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+==============================================================
+Tools and Firmware for the Cortex M0 Companion Microcontroller
+==============================================================
+
+- ``cortex-m0.bin`` - firmware for the companion mcu
+- ``cortex-m0.sh`` - tool to reset and flash the companion mcu
+
+cortex-m0.sh
+------------
+
+Usage:
+######
+
+--reset resets the companion mcu
+--dfu enables the dfu mode
+--disable enables the mcu reset line to keep it in reset
+--flash firmware flash the mcu with given firmware
+
+cortex-m0.bin
+-------------
+
+Features:
+#########
+
+- emulates an TI AMC6821 fan controller on I2C address 0x18
+- emulates an Interil ISL1208 RTC on I2C address 0x6f
+- external watchdog form the Qseven watchdog pins