Controlling Critical Things: A Semi-Realistic Project

• The Thing To Control
• Firmware: Initial Version (Driven By Interrupts)
• Firmware: Fixing Interrupt Concurrency Bugs (Spinlock)
• Hardware: CAN Controller JF0815
• Firmware: Emit CAN “State Change Notification” Frames
• Device Driver: CAN Controller JF0815
• Firmware: Not So Well Anymore
• Firmware: Dedicated Thread For CAN Transmission
• Firmware: Dedicated Thread For Timer Tick
• Firmware: Dedicated Thread For “Sensor Burning” Event
• Firmware: Dedicated Thread For “Operator Button” Event
• Firmware: Collapse Three Threads Into One (Eventloop)