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FIx the chipid typo

This commit is contained in:
Philip Gladstone 2022-10-07 18:56:42 -04:00
parent 868f3747ea
commit 064f1ef89c
1 changed files with 5 additions and 3 deletions
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8
components/modules/node.c
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@ -148,16 +148,18 @@ static int node_bootreason( lua_State *L)
// Lua: node.chipid()
static int node_chipid( lua_State *L )
{
#ifdef EFUSE_BLK0_DATA1_REG
#ifdef EFUSE_BLK0_RDATA1_REG
// This matches the way esptool.py generates a chipid for the ESP32 as of
// esptool commit e9e9179f6fc3f2ecfc568987d3224b5e53a05f06
// Oddly, this drops the lowest byte what's effectively the MAC address, so
// it would seem plausible to encounter up to 256 chips with the same chipid
uint64_t word16 = REG_READ(EFUSE_BLK0_DATA1_REG);
uint64_t word17 = REG_READ(EFUSE_BLK0_DATA2_REG);
uint64_t word16 = REG_READ(EFUSE_BLK0_RDATA1_REG);
uint64_t word17 = REG_READ(EFUSE_BLK0_RDATA2_REG);
const uint64_t MAX_UINT24 = 0xffffff;
uint64_t cid = ((word17 & MAX_UINT24) << 24) | ((word16 >> 8) & MAX_UINT24);
#else
// This makes the chipid the same as the mac on parts which don't have the
// EFUSE layout defined.
uint8_t mac[8];
esp_read_mac(mac, ESP_MAC_WIFI_STA);
uint64_t cid = ((uint64_t) mac[0] << 40) | ((uint64_t) mac[1] << 32) | (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5];