3 files changed, 27 insertions, 0 deletions
diff --git a/wasp/boards/pinetime/manifest.py b/wasp/boards/pinetime/manifest.py
index f7cb9d9..61cc24a 100644
--- a/wasp/boards/pinetime/manifest.py
+++ b/wasp/boards/pinetime/manifest.py
@@ -9,10 +9,12 @@ freeze('../..',
         'apps/launcher.py',
         'apps/pager.py',
         'apps/settings.py',
+        'apps/steps.py',
         'apps/stopwatch.py',
         'apps/testapp.py',
         'boot.py',
         'draw565.py',
+        'drivers/bma421.py',
         'drivers/battery.py',
         'drivers/cst816s.py',
         'drivers/nrf_rtc.py',
diff --git a/wasp/boards/pinetime/watch.py.in b/wasp/boards/pinetime/watch.py.in
index 46fc6f6..d064d8f 100644
--- a/wasp/boards/pinetime/watch.py.in
+++ b/wasp/boards/pinetime/watch.py.in
@@ -18,6 +18,7 @@ from machine import Pin
 from machine import SPI
 
 from drivers.battery import Battery
+from drivers.bma421 import BMA421
 from drivers.cst816s import CST816S
 from drivers.signal import Signal
 from drivers.st7789 import ST7789_SPI
@@ -65,6 +66,7 @@ battery = Battery(
         Signal(Pin('USB_PWR', Pin.IN), invert=True))
 button = Pin('BUTTON', Pin.IN)
 i2c = I2C(1, scl='I2C_SCL', sda='I2C_SDA')
+accel = BMA421(i2c)
 touch = CST816S(i2c)
 vibrator = Vibrator(Pin('MOTOR', Pin.OUT, value=0), active_low=True)
 
diff --git a/wasp/boards/simulator/watch.py b/wasp/boards/simulator/watch.py
index 178b1eb..b9de73d 100644
--- a/wasp/boards/simulator/watch.py
+++ b/wasp/boards/simulator/watch.py
@@ -22,6 +22,28 @@ from drivers.cst816s import CST816S
 from drivers.st7789 import ST7789_SPI
 from drivers.vibrator import Vibrator
 
+class Accelerometer:
+    """Simulated accelerometer.
+
+    Accelerometers such as BMA421 are complex and most of the driver
+    is written in C. For that reason we simulate the accelerometer
+    rather than emulate (by comparison we emulate the ST7789).
+    """
+    def reset(self):
+        self._steps = 3
+
+    @property
+    def steps(self):
+        """Report the number of steps counted."""
+        if self._steps < 10000:
+            self._steps = int(self._steps * 1.34)
+        else:
+            self._steps += 1
+        return self._steps
+
+    @steps.setter
+    def steps(self, value):
+        self.reset()
 
 class Backlight(object):
     def __init__(self, level=1):
@@ -105,6 +127,7 @@ display = ST7789_SPI(240, 240, spi,
         res=Pin("DISP_RST", Pin.OUT, quiet=True))
 drawable = draw565.Draw565(display)
 
+accel = Accelerometer()
 battery = Battery()
 button = Pin('BUTTON', Pin.IN, quiet=True)
 rtc = RTC()