User Tools

Site Tools


developersguide:driverprogramming

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
developersguide:driverprogramming [2022/02/07 10:41]
dcvmoole Rearrange order of instructions (suggestion by jinnjus)
developersguide:driverprogramming [2022/02/10 14:58]
stux add mknod /dev/time c 18 0
Line 302: Line 302:
 Finally, the //main()// function executes //​chardriver_task()//​ to let //​libchardriver//​ start processing user requests and invoke our driver callback functions. Finally, the //main()// function executes //​chardriver_task()//​ to let //​libchardriver//​ start processing user requests and invoke our driver callback functions.
  
-Now compile the program again using the same commands as in example 1, and start the driver with the **service(8)** command. We supply ''​-dev /​dev/​hello''​ to indicate that the newly started driver is responsible for the major device identified by /dev/hello - namely, major 17, which we picked earlier.+Now compile the program again using the same commands as in example 1, and start the driver with the **minix-service(8)** command. We supply ''​-dev /​dev/​hello''​ to indicate that the newly started driver is responsible for the major device identified by /dev/hello - namely, major 17, which we picked earlier.
  
 <code bash> <code bash>
-# service up /usr/sbin/hello -dev /dev/hello+minix-service up /service/hello -dev /dev/hello
 Hello, World! Hello, World!
 </​code>​ </​code>​
Line 323: Line 323:
 If you get the message above, the hello driver works!** :D ** If you get the message above, the hello driver works!** :D **
  
-Now let's try to restart the driver with the **service(8)** command to simulate a failure:+Now let's try to restart the driver with the **minix-service(8)** command to simulate a failure:
  
 <code bash> <code bash>
-# service refresh hello+minix-service refresh hello
 Hello, World! Hello, World!
 Hey, I've just been restarted! Hey, I've just been restarted!
Line 350: Line 350:
 #endif /* __HELLO_H */ #endif /* __HELLO_H */
 </​code>​ </​code>​
-Now recompile it and update the driver with the **service(8)** command:+Now recompile it and update the driver with the **minix-service(8)** command:
  
 <code bash> <code bash>
Line 356: Line 356:
 # make # make
 # make install # make install
-# service update /​service/​hello -state 1    # request an update state where no work is in progress (i.e. SEF_LU_STATE_WORK_FREE=1)+minix-service update /​service/​hello -state 1    # request an update state where no work is in progress (i.e. SEF_LU_STATE_WORK_FREE=1)
 Hello, New World! Hello, New World!
 Hey, I'm a new version! Hey, I'm a new version!
Line 441: Line 441:
 struct chardriver time_tab = struct chardriver time_tab =
 { {
-        ​*cdr_open = time_open,​ +        ​.cdr_open = time_open,​ 
-        ​*cdr_close = time_close,​ +        ​.cdr_close = time_close,​ 
-        ​*cdr_read = time_read,+        ​.cdr_read = time_read,
 }; };
  
Line 623: Line 623:
     install ​ /​service/​time     install ​ /​service/​time
     install ​ /​etc/​system.conf.d/​time     install ​ /​etc/​system.conf.d/​time
-# service up /​service/​time -dev /dev/time+mknod /dev/time c 18 0 
 +# minix-service up /​service/​time -dev /dev/time
 # cat /​dev/​time ​ # cat /​dev/​time ​
 2014-09-10 15:48:21 2014-09-10 15:48:21
developersguide/driverprogramming.txt · Last modified: 2022/02/10 14:58 by stux