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[esphome][ota] Add write_byte_() helper to reduce code duplication

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This commit is contained in:
J. Nick Koston
2025-10-23 22:58:09 -07:00
parent 2c85ba037e
commit 5426f8736b
2 changed files with 10 additions and 19 deletions
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28
esphome/components/esphome/ota/ota_esphome.cpp
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@@ -281,19 +281,15 @@ void ESPHomeOTAComponent::handle_data_() {
#endif
// Acknowledge auth OK - 1 byte
buf[0] = ota::OTA_RESPONSE_AUTH_OK;
this->writeall_(buf, 1);
this->write_byte_(ota::OTA_RESPONSE_AUTH_OK);
// Read size, 4 bytes MSB first
if (!this->readall_(buf, 4)) {
this->log_read_error_(LOG_STR("size"));
goto error; // NOLINT(cppcoreguidelines-avoid-goto)
}
ota_size = 0;
for (uint8_t i = 0; i < 4; i++) {
ota_size <<= 8;
ota_size |= buf[i];
}
ota_size = (static_cast<size_t>(buf[0]) << 24) | (static_cast<size_t>(buf[1]) << 16) |
(static_cast<size_t>(buf[2]) << 8) | buf[3];
ESP_LOGV(TAG, "Size is %u bytes", ota_size);
// Now that we've passed authentication and are actually
@@ -313,8 +309,7 @@ void ESPHomeOTAComponent::handle_data_() {
update_started = true;
// Acknowledge prepare OK - 1 byte
buf[0] = ota::OTA_RESPONSE_UPDATE_PREPARE_OK;
this->writeall_(buf, 1);
this->write_byte_(ota::OTA_RESPONSE_UPDATE_PREPARE_OK);
// Read binary MD5, 32 bytes
if (!this->readall_(buf, 32)) {
@@ -326,8 +321,7 @@ void ESPHomeOTAComponent::handle_data_() {
this->backend_->set_update_md5(sbuf);
// Acknowledge MD5 OK - 1 byte
buf[0] = ota::OTA_RESPONSE_BIN_MD5_OK;
this->writeall_(buf, 1);
this->write_byte_(ota::OTA_RESPONSE_BIN_MD5_OK);
while (total < ota_size) {
// TODO: timeout check
@@ -354,8 +348,7 @@ void ESPHomeOTAComponent::handle_data_() {
total += read;
#if USE_OTA_VERSION == 2
while (size_acknowledged + OTA_BLOCK_SIZE <= total || (total == ota_size && size_acknowledged < ota_size)) {
buf[0] = ota::OTA_RESPONSE_CHUNK_OK;
this->writeall_(buf, 1);
this->write_byte_(ota::OTA_RESPONSE_CHUNK_OK);
size_acknowledged += OTA_BLOCK_SIZE;
}
#endif
@@ -374,8 +367,7 @@ void ESPHomeOTAComponent::handle_data_() {
}
// Acknowledge receive OK - 1 byte
buf[0] = ota::OTA_RESPONSE_RECEIVE_OK;
this->writeall_(buf, 1);
this->write_byte_(ota::OTA_RESPONSE_RECEIVE_OK);
error_code = this->backend_->end();
if (error_code != ota::OTA_RESPONSE_OK) {
@@ -384,8 +376,7 @@ void ESPHomeOTAComponent::handle_data_() {
}
// Acknowledge Update end OK - 1 byte
buf[0] = ota::OTA_RESPONSE_UPDATE_END_OK;
this->writeall_(buf, 1);
this->write_byte_(ota::OTA_RESPONSE_UPDATE_END_OK);
// Read ACK
if (!this->readall_(buf, 1) || buf[0] != ota::OTA_RESPONSE_OK) {
@@ -404,8 +395,7 @@ void ESPHomeOTAComponent::handle_data_() {
App.safe_reboot();
error:
buf[0] = static_cast<uint8_t>(error_code);
this->writeall_(buf, 1);
this->write_byte_(static_cast<uint8_t>(error_code));
this->cleanup_connection_();
if (this->backend_ != nullptr && update_started) {

1
esphome/components/esphome/ota/ota_esphome.h
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@@ -53,6 +53,7 @@ class ESPHomeOTAComponent : public ota::OTAComponent {
#endif // USE_OTA_PASSWORD
bool readall_(uint8_t *buf, size_t len);
bool writeall_(const uint8_t *buf, size_t len);
inline bool write_byte_(uint8_t byte) { return this->writeall_(&byte, 1); }
bool try_read_(size_t to_read, const LogString *desc);
bool try_write_(size_t to_write, const LogString *desc);