Lines Matching +full:one +full:- +full:timer +full:- +full:only

8  * SPDX-License-Identifier: Apache-2.0
15  * @brief SiLabs Gecko BURTC-based sys_clock driver
22 #include <zephyr/drivers/timer/system_timer.h>
36 /* Maximum time interval between timer interrupts (in hw_cycles) */
55  * should write hw_cycles timer clock frequency upon init
71 /* Set to true when timer is initialized */
83 	/* NOTE: this is the only place where g_last_count is modified,  in burtc_isr()
84 	 * so we don't need to do make the whole read-and-modify atomic, just  in burtc_isr()
90 	uint32_t unannounced = (curr - prev) / g_cyc_per_tick;  in burtc_isr()
99 		 * announce the very next tick - in that case we skip one and  in burtc_isr()
100 		 * announce the one after it instead  in burtc_isr()
102 		if ((next - curr) < MIN_DELAY_CYC) {  in burtc_isr()
122 	 * beginning from the closest upcoming one:  in sys_clock_set_timeout()
123 	 * 0 - announce upcoming tick itself  in sys_clock_set_timeout()
124 	 * 1 - skip upcoming one, but announce the one after it, etc.  in sys_clock_set_timeout()
127 	ticks = CLAMP(ticks - 1, 0, g_max_timeout_ticks);  in sys_clock_set_timeout()
135 	uint32_t unannounced = (curr - prev) / g_cyc_per_tick;  in sys_clock_set_timeout()
137 	/* Which tick to announce (counting from the last announced one) */  in sys_clock_set_timeout()
150 	 * the very next tick - in that case we skip one and announce the one  in sys_clock_set_timeout()
153 	if ((next - curr) < MIN_DELAY_CYC) {  in sys_clock_set_timeout()
166 		return (BURTC_CounterGet() - g_last_count) / g_cyc_per_tick;  in sys_clock_elapsed()
173 	 * a value of some 32-bit hw_cycles counter which counts with  in sys_clock_cycle_get_32()
200 		"%u cycle-long tick is too short to be scheduled "  in burtc_init()
202 		"%d and timer frequency is %u",  in burtc_init()
220 	/* Start the timer and announce 1 kernel tick */  in burtc_init()
225 	BURTC->CNT = 0;  in burtc_init()