feat(ecg): Experimental streaming of ECG samples via BLE

By default turns off the screen while streaming to save energy and reduce noise.

Sample application:

added 5 commits

• ce8403bc...c9719c70 - 4 commits from branch master
• 023aadce - feat(ecg): Experimental streaming of ECG samples via BLE

Compare with previous version

added 7 commits

• 023aadce...db8f0f82 - 6 commits from branch master
• b7c7510d - feat(ecg): Experimental streaming of ECG samples via BLE

Compare with previous version

added 3 commits

• 0346bd09 - ble: Don't panic when initializing BLE from mpy if ble is off
• 79d29c3e - ecg: Convert ECG app to use a class. Remove use of "global"
• c3eed308 - ecg: handle ble inactive exception

Compare with previous version

added 2 commits

• b70439dc - ecg: handle ble inactive exception
• c9a21f8d - ecg: Add 16 bit sample counter to BLE stream

Compare with previous version

added 1 commit

• 9f4f3630 - ecg: Add 16 bit sample counter to BLE stream

Compare with previous version

Only thing left is to add the demo application

added 4 commits

• d540b55e - ecg: Add demo application for BLE ECG streaming
• f083fac7 - ecg: Stop streaming when connection closes
• fa2d2cd6 - ecg: handle error when writing to BLE fails
• 7fe8bdb6 - ecg: don't run callback if there is no data to be processed

Compare with previous version

changed the description

added 12 commits

• 7fe8bdb6...7deee116 - 3 commits from branch master
• b238f9e0 - feat(ecg): Experimental streaming of ECG samples via BLE
• c7be3eec - ble: Don't panic when initializing BLE from mpy if ble is off
• 94cc9f71 - ecg: Convert ECG app to use a class. Remove use of "global"
• b9f35c42 - ecg: handle ble inactive exception
• 66a27534 - ecg: Add 16 bit sample counter to BLE stream
• bbfd1665 - ecg: Add demo application for BLE ECG streaming
• 303f5df8 - ecg: Stop streaming when connection closes
• 513c2781 - ecg: handle error when writing to BLE fails
• 6cbcaed0 - ecg: don't run callback if there is no data to be processed

Compare with previous version

assigned to @rahix

changed milestone to %v1.18

added 4 commits

• a7a2174f - ecg: Add demo application for BLE ECG streaming
• 07b008b6 - ecg: Stop streaming when connection closes
• a0af9d4b - ecg: handle error when writing to BLE fails
• b0482974 - ecg: don't run callback if there is no data to be processed

Compare with previous version

Looks good to me! Thanks for keeping our codebase clean.

However, I'm only a bot - so a human will still have to approve this request.

merged

mentioned in commit 3f1c3b98