From 979a1b8d80189e56745316da3de9288ee32e102c Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 30 Apr 2017 17:38:21 -0700 Subject: [PATCH] altos/telegps-v2.0: Set CPU clock to 48MHz instread of 96MHz Turns out the CPU doesn't run well at that speed. Who would have guessed? Signed-off-by: Keith Packard --- src/telegps-v2.0/ao_pins.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/telegps-v2.0/ao_pins.h b/src/telegps-v2.0/ao_pins.h index beef86c7..37a5fa39 100644 --- a/src/telegps-v2.0/ao_pins.h +++ b/src/telegps-v2.0/ao_pins.h @@ -35,8 +35,9 @@ #define AO_HSE 32000000 #define AO_RCC_CFGR_PLLMUL STM_RCC_CFGR_PLLMUL_3 +#define AO_RCC_CFGR2_PLLDIV STM_RCC_CFGR2_PREDIV_2 #define AO_PLLMUL 3 -#define AO_PLLDIV 1 +#define AO_PLLDIV 2 /* HCLK = 48MHz */ #define AO_AHB_PRESCALER 1 @@ -46,8 +47,6 @@ #define AO_APB_PRESCALER 1 #define AO_RCC_CFGR_PPRE_DIV STM_RCC_CFGR_PPRE_DIV_1 -#define AO_RCC_CFGR2_PLLDIV STM_RCC_CFGR2_PREDIV_1 - #define HAS_USB 1 #define AO_USB_DIRECTIO 0 #define AO_PA11_PA12_RMP 1 -- 2.30.2