diff options
Diffstat (limited to 'nuttx/configs/shenzhou')
| -rw-r--r-- | nuttx/configs/shenzhou/include/board.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/nuttx/configs/shenzhou/include/board.h b/nuttx/configs/shenzhou/include/board.h index c105d4ab5..2897ac219 100644 --- a/nuttx/configs/shenzhou/include/board.h +++ b/nuttx/configs/shenzhou/include/board.h @@ -55,10 +55,19 @@ /* Clocking *************************************************************************/ -/* On-board crystal frequency is 25MHz (HSE) */ +/* HSI - 8 MHz RC factory-trimmed + * LSI - 40 KHz RC (30-60KHz, uncalibrated) + * HSE - On-board crystal frequency is 25MHz + * LSE - 32.768 kHz + */ #define STM32_BOARD_XTAL 25000000ul +#define STM32_HSI_FREQUENCY 8000000ul +#define STM32_LSI_FREQUENCY 40000 +#define STM32_HSE_FREQUENCY STM32_BOARD_XTAL +#define STM32_LSE_FREQUENCY 32768 + /* PLL ouput is 72MHz */ #define STM32_PLL_PREDIV2 RCC_CFGR2_PREDIV2d5 /* 25MHz / 5 => 5MHz */ |