91 lines
1.5 KiB
C
91 lines
1.5 KiB
C
#include <rthw.h>
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#include <rtthread.h>
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#include <stdint.h>
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#include "sys_rtos.h"
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#include "rtos_pub.h"
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#include "power_save_pub.h"
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extern void WFI(void);
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extern UINT32 mcu_power_save(UINT32 sleep_tick);
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extern void rt_user_idle_hook(void);
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/*
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0: normal
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1: cpu sleep. -4mA
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2: RF sleep. 27mA
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3: RF+CPU sleep. 7mA
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4: standby to reset. 7uA
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*/
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static char log_print = 0;
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static void idle_hook(void)
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{
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rt_tick_t timeout_tick, delta_tick=0;
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rt_enter_critical();
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GLOBAL_INT_DECLARATION();
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GLOBAL_INT_DISABLE();
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/* get next os tick */
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timeout_tick = rt_timer_next_timeout_tick();
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if (timeout_tick != RT_TICK_MAX)
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{
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timeout_tick -= rt_tick_get();
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}
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#if CFG_USE_MCU_PS
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/* sleep cpu */
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delta_tick = mcu_power_save(timeout_tick);
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if(log_print)
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rt_kprintf("s:%d, d:%d\n", timeout_tick, delta_tick);
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#else
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WFI();
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#endif
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if (delta_tick)
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{
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/* adjust OS tick */
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rt_tick_set(rt_tick_get() + delta_tick);
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GLOBAL_INT_RESTORE();
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/* check system timer */
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rt_timer_check();
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}
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else
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{
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GLOBAL_INT_RESTORE();
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}
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rt_exit_critical();
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rt_user_idle_hook();
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}
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static int drv_pm_init(void)
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{
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rt_kprintf("%s\n", __FUNCTION__);
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rt_thread_idle_sethook(idle_hook);
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return 0;
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}
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int set_log(int argc, char *argv[])
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{
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char val;
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val = atoi(argv[1]);
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if(val == 1) {
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log_print = 1;
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} else {
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log_print = 0;
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}
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return 0;
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}
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MSH_CMD_EXPORT(set_log, set_log on or off);
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INIT_DEVICE_EXPORT(drv_pm_init);
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