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Allow the _state_count properties to be unimplemented 

This is the case on the SPI implementations MCP2515 and MCP2518.
This commit is contained in:
Jeff Epler 2020-09-29 14:05:50 -05:00
parent 03bd968450
commit 1bea099eb2
1 changed files with 18 additions and 3 deletions
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21
shared-bindings/canio/CAN.c
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@ -172,7 +172,12 @@ STATIC const mp_obj_property_t canio_can_receive_error_count_obj = {
};
//| error_warning_state_count: int
//| """The number of times the controller enterted the Error Warning state (read-only). This number wraps around to 0 after an implementation-defined number of errors."""
//| """The number of times the controller enterted the Error Warning
//| state (read-only). This number wraps around to 0 after an
//| implementation-defined number of errors.
//|
//| Not all implementations support this property. If the property
//| is unsupported, AttributeError will be raised."""
//|
STATIC mp_obj_t canio_can_error_warning_state_count_get(mp_obj_t self_in) {
canio_can_obj_t *self = MP_OBJ_TO_PTR(self_in);
@ -189,7 +194,12 @@ STATIC const mp_obj_property_t canio_can_error_warning_state_count_obj = {
};
//| error_passive_state_count: int
//| """The number of times the controller enterted the Error Passive state (read-only). This number wraps around to 0 after an implementation-defined number of errors."""
//| """The number of times the controller enterted the Error Passive
//| state (read-only). This number wraps around to 0 after an
//| implementation-defined number of errors.
//|
//| Not all implementations support this property. If the property
//| is unsupported, AttributeError will be raised."""
//|
STATIC mp_obj_t canio_can_error_passive_state_count_get(mp_obj_t self_in) {
canio_can_obj_t *self = MP_OBJ_TO_PTR(self_in);
@ -206,7 +216,12 @@ STATIC const mp_obj_property_t canio_can_error_passive_state_count_obj = {
};
//| bus_off_state_count: int
//| """The number of times the controller enterted the Bus Off state (read-only). This number wraps around to 0 after an implementation-defined number of errors."""
//| """The number of times the controller enterted the Bus Off state
//| (read-only). This number wraps around to 0 after an
//| implementation-defined number of errors.
//|
//| Not all implementations support this property. If the property
//| is unsupported, AttributeError will be raised."""
//|
STATIC mp_obj_t canio_can_bus_off_state_count_get(mp_obj_t self_in) {
canio_can_obj_t *self = MP_OBJ_TO_PTR(self_in);