From b9f35c4259afb81abdf2c9aba5aa21956fe7dc19 Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Sun, 14 Nov 2021 01:04:23 +0100
Subject: [PATCH] ecg: handle ble inactive exception
---
preload/apps/ecg/__init__.py | 52 ++++++++++++++++++------------------
1 file changed, 26 insertions(+), 26 deletions(-)
diff --git a/preload/apps/ecg/__init__.py b/preload/apps/ecg/__init__.py
index e9b1599a..3b9b5fa7 100644
--- a/preload/apps/ecg/__init__.py
+++ b/preload/apps/ecg/__init__.py
@@ -8,9 +8,9 @@ import math
import struct
import itertools
import bluetooth
-from ecg.settings import *
+import ecg.settings
-config = ecg_settings()
+config = ecg.settings.ecg_settings()
WIDTH = 160
HEIGHT = 80
@@ -89,23 +89,27 @@ class ECG:
self.disp.backlight(0)
def __init__(self):
- self.b = bluetooth.BLE()
- self.b.active(True)
- self.b.irq(self.ble_irq)
-
- _ECG_UUID = bluetooth.UUID("42230300-2342-2342-2342-234223422342")
- _ECG_DATA = (
- bluetooth.UUID("42230301-2342-2342-2342-234223422342"),
- bluetooth.FLAG_READ | bluetooth.FLAG_NOTIFY,
- )
+ try:
+ self.b = bluetooth.BLE()
+ self.b.active(True)
+ self.b.irq(self.ble_irq)
+
+ _ECG_UUID = bluetooth.UUID("42230300-2342-2342-2342-234223422342")
+ _ECG_DATA = (
+ bluetooth.UUID("42230301-2342-2342-2342-234223422342"),
+ bluetooth.FLAG_READ | bluetooth.FLAG_NOTIFY,
+ )
- _ECG_SERVICE = (_ECG_UUID, (_ECG_DATA,))
- ((self.ecg_data_handle,),) = self.b.gatts_register_services((_ECG_SERVICE,))
- self.ecg_cccd_handle = self.ecg_data_handle + 1
+ _ECG_SERVICE = (_ECG_UUID, (_ECG_DATA,))
+ ((self.ecg_data_handle,),) = self.b.gatts_register_services((_ECG_SERVICE,))
+ self.ecg_cccd_handle = self.ecg_data_handle + 1
- # Disable streaming by default
- self.ble_streaming = False
- self.b.gatts_write(self.ecg_cccd_handle, "\x00\x00")
+ # Disable streaming by default
+ self.ble_streaming = False
+ self.b.gatts_write(self.ecg_cccd_handle, "\x00\x00")
+ except OSError:
+ self.ble_streaming = False
+ pass
leds.dim_top(1)
@@ -169,15 +173,11 @@ class ECG:
def callback_ecg(self, datasets):
if self.ble_streaming:
- # try:
- if 1:
- self.b.gatts_notify(
- 1,
- self.ecg_data_handle,
- struct.pack(">" + ("h" * len(datasets)), *datasets),
- )
- # except:
- pass
+ self.b.gatts_notify(
+ 1,
+ self.ecg_data_handle,
+ struct.pack(">" + ("h" * len(datasets)), *datasets),
+ )
# Don't update the screen if it should be off during a connection
if not config.get_option("BLE Disp"):
--
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