9  * 2018-08-02     Tanek        split run and sleep modes, support custom mode
70  * This function will enter corresponding power mode.
83     /* check each run mode, and decide to swithc to run mode or sleep mode */  in rt_pm_enter()
100             /* The current mode is run mode, no need to check sleep mode */  in rt_pm_enter()
108     /* check each sleep mode to decide which mode can system sleep. */  in rt_pm_enter()
115             /* run mode to sleep mode */  in rt_pm_enter()
118                 /* exit run mode */  in rt_pm_enter()
122             /* set current power mode */  in rt_pm_enter()
142                         /* limit the minimum time to enter timer sleep mode */  in rt_pm_enter()
154             /* exit from low power mode */  in rt_pm_enter()
166  * This function exits from sleep mode.
184             /* sleep mode with timer */  in rt_pm_exit()
202             /* exit from sleep mode */  in rt_pm_exit()
214  * stall in corresponding power mode.
216  * @param parameter the parameter of run mode or sleep mode
218 void rt_pm_request(rt_ubase_t mode)  in rt_pm_request()  argument
225     if (mode > PM_MODE_MAX)  in rt_pm_request()
231     pm->modes[mode] ++;  in rt_pm_request()
233     /* request higter mode with a smaller mode value*/  in rt_pm_request()
234     if (mode < pm->current_mode)  in rt_pm_request()
236         /* the old current mode is RUN mode, need to all pm->ops->exit(),  in rt_pm_request()
250         /* update current mode */  in rt_pm_request()
251         pm->current_mode = mode;  in rt_pm_request()
253         /* current mode is higher run mode */  in rt_pm_request()
254         if (mode < PM_SLEEP_MODE_START)  in rt_pm_request()
256             /* enter run mode */  in rt_pm_request()
266             /* do nothing when request higher sleep mode,  in rt_pm_request()
267              * and swithc to new sleep mode in rt_pm_enter()  in rt_pm_request()
277  * of corresponding power mode.
279  * @param parameter the parameter of run mode or sleep mode
282 void rt_pm_release(rt_ubase_t mode)  in rt_pm_release()  argument
289     if (mode > PM_MODE_MAX)  in rt_pm_release()
294     if (pm->modes[mode] > 0)  in rt_pm_release()
295         pm->modes[mode] --;  in rt_pm_release()
382         int mode;  in _rt_pm_device_read()  local
384         mode = pm->modes[pos];  in _rt_pm_device_read()
385         length = rt_snprintf(buffer, size, "%d", mode);  in _rt_pm_device_read()
419     rt_uint32_t mode;  in _rt_pm_device_control()  local
424         mode = (rt_uint32_t)args;  in _rt_pm_device_control()
425         rt_pm_request(mode);  in _rt_pm_device_control()
429         mode = (rt_uint32_t)args;  in _rt_pm_device_control()
430         rt_pm_release(mode);  in _rt_pm_device_control()
441  * @param timer_mask indicates which mode has timer feature.
485     /* request in default running mode */  in rt_system_pm_init()
489     /* request in default sleep mode */  in rt_system_pm_init()
493     /* must hold on deep shutdown mode */  in rt_system_pm_init()
502     int mode = 0;  in rt_pm_release_mode()  local
505         mode = atoi(argv[1]);  in rt_pm_release_mode()
508     rt_pm_release(mode);  in rt_pm_release_mode()
510 MSH_CMD_EXPORT_ALIAS(rt_pm_release_mode, pm_release, release power management mode);
514     int mode = 0;  in rt_pm_request_mode()  local
517         mode = atoi(argv[1]);  in rt_pm_request_mode()
520     rt_pm_request(mode);  in rt_pm_request_mode()
522 MSH_CMD_EXPORT_ALIAS(rt_pm_request_mode, pm_request, request power management mode);
532     rt_kprintf("| Power Management Mode | Counter | Timer |\n");  in rt_pm_dump_status()
544     rt_kprintf("pm current mode: %s\n", pm_str[pm->current_mode]);  in rt_pm_dump_status()