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Code Issues Releases Wiki Activity

[i2c] Perform register reads as single transactions (#10389)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Clyde Stubbs
2025-08-27 19:30:33 +10:00
committed by GitHub
parent 65d63de9b6
commit c171d13c8c
38 changed files with 329 additions and 643 deletions
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4
esphome/components/mcp4461/mcp4461.cpp
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@@ -328,7 +328,7 @@ bool Mcp4461Component::increase_wiper_(Mcp4461WiperIdx wiper) {
ESP_LOGV(TAG, "Increasing wiper %u", wiper_idx);
uint8_t addr = this->get_wiper_address_(wiper_idx);
uint8_t reg = addr | static_cast<uint8_t>(Mcp4461Commands::INCREMENT);
auto err = this->write(&this->address_, reg, sizeof(reg));
auto err = this->write(&this->address_, reg);
if (err != i2c::ERROR_OK) {
this->error_code_ = MCP4461_STATUS_I2C_ERROR;
this->status_set_warning();
@@ -359,7 +359,7 @@ bool Mcp4461Component::decrease_wiper_(Mcp4461WiperIdx wiper) {
ESP_LOGV(TAG, "Decreasing wiper %u", wiper_idx);
uint8_t addr = this->get_wiper_address_(wiper_idx);
uint8_t reg = addr | static_cast<uint8_t>(Mcp4461Commands::DECREMENT);
auto err = this->write(&this->address_, reg, sizeof(reg));
auto err = this->write(&this->address_, reg);
if (err != i2c::ERROR_OK) {
this->error_code_ = MCP4461_STATUS_I2C_ERROR;
this->status_set_warning();