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sjoshi30/Sensor-driver-and-SPI-driver-in-kernel-space
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/* Course : CSE 438 - Embedded Systems Programming * Assignment 3 : SPI Device Programming and Pulse Width Measurement * Team Member1 : Samruddhi Joshi ASUID : 1213364722 * Team Member2 : Varun Joshi ASUID : 1212953337 */ #INPUT FILES# spidev.c main.c sensor_driver.c Makefile #OUTPUT FILES# Output #PRE_REQUISITES# -------------------------------------------------------------------------------------------- #Download the zip file from GitHub repository and extract it to a local folder in your host #Ensure the usb serial cable is recognised, ethernet cable is connected, board is powered up and sd card boot image is inserted #Hardware Setup# -------------------------------------------------------------------------------------------- #Connect the Ultrasonic sensor Trigger - IO0 Echo - IO3 Vcc - 5V Gnd - Gnd #Connect the LED Matrix DIN - IO11 SCK - IO13 CS - IO12 Vcc - 5V Gnd - Gnd #Software Setup# -------------------------------------------------------------------------------------------- #SET UP PUTTY# #Check the ttyUSB number and enter same below sudo chmod 777 /dev/ttyUSB# #Give command -> sudo putty #Select serial and set serial line = /dev/ttyUSB# and baudrate(speed) = 115200 example : serial line = /dev/ttyUSB0 and baudrate(speed) = 115200 #Once putty terminal opens press enter->root #SET STATIC IP# #HOST #In terminal check device name by command ifconfig(eg-enp0s3) #Set static ip by command -> sudo ifconfig enp0s3 192.168.1.2 netmask 255.255.0.0 up #TARGET #In terminal check device name by command ifconfig(eg:enp0s20f6) #In putty terminal set static ip by command -> ifconfig enp0s20f6 192.168.1.5 netmask 255.255.0.0 up #COMPILE THE CODE AND EXECUTE THE BINARY# #On the host,navigate to the folder where you copied all the input files #To compile for Galileo board use command on terminal -> make TEST_TARGET=Galileo #TO EXECUTE ON HARDWARE# 1. Copy the binary file and module files created from host to the target through the command example : scp spidev.ko sensor_driver.ko output root@192.168.1.5:/home/root/spi 2. Remove the existing spidev.ko using 'rmmod spidev.ko' 3. Insert the copied modules 'insmod spidev.ko' 'insmod sensor_driver.ko' 4. Run the binary output by entering the command './output' #MAKE CLEAN - To clean the output files On host, enter command "make clean" on terminal to remove the output files #ANIMATION# --------------------------------------------------------------------------------- 1. Enable the thread 'Func_SPIPatternDisplay' As the distance increases between the sensor and the obstacle, different pattern i.e. among letters A-J is displayed. 2. Enable the thread 'Func_SPIDogDisplay' When the obstacle moves towards the sensor, the dog walks/runs right depending on the proximity to the sensor. When the obstacle moves away from the sensor, the dog walks/runs left depending on the proximity to the sensor. (Dog runs for distance < 35 cms) 3. Enable the thread 'Func_SPITestTransmit' The Pattern mentioned in the Sequence Buffer will be displayed with the delay mentioned.
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