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[api] Store plaintext error message in PROGMEM on ESP8266

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This commit is contained in:
J. Nick Koston
2025-09-07 08:21:02 -05:00
parent 4d09932320
commit c198ef6b07
1 changed files with 14 additions and 2 deletions
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14
esphome/components/api/api_frame_helper_plaintext.cpp
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@@ -10,6 +10,10 @@
#include <cstring>
#include <cinttypes>
#ifdef USE_ESP8266
#include <pgmspace.h>
#endif
namespace esphome::api {
static const char *const TAG = "api.plaintext";
@@ -197,9 +201,17 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
// We must send at least 3 bytes to be read, so we add
// a message after the indicator byte to ensures its long
// enough and can aid in debugging.
const char msg[] = "\x00"
#ifdef USE_ESP8266
static const char msg_progmem[] PROGMEM = "\x00"
"Bad indicator byte";
char msg[19];
memcpy_P(msg, msg_progmem, 19);
iov[0].iov_base = (void *) msg;
#else
static const char msg[] = "\x00"
"Bad indicator byte";
iov[0].iov_base = (void *) msg;
#endif
iov[0].iov_len = 19;
this->write_raw_(iov, 1, 19);
}