From 28934408c113d446dd645fa9dfc75dcdcc739f55 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sat, 18 Feb 2023 15:27:39 -0800 Subject: [PATCH] samd21: Enable xosc AGC. Wait longer for xosc to start Hoping to avoid having some boards fail to start sometimes. Signed-off-by: Keith Packard --- src/samd21/ao_timer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/samd21/ao_timer.c b/src/samd21/ao_timer.c index 91d74b12..51a672ad 100644 --- a/src/samd21/ao_timer.c +++ b/src/samd21/ao_timer.c @@ -124,8 +124,8 @@ ao_clock_init(void) #ifdef AO_XOSC ao_enable_output(&samd21_port_b, 10, 1); /* Enable xosc (external xtal oscillator) */ - samd21_sysctrl.xosc = ((SAMD21_SYSCTRL_XOSC_STARTUP_8192 << SAMD21_SYSCTRL_XOSC_STARTUP) | - (0 << SAMD21_SYSCTRL_XOSC_AMPGC) | + samd21_sysctrl.xosc = ((SAMD21_SYSCTRL_XOSC_STARTUP_16384 << SAMD21_SYSCTRL_XOSC_STARTUP) | + (1 << SAMD21_SYSCTRL_XOSC_AMPGC) | (SAMD21_SYSCTRL_XOSC_GAIN_16MHz << SAMD21_SYSCTRL_XOSC_GAIN) | (0 << SAMD21_SYSCTRL_XOSC_ONDEMAND) | (1 << SAMD21_SYSCTRL_XOSC_RUNSTDBY) | -- 2.30.2