Diff: main.cpp

Revision:

0:656457722e56

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Nov 28 11:27:38 2022 +0000
@@ -0,0 +1,47 @@
+#include "mbed.h"
+#include "stm32l475e_iot01_accelero.h"
+// use mbedOs 6 and bsp init change odr to 6660
+// Full-scale range = 4g
+static int64_t sampling_freq = 6660; // in Hz.
+static int64_t time_between_samples_us = (1000000 / (sampling_freq - 1));
+
+// to classify 1 frame of data you need FRAME_SIZE values
+static int16_t aX[6660]={0};
+static int16_t aY[6660]={0};
+static int16_t aZ[6660]={0};
+
+// set baud rate of serial port to 115200
+static BufferedSerial serial_port(USBTX, USBRX, 921600);
+FileHandle *mbed::mbed_override_console(int fd) {
+    return &serial_port;
+}
+
+int main()
+{
+    int16_t pDataXYZ[3] = {0};
+    BSP_ACCELERO_Init();
+    Timer t;
+    t.start();
+    while (1) {
+        // fill the features array
+        for (size_t ix = 0; ix < 6660; ix++) {
+            int64_t next_tick = t.read_us() + time_between_samples_us;
+            BSP_ACCELERO_AccGetXYZ(pDataXYZ);
+
+            // copy accelerometer data into the features array
+            aX[ix] = pDataXYZ[0];
+            aY[ix] = pDataXYZ[1];
+            aZ[ix] = pDataXYZ[2];
+
+            while (t.read_us() < next_tick) {
+                /* busy loop */
+            }
+        }
+        // print the predictions
+        for (size_t ix = 0; ix < 6660; ix++) {
+            printf("%d,%d,%d\n\r",aX[ix],aY[ix],aZ[ix]);
+        }
+        
+        ThisThread::sleep_for(3s);
+    }
+}
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