diff options
| -rw-r--r-- | wirish/stm32f1/boards_setup.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/wirish/stm32f1/boards_setup.cpp b/wirish/stm32f1/boards_setup.cpp index 8e16009..74c0e79 100644 --- a/wirish/stm32f1/boards_setup.cpp +++ b/wirish/stm32f1/boards_setup.cpp @@ -42,13 +42,22 @@ #include <board/board.h> +// Allow boards to provide a PLL multiplier. This is useful for +// e.g. STM32F100 value line MCUs, which use slower multipliers. +// (We're leaving the default to RCC_PLLMUL_9 for now, since that +// works for F103 performance line MCUs, which is all that LeafLabs +// currently officially supports). +#ifndef BOARD_RCC_PLLMUL +#define BOARD_RCC_PLLMUL RCC_PLLMUL_9 +#endif + /* FIXME: Reintroduce all "#if 0"'ed blocks once libmaple provides * these definitions again. */ namespace wirish { namespace priv { - static stm32f1_rcc_pll_data pll_data = {RCC_PLLMUL_9}; + static stm32f1_rcc_pll_data pll_data = {BOARD_RCC_PLLMUL}; rcc_pll_cfg w_board_pll_cfg = {RCC_PLLSRC_HSE, &pll_data}; adc_prescaler w_adc_pre = ADC_PRE_PCLK2_DIV_6; adc_smp_rate w_adc_smp = ADC_SMPR_55_5; |