hal: Rename argument of hal_timerSetWakeup

- Reason: The old name `when` is misleadig, since it is time to wait
  and not a fixed moment in time. Changed it to `waitUs`.

JIRA: RTOS-530

hal/armv7a/imx6ull/timer.c

@@ -87,15 +87,16 @@ static time_t hal_timerGetCyc(void)
 }
 
 
-void hal_timerSetWakeup(u32 when)
+void hal_timerSetWakeup(u32 waitUs)
 {
 	spinlock_ctx_t sc;
 	u32 cyc;
 
-	if (!when)
-		++when;
+	if (waitUs == 0) {
+		++waitUs;
+	}
 
-	cyc = when * 66;
+	cyc = waitUs * 66;
 
 	hal_spinlockSet(&timer_common.lock, &sc);
 	*(timer_common.epit1 + epit_lr) = cyc;

hal/armv7a/zynq7000/timer.c

@@ -90,7 +90,7 @@ static time_t hal_timerGetCyc(void)
 }
 
 
-void hal_timerSetWakeup(u32 when)
+void hal_timerSetWakeup(u32 waitUs)
 {
 }
 

hal/armv7m/imxrt/timer.c

@@ -85,17 +85,17 @@ static time_t hal_timerGetCyc(void)
 }
 
 
-void hal_timerSetWakeup(u32 when)
+void hal_timerSetWakeup(u32 waitUs)
 {
 	spinlock_ctx_t sc;
 
-	if (when > timer_common.interval) {
-		when = timer_common.interval;
+	if (waitUs > timer_common.interval) {
+		waitUs = timer_common.interval;
 	}
 
 	hal_spinlockSet(&timer_common.sp, &sc);
 	/* Modulo handled implicitly */
-	*(timer_common.base + gpt_ocr2) = hal_timerUs2Cyc(when) + *(timer_common.base + gpt_cnt);
+	*(timer_common.base + gpt_ocr2) = hal_timerUs2Cyc(waitUs) + *(timer_common.base + gpt_cnt);
 	*(timer_common.base + gpt_sr) |= 1 << 1;
 	hal_cpuDataMemoryBarrier();
 	hal_spinlockClear(&timer_common.sp, &sc);

hal/armv7m/stm32/l4/timer.c

@@ -192,7 +192,7 @@ void timer_setAlarm(time_t us)
 }
 
 
-void hal_timerSetWakeup(u32 when)
+void hal_timerSetWakeup(u32 waitUs)
 {
 }
 

hal/armv8m/nrf/91/timer.c

@@ -68,7 +68,7 @@ static int timer_irqHandler(unsigned int n, cpu_context_t *ctx, void *arg)
 /* Interface functions */
 
 
-void hal_timerSetWakeup(u32 when)
+void hal_timerSetWakeup(u32 waitUs)
 {
 }
 

hal/ia32/timer.c

@@ -39,7 +39,7 @@ static int timer_irqHandler(unsigned int n, cpu_context_t *ctx, void *arg)
 	return 0;
 }
 
-void hal_timerSetWakeup(u32 when)
+void hal_timerSetWakeup(u32 waitUs)
 {
 }
 

hal/riscv64/timer.c

@@ -41,7 +41,7 @@ static int timer_irqHandler(unsigned int n, cpu_context_t *ctx, void *arg)
 }
 
 
-void hal_timerSetWakeup(u32 when)
+void hal_timerSetWakeup(u32 waitUs)
 {
 }
 

hal/sparcv8leon3/gr716/timer.c

@@ -131,7 +131,7 @@ time_t hal_timerGetUs(void)
 }
 
 
-void hal_timerSetWakeup(u32 when)
+void hal_timerSetWakeup(u32 waitUs)
 {
 }
 

hal/timer.h

@@ -23,7 +23,7 @@
 extern time_t hal_timerGetUs(void);
 
 
-extern void hal_timerSetWakeup(u32 when);
+extern void hal_timerSetWakeup(u32 waitUs);
 
 
 extern int hal_timerRegister(int (*f)(unsigned int, cpu_context_t *, void *), void *data, intr_handler_t *h);