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[realtek-ambz] Fix reading chip MAC address from eFuse

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Kuba Szczodrzyński
2022-06-24 21:47:00 +02:00
parent f4f2eda481
commit 3ffc70abe5
1 changed files with 7 additions and 2 deletions
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9
arduino/realtek-ambz/cores/arduino/LibreTuyaAPI.cpp
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@@ -35,9 +35,14 @@ uint32_t LibreTuya::getChipId() {
uint32_t chipId = 0;
uint8_t *id = (uint8_t *)&chipId;
// 9902 was extracted from ROM disassembly, probably not needed
EFUSE_OneByteReadROM(9902, 0x3B, id + 0, L25EOUTVOLTAGE);
/* EFUSE_OneByteReadROM(9902, 0x3B, id + 0, L25EOUTVOLTAGE);
EFUSE_OneByteReadROM(9902, 0x3C, id + 1, L25EOUTVOLTAGE);
EFUSE_OneByteReadROM(9902, 0x3D, id + 2, L25EOUTVOLTAGE);
EFUSE_OneByteReadROM(9902, 0x3D, id + 2, L25EOUTVOLTAGE); */
// new method, based on EFUSE logical map
uint8_t *efuse = (uint8_t *)malloc(512);
// TODO do what EFUSE_LogicalMapRead() does, and read only the used data
EFUSE_LogicalMap_Read(efuse);
memcpy(id, efuse + 0x11A + 3, 3);
return chipId;
}