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Code Issues Releases Wiki Activity

CAN bus: support bit mask for on_frame can_id (#3196)

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This commit is contained in:
Felix Storm
2022-02-17 05:00:31 +01:00
committed by GitHub
parent c054fb8a2c
commit 38259c96c9
4 changed files with 58 additions and 9 deletions
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16
esphome/components/canbus/__init__.py
View File

@@ -8,6 +8,7 @@ CODEOWNERS = ["@mvturnho", "@danielschramm"]
IS_PLATFORM_COMPONENT = True
CONF_CAN_ID = "can_id"
CONF_CAN_ID_MASK = "can_id_mask"
CONF_USE_EXTENDED_ID = "use_extended_id"
CONF_CANBUS_ID = "canbus_id"
CONF_BIT_RATE = "bit_rate"
@@ -38,7 +39,7 @@ canbus_ns = cg.esphome_ns.namespace("canbus")
CanbusComponent = canbus_ns.class_("CanbusComponent", cg.Component)
CanbusTrigger = canbus_ns.class_(
"CanbusTrigger",
automation.Trigger.template(cg.std_vector.template(cg.uint8)),
automation.Trigger.template(cg.std_vector.template(cg.uint8), cg.uint32),
cg.Component,
)
CanSpeed = canbus_ns.enum("CAN_SPEED")
@@ -72,6 +73,9 @@ CANBUS_SCHEMA = cv.Schema(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(CanbusTrigger),
cv.Required(CONF_CAN_ID): cv.int_range(min=0, max=0x1FFFFFFF),
cv.Optional(CONF_CAN_ID_MASK, default=0x1FFFFFFF): cv.int_range(
min=0, max=0x1FFFFFFF
),
cv.Optional(CONF_USE_EXTENDED_ID, default=False): cv.boolean,
},
validate_id,
@@ -90,11 +94,16 @@ async def setup_canbus_core_(var, config):
for conf in config.get(CONF_ON_FRAME, []):
can_id = conf[CONF_CAN_ID]
can_id_mask = conf[CONF_CAN_ID_MASK]
ext_id = conf[CONF_USE_EXTENDED_ID]
trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var, can_id, ext_id)
trigger = cg.new_Pvariable(
conf[CONF_TRIGGER_ID], var, can_id, can_id_mask, ext_id
)
await cg.register_component(trigger, conf)
await automation.build_automation(
trigger, [(cg.std_vector.template(cg.uint8), "x")], conf
trigger,
[(cg.std_vector.template(cg.uint8), "x"), (cg.uint32, "can_id")],
conf,
)
@@ -126,7 +135,6 @@ async def canbus_action_to_code(config, action_id, template_arg, args):
if CONF_CAN_ID in config:
can_id = await cg.templatable(config[CONF_CAN_ID], args, cg.uint32)
cg.add(var.set_can_id(can_id))
use_extended_id = await cg.templatable(
config[CONF_USE_EXTENDED_ID], args, cg.uint32
)

5
esphome/components/canbus/canbus.cpp
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@@ -78,8 +78,9 @@ void Canbus::loop() {
// fire all triggers
for (auto *trigger : this->triggers_) {
if ((trigger->can_id_ == can_message.can_id) && (trigger->use_extended_id_ == can_message.use_extended_id)) {
trigger->trigger(data);
if ((trigger->can_id_ == (can_message.can_id & trigger->can_id_mask_)) &&
(trigger->use_extended_id_ == can_message.use_extended_id)) {
trigger->trigger(data, can_message.can_id);
}
}
}

8
esphome/components/canbus/canbus.h
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@@ -116,17 +116,19 @@ template<typename... Ts> class CanbusSendAction : public Action<Ts...>, public P
std::vector<uint8_t> data_static_{};
};
class CanbusTrigger : public Trigger<std::vector<uint8_t>>, public Component {
class CanbusTrigger : public Trigger<std::vector<uint8_t>, uint32_t>, public Component {
friend class Canbus;
public:
explicit CanbusTrigger(Canbus *parent, const std::uint32_t can_id, const bool use_extended_id)
: parent_(parent), can_id_(can_id), use_extended_id_(use_extended_id){};
explicit CanbusTrigger(Canbus *parent, const std::uint32_t can_id, const std::uint32_t can_id_mask,
const bool use_extended_id)
: parent_(parent), can_id_(can_id), can_id_mask_(can_id_mask), use_extended_id_(use_extended_id){};
void setup() override { this->parent_->add_trigger(this); }
protected:
Canbus *parent_;
uint32_t can_id_;
uint32_t can_id_mask_;
bool use_extended_id_;
};

38
tests/test1.yaml
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@@ -2551,6 +2551,25 @@ canbus:
lambda: "return x[0] == 0x11;"
then:
light.toggle: ${roomname}_lights
- can_id: 0b00000000000000000000001000000
can_id_mask: 0b11111000000000011111111000000
use_extended_id: true
then:
- lambda: |-
auto pdo_id = can_id >> 14;
switch (pdo_id)
{
case 117:
ESP_LOGD("canbus", "exhaust_fan_duty");
break;
case 118:
ESP_LOGD("canbus", "supply_fan_duty");
break;
case 119:
ESP_LOGD("canbus", "supply_fan_flow");
break;
// to be continued...
}
- platform: esp32_can
id: esp32_internal_can
rx_pin: GPIO04
@@ -2570,6 +2589,25 @@ canbus:
lambda: "return x[0] == 0x11;"
then:
light.toggle: ${roomname}_lights
- can_id: 0b00000000000000000000001000000
can_id_mask: 0b11111000000000011111111000000
use_extended_id: true
then:
- lambda: |-
auto pdo_id = can_id >> 14;
switch (pdo_id)
{
case 117:
ESP_LOGD("canbus", "exhaust_fan_duty");
break;
case 118:
ESP_LOGD("canbus", "supply_fan_duty");
break;
case 119:
ESP_LOGD("canbus", "supply_fan_flow");
break;
// to be continued...
}
teleinfo:
id: myteleinfo