),
+        // Device type (required), use the same device type for similar devices
+        EiDevice.get_type_pointer(),
+        // How often new data is sampled in ms. (100Hz = every 10 ms.)
+        ei_config_get_config()->sample_interval_ms,
+        {{"Illumination", "na"},
+        },
+    };
+
+    ei_light_init();
+
+    ei_sampler_start_sampling(&ei_light_read_data,&payload, SIZEOF_N_LIGHT_SAMPLED);
+}

src/sensors/ei_light.h

@@ -0,0 +1,20 @@
+
+#ifndef _EI_LIGHT_H
+#define _EI_LIGHT_H
+
+/* Include ----------------------------------------------------------------- */
+#include "ei_sampler.h"
+
+/** Number of axis used and sample data format */
+typedef float sample_format_t;
+#define N_LIGHT_SAMPLED			1
+#define SIZEOF_N_LIGHT_SAMPLED	(sizeof(sample_format_t) * N_LIGHT_SAMPLED)
+
+
+/* Function prototypes ----------------------------------------------------- */
+bool ei_light_init(void);
+bool ei_light_sample_start(sampler_callback callback, float sample_interval_ms);
+bool ei_light_setup_data_sampling(void);
+bool ei_light_read_data(sampler_callback callback );
+
+#endif

src/sensors/ei_microphone.cpp

@@ -40,7 +40,6 @@ static uint32_t headerOffset = 0;
 
 static unsigned char ei_mic_ctx_buffer[1024];
 static uint8_t temp_buffer[4096];
-//static int16_t temp_buf[4096*3];
 static sensor_aq_signing_ctx_t ei_mic_signing_ctx;
 static sensor_aq_mbedtls_hs256_ctx_t ei_mic_hs_ctx;