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import esp
import uctypes
import lwip
def main():
ROM = uctypes.bytearray_at(0x40200000, 16)
fid = esp.flash_id()
print("FlashROM:")
print("Flash ID: %x (Vendor: %x Device: %x)" % (fid, fid & 0xff, fid & 0xff00 | fid >> 16))
print("Flash bootloader data:")
SZ_MAP = {0: "512KB", 1: "256KB", 2: "1MB", 3: "2MB", 4: "4MB"}
FREQ_MAP = {0: "40MHZ", 1: "26MHZ", 2: "20MHz", 0xf: "80MHz"}
print("Byte @2: %02x" % ROM[2])
print("Byte @3: %02x (Flash size: %s Flash freq: %s)" % (ROM[3], SZ_MAP.get(ROM[3] >> 4, "?"), FREQ_MAP.get(ROM[3] & 0xf)))
print("\nNetworking:")
print("Free WiFi driver buffers of type:")
for i in range(5):
print("%d: %d" % (i, esp.esf_free_bufs(i)))
print("lwIP PCBs:")
lwip.print_pcbs()
main()
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