Enable a bunch of clang-tidy checks (esphome#2149)

Author: oxan

.clang-tidy

@@ -5,11 +5,8 @@ Checks: >-
   -altera-*,
   -android-*,
   -boost-*,
-  -bugprone-branch-clone,
-  -bugprone-easily-swappable-parameters,
   -bugprone-narrowing-conversions,
   -bugprone-signed-char-misuse,
-  -bugprone-too-small-loop-variable,
   -cert-dcl50-cpp,
   -cert-err58-cpp,
   -cert-oop57-cpp,
@@ -19,12 +16,10 @@ Checks: >-
   -clang-diagnostic-delete-abstract-non-virtual-dtor,
   -clang-diagnostic-delete-non-abstract-non-virtual-dtor,
   -clang-diagnostic-shadow-field,
-  -clang-diagnostic-sign-compare,
-  -clang-diagnostic-unused-variable,
   -clang-diagnostic-unused-const-variable,
+  -clang-diagnostic-unused-parameter,
   -concurrency-*,
   -cppcoreguidelines-avoid-c-arrays,
-  -cppcoreguidelines-avoid-goto,
   -cppcoreguidelines-avoid-magic-numbers,
   -cppcoreguidelines-init-variables,
   -cppcoreguidelines-macro-usage,
@@ -41,7 +36,6 @@ Checks: >-
   -cppcoreguidelines-pro-type-union-access,
   -cppcoreguidelines-pro-type-vararg,
   -cppcoreguidelines-special-member-functions,
-  -fuchsia-default-arguments,
   -fuchsia-multiple-inheritance,
   -fuchsia-overloaded-operator,
   -fuchsia-statically-constructed-objects,

esphome/components/adalight/adalight_light_effect.cpp

@@ -25,7 +25,7 @@ void AdalightLightEffect::stop() {
   AddressableLightEffect::stop();
 }
 
-int AdalightLightEffect::get_frame_size_(int led_count) const {
+unsigned int AdalightLightEffect::get_frame_size_(int led_count) const {
   // 3 bytes: Ada
   // 2 bytes: LED count
   // 1 byte: checksum

esphome/components/adalight/adalight_light_effect.h

@@ -25,7 +25,7 @@ class AdalightLightEffect : public light::AddressableLightEffect, public uart::U
     CONSUMED,
   };
 
-  int get_frame_size_(int led_count) const;
+  unsigned int get_frame_size_(int led_count) const;
   void reset_frame_(light::AddressableLight &it);
   void blank_all_leds_(light::AddressableLight &it);
   Frame parse_frame_(light::AddressableLight &it);

esphome/components/aht10/aht10.cpp

@@ -110,12 +110,12 @@ void AHT10Component::update() {
   uint32_t raw_temperature = ((data[3] & 0x0F) << 16) | (data[4] << 8) | data[5];
   uint32_t raw_humidity = ((data[1] << 16) | (data[2] << 8) | data[3]) >> 4;
 
-  float temperature = ((200.0 * (float) raw_temperature) / 1048576.0) - 50.0;
+  float temperature = ((200.0f * (float) raw_temperature) / 1048576.0f) - 50.0f;
   float humidity;
   if (raw_humidity == 0) {  // unrealistic value
     humidity = NAN;
   } else {
-    humidity = (float) raw_humidity * 100.0 / 1048576.0;
+    humidity = (float) raw_humidity * 100.0f / 1048576.0f;
   }
 
   if (this->temperature_sensor_ != nullptr) {

esphome/components/am2320/am2320.cpp

@@ -38,9 +38,9 @@ void AM2320Component::update() {
     return;
   }
 
-  float temperature = (((data[4] & 0x7F) << 8) + data[5]) / 10.0;
+  float temperature = (((data[4] & 0x7F) << 8) + data[5]) / 10.0f;
   temperature = (data[4] & 0x80) ? -temperature : temperature;
-  float humidity = ((data[2] << 8) + data[3]) / 10.0;
+  float humidity = ((data[2] << 8) + data[3]) / 10.0f;
 
   ESP_LOGD(TAG, "Got temperature=%.1f°C humidity=%.1f%%", temperature, humidity);
   if (this->temperature_sensor_ != nullptr)

esphome/components/anova/anova_base.cpp

@@ -103,13 +103,7 @@ void AnovaCodec::decode(const uint8_t *data, uint16_t length) {
       }
       break;
     }
-    case READ_TARGET_TEMPERATURE: {
-      this->target_temp_ = parse_number<float>(str_until(buf, '\r')).value_or(0.0f);
-      if (this->fahrenheit_)
-        this->target_temp_ = ftoc(this->target_temp_);
-      this->has_target_temp_ = true;
-      break;
-    }
+    case READ_TARGET_TEMPERATURE:
     case SET_TARGET_TEMPERATURE: {
       this->target_temp_ = parse_number<float>(str_until(buf, '\r')).value_or(0.0f);
       if (this->fahrenheit_)

esphome/components/api/api_connection.cpp

@@ -132,7 +132,7 @@ void APIConnection::loop() {
 
   if (state_subs_at_ != -1) {
     const auto &subs = this->parent_->get_state_subs();
-    if (state_subs_at_ >= subs.size()) {
+    if (state_subs_at_ >= (int) subs.size()) {
       state_subs_at_ = -1;
     } else {
       auto &it = subs[state_subs_at_];

esphome/components/api/api_frame_helper.cpp

@@ -174,9 +174,6 @@ APIError APINoiseFrameHelper::loop() {
  * errno API_ERROR_HANDSHAKE_PACKET_LEN: Packet too big for this phase.
  */
 APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
-  int err;
-  APIError aerr;
-
   if (frame == nullptr) {
     HELPER_LOG("Bad argument for try_read_frame_");
     return APIError::BAD_ARG;
@@ -200,7 +197,7 @@ APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
       return APIError::CONNECTION_CLOSED;
     }
     rx_header_buf_len_ += received;
-    if (received != to_read) {
+    if ((size_t) received != to_read) {
       // not a full read
       return APIError::WOULD_BLOCK;
     }
@@ -247,7 +244,7 @@ APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
       return APIError::CONNECTION_CLOSED;
     }
     rx_buf_len_ += received;
-    if (received != to_read) {
+    if ((size_t) received != to_read) {
       // not all read
       return APIError::WOULD_BLOCK;
     }
@@ -544,7 +541,6 @@ APIError APINoiseFrameHelper::try_send_tx_buf_() {
 APIError APINoiseFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
   if (iovcnt == 0)
     return APIError::OK;
-  int err;
   APIError aerr;
 
   size_t total_write_len = 0;
@@ -584,7 +580,7 @@ APIError APINoiseFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
     state_ = State::FAILED;
     HELPER_LOG("Socket write failed with errno %d", errno);
     return APIError::SOCKET_WRITE_FAILED;
-  } else if (sent != total_write_len) {
+  } else if ((size_t) sent != total_write_len) {
     // partially sent, add end to tx_buf
     size_t to_consume = sent;
     for (int i = 0; i < iovcnt; i++) {
@@ -778,9 +774,6 @@ APIError APIPlaintextFrameHelper::loop() {
  * error API_ERROR_BAD_INDICATOR: Bad indicator byte at start of frame.
  */
 APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
-  int err;
-  APIError aerr;
-
   if (frame == nullptr) {
     HELPER_LOG("Bad argument for try_read_frame_");
     return APIError::BAD_ARG;
@@ -854,7 +847,7 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
       return APIError::CONNECTION_CLOSED;
     }
     rx_buf_len_ += received;
-    if (received != to_read) {
+    if ((size_t) received != to_read) {
       // not all read
       return APIError::WOULD_BLOCK;
     }
@@ -874,7 +867,6 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
 }
 
 APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
-  int err;
   APIError aerr;
 
   if (state_ != State::DATA) {
@@ -894,9 +886,6 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
 }
 bool APIPlaintextFrameHelper::can_write_without_blocking() { return state_ == State::DATA && tx_buf_.empty(); }
 APIError APIPlaintextFrameHelper::write_packet(uint16_t type, const uint8_t *payload, size_t payload_len) {
-  int err;
-  APIError aerr;
-
   if (state_ != State::DATA) {
     return APIError::BAD_STATE;
   }
@@ -940,7 +929,6 @@ APIError APIPlaintextFrameHelper::try_send_tx_buf_() {
 APIError APIPlaintextFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
   if (iovcnt == 0)
     return APIError::OK;
-  int err;
   APIError aerr;
 
   size_t total_write_len = 0;
@@ -980,7 +968,7 @@ APIError APIPlaintextFrameHelper::write_raw_(const struct iovec *iov, int iovcnt
     state_ = State::FAILED;
     HELPER_LOG("Socket write failed with errno %d", errno);
     return APIError::SOCKET_WRITE_FAILED;
-  } else if (sent != total_write_len) {
+  } else if ((size_t) sent != total_write_len) {
     // partially sent, add end to tx_buf
     size_t to_consume = sent;
     for (int i = 0; i < iovcnt; i++) {