/* Main CLI processing thread
*
* Waits to receive a command buffer pointer from an input collector, and
* then processes. Note that it must cleanup the buffer when done with it.
*
* Input collectors handle their own lexical analysis and must pass complete
* command lines to CLI.
*/
static void cli_main(os_thread_arg_t data)
{
os_mutex_get(&cli_mutex, OS_WAIT_FOREVER);
while (1) {
int ret;
char *msg;
msg = NULL;
ret = os_queue_recv(&cli.input_queue, &msg, RX_WAIT);
if (ret != WM_SUCCESS) {
if (ret == WM_E_BADF) {
wmprintf("Error: CLI fatal queue error."
"\r\n");
/* Special case fatal errors. Shouldn't happen. If it does
* it means CLI is fatally corrupted, so end the thread.
*/
return;
}
/* A number of other non-fatal conditions can cause us to get here]
* without a message to process, if so, just go back and wait.
*/
continue;
}
/* HALT message indicates that this thread will be deleted
* shortly. Hence this function need to do necessary actions
* required before getting deleted.
* HALT message is not dynamically allocated,
* hence msg doesn't need to be freed up in that case.
*/
if (msg != NULL) {
if (strcmp(msg, HALT_MSG) == 0)
break;
ret = handle_input(msg);
if (ret == 1)
print_bad_command(msg);
else if (ret == 2)
wmprintf("syntax error\r\n");
wmprintf(PROMPT);
/* done with it, clean up the message (we own it) */
cli_mem_free(&msg);
}
}
os_mutex_put(&cli_mutex);
os_thread_self_complete(NULL);
}
/* This task configures Evrythng client and connects to the Evrythng cloud */
static void evrythng_task()
{
psm_handle_t handle;
int rc;
if ((rc = psm_open(&handle, "evrythng")) != 0)
{
wmprintf("psm_open failed with: %d (Is the module name registered?)\n\r", rc);
goto exit;
}
char api_key[128];
if (psm_get(&handle, "api_key", api_key, 128) == 0)
{
wmprintf("api_key: %s\n\r", api_key);
}
else
{
wmprintf("api_key doesn't exist\n\r");
goto exit;
}
char thng_id_buf[64];
if (psm_get(&handle, "thng_id", thng_id_buf, 64) == 0)
{
if (thng_id != NULL)
{
os_mem_free(thng_id);
}
thng_id = (char*)os_mem_alloc((strlen(thng_id_buf)+1)*sizeof(char));
strcpy(thng_id, thng_id_buf);
wmprintf("thng_id: %s\n\r", thng_id);
}
else
{
wmprintf("thng_id doesn't exist\n\r");
goto exit;
}
char url_buf[64];
if (psm_get(&handle, "url", url_buf, 64) == 0)
{
wmprintf("Evrythng URL: %s\n\r", url_buf);
}
else
{
wmprintf("Evrythng URL doesn't exist\n\r");
goto exit;
}
psm_close(&handle);
EvrythngInitHandle(&evt_handle);
EvrythngSetUrl(evt_handle, url_buf);
EvrythngSetKey(evt_handle, api_key);
EvrythngSetLogCallback(evt_handle, log_callback);
EvrythngSetConnectionCallbacks(evt_handle, on_connection_lost, on_connection_restored);
while (EvrythngConnect(evt_handle) != EVRYTHNG_SUCCESS)
{
wmprintf("Retry\n\r");
os_thread_sleep(os_msec_to_ticks(5000));
}
wmprintf("Connected\n\r");
os_semaphore_create_counting(&button1_sem, "button1_sem", 1000, 0);
os_semaphore_create_counting(&button2_sem, "button1_sem", 1000, 0);
EvrythngSubThngAction(evt_handle, thng_id, "_led1", 0, action_led_callback);
EvrythngSubThngAction(evt_handle, thng_id, "_led2", 0, action_led_callback);
os_thread_create(&button1_thread, "button1_task", button_task, (void*)button_1, &button_stack, OS_PRIO_3);
os_thread_create(&button2_thread, "button2_task", button_task, (void*)button_2, &button_stack, OS_PRIO_3);
exit:
os_thread_self_complete(0);
}