From dbb1c97673a83e9aa57d1ca4fdaeb6b2c01555e1 Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Mon, 27 Dec 2021 21:01:08 +0100
Subject: [PATCH] demos: Add ws2812 BLE demo
---
demos/ble-ws2812-card10.py | 35 +++++++++++++++++++++++++++++++++++
demos/ble-ws2812-host.py | 17 +++++++++++++++++
2 files changed, 52 insertions(+)
create mode 100644 demos/ble-ws2812-card10.py
create mode 100644 demos/ble-ws2812-host.py
diff --git a/demos/ble-ws2812-card10.py b/demos/ble-ws2812-card10.py
new file mode 100644
index 00000000..6216ea3b
--- /dev/null
+++ b/demos/ble-ws2812-card10.py
@@ -0,0 +1,35 @@
+import ws2812, gpio, bluetooth, time, display
+from micropython import const
+
+_IRQ_GATTS_WRITE = const(3)
+
+WS2812_SERVICE_UUID = \
+ bluetooth.UUID("23230300-2342-2342-2342-234223422342")
+SET_ALL = (
+ bluetooth.UUID("23230301-2342-2342-2342-234223422342"),
+ bluetooth.FLAG_WRITE
+)
+WS2812_SERVICE = (
+ WS2812_SERVICE_UUID,
+ (SET_ALL,)
+)
+
+def irq(event, data):
+ if event == _IRQ_GATTS_WRITE:
+ conn_handle, value_handle = data
+ value = ble.gatts_read(value_handle)
+ ws2812.set_all(gpio.WRISTBAND_3, [value] * 3)
+
+if __name__ == "__main__":
+ display.open().backlight(0)
+ gpio.set_mode(gpio.WRISTBAND_3, gpio.mode.OUTPUT)
+
+ ble = bluetooth.BLE()
+ ble.active(True)
+ ble.irq(irq)
+ ble.gatts_register_services((WS2812_SERVICE,))
+
+ print("Waiting for connection!")
+
+ while True:
+ time.sleep(1)
diff --git a/demos/ble-ws2812-host.py b/demos/ble-ws2812-host.py
new file mode 100644
index 00000000..b00ee7c8
--- /dev/null
+++ b/demos/ble-ws2812-host.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+import bluepy
+import time
+import colorsys
+
+p = bluepy.btle.Peripheral("CA:4D:10:01:ff:64")
+c = p.getCharacteristics(
+ uuid='23230301-2342-2342-2342-234223422342')[0]
+
+hue = 0
+while 1:
+ r,g,b = colorsys.hsv_to_rgb(hue, 1, 0.1)
+ c.write(b"%c%c%c" %
+ (int(r*255), int(g*255), int(b*255)), True)
+ time.sleep(.1)
+ hue += 0.1
+
--
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