Differences

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--- projects:xiaomi-flora [2016/11/02 20:06] – [Xiaomi Flora Plant Monitor teardown and analysis] emeryth
+++ projects:xiaomi-flora [2020/02/12 16:16] (current) – emeryth
@@ Line 1: / Line 1: @@
+{{template>:template:project
+ | name=xiaomi-flora
+ | status=completed
+ | founder=[[user>emeryth]]
+ | repo=
+}}
 ====== Xiaomi Flora Plant Monitor teardown and analysis ======
@@ Line 107: / Line 114: @@
 print "Soil fertility:",fertility,"uS/cm"
 </code>
+==== Historical data ====
+The device stores historical data when not connected that can be later synchronized.
+I have not figured it out yet, but looking at the dumps it seems to work by writing an address to handle 0x003e and the reading data from handle 0x003c.
 ===== Firmware hacking =====
@@ Line 112: / Line 126: @@
 I have no interest in changing the firmware, since you can already get all data you need from the original firmware.
-But if you really want to know, the device supports OTA firmware update and there is a header with SWD on the PCB, although I was unable to connect with the cpu using OpenOCD.
+But if you really want to know, the device supports OTA firmware update and there is a header with SWD on the PCB, although I was unable to connect to the cpu using OpenOCD.