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Code Issues Projects Releases Wiki Activity

Handle Tuya multi-datapoint messages (#3159)

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Co-authored-by: Samuel Sieb <samuel@sieb.net>
This commit is contained in:
Samuel Sieb 2022-02-03 18:50:42 -08:00 committed by GitHub
parent e7864a28a1
commit 42984fa72a
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 98 additions and 93 deletions
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59
esphome/components/tuya/tuya.cpp
View File

@ -199,7 +199,7 @@ void Tuya::handle_command_(uint8_t command, uint8_t version, const uint8_t *buff
this->set_timeout("datapoint_dump", 1000, [this] { this->dump_config(); });
this->initialized_callback_.call();
}
this->handle_datapoint_(buffer, len);
this->handle_datapoints_(buffer, len);
break;
case TuyaCommandType::DATAPOINT_QUERY:
break;
@ -224,69 +224,58 @@ void Tuya::handle_command_(uint8_t command, uint8_t version, const uint8_t *buff
}
}
void Tuya::handle_datapoint_(const uint8_t *buffer, size_t len) {
if (len < 2)
return;
void Tuya::handle_datapoints_(const uint8_t *buffer, size_t len) {
while (len >= 4) {
TuyaDatapoint datapoint{};
datapoint.id = buffer[0];
datapoint.type = (TuyaDatapointType) buffer[1];
datapoint.value_uint = 0;
// Drop update if datapoint is in ignore_mcu_datapoint_update list
for (uint8_t i : this->ignore_mcu_update_on_datapoints_) {
if (datapoint.id == i) {
ESP_LOGV(TAG, "Datapoint %u found in ignore_mcu_update_on_datapoints list, dropping MCU update", datapoint.id);
return;
}
}
size_t data_size = (buffer[2] << 8) + buffer[3];
const uint8_t *data = buffer + 4;
size_t data_len = len - 4;
if (data_size > data_len) {
ESP_LOGW(TAG, "Datapoint %u has extra bytes that will be ignored (%zu > %zu)", datapoint.id, data_size, data_len);
} else if (data_size < data_len) {
ESP_LOGW(TAG, "Datapoint %u is truncated and cannot be parsed (%zu < %zu)", datapoint.id, data_size, data_len);
ESP_LOGW(TAG, "Datapoint %u is truncated and cannot be parsed (%zu > %zu)", datapoint.id, data_size, data_len);
return;
}
datapoint.len = data_len;
datapoint.len = data_size;
switch (datapoint.type) {
case TuyaDatapointType::RAW:
datapoint.value_raw = std::vector<uint8_t>(data, data + data_len);
datapoint.value_raw = std::vector<uint8_t>(data, data + data_size);
ESP_LOGD(TAG, "Datapoint %u update to %s", datapoint.id, format_hex_pretty(datapoint.value_raw).c_str());
break;
case TuyaDatapointType::BOOLEAN:
if (data_len != 1) {
ESP_LOGW(TAG, "Datapoint %u has bad boolean len %zu", datapoint.id, data_len);
if (data_size != 1) {
ESP_LOGW(TAG, "Datapoint %u has bad boolean len %zu", datapoint.id, data_size);
return;
}
datapoint.value_bool = data[0];
ESP_LOGD(TAG, "Datapoint %u update to %s", datapoint.id, ONOFF(datapoint.value_bool));
break;
case TuyaDatapointType::INTEGER:
if (data_len != 4) {
ESP_LOGW(TAG, "Datapoint %u has bad integer len %zu", datapoint.id, data_len);
if (data_size != 4) {
ESP_LOGW(TAG, "Datapoint %u has bad integer len %zu", datapoint.id, data_size);
return;
}
datapoint.value_uint = encode_uint32(data[0], data[1], data[2], data[3]);
ESP_LOGD(TAG, "Datapoint %u update to %d", datapoint.id, datapoint.value_int);
break;
case TuyaDatapointType::STRING:
datapoint.value_string = std::string(reinterpret_cast<const char *>(data), data_len);
datapoint.value_string = std::string(reinterpret_cast<const char *>(data), data_size);
ESP_LOGD(TAG, "Datapoint %u update to %s", datapoint.id, datapoint.value_string.c_str());
break;
case TuyaDatapointType::ENUM:
if (data_len != 1) {
ESP_LOGW(TAG, "Datapoint %u has bad enum len %zu", datapoint.id, data_len);
if (data_size != 1) {
ESP_LOGW(TAG, "Datapoint %u has bad enum len %zu", datapoint.id, data_size);
return;
}
datapoint.value_enum = data[0];
ESP_LOGD(TAG, "Datapoint %u update to %d", datapoint.id, datapoint.value_enum);
break;
case TuyaDatapointType::BITMASK:
switch (data_len) {
switch (data_size) {
case 1:
datapoint.value_bitmask = encode_uint32(0, 0, 0, data[0]);
break;
@ -297,7 +286,7 @@ void Tuya::handle_datapoint_(const uint8_t *buffer, size_t len) {
datapoint.value_bitmask = encode_uint32(data[0], data[1], data[2], data[3]);
break;
default:
ESP_LOGW(TAG, "Datapoint %u has bad bitmask len %zu", datapoint.id, data_len);
ESP_LOGW(TAG, "Datapoint %u has bad bitmask len %zu", datapoint.id, data_size);
return;
}
ESP_LOGD(TAG, "Datapoint %u update to %#08X", datapoint.id, datapoint.value_bitmask);
@ -307,6 +296,21 @@ void Tuya::handle_datapoint_(const uint8_t *buffer, size_t len) {
return;
}
len -= data_size + 4;
buffer = data + data_size;
// drop update if datapoint is in ignore_mcu_datapoint_update list
bool skip = false;
for (auto i : this->ignore_mcu_update_on_datapoints_) {
if (datapoint.id == i) {
ESP_LOGV(TAG, "Datapoint %u found in ignore_mcu_update_on_datapoints list, dropping MCU update", datapoint.id);
skip = true;
break;
}
}
if (skip)
continue;
// Update internal datapoints
bool found = false;
for (auto &other : this->datapoints_) {
@ -325,6 +329,7 @@ void Tuya::handle_datapoint_(const uint8_t *buffer, size_t len) {
listener.on_datapoint(datapoint);
}
}
}
void Tuya::send_raw_command_(TuyaCommand command) {
uint8_t len_hi = (uint8_t)(command.payload.size() >> 8);

2
esphome/components/tuya/tuya.h
View File

@ -101,7 +101,7 @@ class Tuya : public Component, public uart::UARTDevice {
protected:
void handle_char_(uint8_t c);
void handle_datapoint_(const uint8_t *buffer, size_t len);
void handle_datapoints_(const uint8_t *buffer, size_t len);
optional<TuyaDatapoint> get_datapoint_(uint8_t datapoint_id);
bool validate_message_();