hw/mcu/dialog: Add API to get expected wakeup time

andrzej-kaczmarek · andrzej-kaczmarek · commit 1e322118d8ea · 2023-08-01T15:51:27.000+02:00
diff --git a/hw/mcu/dialog/da1469x/include/mcu/da1469x_sleep.h b/hw/mcu/dialog/da1469x/include/mcu/da1469x_sleep.h
@@ -33,6 +33,7 @@ struct da1469x_sleep_cb {
 };
 
 void da1469x_sleep_cb_register(struct da1469x_sleep_cb *cb);
+uint32_t da1469x_sleep_wakeup_time_us_get(void);
 
 #ifdef __cplusplus
 }
diff --git a/hw/mcu/dialog/da1469x/src/da1469x_sleep.c b/hw/mcu/dialog/da1469x/src/da1469x_sleep.c
@@ -167,3 +167,12 @@ da1469x_sleep_cb_register(struct da1469x_sleep_cb *cb)
 {
 }
 #endif
+
+uint32_t
+da1469x_sleep_wakeup_time_us_get(void)
+{
+    /* XXX assume fast wakeup, i.e. up to 12 RC32K cycles + time required for
+     *     XTAL32M to settle */
+    return 12 * 1000000 / da1469x_clock_lp_rc32k_freq_get() +
+           MYNEWT_VAL(MCU_CLOCK_XTAL32M_SETTLE_TIME_US);
+}

Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,7 @@ struct da1469x_sleep_cb {`
`33`	`33`	`};`
`34`	`34`
`35`	`35`	`void da1469x_sleep_cb_register(struct da1469x_sleep_cb *cb);`
	`36`	`+uint32_t da1469x_sleep_wakeup_time_us_get(void);`
`36`	`37`
`37`	`38`	`#ifdef __cplusplus`
`38`	`39`	`}`
Original file line number	Diff line number	Diff line change
`@@ -167,3 +167,12 @@ da1469x_sleep_cb_register(struct da1469x_sleep_cb *cb)`
`167`	`167`	`{`
`168`	`168`	`}`
`169`	`169`	`#endif`
	`170`	`+`
	`171`	`+uint32_t`
	`172`	`+da1469x_sleep_wakeup_time_us_get(void)`
	`173`	`+{`
	`174`	`+ /* XXX assume fast wakeup, i.e. up to 12 RC32K cycles + time required for`
	`175`	`+ * XTAL32M to settle */`
	`176`	`+ return 12 * 1000000 / da1469x_clock_lp_rc32k_freq_get() +`
	`177`	`+ MYNEWT_VAL(MCU_CLOCK_XTAL32M_SETTLE_TIME_US);`
	`178`	`+}`