diff options
Diffstat (limited to 'src/stm/ao_arch.h')
| -rw-r--r-- | src/stm/ao_arch.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/stm/ao_arch.h b/src/stm/ao_arch.h index ce3a22e2..dd9579f1 100644 --- a/src/stm/ao_arch.h +++ b/src/stm/ao_arch.h @@ -148,7 +148,30 @@ extern const uint16_t ao_serial_number; /* * For now, we're running at a weird frequency */ -#define STM_APB1 (16000000 * 6 / 4) + +#if AO_HSE +#define AO_PLLSRC AO_HSE +#else +#define AO_PLLSRC STM_HSI_FREQ +#endif + +#define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL) +#define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV) +#define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER) +#define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER) +#define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER) + +#if AO_APB1_PRESCALER == 1 +#define AO_TIM23467_CLK AO_PCLK1 +#else +#define AO_TIM23467_CLK (2 * AO_PCLK1) +#endif + +#if AO_APB2_PRESCALER == 1 +#define AO_TIM91011_CLK AO_PCLK2 +#else +#define AO_TIM91011_CLK (2 * AO_PCLK2) +#endif void ao_lcd_stm_init(void); |