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flash_main: use MB for flash writer thread commands

This commit is contained in:
Andrey Gusakov 2025-01-04 19:03:30 +03:00 committed by rusefillc
parent 5b749d6250
commit f66e17d0b8
1 changed files with 15 additions and 5 deletions
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20
firmware/controllers/flash_main.cpp
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@ -36,7 +36,7 @@ static bool needToWriteConfiguration = false;
*/
#if (EFI_FLASH_WRITE_THREAD == TRUE)
chibios_rt::BinarySemaphore flashWriteSemaphore(/*taken =*/ true);
chibios_rt::Mailbox<msg_t, 16> flashWriterMb;
#if EFI_STORAGE_MFS == TRUE
/* in case of MFS we need more stack */
@ -49,11 +49,20 @@ static void flashWriteThread(void*) {
chRegSetThreadName("flash writer");
while (true) {
msg_t ret;
msg_t msg;
// Wait for a request to come in
flashWriteSemaphore.wait();
ret = flashWriterMb.fetch(&msg, TIME_INFINITE);
if (ret != MSG_OK) {
continue;
}
// Do the actual flash write operation
writeToFlashNow();
// Do the actual flash write operation for given ID
if (msg == EFI_SETTINGS_RECORD_ID) {
writeToFlashNow();
} else {
efiPrintf("Requested to write unknown record id %ld", msg);
}
}
}
#endif // EFI_FLASH_WRITE_THREAD
@ -72,7 +81,8 @@ void setNeedToWriteConfiguration() {
#if (EFI_FLASH_WRITE_THREAD == TRUE)
if (allowFlashWhileRunning()) {
// Signal the flash writer thread to wake up and write at its leisure
flashWriteSemaphore.signal();
msg_t id = EFI_SETTINGS_RECORD_ID;
flashWriterMb.post(id, TIME_IMMEDIATE);
}
#endif // EFI_FLASH_WRITE_THREAD
}