Fix: No more missing MCP2515 events because the MCP2515 keeps the INTline low UNTIL all EVENTS have been handled.

[aentinger]

This fixes #62 and fixes #53.

[github-actions]

Memory usage change @ 0d7aa10

Board	flash	%	RAM for global variables	%
arduino:mbed_edge:edge_control	🔺 +64 - +64	+0.01 - +0.01	🔺 +8 - +8	0.0 - 0.0
arduino:mbed_nano:nano33ble	🔺 +64 - +64	+0.01 - +0.01	🔺 +8 - +8	0.0 - 0.0
arduino:mbed_nano:nanorp2040connect	🔺 +52 - +52	0.0 - 0.0	🔺 +8 - +8	0.0 - 0.0
arduino:mbed_portenta:envie_m4	🔺 +64 - +64	+0.01 - +0.01	🔺 +8 - +8	0.0 - 0.0
arduino:mbed_portenta:envie_m7	🔺 +64 - +64	+0.01 - +0.01	🔺 +8 - +8	0.0 - 0.0
arduino:samd:mkr1000	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
arduino:samd:mkrfox1200	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
arduino:samd:mkrgsm1400	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
arduino:samd:mkrnb1500	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
arduino:samd:mkrvidor4000	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
arduino:samd:mkrwan1300	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
arduino:samd:mkrwan1310	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
arduino:samd:mkrwifi1010	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
arduino:samd:mkrzero	🔺 +52 - +52	+0.02 - +0.02	🔺 +8 - +8	+0.02 - +0.02
esp32:esp32:esp32	🔺 +376 - +376	+0.03 - +0.03	🔺 +8 - +8	0.0 - 0.0
rp2040:rp2040:rpipico	🔺 +56 - +56	0.0 - 0.0	🔺 +8 - +8	0.0 - 0.0

Click for full report table

Board	examples/MCP2515-CAN-Sniffer flash	%	examples/MCP2515-CAN-Sniffer RAM for global variables	%	examples/MCP2515-Loopback flash	%	examples/MCP2515-Loopback RAM for global variables	%
arduino:mbed_edge:edge_control	64	0.01	8	0.0	64	0.01	8	0.0
arduino:mbed_nano:nano33ble	64	0.01	8	0.0	64	0.01	8	0.0
arduino:mbed_nano:nanorp2040connect	52	0.0	8	0.0	52	0.0	8	0.0
arduino:mbed_portenta:envie_m4	64	0.01	8	0.0	64	0.01	8	0.0
arduino:mbed_portenta:envie_m7	64	0.01	8	0.0	64	0.01	8	0.0
arduino:samd:mkr1000	52	0.02	8	0.02	52	0.02	8	0.02
arduino:samd:mkrfox1200	52	0.02	8	0.02	52	0.02	8	0.02
arduino:samd:mkrgsm1400	52	0.02	8	0.02	52	0.02	8	0.02
arduino:samd:mkrnb1500	52	0.02	8	0.02	52	0.02	8	0.02
arduino:samd:mkrvidor4000	52	0.02	8	0.02	52	0.02	8	0.02
arduino:samd:mkrwan1300	52	0.02	8	0.02	52	0.02	8	0.02
arduino:samd:mkrwan1310	52	0.02	8	0.02	52	0.02	8	0.02
arduino:samd:mkrwifi1010	52	0.02	8	0.02	52	0.02	8	0.02
arduino:samd:mkrzero	52	0.02	8	0.02	52	0.02	8	0.02
esp32:esp32:esp32	376	0.03	8	0.0	376	0.03	8	0.0
rp2040:rp2040:rpipico	56	0.0	8	0.0	56	0.0	8	0.0

Click for full report CSV

Board,examples/MCP2515-CAN-Sniffer<br>flash,%,examples/MCP2515-CAN-Sniffer<br>RAM for global variables,%,examples/MCP2515-Loopback<br>flash,%,examples/MCP2515-Loopback<br>RAM for global variables,%
arduino:mbed_edge:edge_control,64,0.01,8,0.0,64,0.01,8,0.0
arduino:mbed_nano:nano33ble,64,0.01,8,0.0,64,0.01,8,0.0
arduino:mbed_nano:nanorp2040connect,52,0.0,8,0.0,52,0.0,8,0.0
arduino:mbed_portenta:envie_m4,64,0.01,8,0.0,64,0.01,8,0.0
arduino:mbed_portenta:envie_m7,64,0.01,8,0.0,64,0.01,8,0.0
arduino:samd:mkr1000,52,0.02,8,0.02,52,0.02,8,0.02
arduino:samd:mkrfox1200,52,0.02,8,0.02,52,0.02,8,0.02
arduino:samd:mkrgsm1400,52,0.02,8,0.02,52,0.02,8,0.02
arduino:samd:mkrnb1500,52,0.02,8,0.02,52,0.02,8,0.02
arduino:samd:mkrvidor4000,52,0.02,8,0.02,52,0.02,8,0.02
arduino:samd:mkrwan1300,52,0.02,8,0.02,52,0.02,8,0.02
arduino:samd:mkrwan1310,52,0.02,8,0.02,52,0.02,8,0.02
arduino:samd:mkrwifi1010,52,0.02,8,0.02,52,0.02,8,0.02
arduino:samd:mkrzero,52,0.02,8,0.02,52,0.02,8,0.02
esp32:esp32:esp32,376,0.03,8,0.0,376,0.03,8,0.0
rp2040:rp2040:rpipico,56,0.0,8,0.0,56,0.0,8,0.0