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use progmem to store strings on ESP8266s

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This commit is contained in:
Kevin Ahrendt
2025-12-02 17:48:05 -05:00
parent 224866dfbb
commit d85d8745f6
1 changed files with 34 additions and 0 deletions
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34
esphome/components/wifi_info/wifi_info_text_sensor.cpp
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@@ -2,6 +2,10 @@
#ifdef USE_WIFI
#include "esphome/core/log.h"
#ifdef USE_ESP8266
#include <pgmspace.h>
#endif
namespace esphome::wifi_info {
static const char *const TAG = "wifi_info";
@@ -109,6 +113,34 @@ void PowerSaveModeWiFiInfo::setup() { wifi::global_wifi_component->add_power_sav
void PowerSaveModeWiFiInfo::dump_config() { LOG_TEXT_SENSOR("", "WiFi Power Save Mode", this); }
void PowerSaveModeWiFiInfo::on_wifi_power_save(wifi::WiFiPowerSaveMode mode) {
#ifdef USE_ESP8266
#define MODE_STR(s) static const char MODE_##s[] PROGMEM = #s
MODE_STR(NONE);
MODE_STR(LIGHT);
MODE_STR(HIGH);
MODE_STR(UNKNOWN);
const char *mode_str_p;
switch (mode) {
case wifi::WIFI_POWER_SAVE_NONE:
mode_str_p = MODE_NONE;
break;
case wifi::WIFI_POWER_SAVE_LIGHT:
mode_str_p = MODE_LIGHT;
break;
case wifi::WIFI_POWER_SAVE_HIGH:
mode_str_p = MODE_HIGH;
break;
default:
mode_str_p = MODE_UNKNOWN;
break;
}
char mode_str[8];
strncpy_P(mode_str, mode_str_p, sizeof(mode_str));
mode_str[sizeof(mode_str) - 1] = '\0';
#undef MODE_STR
#else
const char *mode_str;
switch (mode) {
case wifi::WIFI_POWER_SAVE_NONE:
@@ -124,8 +156,10 @@ void PowerSaveModeWiFiInfo::on_wifi_power_save(wifi::WiFiPowerSaveMode mode) {
mode_str = "UNKNOWN";
break;
}
#endif
this->publish_state(mode_str);
}
#endif
/*********************