Debugging Embedded Systems

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Debugging Embedded Systems – Typical Scenario Mi interface Remote Serial Protocol (TCP connection) JTAG/SWD Protocol USB/Ethernet 22
GDB Remote Serial Protocol GDB Remote Serial Protocol allows GDB to connect to any target remotely. GDB implements the RSP client side, while the target side needs to implement the RSP Server (for example; GDB Server) Communication channel for RSP can be a Serial or TCP/IP connection. RSP Packet format: Packet Acknowledgement Interrupt Each packet should be acknowledged with a single character: ‘+’ to indicate satisfactory reply ‘-’ to indicate failure and request retransmission GDB can interrupt the server transmitting character 0x03 between packets. GDB Server can ignore the interrupts. 23
Page 1 and 2: Debugging Embedded Systems Sergio S
Page 3 and 4: Debugging Embedded Systems What is
Page 5 and 6: Debuggers vs Front-Ends Debuggers:
Page 7 and 8: DDD Screenshot 7
Page 9 and 10: Insight Screenshot 9
Page 11 and 12: Debugger: Main Operations (Cont.) D
Page 13 and 14: GDB/MI Interface Command Line Inter
Page 15 and 16: GDB/MI Interface (Cont.) GDB/MI Out
Page 21: GDB/MI Interface (Cont.) GDB/MI Exa
Page 25 and 26: GDB Remote Serial Protocol (Cont.)
Page 27 and 28: GDB Remote Serial Protocol (Cont.)
Page 29 and 30: Debugging Embedded Systems JTAG Ove
Page 31 and 32: IEEE 1149.1 (JTAG) Overview Origina
Page 33 and 34: JTAG TAP Controller State-Machine 3
Page 35 and 36: JTAG Shortcomings Not specifically
Page 37 and 38: ARM CoreSight Debug Architecture Ov
Page 39 and 40: Debug Access Port components AP (Ac
Page 41 and 42: Debug Access Port accesses descript
Page 43 and 44: Breakpoints: Hardware vs Software H
Page 45 and 46: Debugging Embedded Systems - Typica
Page 47 and 48: SWD Protocol - Header fields Header
Page 49 and 50: SWD Protocol - Timing relationship
Page 51 and 52: SWD - Transfer examples WAIT respon
Page 53 and 54: Connector Types - ETM Trace (legacy
Page 55 and 56: Connector Types - Cortex Debug+ETM
Page 57: Debugging Embedded Systems Debug Se

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