From a0af9d4b393f50dd9631938f29e45419e9439fb6 Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Tue, 16 Nov 2021 23:17:12 +0100
Subject: [PATCH] ecg: handle error when writing to BLE fails
---
preload/apps/ecg/__init__.py | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/preload/apps/ecg/__init__.py b/preload/apps/ecg/__init__.py
index 43eed2d6..b9bad34d 100644
--- a/preload/apps/ecg/__init__.py
+++ b/preload/apps/ecg/__init__.py
@@ -177,13 +177,18 @@ class ECG:
def callback_ecg(self, datasets):
if self.ble_streaming:
+ try:
+ self.b.gatts_notify(
+ 1,
+ self.ecg_data_handle,
+ struct.pack(">h", self.ble_sample_count & 0xFFFF)
+ + struct.pack(">" + ("h" * len(datasets)), *datasets),
+ )
+ except OSError:
+ pass
+
+ # We count all samples, even if we failed to send them
self.ble_sample_count += len(datasets)
- self.b.gatts_notify(
- 1,
- self.ecg_data_handle,
- struct.pack(">h", self.ble_sample_count & 0xFFFF)
- + 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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