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Shorten the ble name to prevent crash with long device names (#1920)

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This commit is contained in:
Jesse Hills 2021-06-16 13:49:06 +12:00
parent 9ce3a2059f
commit a5383fd208
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GPG key ID: BEAAE804EFD8E83A
2 changed files with 14 additions and 1 deletions
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11
esphome/components/esp32_ble/ble.cpp
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@ -91,7 +91,16 @@ bool ESP32BLE::ble_setup_() {
}
}
err = esp_ble_gap_set_device_name(App.get_name().c_str());
std::string name = App.get_name();
if (name.length() > 20) {
if (App.is_name_add_mac_suffix_enabled()) {
name.erase(name.begin() + 13, name.end() - 7); // Remove characters between 13 and the mac address
} else {
name = name.substr(0, 20);
}
}
err = esp_ble_gap_set_device_name(name.c_str());
if (err != ESP_OK) {
ESP_LOGE(TAG, "esp_ble_gap_set_device_name failed: %d", err);
return false;

4
esphome/core/application.h
View file

@ -38,6 +38,7 @@ namespace esphome {
class Application {
public:
void pre_setup(const std::string &name, const char *compilation_time, bool name_add_mac_suffix) {
this->name_add_mac_suffix_ = name_add_mac_suffix;
if (name_add_mac_suffix) {
this->name_ = name + "-" + get_mac_address().substr(6);
} else {
@ -97,6 +98,8 @@ class Application {
/// Get the name of this Application set by set_name().
const std::string &get_name() const { return this->name_; }
bool is_name_add_mac_suffix_enabled() const { return this->name_add_mac_suffix_; }
const std::string &get_compilation_time() const { return this->compilation_time_; }
/** Set the target interval with which to run the loop() calls.
@ -245,6 +248,7 @@ class Application {
std::string name_;
std::string compilation_time_;
bool name_add_mac_suffix_;
uint32_t last_loop_{0};
uint32_t loop_interval_{16};
int dump_config_at_{-1};