From 42fa005bf70e81b4fc249b980670ccd87fed88cc Mon Sep 17 00:00:00 2001 From: KonstantinKondrashov Date: Mon, 19 Jun 2023 21:57:02 +0800 Subject: [PATCH] freertos: Fix Systick stuck when systimer was not reset Relates to OTA update for C3 chips from IDF version 4.3 to v5.0 and above --- components/freertos/port_systick.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/components/freertos/port_systick.c b/components/freertos/port_systick.c index 789a232090..ed9bd6c37c 100644 --- a/components/freertos/port_systick.c +++ b/components/freertos/port_systick.c @@ -78,7 +78,10 @@ void vSystimerSetup(void) systimer_ll_apply_counter_value(systimer_hal.dev, SYSTIMER_COUNTER_OS_TICK); for (cpuid = 0; cpuid < SOC_CPU_CORES_NUM; cpuid++) { + // Set stall option and alarm mode to default state. Below they will be set to a required state. systimer_hal_counter_can_stall_by_cpu(&systimer_hal, SYSTIMER_COUNTER_OS_TICK, cpuid, false); + uint32_t alarm_id = SYSTIMER_ALARM_OS_TICK_CORE0 + cpuid; + systimer_hal_select_alarm_mode(&systimer_hal, alarm_id, SYSTIMER_ALARM_MODE_ONESHOT); } for (cpuid = 0; cpuid < portNUM_PROCESSORS; ++cpuid) {