add mpu9250 datalogger variant with button handler and adc

1 files changed, 105 insertions, 0 deletions

diff --git a/src/app/button-and-motion-logger/main.cc b/src/app/button-and-motion-logger/main.cc
new file mode 100644
index 0000000..5b411a5
--- /dev/null
+++ b/src/app/button-and-motion-logger/main.cc
@@ -0,0 +1,105 @@
+#include "arch.h"
+#include "driver/gpio.h"
+#include "driver/stdout.h"
+#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)
+#include "driver/i2c.h"
+#else
+#include "driver/soft_i2c.h"
+#endif
+#include "driver/adc.h"
+#include "driver/mpu9250.h"
+
+#define INIT0(val) int val = 0, min_ ## val = 0, max_ ## val = 0;
+#define UPDATE_MIN(min_val, val) if ((val) < (min_val)) { (min_val) = (val); }
+#define UPDATE_MAX(max_val, val) if ((val) > (max_val)) { (max_val) = (val); }
+
+unsigned char button = 0;
+
+void check_button(GPIO::Pin pin, unsigned char index)
+{
+	if (gpio.read(pin) == 0) {
+		if ((button & (1 << index)) == 0) {
+			kout << "button" << index << endl;
+		}
+		button |= 1 << index;
+	} else {
+		button &= ~(1 << index);
+	}
+	
+}
+
+int main(void)
+{
+	INIT0(ax);
+	INIT0(ay);
+	INIT0(az);
+	INIT0(mx);
+	INIT0(my);
+	INIT0(mz);
+	unsigned short i = 0;
+
+	arch.setup();
+	gpio.setup();
+	kout.setup();
+
+	gpio.input(GPIO::pb0, 1);
+	gpio.input(GPIO::pb1, 1);
+	gpio.input(GPIO::pb2, 1);
+	gpio.input(GPIO::pb3, 1);
+	gpio.input(GPIO::pb4, 1);
+
+	if (i2c.setup() != 0) {
+		kout << "I2C setup failed" << endl;
+		return 1;
+	}
+
+	kout << "I2C setup OK" << endl;
+
+	mpu9250.init();
+	mpu9250.nineAxis();
+	mpu9250.setGyroEnable(false, false, false);
+
+	while (1) {
+		mpu9250.getRawAccel(&ax, &ay, &az);
+
+		UPDATE_MIN(min_ax, ax);
+		UPDATE_MIN(min_ay, ay);
+		UPDATE_MIN(min_az, az);
+		UPDATE_MAX(max_ax, ax);
+		UPDATE_MAX(max_ay, ay);
+		UPDATE_MAX(max_az, az);
+
+		if (mpu9250.getRawMagnet(&mx, &my, &mz)) {
+			UPDATE_MIN(min_mx, mx);
+			UPDATE_MIN(min_my, my);
+			UPDATE_MIN(min_mz, mz);
+			UPDATE_MAX(max_mx, mx);
+			UPDATE_MAX(max_my, my);
+			UPDATE_MAX(max_mz, mz);
+		}
+
+		check_button(GPIO::pb4, 0);
+		check_button(GPIO::pb3, 1);
+		check_button(GPIO::pb2, 2);
+		check_button(GPIO::pb1, 3);
+		check_button(GPIO::pb0, 4);
+
+		if (i++ == 2000) {
+			kout << "Min Accel: " << min_ax << " / " << min_ay << " / " << min_az << endl;
+			kout << "Max Accel: " << max_ax << " / " << max_ay << " / " << max_az << endl;
+			kout << "Min Magnet: " << min_mx << " / " << min_my << " / " << min_mz << endl;
+			kout << "Max Magnet: " << max_mx << " / " << max_my << " / " << max_mz << endl;
+			kout << "MPU Temp: " << mpu9250.getTemperature() << endl;
+			kout << "CPU Temp: " << adc.getTemp_mdegC() << endl;
+			kout << "CPU VCC: " << adc.getVCC_mV() << endl;
+			min_ax = min_ay = min_az = 30000;
+			max_ax = max_ay = max_az = -30000;
+			min_mx = min_my = min_mz = 30000;
+			max_mx = max_my = max_mz = -30000;
+			i = 0;
+		}
+		arch.delay_ms(1);
+	}
+
+	return 0;
+}