Hi Ali,
Are you having problems with semaphores?
Mike
On May 27, 2009, at 4:01 PM, Ali Aqel wrote:
> Has anyone used these yet? I'm trying to create a blocking
> ConfigStorage implemenation using TinyOS semaphores and I'm doing a
> reset in initialization, acquire during the call of the write, and
> release after a write complete.
>
> Here is my code:
>
> #include "Storage.h"
> #include "/opt/tinyos-2.x/tos/lib/tosthreads/types/semaphore.h"
>
> module SemaphoreConfigStorageC
> {
> uses
> {
> interface Semaphore;
> interface ConfigStorage;
> interface Malloc;
> interface Leds;
> }
>
> provides interface SemaphoreConfigStorage;
> }
>
> implementation
> {
> semaphore_t* flashSem;
>
> command error_t SemaphoreConfigStorage.initSemaphore()
> {
> flashSem = (semaphore_t*)call
> Malloc.malloc(sizeof(semaphore_t));
> call Semaphore.reset(flashSem,(uint8_t)1);
> return SUCCESS;
> }
> command error_t SemaphoreConfigStorage.read(storage_addr_t addr,
> void* buf, storage_len_t len)
> {
> error_t err;
> err = call Semaphore.acquire(flashSem);
> return call ConfigStorage.read(addr,buf,len);
>
> }
>
> event void ConfigStorage.readDone(storage_addr_t addr, void*
> buf, storage_len_t len, error_t error)
> {
> error_t err;
>
> err = call Semaphore.release(flashSem);
> //call Leds.led0Off();
> //call Leds.led1Off();
> //call Leds.led2Off();
> signal SemaphoreConfigStorage.readDone(addr,buf,len,error);
> }
>
> command error_t SemaphoreConfigStorage.write(storage_addr_t
> addr, void* buf, storage_len_t len)
> {
> error_t err;
> //call Leds.led0On();
> //call Leds.led1On();
> //call Leds.led2On();
> err = call Semaphore.acquire(flashSem);
> return call ConfigStorage.write(addr,buf,len);
> }
>
> event void ConfigStorage.writeDone(storage_addr_t addr, void*
> buf, storage_len_t len, error_t error)
> {
> error_t err;
>
>
> err = call Semaphore.release(flashSem);
> //call Leds.led0Off();
> //call Leds.led1Off();
> //call Leds.led2Off();
> signal SemaphoreConfigStorage.writeDone(addr,buf,len,error);
> }
>
> command error_t SemaphoreConfigStorage.commit()
> {
> error_t err;
> //call Leds.led0On();
> //call Leds.led1On();
> //call Leds.led2On();
> err = call Semaphore.acquire(flashSem);
> return call ConfigStorage.commit();
> }
>
> event void ConfigStorage.commitDone(error_t error)
> {
> error_t err;
> err = call Semaphore.release(flashSem);
> //call Leds.led0Off();
> //call Leds.led1Off();
> //call Leds.led2Off();
> signal SemaphoreConfigStorage.commitDone(error);
> }
>
> command storage_len_t SemaphoreConfigStorage.getSize()
> {
> return call ConfigStorage.getSize();
> }
>
> command bool SemaphoreConfigStorage.valid()
> {
> return call ConfigStorage.valid();
> }
>
> }
> _______________________________________________
> Tinyos-help mailing list
> [email protected]
> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
_______________________________________________
Tinyos-help mailing list
[email protected]
https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
