all i2c: changed PIOS_I2C_CheckClear function to do proper bus locking
f1 i2c: fixed deadlock when i2c busy and not using FreeRTOS
quanton: use blinking error codes on startup
FlyingF3: use blinking error codes on startup
quanton: removed some startup delays
i2c: set pios_i2c_adapter.busy to be volatile to prevent deadlock
i2c: removed PIOS_IRQ_Disable() around i2c_adapter->busy = false;
i2c: use pios_i2c_adapter.busy consistently with integer constans only
FlyingF3: added watchdog reset to panic blinking code
quanton: added watchdog reset to panic blinking code
Merge pull request #302 from lilvinz/blinking_errors

Blinking startup errors