TOPIC: EMBEDDED SYSTEM

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Question 7. (15 points) Using ARM32 instruction set to write a subroutine to print r2 register's content in hexadecimal. (other instructions will get 0 score!) Every assemble statement need comment Question 8. (10 points). FreeRTOS interrupt provides an interrupt safe version of queue API to read and write data from queues using ISR. These are the two API functions: xQueueSendToBackFromISR() xQueueReceiveFromISR() Explain these APIs function, and explain what's meaning of "interrupt safe