Question: Given the following table: Problem 1 Table Priority Signal Description Size [bits] J [ms] Period [ms] P/S D [ms] From Bits/ message Bits/ second 1

Given the following table:

Problem 1 Table
Priority Signal Description Size [bits] J [ms] Period [ms] P/S D [ms] From Bits/ message Bits/ second
1 A 8

0.1

50 P 50 Driver
2 B 16 0.1 50 P 5 Brakes
3 C 8 0.1 1000 P 1000 Trans
4 D 4 0.1 100 P 100 Battery
5 E 1 0.3 20 P 20 Brakes
6 F 8 0.2 5 P 5 Driver
7 G 16 0.6 10 P 10 Battery
8 H 64 0.2 100 P 100 Trans
9 I 8 0.4 100 P 5 Brakes
10 J 9 1.0 1000 P 1000 Battery

A. Assign priorities (and fill in the table) to the individual signals (messages) using the deadline monotonic analysis. Explain your answer.

B. Compute (and fill in the table) the number of bits per CAN message and the number of bits/second. Explain your answer.

C. Given your priority assignment, what is the blocking time of signal 5 (description E)? Explain your answer.

D. Calculate the worst-case interference time for signal 5 (description E).

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